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package org.opencv.test.aruco; |
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import java.util.ArrayList; |
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import java.util.List; |
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import org.opencv.test.OpenCVTestCase; |
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import org.opencv.core.Scalar; |
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import org.opencv.core.Mat; |
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import org.opencv.core.Size; |
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import org.opencv.core.CvType; |
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import org.opencv.aruco.*; |
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import org.opencv.objdetect.*; |
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public class ArucoTest extends OpenCVTestCase { |
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public void testDrawBoards() { |
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Dictionary dictionary = Objdetect.getPredefinedDictionary(Objdetect.DICT_4X4_50); |
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Mat point1 = new Mat(4, 3, CvType.CV_32FC1); |
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int row = 0, col = 0; |
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double squareLength = 40.; |
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point1.put(row, col, 0, 0, 0, |
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0, squareLength, 0, |
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squareLength, squareLength, 0, |
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0, squareLength, 0); |
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List<Mat>objPoints = new ArrayList<Mat>(); |
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objPoints.add(point1); |
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Mat ids = new Mat(1, 1, CvType.CV_32SC1); |
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ids.put(row, col, 0); |
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Board board = Board.create(objPoints, dictionary, ids); |
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Mat image = new Mat(); |
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board.draw(new Size(80, 80), image, 2); |
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assertTrue(image.total() > 0); |
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} |
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public void testArucoIssue3133() { |
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byte[][] marker = {{0,1,1},{1,1,1},{0,1,1}}; |
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Dictionary dictionary = Objdetect.extendDictionary(1, 3); |
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dictionary.set_maxCorrectionBits(0); |
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Mat markerBits = new Mat(3, 3, CvType.CV_8UC1); |
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for (int i = 0; i < 3; i++) { |
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for (int j = 0; j < 3; j++) { |
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markerBits.put(i, j, marker[i][j]); |
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} |
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} |
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Mat markerCompressed = Dictionary.getByteListFromBits(markerBits); |
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assertMatNotEqual(markerCompressed, dictionary.get_bytesList()); |
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dictionary.set_bytesList(markerCompressed); |
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assertMatEqual(markerCompressed, dictionary.get_bytesList()); |
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} |
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public void testArucoDetector() { |
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Dictionary dictionary = Objdetect.getPredefinedDictionary(0); |
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DetectorParameters detectorParameters = new DetectorParameters(); |
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ArucoDetector detector = new ArucoDetector(dictionary, detectorParameters); |
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Mat markerImage = new Mat(); |
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int id = 1, offset = 5, size = 40; |
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Objdetect.drawMarker(dictionary, id, size, markerImage, detectorParameters.get_markerBorderBits()); |
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Mat image = new Mat(markerImage.rows() + 2*offset, markerImage.cols() + 2*offset, |
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CvType.CV_8UC1, new Scalar(255)); |
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Mat m = image.submat(offset, size+offset, offset, size+offset); |
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markerImage.copyTo(m); |
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List<Mat> corners = new ArrayList(); |
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Mat ids = new Mat(); |
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detector.detectMarkers(image, corners, ids); |
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assertEquals(1, corners.size()); |
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Mat res = corners.get(0); |
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assertArrayEquals(new double[]{offset, offset}, res.get(0, 0), 0.0); |
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assertArrayEquals(new double[]{size + offset - 1, offset}, res.get(0, 1), 0.0); |
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assertArrayEquals(new double[]{size + offset - 1, size + offset - 1}, res.get(0, 2), 0.0); |
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assertArrayEquals(new double[]{offset, size + offset - 1}, res.get(0, 3), 0.0); |
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} |
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} |
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