vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
commit 12022378a3
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+// 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.
+#include "test_precomp.hpp"
+
+namespace opencv_test { namespace {
+
+TEST(ximgproc_Edgeboxes, regression)
+{
+    //Testing Edgeboxes implementation by asking for one proposal
+    //on a simple test image from the PASCAL VOC 2012 dataset.
+    std::vector<Rect> boxes;
+    std::vector<float> scores;
+    float expectedScore = 0.48742563f;
+    Rect expectedProposal(158, 69, 125, 154);
+
+    //Using sample model file, compute orientations map for use with edge detection.
+    cv::String testImagePath = cvtest::TS::ptr()->get_data_path() + "cv/ximgproc/" + "pascal_voc_bird.png";
+    Mat testImg = imread(testImagePath);
+    ASSERT_FALSE(testImg.empty()) << "Could not load input image " << testImagePath;
+    cvtColor(testImg, testImg, COLOR_BGR2RGB);
+    testImg.convertTo(testImg, CV_32F, 1.0 / 255.0f);
+
+    //Use the model for structured edge detection that is already provided in opencv_extra.
+    cv::String model_path = cvtest::TS::ptr()->get_data_path() + "cv/ximgproc/" + "model.yml.gz";
+    Ptr<StructuredEdgeDetection> sed = createStructuredEdgeDetection(model_path);
+    Mat edgeImage, edgeOrientations;
+    sed->detectEdges(testImg, edgeImage);
+    sed->computeOrientation(edgeImage, edgeOrientations);
+
+    //Obtain one proposal and its score from Edgeboxes.
+    Ptr<EdgeBoxes> edgeboxes = createEdgeBoxes();
+    edgeboxes->setMaxBoxes(1);
+    edgeboxes->getBoundingBoxes(edgeImage, edgeOrientations, boxes, scores);
+
+    //We asked for one proposal and thus one score, we better get one back only.
+    ASSERT_TRUE(boxes.size() == 1);
+    ASSERT_TRUE(scores.size() == 1);
+
+    //Check the proposal and its score.
+    EXPECT_NEAR(scores[0], expectedScore, 1e-8);
+    EXPECT_EQ(expectedProposal.x, boxes[0].x);
+    EXPECT_EQ(expectedProposal.y, boxes[0].y);
+    EXPECT_EQ(expectedProposal.height, boxes[0].height);
+    EXPECT_EQ(expectedProposal.width, boxes[0].width);
+}
+
+}} // namespace