vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
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+/*
+By downloading, copying, installing or using the software you agree to this
+license. If you do not agree to this license, do not download, install,
+copy or use the software.
+                          License Agreement
+               For Open Source Computer Vision Library
+                       (3-clause BSD License)
+Copyright (C) 2013, OpenCV Foundation, all rights reserved.
+Third party copyrights are property of their respective owners.
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+  * Redistributions of source code must retain the above copyright notice,
+    this list of conditions and the following disclaimer.
+  * Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions and the following disclaimer in the documentation
+    and/or other materials provided with the distribution.
+  * Neither the names of the copyright holders nor the names of the contributors
+    may be used to endorse or promote products derived from this software
+    without specific prior written permission.
+This software is provided by the copyright holders and contributors "as is" and
+any express or implied warranties, including, but not limited to, the implied
+warranties of merchantability and fitness for a particular purpose are
+disclaimed. In no event shall copyright holders or contributors be liable for
+any direct, indirect, incidental, special, exemplary, or consequential damages
+(including, but not limited to, procurement of substitute goods or services;
+loss of use, data, or profits; or business interruption) however caused
+and on any theory of liability, whether in contract, strict liability,
+or tort (including negligence or otherwise) arising in any way out of
+the use of this software, even if advised of the possibility of such damage.
+*/
+
+
+#include "opencv2/ximgproc/segmentation.hpp"
+#include "opencv2/highgui.hpp"
+#include "opencv2/core.hpp"
+#include "opencv2/imgproc.hpp"
+#include <iostream>
+#include <ctime>
+
+using namespace cv;
+using namespace cv::ximgproc::segmentation;
+
+static void help() {
+    std::cout << std::endl <<
+    "A program demonstrating the use and capabilities of a particular image segmentation algorithm described" << std::endl <<
+    " in Jasper R. R. Uijlings, Koen E. A. van de Sande, Theo Gevers, Arnold W. M. Smeulders: " << std::endl <<
+    "                       \"Selective Search for Object Recognition\"" << std::endl <<
+    "International Journal of Computer Vision, Volume 104 (2), page 154-171, 2013" << std::endl << std::endl <<
+    "Usage:" << std::endl <<
+    "./selectivesearchsegmentation_demo input_image (single|fast|quality)" << std::endl <<
+    "Use a to display less rects, d to display more rects, q to quit" << std::endl;
+}
+
+
+int main(int argc, char** argv) {
+
+    if (argc < 3) {
+        help();
+        return -1;
+    }
+
+    Mat img = imread(argv[1]);
+
+    Ptr<SelectiveSearchSegmentation> gs = createSelectiveSearchSegmentation();
+    gs->setBaseImage(img);
+
+    if (argv[2][0] == 's') {
+        gs->switchToSingleStrategy();
+    } else if (argv[2][0] == 'f') {
+        gs->switchToSelectiveSearchFast();
+    } else if (argv[2][0] == 'q') {
+        gs->switchToSelectiveSearchQuality();
+    } else {
+        help();
+        return -2;
+    }
+
+    std::vector<Rect> rects;
+    gs->process(rects);
+
+    int nb_rects = 10;
+
+    char c = (char)waitKey();
+
+    while(c != 'q') {
+
+        Mat wimg = img.clone();
+
+        int i = 0;
+
+        for(std::vector<Rect>::iterator it = rects.begin(); it != rects.end(); ++it) {
+            if (i++ < nb_rects) {
+                rectangle(wimg, *it, Scalar(0, 0, 255));
+            }
+        }
+
+        imshow("Output", wimg);
+        c = (char)waitKey();
+
+        if (c == 'd') {
+            nb_rects += 10;
+        }
+
+        if (c == 'a' && nb_rects > 10) {
+            nb_rects -= 10;
+        }
+    }
+
+    return 0;
+}