Questions - OpenCV Q&A Forum

878

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2020-04-30 09:28:43 -0600 adept

Cuda ORB GpuMat assertion failed

2k

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1

answer

-1

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2020-04-30 08:56:51 -0600 supra56

How to count if circle (cv2.circle) cross the line (cv2.line)

174

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no

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2020-04-30 04:16:32 -0600 robertsmith17

How to Install OpenCV on Windows 10?

Windows10

884

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no

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2020-04-30 01:43:41 -0600 berak

How to do multi level thresholding

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2020-04-29 16:36:52 -0600 costeecon

write a video file opencv pycharm mp4

619

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1

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2020-04-29 15:09:14 -0600 ahmed-zubair

Merge Mertens taking much longer on C++ than on Python on same set of images

2k

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1

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-1

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2020-04-29 10:48:37 -0600 Nagarjuna

How to Convert Mat to ArrayList<Point> Java

opencv

528

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2020-04-29 09:52:02 -0600 Emanuel Ferreira

Failing to use IE Backend (Compiling CV with IE)

29k

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4

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9

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2020-04-29 09:38:59 -0600 wpalfi

how do you plot graphs in opencv projects?

314

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2020-04-29 09:00:39 -0600 supra56

how to measure an object?

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2020-04-29 08:52:27 -0600 santo4_opencv

Feeding image input to OpenCV DNN using cv2.dnn.blobFromImage()

488

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2020-04-29 07:03:48 -0600 blubbaer

ROI with stereo calibration

2k

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1

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2020-04-29 07:03:17 -0600 supra56

CMake static link ffmpeg for build shared libraries

cmake
ffmpeg

203

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1

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no

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2020-04-29 05:48:35 -0600 mrAndersen

matchTemplate multiple objects, false positive

matchTemplate

1k

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1

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no

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2020-04-29 05:43:59 -0600 berak

Selecting GUI backends

346

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2020-04-28 17:41:28 -0600 AndrakoValle

How to train more accurate Haar Cascades?

247

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1

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2020-04-28 14:59:21 -0600 superfly

sample v for inclusion in parametric equation

96

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2020-04-28 13:03:19 -0600 superfly

4 x 4 or 3 x 4 format?

449

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1

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no

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2020-04-28 11:52:45 -0600 mvuori

Help with latency in video

6k

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1

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no

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2020-04-28 11:28:50 -0600 cudawarped

OpenCV CUDA backend

695

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1

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no

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2020-04-28 10:35:54 -0600 berak

order of -lopencv_core -lopencv_highgui -lopencv_photo -lopencv_videoio -lopencv_imgproc -lopencv_calib3

674

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no

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2020-04-28 10:34:45 -0600 Josvds

Docker build fails on docker hub

299

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1

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2020-04-28 10:26:16 -0600 berak

Version OpenCV in combination Visual Studio .NET 3.5 and C# ? [closed]

1k

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no

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2020-04-28 09:02:01 -0600 andrei186

linker and different versions of shared libraries

537

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1

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no

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2020-04-28 05:59:54 -0600 berak

Offloading ANN GEMM operations to GPU

453

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no

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2020-04-28 02:13:05 -0600 Hibiki

I cannot run opencv_traincascade.exe (Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.)

1k

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no

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2020-04-28 02:07:38 -0600 researcher_0815

Identify x,y-coordinates of white pixel in binary image in c# [closed]

450

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no

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2020-04-28 01:28:33 -0600 stiv-yakovenko

invalid use of incomplete type struct cv::DefaultDeleter<CvHaarClassifierCascade>

11k

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1

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no

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2020-04-27 15:39:25 -0600 slalomchip

Reliable Video Capture in OpenCV from USB Video Capture Devices

3k

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2

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no

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2020-04-27 13:31:22 -0600 ademmler

29,830 questions

Cuda ORB GpuMat assertion failed

How to count if circle (cv2.circle) cross the line (cv2.line)

How to Install OpenCV on Windows 10?

How to do multi level thresholding

write a video file opencv pycharm mp4

Merge Mertens taking much longer on C++ than on Python on same set of images

How to Convert Mat to ArrayList<Point> Java

Failing to use IE Backend (Compiling CV with IE)

how do you plot graphs in opencv projects?

how to measure an object?

Feeding image input to OpenCV DNN using cv2.dnn.blobFromImage()

ROI with stereo calibration

CMake static link ffmpeg for build shared libraries

matchTemplate multiple objects, false positive

Selecting GUI backends

How to train more accurate Haar Cascades?

sample v for inclusion in parametric equation

4 x 4 or 3 x 4 format?

Help with latency in video

OpenCV CUDA backend

order of -lopencv_core -lopencv_highgui -lopencv_photo -lopencv_videoio -lopencv_imgproc -lopencv_calib3

Docker build fails on docker hub

Version OpenCV in combination Visual Studio .NET 3.5 and C# ? [closed]

linker and different versions of shared libraries

Offloading ANN GEMM operations to GPU

I cannot run opencv_traincascade.exe (Train dataset for temp stage can not be filled. Branch training terminated. Cascade classifier can't be trained. Check the used training parameters.)

Identify x,y-coordinates of white pixel in binary image in c# [closed]

invalid use of incomplete type struct cv::DefaultDeleter<CvHaarClassifierCascade>

Reliable Video Capture in OpenCV from USB Video Capture Devices

How to set/get camera properties on Mac OS X

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