| /external/opencv3/doc/tutorials/imgproc/imgtrans/canny_detector/ |
| D | canny_detector.markdown | 1 Canny Edge Detector {#tutorial_canny_detector}
9 - Use the OpenCV function @ref cv::Canny to implement the Canny Edge Detector.
14 The *Canny Edge detector* was developed by John F. Canny in 1986. Also known to many as the
15 *optimal detector*, Canny algorithm aims to satisfy three main criteria:
55 -# *Hysteresis*: The final step. Canny does use two thresholds (upper and lower):
62 Canny recommended a *upper*:*lower* ratio between 2:1 and 3:1.
70 - Asks the user to enter a numerical value to set the lower threshold for our *Canny Edge
72 - Applies the *Canny Detector* and generates a **mask** (bright lines representing the edges
99 Canny function)
122 -# Create a Trackbar for the user to enter the lower threshold for our Canny detector:
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| /external/opencv3/modules/imgproc/test/ocl/ |
| D | test_canny.cpp | 61 PARAM_TEST_CASE(Canny, Channels, AppertureSize, L2gradient, UseRoi) in IMPLEMENT_PARAM_CLASS()
97 OCL_TEST_P(Canny, Accuracy) in OCL_TEST_P() argument
108 OCL_OFF(cv::Canny(src_roi, dst_roi, low_thresh, high_thresh, apperture_size, useL2gradient)); in OCL_TEST_P()
109 OCL_ON(cv::Canny(usrc_roi, udst_roi, low_thresh, high_thresh, apperture_size, useL2gradient)); in OCL_TEST_P()
115 OCL_INSTANTIATE_TEST_CASE_P(ImgProc, Canny, testing::Combine(
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| D | test_houghlines.cpp | 61 Canny(img, src, 100, 150, 3); in PARAM_TEST_CASE()
130 Canny(img, src, 50, 200, 3); in PARAM_TEST_CASE()
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| /external/opencv3/modules/cudaimgproc/test/ |
| D | test_canny.cpp | 58 PARAM_TEST_CASE(Canny, cv::cuda::DeviceInfo, AppertureSize, L2gradient, UseRoi) in PARAM_TEST_CASE() argument
76 CUDA_TEST_P(Canny, Accuracy) in CUDA_TEST_P() argument
90 cv::Canny(img, edges_gold, low_thresh, high_thresh, apperture_size, useL2gradient); in CUDA_TEST_P()
95 INSTANTIATE_TEST_CASE_P(CUDA_ImgProc, Canny, testing::Combine(
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| /external/opencv3/doc/py_tutorials/py_imgproc/py_canny/ |
| D | py_canny.markdown | 1 Canny Edge Detection {#tutorial_py_canny}
9 - Concept of Canny edge detection
10 - OpenCV functions for that : **cv2.Canny()**
15 Canny Edge Detection is a popular edge detection algorithm. It was developed by John F. Canny in
72 Canny Edge Detection in OpenCV
75 OpenCV puts all the above in single function, **cv2.Canny()**. We will see how to use it. First
87 edges = cv2.Canny(img,100,200)
103 -# Canny edge detector at [Wikipedia](http://en.wikipedia.org/wiki/Canny_edge_detector)
104 -# [Canny Edge Detection Tutorial](http://dasl.mem.drexel.edu/alumni/bGreen/www.pages.drexel.edu/_…
110 -# Write a small application to find the Canny edge detection whose threshold values can be varied
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| /external/opencv3/modules/cudaimgproc/perf/ |
| D | perf_canny.cpp | 54 PERF_TEST_P(Image_AppertureSz_L2gradient, Canny,
84 TEST_CYCLE() cv::Canny(image, dst, low_thresh, high_thresh, apperture_size, useL2gradient);
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| D | perf_hough.cpp | 149 cv::Canny(image, mask, 50, 100);
243 cv::Canny(image, edges, 50, 100); in PERF_TEST_P()
312 cv::Canny(image, edges, 50, 100); in PERF_TEST_P()
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| /external/opencv3/doc/tutorials/introduction/windows_visual_studio_image_watch/ |
| D | windows_visual_studio_image_watch.markdown | 39 #include <opencv2/imgproc/imgproc.hpp> // cv::Canny()
50 << "image from a file and runs the Canny edge detector. " << endl
75 Canny(input, edges, 10, 100);
143 over the *cv::Canny()* call, you will see a thumbnail of the edge image appear in the image list.
145 Now assume you want to do a visual sanity check of the *cv::Canny()* implementation. Bring the
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| /external/opencv3/samples/python2/ |
| D | edge.py | 43 edge = cv2.Canny(gray, thrs1, thrs2, apertureSize=5)
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| D | distrans.py | 41 mark = cv2.Canny(img, thrs, 3*thrs)
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| D | houghlines.py | 18 dst = cv2.Canny(src, 50, 200)
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| D | squares.py | 23 bin = cv2.Canny(gray, 0, 50, apertureSize=5)
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| /external/opencv3/samples/cpp/tutorial_code/ImgTrans/ |
| D | CannyDetector_Demo.cpp | 37 Canny( detected_edges, detected_edges, lowThreshold, lowThreshold*ratio, kernel_size ); in CannyThreshold()
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| D | HoughLines_Demo.cpp | 53 Canny( src_gray, edges, 50, 200, 3 ); in main()
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| /external/opencv3/samples/cpp/ |
| D | lsd_lines.cpp | 29 Canny(image, image, 50, 200, 3); // Apply canny edge in main()
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| D | edge.cpp | 20 Canny(edge, edge, edgeThresh, edgeThresh*3, 3); in onTrackbar()
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| D | houghlines.cpp | 30 Canny(src, dst, 50, 200, 3); in main()
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| /external/opencv3/modules/imgproc/perf/ |
| D | perf_houghLines.cpp | 32 Canny(image, image, 0, 0);
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| D | perf_canny.cpp | 34 TEST_CYCLE() Canny(img, edges, thresh_low, thresh_high, aperture, useL2);
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| /external/opencv3/samples/cpp/tutorial_code/ShapeDescriptors/ |
| D | findContours_demo.cpp | 64 Canny( src_gray, canny_output, thresh, thresh*2, 3 ); in thresh_callback()
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| D | moments_demo.cpp | 59 Canny( src_gray, canny_output, thresh, thresh*2, 3 ); in thresh_callback()
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| /external/opencv3/samples/winrt_universal/VideoCaptureXAML/video_capture_xaml/video_capture_xaml.Shared/ |
| D | main.cpp | 122 Canny(edges, edges, 0, 30, 3); in cvFilterCanny()
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| /external/opencv3/samples/gpu/ |
| D | houghlines.cpp | 34 cv::Canny(src, mask, 100, 200, 3); in main()
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| /external/opencv3/modules/core/perf/opencl/ |
| D | perf_bufferpool.cpp | 102 Canny(src, dst, thresh_low, thresh_high, aperture, useL2); in OCL_PERF_TEST_P()
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| /external/opencv3/modules/imgproc/perf/opencl/ |
| D | perf_imgproc.cpp | 305 OCL_PERF_TEST_P(CannyFixture, Canny, ::testing::Combine(OCL_PERF_ENUM(3, 5), Bool()))
320 OCL_TEST_CYCLE() cv::Canny(img, edges, 50.0, 100.0, apertureSize, L2Grad);
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