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modules/features2d/misc/java/test/BOWImgDescriptorExtractorTest.java
48 строк
2 KB
Alexander Smorkalov
Added Java bindings for BOWImgDescriptorExtractor constructor.
31 окт 2023, 11:23
31 окт 2023, 11:23
bd565df
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package org.opencv.test.features2d; import org.opencv.core.Core; import org.opencv.core.CvType; import org.opencv.core.Mat; import org.opencv.core.MatOfKeyPoint; import org.opencv.core.Point; import org.opencv.core.Scalar; import org.opencv.core.KeyPoint; import org.opencv.features2d.ORB; import org.opencv.features2d.DescriptorMatcher; import org.opencv.features2d.BOWImgDescriptorExtractor; import org.opencv.test.OpenCVTestCase; import org.opencv.test.OpenCVTestRunner; import org.opencv.imgproc.Imgproc; public class BOWImgDescriptorExtractorTest extends OpenCVTestCase { ORB extractor; DescriptorMatcher matcher; int matSize; public static void assertDescriptorsClose(Mat expected, Mat actual, int allowedDistance) { double distance = Core.norm(expected, actual, Core.NORM_HAMMING); assertTrue("expected:<" + allowedDistance + "> but was:<" + distance + ">", distance <= allowedDistance); } private Mat getTestImg() { Mat cross = new Mat(matSize, matSize, CvType.CV_8U, new Scalar(255)); Imgproc.line(cross, new Point(20, matSize / 2), new Point(matSize - 21, matSize / 2), new Scalar(100), 2); Imgproc.line(cross, new Point(matSize / 2, 20), new Point(matSize / 2, matSize - 21), new Scalar(100), 2); return cross; } @Override protected void setUp() throws Exception { super.setUp(); extractor = ORB.create(); matcher = DescriptorMatcher.create(DescriptorMatcher.BRUTEFORCE); matSize = 100; } public void testCreate() { BOWImgDescriptorExtractor bow = new BOWImgDescriptorExtractor(extractor, matcher); } }