Questions - OpenCV Q&A Forum

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2019-11-30 11:19:34 -0600 Kitnos

Knn for keypoints and descriptors of SIFT

207

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2017-07-10 12:17:41 -0600 gfx

C++ opencv3 no ideas how to divide these thresholded image

207

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2015-01-10 11:49:59 -0600 sup

What happens if public Mat onCameraFrame(CvCameraViewFrame inputFrame) is called when the activity is still busy processing another frame ?

AndroidOpenCV

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3

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2016-12-01 21:26:22 -0600 ipesanz

Quality control system for eraser factory

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2014-01-26 06:45:58 -0600 Lomba1986

Problem with dll in opencv2.4.8 and visual studio 2010

1k

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-1

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2016-12-20 13:25:07 -0600 Nikolaos

Losing alpha channel when passing from Unity to OpenCV?

unity3d

366

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2020-01-27 05:48:23 -0600 pitchaimuthu321

How to work with leaf disease detection Need a Help openCV

157

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2014-02-28 10:27:14 -0600 OCROpen

ocr using svm

funny

386

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1

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2016-07-27 08:01:50 -0600 xMonty

Obstructed Rectangle Detection

2k

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5

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2017-01-10 10:18:38 -0600 Fnoop

Interactive calibration frame rejected

45

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-1

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2014-04-21 11:40:20 -0600 dragonpro

print message,different pixels in image

framesstablemovement

154

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2018-11-13 06:19:58 -0600 LBerger

FLIR dev kit camera screen has stopped

MobileNetSSD

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2015-10-03 07:02:41 -0600 gokulRaja

cv2.findContours error: (-215) step[dims-1] == (size_t)CV_ELEM_SIZE(flags) in function cv::Mat::create

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2018-08-21 15:46:41 -0600 Alessio

Camera calibration With OpenCV - tutorial

calibration

1k

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2018-08-24 04:43:33 -0600 Samjith888

Error : assertion failed (depth ==5 || depth==6) in cv::pow,fill c:\opencv\...\mathfuncs.cpp

121

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2015-03-07 10:05:10 -0600 Andrea

How to group Lucas Kanade features

4k

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1

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2015-08-26 08:24:32 -0600 Deepak Kumar

Find angle and rotation of point

815

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-2

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2016-08-24 22:01:57 -0600 op

What versions of Opencv are compatible with Visual Studio 2015?

visual2015

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2018-04-25 17:26:57 -0600 niwkazex

How to add compiler flags to some auto-generated cpp files in the CMake process?

197

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2017-12-06 14:35:36 -0600 Humam Helfawi

Build OpenCV with specific version of flann

flann

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no

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2016-08-06 18:23:20 -0600 gregoireg

Distortion camera matrix from real data

1k

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1

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2015-06-11 02:57:54 -0600 Zeno

how to use CV_CALIB_USE_INTRINSIC_GUESS in calibrateCamera

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2019-03-09 17:11:35 -0600 AlokSharma

HSV values of a pixel in OpenCV

526

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2017-05-26 02:15:15 -0600 _zen_

Is cuda::detectMultiScale method thread safe for Cuda?

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2015-06-24 07:13:08 -0600 AyBee

OpenCV 3.0- Exception when trying to open monochrome tiff

tiff

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2020-07-28 09:04:27 -0600 askl1278

Connection between pose estimation, epipolar geometry and depth map

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2017-09-21 07:54:35 -0600 Jie

undefined reference to `XRRFreeMonitors'

XRRFreeMonitors

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2017-08-16 02:19:41 -0600 Datz14

How to improve calibration results with findCirclesGrid

88

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2018-09-29 07:50:04 -0600 A31

Concept Question: Use OpenCV directly on Raspberry Pi or on stronger PC

171

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2016-07-06 16:47:39 -0600 Tech

12,357 questions

Knn for keypoints and descriptors of SIFT

C++ opencv3 no ideas how to divide these thresholded image

What happens if public Mat onCameraFrame(CvCameraViewFrame inputFrame) is called when the activity is still busy processing another frame ?

Quality control system for eraser factory

Problem with dll in opencv2.4.8 and visual studio 2010

Losing alpha channel when passing from Unity to OpenCV?

How to work with leaf disease detection Need a Help openCV

ocr using svm

Obstructed Rectangle Detection

Interactive calibration frame rejected

print message,different pixels in image

FLIR dev kit camera screen has stopped

cv2.findContours error: (-215) step[dims-1] == (size_t)CV_ELEM_SIZE(flags) in function cv::Mat::create

Camera calibration With OpenCV - tutorial

Error : assertion failed (depth ==5 || depth==6) in cv::pow,fill c:\opencv\...\mathfuncs.cpp

How to group Lucas Kanade features

Find angle and rotation of point

What versions of Opencv are compatible with Visual Studio 2015?

How to add compiler flags to some auto-generated cpp files in the CMake process?

Build OpenCV with specific version of flann

Distortion camera matrix from real data

how to use CV_CALIB_USE_INTRINSIC_GUESS in calibrateCamera

HSV values of a pixel in OpenCV

Is cuda::detectMultiScale method thread safe for Cuda?

OpenCV 3.0- Exception when trying to open monochrome tiff

Connection between pose estimation, epipolar geometry and depth map

undefined reference to `XRRFreeMonitors'

How to improve calibration results with findCirclesGrid

Concept Question: Use OpenCV directly on Raspberry Pi or on stronger PC

OpenCV Library Autocompile Script (Mac, Win & Linux)

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