Questions - OpenCV Q&A Forum

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2019-07-11 03:59:56 -0600 thewoz

find4QuadCornerSubpix vs cornerSubPix

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2019-07-11 07:55:42 -0600 ROSpioneer

cannot find -lopencv_gapi

c++
opencv

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2019-07-11 09:33:44 -0600 Dronzer

How to automatically find pattern size for Opencv Camera Calibration?

426

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2019-07-12 01:01:18 -0600 chinesestud

How to hash - Opencv matrix, lbph histogram? [closed]

381

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2019-07-12 03:37:27 -0600 berak

hierarchical clustering

615

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2019-07-15 01:54:14 -0600 vishnu021988

Unable to use convertTo function in opencv gpumat when the gpumat created with cudamallocmanaged

opencv
CUDA

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2019-07-12 08:59:03 -0600 the_phet

Python, when making a video it seems to ignore the set FPS

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2019-07-13 07:25:51 -0600 ifandroid

Play 360° video with openCV

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2019-07-13 04:42:27 -0600 supra56

How to decrease sensitivity when detecting objects in image. [closed]

175

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2019-07-12 21:13:30 -0600 nvmnghia

Cannot compile with MKL

cmake

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2019-07-13 02:50:06 -0600 Meysam Fard

Problem with compile opencv with cmake and mingw for android with x86, mips , … architectures

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2019-07-13 06:11:35 -0600 Kitnos

Classification method invariante to rotation and machine learning

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2019-07-13 11:53:26 -0600 luca123

information extraction from drug packaging

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2019-07-14 01:15:47 -0600 deeptech

i want to detect and count people when they comes inside in rectangle area in opencv caffemodel python

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2019-07-14 01:44:49 -0600 Olivia_Kelly

Errors in code execution Gstreamer

837

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2019-07-15 04:16:03 -0600 Griffin58

Saving a video from Tello Drone

python

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2019-07-15 06:54:07 -0600 MuratHp

Unresolved External Symbol error OpenCV Cuda

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2019-07-15 07:43:08 -0600 berak

Fringe Phase unwrapping

98

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2019-07-15 08:15:33 -0600 Faded.exe

Hi guys, am I supposed to use cameras or cmos sensors? [closed]

object-tracking

198

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2019-07-15 09:08:31 -0600 fzyzcjy

OpenCV 4.0 Android (NDK) With NEON: Why And Why Not?

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2019-07-15 14:54:41 -0600 adrianafani

I found 2 circles, I want to cut and save each circle into a different picture, how to do that in python? my code in link..

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2019-07-16 04:37:25 -0600 chibo

Overlapped contours of moments

cv.Moment

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2019-07-16 06:08:39 -0600 AntersBear

OpenCV.js binding issue for perspectiveTransform using Point2fVector as input

99

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2019-07-16 07:49:19 -0600 ali89

Opencv 2.4 with opencv 4.0

162

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2019-07-16 16:36:33 -0600 JeyP4

How to grow bright pixels in grey region?

region_growing

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2019-07-17 07:08:55 -0600 supra56

Mac camera fail to initialise

mac
camera

158

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2019-07-17 01:47:42 -0600 kildonggo

I made spectral entropy code , but strange.

3k

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2019-07-17 03:36:26 -0600 salvo88

CV2 installed, but Import cv2 on spyder gives an error

251

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2019-07-17 15:41:40 -0600 FriendlyViking

Issue when testing any openCV CUDA samples: /usr/local/lib/libopencv_cudaobjdetect.so: undefined reference to `cv::cuda::StreamAccessor::getStream(cv::cuda::Stream const&)'

CUDA
Jetson

325

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no

answers

-1

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2019-07-17 22:00:50 -0600 132ikl

29,830 questions

find4QuadCornerSubpix vs cornerSubPix

cannot find -lopencv_gapi

How to automatically find pattern size for Opencv Camera Calibration?

How to hash - Opencv matrix, lbph histogram? [closed]

hierarchical clustering

Unable to use convertTo function in opencv gpumat when the gpumat created with cudamallocmanaged

Python, when making a video it seems to ignore the set FPS

Play 360° video with openCV

How to decrease sensitivity when detecting objects in image. [closed]

Cannot compile with MKL

Problem with compile opencv with cmake and mingw for android with x86, mips , … architectures

Classification method invariante to rotation and machine learning

information extraction from drug packaging

i want to detect and count people when they comes inside in rectangle area in opencv caffemodel python

Errors in code execution Gstreamer

Saving a video from Tello Drone

Unresolved External Symbol error OpenCV Cuda

Fringe Phase unwrapping

Hi guys, am I supposed to use cameras or cmos sensors? [closed]

OpenCV 4.0 Android (NDK) With NEON: Why And Why Not?

I found 2 circles, I want to cut and save each circle into a different picture, how to do that in python? my code in link..

Overlapped contours of moments

OpenCV.js binding issue for perspectiveTransform using Point2fVector as input

Opencv 2.4 with opencv 4.0

How to grow bright pixels in grey region?

Mac camera fail to initialise

I made spectral entropy code , but strange.

CV2 installed, but Import cv2 on spyder gives an error

Issue when testing any openCV CUDA samples: /usr/local/lib/libopencv_cudaobjdetect.so: undefined reference to `cv::cuda::StreamAccessor::getStream(cv::cuda::Stream const&)'

Segmentation Fault when attempting to import cv2 in Python 3 [closed]

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