vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

This commit is contained in:
Gitea Mirror Bot
2026-08-22 00:10:33 +08:00
commit f7f077da11
6933 changed files with 2335208 additions and 0 deletions
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misc/java/src/cpp/objdetect_converters.hpp
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{
"ManualFuncs" : {
"QRCodeEncoder" : {
"QRCodeEncoder" : {
"j_code" : [
"\n",
"/** Generates QR code from input string.",
"@param encoded_info Input bytes to encode.",
"@param qrcode Generated QR code.",
"*/",
"public void encode(byte[] encoded_info, Mat qrcode) {",
" encode_1(nativeObj, encoded_info, qrcode.nativeObj);",
"}",
"\n"
],
"jn_code": [
"\n",
"private static native void encode_1(long nativeObj, byte[] encoded_info, long qrcode_nativeObj);",
"\n"
],
"cpp_code": [
"//",
"// void cv::QRCodeEncoder::encode(String encoded_info, Mat& qrcode)",
"//",
"\n",
"JNIEXPORT void JNICALL Java_org_opencv_objdetect_QRCodeEncoder_encode_11 (JNIEnv*, jclass, jlong, jbyteArray, jlong);",
"\n",
"JNIEXPORT void JNICALL Java_org_opencv_objdetect_QRCodeEncoder_encode_11",
"(JNIEnv* env, jclass , jlong self, jbyteArray encoded_info, jlong qrcode_nativeObj)",
"{",
"",
" static const char method_name[] = \"objdetect::encode_11()\";",
" try {",
" LOGD(\"%s\", method_name);",
" Ptr<cv::QRCodeEncoder>* me = (Ptr<cv::QRCodeEncoder>*) self; //TODO: check for NULL",
" const char* n_encoded_info = reinterpret_cast<char*>(env->GetByteArrayElements(encoded_info, NULL));",
" const jsize n_encoded_info_size = env->GetArrayLength(encoded_info);",
" Mat& qrcode = *((Mat*)qrcode_nativeObj);",
" (*me)->encode( std::string(n_encoded_info, n_encoded_info_size), qrcode );",
" } catch(const std::exception &e) {",
" throwJavaException(env, &e, method_name);",
" } catch (...) {",
" throwJavaException(env, 0, method_name);",
" }",
"}",
"\n"
]
}
}
},
"type_dict": {
"NativeByteArray": {
"j_type" : "byte[]",
"jn_type": "byte[]",
"jni_type": "jbyteArray",
"jni_name": "n_%(n)s",
"jni_var": "jbyteArray n_%(n)s = env->NewByteArray(static_cast<jsize>(%(n)s.size())); env->SetByteArrayRegion(n_%(n)s, 0, static_cast<jsize>(%(n)s.size()), reinterpret_cast<const jbyte*>(%(n)s.c_str()));",
"cast_from": "std::string"
},
"vector_NativeByteArray": {
"j_type": "List<byte[]>",
"jn_type": "List<byte[]>",
"jni_type": "jobject",
"jni_var": "std::vector< std::string > %(n)s",
"suffix": "Ljava_util_List",
"v_type": "vector_NativeByteArray"
}
},
"func_arg_fix" : {
"findChessboardCorners" : { "corners" : {"ctype" : "vector_Point2f"} },
"drawChessboardCorners" : { "corners" : {"ctype" : "vector_Point2f"} }
}
}
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#include "objdetect_converters.hpp"
#define LOG_TAG "org.opencv.objdetect"
void Copy_vector_NativeByteArray_to_List(JNIEnv* env, std::vector<std::string>& vs, jobject list)
{
static jclass juArrayList = ARRAYLIST(env);
jmethodID m_clear = LIST_CLEAR(env, juArrayList);
jmethodID m_add = LIST_ADD(env, juArrayList);
env->CallVoidMethod(list, m_clear);
for (std::vector<std::string>::iterator it = vs.begin(); it != vs.end(); ++it)
{
jsize sz = static_cast<jsize>((*it).size());
jbyteArray element = env->NewByteArray(sz);
env->SetByteArrayRegion(element, 0, sz, reinterpret_cast<const jbyte*>((*it).c_str()));
env->CallBooleanMethod(list, m_add, element);
env->DeleteLocalRef(element);
}
}
@@ -0,0 +1,14 @@
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html
#ifndef OBJDETECT_CONVERTERS_HPP
#define OBJDETECT_CONVERTERS_HPP
#include <jni.h>
#include "opencv_java.hpp"
#include "opencv2/core.hpp"
void Copy_vector_NativeByteArray_to_List(JNIEnv* env, std::vector<std::string>& vs, jobject list);
#endif /* OBJDETECT_CONVERTERS_HPP */
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package org.opencv.test.aruco;
import java.util.ArrayList;
import java.util.List;
import org.opencv.test.OpenCVTestCase;
import org.junit.Assert;
import org.opencv.core.Scalar;
import org.opencv.core.Mat;
import org.opencv.core.MatOfInt;
import org.opencv.core.Size;
import org.opencv.core.CvType;
import org.opencv.objdetect.*;
public class ArucoTest extends OpenCVTestCase {
public void testGenerateBoards() {
Dictionary dictionary = Objdetect.getPredefinedDictionary(Objdetect.DICT_4X4_50);
Mat point1 = new Mat(4, 3, CvType.CV_32FC1);
int row = 0, col = 0;
double squareLength = 40.;
point1.put(row, col, 0, 0, 0,
0, squareLength, 0,
squareLength, squareLength, 0,
0, squareLength, 0);
List<Mat>objPoints = new ArrayList<Mat>();
objPoints.add(point1);
Mat ids = new Mat(1, 1, CvType.CV_32SC1);
ids.put(row, col, 0);
Board board = new Board(objPoints, dictionary, ids);
Mat image = new Mat();
board.generateImage(new Size(80, 80), image, 2);
assertTrue(image.total() > 0);
}
public void testArucoIssue3133() {
byte[][] marker = {{0,1,1},{1,1,1},{0,1,1}};
Dictionary dictionary = Objdetect.extendDictionary(1, 3);
dictionary.set_maxCorrectionBits(0);
Mat markerBits = new Mat(3, 3, CvType.CV_8UC1);
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
markerBits.put(i, j, marker[i][j]);
}
}
Mat markerCompressed = Dictionary.getByteListFromBits(markerBits);
assertMatNotEqual(markerCompressed, dictionary.get_bytesList());
dictionary.set_bytesList(markerCompressed);
assertMatEqual(markerCompressed, dictionary.get_bytesList());
}
public void testArucoDetector() {
Dictionary dictionary = Objdetect.getPredefinedDictionary(0);
DetectorParameters detectorParameters = new DetectorParameters();
ArucoDetector detector = new ArucoDetector(dictionary, detectorParameters);
Mat markerImage = new Mat();
int id = 1, offset = 5, size = 40;
Objdetect.generateImageMarker(dictionary, id, size, markerImage, detectorParameters.get_markerBorderBits());
Mat image = new Mat(markerImage.rows() + 2*offset, markerImage.cols() + 2*offset,
CvType.CV_8UC1, new Scalar(255));
Mat m = image.submat(offset, size+offset, offset, size+offset);
markerImage.copyTo(m);
List<Mat> corners = new ArrayList();
Mat ids = new Mat();
detector.detectMarkers(image, corners, ids);
assertEquals(1, corners.size());
Mat res = corners.get(0);
assertArrayEquals(new double[]{offset, offset}, res.get(0, 0), 0.0);
assertArrayEquals(new double[]{size + offset - 1, offset}, res.get(0, 1), 0.0);
assertArrayEquals(new double[]{size + offset - 1, size + offset - 1}, res.get(0, 2), 0.0);
assertArrayEquals(new double[]{offset, size + offset - 1}, res.get(0, 3), 0.0);
}
public void testCharucoDetector() {
Dictionary dictionary = Objdetect.getPredefinedDictionary(0);
int boardSizeX = 3, boardSizeY = 3;
CharucoBoard board = new CharucoBoard(new Size(boardSizeX, boardSizeY), 1.f, 0.8f, dictionary);
CharucoDetector charucoDetector = new CharucoDetector(board);
int cellSize = 80;
Mat boardImage = new Mat();
board.generateImage(new Size(cellSize*boardSizeX, cellSize*boardSizeY), boardImage);
assertTrue(boardImage.total() > 0);
Mat charucoCorners = new Mat();
Mat charucoIds = new Mat();
charucoDetector.detectBoard(boardImage, charucoCorners, charucoIds);
assertEquals(4, charucoIds.total());
int[] intCharucoIds = (new MatOfInt(charucoIds)).toArray();
Assert.assertArrayEquals(new int[]{0, 1, 2, 3}, intCharucoIds);
// Note: Expected values adjusted by -0.5px after fixing the systematic offset bug in charuco_detector.cpp
// The fix removes the incorrect +0.5 offset that was added after cornerSubPix
double eps = 0.2;
assertArrayEquals(new double[]{cellSize - 0.5, cellSize - 0.5}, charucoCorners.get(0, 0), eps);
assertArrayEquals(new double[]{2*cellSize - 0.5, cellSize - 0.5}, charucoCorners.get(0,1), eps);
assertArrayEquals(new double[]{cellSize - 0.5, 2*cellSize - 0.5}, charucoCorners.get(0,2), eps);
assertArrayEquals(new double[]{2*cellSize - 0.5, 2*cellSize - 0.5}, charucoCorners.get(0,3), eps);
}
}
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package org.opencv.test.barcode;
import java.util.List;
import org.opencv.core.Mat;
import org.opencv.objdetect.BarcodeDetector;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.test.OpenCVTestCase;
import java.util.ArrayList;
public class BarcodeDetectorTest extends OpenCVTestCase {
private final static String ENV_OPENCV_TEST_DATA_PATH = "OPENCV_TEST_DATA_PATH";
private String testDataPath;
@Override
protected void setUp() throws Exception {
super.setUp();
// relys on https://developer.android.com/reference/java/lang/System
isTestCaseEnabled = System.getProperties().getProperty("java.vm.name") != "Dalvik";
if (isTestCaseEnabled) {
testDataPath = System.getenv(ENV_OPENCV_TEST_DATA_PATH);
if (testDataPath == null)
throw new Exception(ENV_OPENCV_TEST_DATA_PATH + " has to be defined!");
}
}
public void testDetectAndDecode() {
Mat img = Imgcodecs.imread(testDataPath + "/cv/barcode/multiple/4_barcodes.jpg");
assertFalse(img.empty());
BarcodeDetector detector = new BarcodeDetector();
assertNotNull(detector);
List < String > infos = new ArrayList< String >();
List < String > types = new ArrayList< String >();
boolean result = detector.detectAndDecodeWithType(img, infos, types);
assertTrue(result);
assertEquals(infos.size(), 4);
assertEquals(types.size(), 4);
final String[] correctResults = {"9787122276124", "9787118081473", "9787564350840", "9783319200064"};
for (int i = 0; i < 4; i++) {
assertEquals(types.get(i), "EAN_13");
result = false;
for (int j = 0; j < 4; j++) {
if (correctResults[j].equals(infos.get(i))) {
result = true;
break;
}
}
assertTrue(result);
}
}
}
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package org.opencv.test.objdetect;
import java.util.ArrayList;
import org.opencv.core.Core;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.core.MatOfDouble;
import org.opencv.core.MatOfPoint2f;
import org.opencv.core.MatOfPoint3f;
import org.opencv.core.Point;
import org.opencv.core.Scalar;
import org.opencv.core.Size;
import org.opencv.objdetect.Objdetect;
import org.opencv.test.OpenCVTestCase;
import org.opencv.imgproc.Imgproc;
public class ObjdetectTest extends OpenCVTestCase {
Size size;
@Override
protected void setUp() throws Exception {
super.setUp();
size = new Size(3, 3);
}
public void testFindChessboardCornersMatSizeMat() {
Size patternSize = new Size(9, 6);
MatOfPoint2f corners = new MatOfPoint2f();
Objdetect.findChessboardCorners(grayChess, patternSize, corners);
assertFalse(corners.empty());
}
public void testFindChessboardCornersMatSizeMatInt() {
Size patternSize = new Size(9, 6);
MatOfPoint2f corners = new MatOfPoint2f();
Objdetect.findChessboardCorners(grayChess, patternSize, corners, Objdetect.CALIB_CB_ADAPTIVE_THRESH + Objdetect.CALIB_CB_NORMALIZE_IMAGE
+ Objdetect.CALIB_CB_FAST_CHECK);
assertFalse(corners.empty());
}
public void testFind4QuadCornerSubpix() {
Size patternSize = new Size(9, 6);
MatOfPoint2f corners = new MatOfPoint2f();
Size region_size = new Size(5, 5);
Objdetect.findChessboardCorners(grayChess, patternSize, corners);
Objdetect.find4QuadCornerSubpix(grayChess, corners, region_size);
assertFalse(corners.empty());
}
public void testFindCirclesGridMatSizeMat() {
int size = 300;
Mat img = new Mat(size, size, CvType.CV_8U);
img.setTo(new Scalar(255));
Mat centers = new Mat();
assertFalse(Objdetect.findCirclesGrid(img, new Size(5, 5), centers));
for (int i = 0; i < 5; i++)
for (int j = 0; j < 5; j++) {
Point pt = new Point(size * (2 * i + 1) / 10, size * (2 * j + 1) / 10);
Imgproc.circle(img, pt, 10, new Scalar(0), -1);
}
assertTrue(Objdetect.findCirclesGrid(img, new Size(5, 5), centers));
assertEquals(1, centers.rows());
assertEquals(25, centers.cols());
assertEquals(CvType.CV_32FC2, centers.type());
}
public void testFindCirclesGridMatSizeMatInt() {
int size = 300;
Mat img = new Mat(size, size, CvType.CV_8U);
img.setTo(new Scalar(255));
Mat centers = new Mat();
assertFalse(Objdetect.findCirclesGrid(img, new Size(3, 5), centers, Objdetect.CALIB_CB_CLUSTERING
| Objdetect.CALIB_CB_ASYMMETRIC_GRID));
int step = size * 2 / 15;
int offsetx = size / 6;
int offsety = (size - 4 * step) / 2;
for (int i = 0; i < 3; i++)
for (int j = 0; j < 5; j++) {
Point pt = new Point(offsetx + (2 * i + j % 2) * step, offsety + step * j);
Imgproc.circle(img, pt, 10, new Scalar(0), -1);
}
assertTrue(Objdetect.findCirclesGrid(img, new Size(3, 5), centers, Objdetect.CALIB_CB_CLUSTERING
| Objdetect.CALIB_CB_ASYMMETRIC_GRID));
assertEquals(1, centers.rows());
assertEquals(15, centers.cols());
assertEquals(CvType.CV_32FC2, centers.type());
}
}
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package org.opencv.test.objdetect;
import java.util.List;
import org.opencv.core.Mat;
import org.opencv.core.Size;
import org.opencv.objdetect.QRCodeDetector;
import org.opencv.objdetect.QRCodeEncoder;
import org.opencv.objdetect.QRCodeEncoder_Params;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.imgproc.Imgproc;
import org.opencv.test.OpenCVTestCase;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
public class QRCodeDetectorTest extends OpenCVTestCase {
private final static String ENV_OPENCV_TEST_DATA_PATH = "OPENCV_TEST_DATA_PATH";
private String testDataPath;
@Override
protected void setUp() throws Exception {
super.setUp();
// relys on https://developer.android.com/reference/java/lang/System
isTestCaseEnabled = System.getProperties().getProperty("java.vm.name") != "Dalvik";
if (isTestCaseEnabled) {
testDataPath = System.getenv(ENV_OPENCV_TEST_DATA_PATH);
if (testDataPath == null)
throw new Exception(ENV_OPENCV_TEST_DATA_PATH + " has to be defined!");
}
}
public void testDetectAndDecode() {
Mat img = Imgcodecs.imread(testDataPath + "/cv/qrcode/link_ocv.jpg");
assertFalse(img.empty());
QRCodeDetector detector = new QRCodeDetector();
assertNotNull(detector);
String output = detector.detectAndDecode(img);
assertEquals(output, "https://opencv.org/");
}
public void testDetectAndDecodeMulti() {
Mat img = Imgcodecs.imread(testDataPath + "/cv/qrcode/multiple/6_qrcodes.png");
assertFalse(img.empty());
QRCodeDetector detector = new QRCodeDetector();
assertNotNull(detector);
List < String > output = new ArrayList< String >();
boolean result = detector.detectAndDecodeMulti(img, output);
assertTrue(result);
assertEquals(output.size(), 6);
List < String > expectedResults = Arrays.asList("SKIP", "EXTRA", "TWO STEPS FORWARD", "STEP BACK", "QUESTION", "STEP FORWARD");
assertEquals(new HashSet<String>(output), new HashSet<String>(expectedResults));
}
public void testKanji() {
byte[] inp = new byte[]{(byte)0x82, (byte)0xb1, (byte)0x82, (byte)0xf1, (byte)0x82, (byte)0xc9, (byte)0x82,
(byte)0xbf, (byte)0x82, (byte)0xcd, (byte)0x90, (byte)0xa2, (byte)0x8a, (byte)0x45};
QRCodeEncoder_Params params = new QRCodeEncoder_Params();
params.set_mode(QRCodeEncoder.MODE_KANJI);
QRCodeEncoder encoder = QRCodeEncoder.create(params);
Mat qrcode = new Mat();
encoder.encode(inp, qrcode);
Imgproc.resize(qrcode, qrcode, new Size(0, 0), 2, 2, Imgproc.INTER_NEAREST);
QRCodeDetector detector = new QRCodeDetector();
byte[] output = detector.detectAndDecodeBytes(qrcode);
assertEquals(detector.getEncoding(), QRCodeEncoder.ECI_SHIFT_JIS);
assertArrayEquals(inp, output);
List < byte[] > outputs = new ArrayList< byte[] >();
assertTrue(detector.detectAndDecodeBytesMulti(qrcode, outputs));
assertEquals(detector.getEncoding(0), QRCodeEncoder.ECI_SHIFT_JIS);
assertArrayEquals(inp, outputs.get(0));
}
}
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{
"whitelist":
{
"": ["groupRectangles", "getPredefinedDictionary", "extendDictionary", "drawDetectedMarkers", "generateImageMarker", "drawDetectedCornersCharuco", "drawDetectedDiamonds"],
"HOGDescriptor": ["load", "HOGDescriptor", "getDefaultPeopleDetector", "getDaimlerPeopleDetector", "setSVMDetector", "detectMultiScale"],
"CascadeClassifier": ["load", "detectMultiScale2", "CascadeClassifier", "detectMultiScale3", "empty", "detectMultiScale"],
"GraphicalCodeDetector": ["decode", "detect", "detectAndDecode", "detectMulti", "decodeMulti", "detectAndDecodeMulti"],
"QRCodeDetector": ["QRCodeDetector", "decode", "detect", "detectAndDecode", "detectMulti", "decodeMulti", "detectAndDecodeMulti", "decodeCurved", "detectAndDecodeCurved", "setEpsX", "setEpsY"],
"aruco_PredefinedDictionaryType": [],
"aruco_Dictionary": ["Dictionary", "getDistanceToId", "generateImageMarker", "getByteListFromBits", "getBitsFromByteList"],
"aruco_Board": ["Board", "matchImagePoints", "generateImage"],
"aruco_GridBoard": ["GridBoard", "generateImage", "getGridSize", "getMarkerLength", "getMarkerSeparation", "matchImagePoints"],
"aruco_CharucoParameters": ["CharucoParameters"],
"aruco_CharucoBoard": ["CharucoBoard", "generateImage", "getChessboardCorners", "getNearestMarkerCorners", "checkCharucoCornersCollinear", "matchImagePoints", "getLegacyPattern", "setLegacyPattern"],
"aruco_DetectorParameters": ["DetectorParameters"],
"aruco_RefineParameters": ["RefineParameters"],
"aruco_ArucoDetector": ["ArucoDetector", "detectMarkers", "refineDetectedMarkers", "setDictionary", "setDetectorParameters", "setRefineParameters"],
"aruco_CharucoDetector": ["CharucoDetector", "setBoard", "setCharucoParameters", "setDetectorParameters", "setRefineParameters", "detectBoard", "detectDiamonds"],
"QRCodeDetectorAruco_Params": ["Params"],
"QRCodeDetectorAruco": ["QRCodeDetectorAruco", "decode", "detect", "detectAndDecode", "detectMulti", "decodeMulti", "detectAndDecodeMulti", "setDetectorParameters", "setArucoParameters"],
"barcode_BarcodeDetector": ["BarcodeDetector", "decode", "detect", "detectAndDecode", "detectMulti", "decodeMulti", "detectAndDecodeMulti", "decodeWithType", "detectAndDecodeWithType"],
"mcc_CheckerDetector": ["process", "getBestColorChecker", "getListColorChecker", "create", "draw", "getRefColors", "setDetectionParams", "getDetectionParams", "setColorChartType", "getColorChartType", "setUseDnnModel", "getUseDnnModel"],
"mcc_DetectorParameters": ["DetectorParametersMCC"],
"mcc_Checker": ["setTarget", "setBox", "setChartsRGB", "setChartsYCbCr", "setCost", "setCenter", "getTarget", "getBox", "getColorCharts", "getChartsRGB", "getChartsYCbCr", "getCost", "getCenter"],
"FaceDetectorYN": ["setInputSize", "getInputSize", "setScoreThreshold", "getScoreThreshold", "setNMSThreshold", "getNMSThreshold", "setTopK", "getTopK", "detect", "create"]
},
"namespace_prefix_override":
{
"aruco": ""
}
}
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{
"ManualFuncs" : {
"QRCodeDetectorAruco": {
"getDetectorParameters": { "declaration" : [""], "implementation" : [""] }
}
},
"func_arg_fix" : {
"Calib" : {
"findCirclesGrid" : { "blobDetector" : {"defval" : "cv::SimpleBlobDetector::create()"} }
}
}
}
@@ -0,0 +1,88 @@
import XCTest
import OpenCV
class ObjdetectTest: OpenCVTestCase {
var size = Size()
override func setUp() {
super.setUp()
size = Size(width: 3, height: 3)
}
override func tearDown() {
super.tearDown()
}
func testFindChessboardCornersMatSizeMat() {
let patternSize = Size(width: 9, height: 6)
let corners = MatOfPoint2f()
Calib.findChessboardCorners(image: grayChess, patternSize: patternSize, corners: corners)
XCTAssertFalse(corners.empty())
}
func testFindChessboardCornersMatSizeMatInt() {
let patternSize = Size(width: 9, height: 6)
let corners = MatOfPoint2f()
Calib.findChessboardCorners(image: grayChess, patternSize: patternSize, corners: corners, flags: Calib.CALIB_CB_ADAPTIVE_THRESH + Calib.CALIB_CB_NORMALIZE_IMAGE + Calib.CALIB_CB_FAST_CHECK)
XCTAssertFalse(corners.empty())
}
func testFind4QuadCornerSubpix() {
let patternSize = Size(width: 9, height: 6)
let corners = MatOfPoint2f()
let region_size = Size(width: 5, height: 5)
Calib.findChessboardCorners(image: grayChess, patternSize: patternSize, corners: corners)
Calib.find4QuadCornerSubpix(img: grayChess, corners: corners, region_size: region_size)
XCTAssertFalse(corners.empty())
}
func testFindCirclesGridMatSizeMat() {
let size = 300
let img = Mat(rows:Int32(size), cols:Int32(size), type:CvType.CV_8U)
img.setTo(scalar: Scalar(255))
let centers = Mat()
XCTAssertFalse(Calib.findCirclesGrid(image: img, patternSize: Size(width: 5, height: 5), centers: centers))
for i in 0..<5 {
for j in 0..<5 {
let x = Int32(size * (2 * i + 1) / 10)
let y = Int32(size * (2 * j + 1) / 10)
let pt = Point(x: x, y: y)
Imgproc.circle(img: img, center: pt, radius: 10, color: Scalar(0), thickness: -1)
}
}
XCTAssert(Calib.findCirclesGrid(image: img, patternSize:Size(width:5, height:5), centers:centers))
XCTAssertEqual(25, centers.rows())
XCTAssertEqual(1, centers.cols())
XCTAssertEqual(CvType.CV_32FC2, centers.type())
}
func testFindCirclesGridMatSizeMatInt() {
let size:Int32 = 300
let img = Mat(rows:size, cols: size, type: CvType.CV_8U)
img.setTo(scalar: Scalar(255))
let centers = Mat()
XCTAssertFalse(Calib.findCirclesGrid(image: img, patternSize: Size(width: 3, height: 5), centers: centers, flags: Calib.CALIB_CB_CLUSTERING | Calib.CALIB_CB_ASYMMETRIC_GRID))
let step = size * 2 / 15
let offsetx = size / 6
let offsety = (size - 4 * step) / 2
for i:Int32 in 0...2 {
for j:Int32 in 0...4 {
let pt = Point(x: offsetx + (2 * i + j % 2) * step, y: offsety + step * j)
Imgproc.circle(img: img, center: pt, radius: 10, color: Scalar(0), thickness: -1)
}
}
XCTAssert(Calib.findCirclesGrid(image: img, patternSize: Size(width: 3, height: 5), centers: centers, flags: Calib.CALIB_CB_CLUSTERING | Calib.CALIB_CB_ASYMMETRIC_GRID))
XCTAssertEqual(15, centers.rows())
XCTAssertEqual(1, centers.cols())
XCTAssertEqual(CvType.CV_32FC2, centers.type())
}
}
@@ -0,0 +1,38 @@
#ifdef HAVE_OPENCV_OBJDETECT
#include "opencv2/objdetect.hpp"
typedef QRCodeEncoder::Params QRCodeEncoder_Params;
typedef std::vector<cv::Ptr<mcc::CChecker>> vector_Ptr_CChecker;
#ifdef HAVE_OPENCV_DNN
typedef dnn::Net dnn_Net;
#endif
class NativeByteArray
{
public:
inline NativeByteArray& operator=(const std::string& from) {
val = from;
return *this;
}
std::string val;
};
class vector_NativeByteArray : public std::vector<std::string> {};
template<>
PyObject* pyopencv_from(const NativeByteArray& from)
{
return PyBytes_FromStringAndSize(from.val.c_str(), from.val.size());
}
template<>
PyObject* pyopencv_from(const vector_NativeByteArray& results)
{
PyObject* list = PyList_New(results.size());
for(size_t i = 0; i < results.size(); ++i)
PyList_SetItem(list, i, PyBytes_FromStringAndSize(results[i].c_str(), results[i].size()));
return list;
}
#endif
@@ -0,0 +1,33 @@
#!/usr/bin/env python
'''
===============================================================================
Barcode detect and decode pipeline.
===============================================================================
'''
import os
import numpy as np
import cv2 as cv
from tests_common import NewOpenCVTests
class barcode_detector_test(NewOpenCVTests):
def test_detect(self):
img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/barcode/multiple/4_barcodes.jpg'))
self.assertFalse(img is None)
detector = cv.barcode_BarcodeDetector()
retval, corners = detector.detect(img)
self.assertTrue(retval)
self.assertEqual(corners.shape, (4, 4, 2))
def test_detect_and_decode(self):
img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/barcode/single/book.jpg'))
self.assertFalse(img is None)
detector = cv.barcode_BarcodeDetector()
retval, decoded_info, decoded_type, corners = detector.detectAndDecodeWithType(img)
self.assertTrue(retval)
self.assertTrue(len(decoded_info) > 0)
self.assertTrue(len(decoded_type) > 0)
self.assertEqual(decoded_info[0], "9787115279460")
self.assertEqual(decoded_type[0], "EAN_13")
self.assertEqual(corners.shape, (1, 4, 2))
@@ -0,0 +1,494 @@
#!/usr/bin/env python
# Python 2/3 compatibility
from __future__ import print_function
import os, tempfile, numpy as np
from math import pi
import cv2 as cv
from tests_common import NewOpenCVTests
def getSyntheticRT(yaw, pitch, distance):
rvec = np.zeros((3, 1), np.float64)
tvec = np.zeros((3, 1), np.float64)
rotPitch = np.array([[-pitch], [0], [0]])
rotYaw = np.array([[0], [yaw], [0]])
rvec, tvec = cv.composeRT(rotPitch, np.zeros((3, 1), np.float64),
rotYaw, np.zeros((3, 1), np.float64))[:2]
tvec = np.array([[0], [0], [distance]])
return rvec, tvec
# see test_aruco_utils.cpp
def projectMarker(img, board, markerIndex, cameraMatrix, rvec, tvec, markerBorder):
markerSizePixels = 100
markerImg = cv.aruco.generateImageMarker(board.getDictionary(), board.getIds()[markerIndex], markerSizePixels, borderBits=markerBorder)
distCoeffs = np.zeros((5, 1), np.float64)
maxCoord = board.getRightBottomCorner()
objPoints = board.getObjPoints()[markerIndex]
for i in range(len(objPoints)):
objPoints[i][0] -= maxCoord[0] / 2
objPoints[i][1] -= maxCoord[1] / 2
objPoints[i][2] -= maxCoord[2] / 2
corners, _ = cv.projectPoints(objPoints, rvec, tvec, cameraMatrix, distCoeffs)
originalCorners = np.array([
[0, 0],
[markerSizePixels, 0],
[markerSizePixels, markerSizePixels],
[0, markerSizePixels],
], np.float32)
transformation = cv.getPerspectiveTransform(originalCorners, corners)
borderValue = 127
aux = cv.warpPerspective(markerImg, transformation, img.shape, None, cv.INTER_NEAREST, cv.BORDER_CONSTANT, borderValue)
assert(img.shape == aux.shape)
mask = (aux == borderValue).astype(np.uint8)
img = img * mask + aux * (1 - mask)
return img
def projectChessboard(squaresX, squaresY, squareSize, imageSize, cameraMatrix, rvec, tvec):
img = np.ones(imageSize, np.uint8) * 255
distCoeffs = np.zeros((5, 1), np.float64)
for y in range(squaresY):
startY = y * squareSize
for x in range(squaresX):
if (y % 2 != x % 2):
continue
startX = x * squareSize
squareCorners = np.array([[startX - squaresX*squareSize/2,
startY - squaresY*squareSize/2,
0]], np.float32)
squareCorners = np.stack((squareCorners[0],
squareCorners[0] + [squareSize, 0, 0],
squareCorners[0] + [squareSize, squareSize, 0],
squareCorners[0] + [0, squareSize, 0]))
projectedCorners, _ = cv.projectPoints(squareCorners, rvec, tvec, cameraMatrix, distCoeffs)
projectedCorners = projectedCorners.astype(np.int64)
projectedCorners = projectedCorners.reshape(1, 4, 2)
img = cv.fillPoly(img, [projectedCorners], 0)
return img
def projectCharucoBoard(board, cameraMatrix, yaw, pitch, distance, imageSize, markerBorder):
rvec, tvec = getSyntheticRT(yaw, pitch, distance)
img = np.ones(imageSize, np.uint8) * 255
for indexMarker in range(len(board.getIds())):
img = projectMarker(img, board, indexMarker, cameraMatrix, rvec, tvec, markerBorder)
chessboard = projectChessboard(board.getChessboardSize()[0], board.getChessboardSize()[1],
board.getSquareLength(), imageSize, cameraMatrix, rvec, tvec)
chessboard = (chessboard != 0).astype(np.uint8)
img = img * chessboard
return img, rvec, tvec
class aruco_objdetect_test(NewOpenCVTests):
def test_board(self):
p1 = np.array([[0, 0, 0], [0, 1, 0], [1, 1, 0], [1, 0, 0]], dtype=np.float32)
p2 = np.array([[1, 0, 0], [1, 1, 0], [2, 1, 0], [2, 0, 0]], dtype=np.float32)
objPoints = np.array([p1, p2])
dictionary = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_4X4_50)
ids = np.array([0, 1])
board = cv.aruco.Board(objPoints, dictionary, ids)
np.testing.assert_array_equal(board.getIds().squeeze(), ids)
np.testing.assert_array_equal(np.ravel(np.array(board.getObjPoints())), np.ravel(np.concatenate([p1, p2])))
def test_idsAccessibility(self):
ids = np.arange(17)
rev_ids = ids[::-1]
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_5X5_250)
board = cv.aruco.CharucoBoard((7, 5), 1, 0.5, aruco_dict)
np.testing.assert_array_equal(board.getIds().squeeze(), ids)
board = cv.aruco.CharucoBoard((7, 5), 1, 0.5, aruco_dict, rev_ids)
np.testing.assert_array_equal(board.getIds().squeeze(), rev_ids)
board = cv.aruco.CharucoBoard((7, 5), 1, 0.5, aruco_dict, ids)
np.testing.assert_array_equal(board.getIds().squeeze(), ids)
def test_identify(self):
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_4X4_50)
expected_idx = 9
expected_rotation = 2
bit_marker = np.array([[0, 1, 1, 0], [1, 0, 1, 0], [1, 1, 1, 1], [0, 0, 1, 1]], dtype=np.uint8)
check, idx, rotation = aruco_dict.identify(bit_marker, 0)
self.assertTrue(check, True)
self.assertEqual(idx, expected_idx)
self.assertEqual(rotation, expected_rotation)
def test_getDistanceToId(self):
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_4X4_50)
idx = 7
rotation = 3
bit_marker = np.array([[0, 1, 0, 1], [0, 1, 1, 1], [1, 1, 0, 0], [0, 1, 0, 0]], dtype=np.uint8)
dist = aruco_dict.getDistanceToId(bit_marker, idx)
self.assertEqual(dist, 0)
def test_aruco_detector(self):
aruco_params = cv.aruco.DetectorParameters()
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_4X4_250)
aruco_detector = cv.aruco.ArucoDetector(aruco_dict, aruco_params)
id = 2
marker_size = 100
offset = 10
img_marker = cv.aruco.generateImageMarker(aruco_dict, id, marker_size, aruco_params.markerBorderBits)
img_marker = np.pad(img_marker, pad_width=offset, mode='constant', constant_values=255)
gold_corners = np.array([[offset, offset],[marker_size+offset-1.0,offset],
[marker_size+offset-1.0,marker_size+offset-1.0],
[offset, marker_size+offset-1.0]], dtype=np.float32)
corners, ids, rejected = aruco_detector.detectMarkers(img_marker)
self.assertEqual(1, len(ids))
self.assertEqual(id, ids[0])
for i in range(0, len(corners)):
np.testing.assert_array_equal(gold_corners, corners[i].reshape(4, 2))
def test_aruco_detector_refine(self):
aruco_params = cv.aruco.DetectorParameters()
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_4X4_250)
aruco_detector = cv.aruco.ArucoDetector(aruco_dict, aruco_params)
board_size = (3, 4)
board = cv.aruco.GridBoard(board_size, 5.0, 1.0, aruco_dict)
board_image = board.generateImage((board_size[0]*50, board_size[1]*50), marginSize=10)
corners, ids, rejected = aruco_detector.detectMarkers(board_image)
self.assertEqual(board_size[0]*board_size[1], len(ids))
part_corners, part_ids, part_rejected = corners[:-1], ids[:-1], list(rejected)
part_rejected.append(corners[-1])
refine_corners, refine_ids, refine_rejected, recovered_ids = aruco_detector.refineDetectedMarkers(board_image, board, part_corners, part_ids, part_rejected)
self.assertEqual(board_size[0] * board_size[1], len(refine_ids))
self.assertEqual(1, len(recovered_ids))
self.assertEqual(ids[-1], refine_ids[-1])
self.assertEqual((1, 4, 2), refine_corners[0].shape)
np.testing.assert_array_equal(corners, refine_corners)
def test_charuco_refine(self):
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_6X6_50)
board_size = (3, 4)
board = cv.aruco.CharucoBoard(board_size, 1., .7, aruco_dict)
aruco_detector = cv.aruco.ArucoDetector(aruco_dict)
charuco_detector = cv.aruco.CharucoDetector(board)
cell_size = 100
image = board.generateImage((cell_size*board_size[0], cell_size*board_size[1]))
camera = np.array([[1, 0, 0.5],
[0, 1, 0.5],
[0, 0, 1]])
dist = np.array([0, 0, 0, 0, 0], dtype=np.float32).reshape(1, -1)
# generate gold corners of the ArUco markers for the test
gold_corners = np.array(board.getObjPoints())[:, :, 0:2]*cell_size
# detect corners
markerCorners, markerIds, _ = aruco_detector.detectMarkers(image)
# test refine
rejected = [markerCorners[-1]]
markerCorners, markerIds = markerCorners[:-1], markerIds[:-1]
markerCorners, markerIds, _, _ = aruco_detector.refineDetectedMarkers(image, board, markerCorners, markerIds,
rejected, cameraMatrix=camera, distCoeffs=dist)
charucoCorners, charucoIds, _, _ = charuco_detector.detectBoard(image, markerCorners=markerCorners,
markerIds=markerIds)
self.assertEqual(len(charucoIds), 6)
self.assertEqual(len(markerIds), 6)
for i, id in enumerate(markerIds.reshape(-1)):
np.testing.assert_allclose(gold_corners[id], markerCorners[i].reshape(4, 2), 0.01, 1.)
def test_write_read_dictionary(self):
try:
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_5X5_50)
markers_gold = aruco_dict.bytesList
# write aruco_dict
fd, filename = tempfile.mkstemp(prefix="opencv_python_aruco_dict_", suffix=".yml")
os.close(fd)
fs_write = cv.FileStorage(filename, cv.FileStorage_WRITE)
aruco_dict.writeDictionary(fs_write)
fs_write.release()
# reset aruco_dict
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_6X6_250)
# read aruco_dict
fs_read = cv.FileStorage(filename, cv.FileStorage_READ)
aruco_dict.readDictionary(fs_read.root())
fs_read.release()
# check equal
self.assertEqual(aruco_dict.markerSize, 5)
self.assertEqual(aruco_dict.maxCorrectionBits, 3)
np.testing.assert_array_equal(aruco_dict.bytesList, markers_gold)
finally:
if os.path.exists(filename):
os.remove(filename)
def test_charuco_detector(self):
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_4X4_250)
board_size = (3, 3)
board = cv.aruco.CharucoBoard(board_size, 1.0, .8, aruco_dict)
charuco_detector = cv.aruco.CharucoDetector(board)
cell_size = 100
image = board.generateImage((cell_size*board_size[0], cell_size*board_size[1]))
# Note: Expected values adjusted by -0.5px after fixing the systematic offset bug in charuco_detector.cpp
# The fix removes the incorrect +0.5 offset that was added after cornerSubPix
list_gold_corners = []
for i in range(1, board_size[0]):
for j in range(1, board_size[1]):
list_gold_corners.append((j*cell_size - 0.5, i*cell_size - 0.5))
gold_corners = np.array(list_gold_corners, dtype=np.float32)
charucoCorners, charucoIds, markerCorners, markerIds = charuco_detector.detectBoard(image)
self.assertEqual(len(charucoIds), 4)
for i in range(0, 4):
self.assertEqual(charucoIds[i], i)
np.testing.assert_allclose(gold_corners, charucoCorners.reshape(-1, 2), 0.01, 0.1)
def test_detect_diamonds(self):
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_6X6_250)
board_size = (3, 3)
board = cv.aruco.CharucoBoard(board_size, 1.0, .8, aruco_dict)
charuco_detector = cv.aruco.CharucoDetector(board)
cell_size = 120
image = board.generateImage((cell_size*board_size[0], cell_size*board_size[1]))
# Note: Expected values adjusted by -0.5px after fixing the systematic offset bug in charuco_detector.cpp
# The fix removes the incorrect +0.5 offset that was added after cornerSubPix
list_gold_corners = [(cell_size - 0.5, cell_size - 0.5), (2*cell_size - 0.5, cell_size - 0.5),
(2*cell_size - 0.5, 2*cell_size - 0.5), (cell_size - 0.5, 2*cell_size - 0.5)]
gold_corners = np.array(list_gold_corners, dtype=np.float32)
diamond_corners, diamond_ids, marker_corners, marker_ids = charuco_detector.detectDiamonds(image)
self.assertEqual(diamond_ids.size, 4)
self.assertEqual(marker_ids.size, 4)
for i in range(0, 4):
self.assertEqual(diamond_ids[0][i], i)
np.testing.assert_allclose(gold_corners, np.array(diamond_corners, dtype=np.float32).reshape(-1, 2), 0.01, 0.1)
# check no segfault when cameraMatrix or distCoeffs are not initialized
def test_charuco_no_segfault_params(self):
dictionary = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_4X4_1000)
board = cv.aruco.CharucoBoard((10, 10), 0.019, 0.015, dictionary)
charuco_parameters = cv.aruco.CharucoParameters()
detector = cv.aruco.CharucoDetector(board)
detector.setCharucoParameters(charuco_parameters)
self.assertIsNone(detector.getCharucoParameters().cameraMatrix)
self.assertIsNone(detector.getCharucoParameters().distCoeffs)
def test_charuco_no_segfault_params_constructor(self):
dictionary = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_4X4_1000)
board = cv.aruco.CharucoBoard((10, 10), 0.019, 0.015, dictionary)
charuco_parameters = cv.aruco.CharucoParameters()
detector = cv.aruco.CharucoDetector(board, charucoParams=charuco_parameters)
self.assertIsNone(detector.getCharucoParameters().cameraMatrix)
self.assertIsNone(detector.getCharucoParameters().distCoeffs)
# similar to C++ test CV_CharucoDetection.accuracy
def test_charuco_detector_accuracy(self):
iteration = 0
cameraMatrix = np.eye(3, 3, dtype=np.float64)
imgSize = (500, 500)
params = cv.aruco.DetectorParameters()
params.minDistanceToBorder = 3
params.validBitIdThreshold = 0.5
board = cv.aruco.CharucoBoard((4, 4), 0.03, 0.015, cv.aruco.getPredefinedDictionary(cv.aruco.DICT_6X6_250))
detector = cv.aruco.CharucoDetector(board, detectorParams=params)
cameraMatrix[0, 0] = cameraMatrix[1, 1] = 600
cameraMatrix[0, 2] = imgSize[0] / 2
cameraMatrix[1, 2] = imgSize[1] / 2
# for different perspectives
distCoeffs = np.zeros((5, 1), dtype=np.float64)
for distance in [0.2, 0.4]:
for yaw in range(-55, 51, 25):
for pitch in range(-55, 51, 25):
markerBorder = iteration % 2 + 1
iteration += 1
# create synthetic image
img, rvec, tvec = projectCharucoBoard(board, cameraMatrix, yaw * pi / 180, pitch * pi / 180, distance, imgSize, markerBorder)
params.markerBorderBits = markerBorder
detector.setDetectorParameters(params)
if (iteration % 2 != 0):
charucoParameters = cv.aruco.CharucoParameters()
charucoParameters.cameraMatrix = cameraMatrix
charucoParameters.distCoeffs = distCoeffs
detector.setCharucoParameters(charucoParameters)
charucoCorners, charucoIds, corners, ids = detector.detectBoard(img)
self.assertGreater(len(ids), 0)
copyChessboardCorners = board.getChessboardCorners()
copyChessboardCorners -= np.array(board.getRightBottomCorner()) / 2
projectedCharucoCorners, _ = cv.projectPoints(copyChessboardCorners, rvec, tvec, cameraMatrix, distCoeffs)
if charucoIds is None:
# Detection can fail at extreme viewing angles
self.assertTrue(abs(yaw) >= 45 or abs(pitch) >= 45,
f"Detection failed unexpectedly at yaw={yaw}, pitch={pitch}")
continue
for i in range(len(charucoIds)):
currentId = charucoIds[i]
self.assertLess(currentId, len(board.getChessboardCorners()))
reprErr = cv.norm(charucoCorners[i] - projectedCharucoCorners[currentId])
self.assertLessEqual(reprErr, 5)
def test_aruco_match_image_points(self):
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_4X4_50)
board_size = (3, 4)
board = cv.aruco.GridBoard(board_size, 5.0, 1.0, aruco_dict)
aruco_corners = np.array(board.getObjPoints())[:, :, :2]
aruco_ids = board.getIds()
obj_points, img_points = board.matchImagePoints(aruco_corners, aruco_ids)
aruco_corners = aruco_corners.reshape(-1, 2)
self.assertEqual(aruco_corners.shape[0], obj_points.shape[0])
self.assertEqual(img_points.shape[0], obj_points.shape[0])
self.assertEqual(2, img_points.shape[1])
np.testing.assert_array_equal(aruco_corners, obj_points[:, :2].reshape(-1, 2))
def test_charuco_match_image_points(self):
aruco_dict = cv.aruco.getPredefinedDictionary(cv.aruco.DICT_4X4_50)
board_size = (3, 4)
board = cv.aruco.CharucoBoard(board_size, 5.0, 1.0, aruco_dict)
chessboard_corners = np.array(board.getChessboardCorners())[:, :2]
chessboard_ids = board.getIds()
obj_points, img_points = board.matchImagePoints(chessboard_corners, chessboard_ids)
self.assertEqual(chessboard_corners.shape[0], obj_points.shape[0])
self.assertEqual(img_points.shape[0], obj_points.shape[0])
self.assertEqual(2, img_points.shape[1])
np.testing.assert_array_equal(chessboard_corners, obj_points[:, :2].reshape(-1, 2))
def test_draw_detected_markers(self):
detected_points = [[[10, 10], [50, 10], [50, 50], [10, 50]]]
img = np.zeros((60, 60), dtype=np.uint8)
# add extra dimension in Python to create Nx4 Mat with 2 channels
points1 = np.array(detected_points).reshape(-1, 4, 1, 2)
img = cv.aruco.drawDetectedMarkers(img, points1, borderColor=255)
# check that the marker borders are painted
contours, _ = cv.findContours(img, cv.RETR_EXTERNAL, cv.CHAIN_APPROX_SIMPLE)
self.assertEqual(len(contours), 1)
self.assertEqual(img[10, 10], 255)
self.assertEqual(img[50, 10], 255)
self.assertEqual(img[50, 50], 255)
self.assertEqual(img[10, 50], 255)
# must throw Exception without extra dimension
points2 = np.array(detected_points)
with self.assertRaises(Exception):
img = cv.aruco.drawDetectedMarkers(img, points2, borderColor=255)
def test_draw_detected_charuco(self):
detected_points = [[[10, 10], [50, 10], [50, 50], [10, 50]]]
img = np.zeros((60, 60), dtype=np.uint8)
# add extra dimension in Python to create Nx1 Mat with 2 channels
points = np.array(detected_points).reshape(-1, 1, 2)
img = cv.aruco.drawDetectedCornersCharuco(img, points, cornerColor=255)
# check that the 4 charuco corners are painted
contours, _ = cv.findContours(img, cv.RETR_EXTERNAL, cv.CHAIN_APPROX_SIMPLE)
self.assertEqual(len(contours), 4)
for contour in contours:
center_x = round(np.average(contour[:, 0, 0]))
center_y = round(np.average(contour[:, 0, 1]))
center = [center_x, center_y]
self.assertTrue(center in detected_points[0])
# must throw Exception without extra dimension
points2 = np.array(detected_points)
with self.assertRaises(Exception):
img = cv.aruco.drawDetectedCornersCharuco(img, points2, borderColor=255)
def test_draw_detected_diamonds(self):
detected_points = [[[10, 10], [50, 10], [50, 50], [10, 50]]]
img = np.zeros((60, 60), dtype=np.uint8)
# add extra dimension in Python to create Nx4 Mat with 2 channels
points = np.array(detected_points).reshape(-1, 4, 1, 2)
img = cv.aruco.drawDetectedDiamonds(img, points, borderColor=255)
# check that the diamonds borders are painted
contours, _ = cv.findContours(img, cv.RETR_EXTERNAL, cv.CHAIN_APPROX_SIMPLE)
self.assertEqual(len(contours), 1)
self.assertEqual(img[10, 10], 255)
self.assertEqual(img[50, 10], 255)
self.assertEqual(img[50, 50], 255)
self.assertEqual(img[10, 50], 255)
# must throw Exception without extra dimension
points2 = np.array(detected_points)
with self.assertRaises(Exception):
img = cv.aruco.drawDetectedDiamonds(img, points2, borderColor=255)
def test_multi_dict_arucodetector(self):
aruco_params = cv.aruco.DetectorParameters()
aruco_dicts = [
cv.aruco.getPredefinedDictionary(cv.aruco.DICT_4X4_250),
cv.aruco.getPredefinedDictionary(cv.aruco.DICT_5X5_250)
]
aruco_detector = cv.aruco.ArucoDetector(aruco_dicts, aruco_params)
id = 2
marker_size = 100
offset = 10
img_marker1 = cv.aruco.generateImageMarker(aruco_dicts[0], id, marker_size, aruco_params.markerBorderBits)
img_marker1 = np.pad(img_marker1, pad_width=offset, mode='constant', constant_values=255)
img_marker2 = cv.aruco.generateImageMarker(aruco_dicts[1], id, marker_size, aruco_params.markerBorderBits)
img_marker2 = np.pad(img_marker2, pad_width=offset, mode='constant', constant_values=255)
img_markers = np.concatenate((img_marker1, img_marker2), axis=1)
corners, ids, rejected, dictIndices = aruco_detector.detectMarkersMultiDict(img_markers)
self.assertEqual(2, len(ids))
self.assertEqual(id, ids[0])
self.assertEqual(id, ids[1])
self.assertEqual(2, len(dictIndices))
self.assertEqual(0, dictIndices[0])
self.assertEqual(1, dictIndices[1])
if __name__ == '__main__':
NewOpenCVTests.bootstrap()
@@ -0,0 +1,86 @@
# -*- coding: utf-8 -*-
#!/usr/bin/env python
'''
===============================================================================
QR code detect and decode pipeline.
===============================================================================
'''
import os
import numpy as np
import cv2 as cv
from tests_common import NewOpenCVTests, unittest
class qrcode_detector_test(NewOpenCVTests):
def test_detect(self):
img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/qrcode/link_ocv.jpg'))
self.assertFalse(img is None)
detector = cv.QRCodeDetector()
retval, points = detector.detect(img)
self.assertTrue(retval)
self.assertEqual(points.shape, (1, 4, 2))
def test_detect_and_decode(self):
img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/qrcode/link_ocv.jpg'))
self.assertFalse(img is None)
detector = cv.QRCodeDetector()
retval, points, straight_qrcode = detector.detectAndDecode(img)
self.assertEqual(retval, "https://opencv.org/")
self.assertEqual(points.shape, (1, 4, 2))
def test_detect_multi(self):
img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/qrcode/multiple/6_qrcodes.png'))
self.assertFalse(img is None)
detector = cv.QRCodeDetector()
retval, points = detector.detectMulti(img)
self.assertTrue(retval)
self.assertEqual(points.shape, (6, 4, 2))
def test_detect_and_decode_multi(self):
img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/qrcode/multiple/6_qrcodes.png'))
self.assertFalse(img is None)
detector = cv.QRCodeDetector()
retval, decoded_data, points, straight_qrcode = detector.detectAndDecodeMulti(img)
self.assertTrue(retval)
self.assertEqual(len(decoded_data), 6)
self.assertTrue("TWO STEPS FORWARD" in decoded_data)
self.assertTrue("EXTRA" in decoded_data)
self.assertTrue("SKIP" in decoded_data)
self.assertTrue("STEP FORWARD" in decoded_data)
self.assertTrue("STEP BACK" in decoded_data)
self.assertTrue("QUESTION" in decoded_data)
self.assertEqual(points.shape, (6, 4, 2))
def test_decode_non_ascii(self):
import sys
if sys.version_info[0] < 3:
raise unittest.SkipTest('Python 2.x is not supported')
img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/qrcode/umlaut.png'))
self.assertFalse(img is None)
detector = cv.QRCodeDetector()
decoded_data, _, _ = detector.detectAndDecode(img)
self.assertTrue(isinstance(decoded_data, str))
self.assertTrue("Müllheimstrasse" in decoded_data)
def test_kanji(self):
inp = "こんにちは世界"
inp_bytes = inp.encode("shift-jis")
params = cv.QRCodeEncoder_Params()
params.mode = cv.QRCodeEncoder_MODE_KANJI
encoder = cv.QRCodeEncoder_create(params)
qrcode = encoder.encode(inp_bytes)
qrcode = cv.resize(qrcode, (0, 0), fx=2, fy=2, interpolation=cv.INTER_NEAREST)
detector = cv.QRCodeDetector()
data, _, _ = detector.detectAndDecodeBytes(qrcode)
self.assertEqual(data, inp_bytes)
self.assertEqual(detector.getEncoding(), cv.QRCodeEncoder_ECI_SHIFT_JIS)
self.assertEqual(data.decode("shift-jis"), inp)
_, data, _, _ = detector.detectAndDecodeBytesMulti(qrcode)
self.assertEqual(data[0], inp_bytes)
self.assertEqual(detector.getEncoding(0), cv.QRCodeEncoder_ECI_SHIFT_JIS)
self.assertEqual(data[0].decode("shift-jis"), inp)