Questions - OpenCV Q&A Forum

100

views

no

answers

no

votes

2020-03-16 16:59:12 -0600 TigerHwang

OCL device memory leak

memoryleak

2k

views

no

answers

no

votes

2020-03-17 03:29:00 -0600 berak

Need to mask the region of interest from RGB image

roi

95

views

no

answers

no

votes

2020-03-17 09:05:40 -0600 SylvainArd

measure the " indentation " of a leaf

measure

398

views

no

answers

no

votes

2020-03-19 06:35:23 -0600 berak

Enable flash camera

619

views

no

answers

no

votes

2020-03-19 14:28:12 -0600 jonmoore

Undeclared identifier '_SC_NPROCESSORS_ONLN'

4k

views

no

answers

no

votes

2020-03-20 05:18:49 -0600 berak

#include <opencv2/opencv.hpp> (and others) don't work

1k

views

no

answers

no

votes

2020-03-20 04:28:30 -0600 sreevathsabr

Need find Convex Hull in Python for already found Convex Hull point , draw outer most Convex Hull and get it's X and Y co-ordinates

convexHull

288

views

no

answers

no

votes

2020-03-20 06:33:40 -0600 AlexBn

CUDA GoodFeaturesToTrackDetector is not ThreadSafe ?

CUDA

482

views

no

answers

no

votes

2020-03-20 09:49:11 -0600 floka

Smooth moment movement

opencv

90

views

no

answers

no

votes

2020-03-20 10:21:08 -0600 NL37

Handle Mat image in GPU

Mat_Image_GPU

242

views

no

answers

no

votes

2020-03-20 11:58:21 -0600 SylvainArd

keypoints detection

704

views

no

answers

no

votes

2020-03-21 05:27:34 -0600 martiabr

onCameraViewStarted and onCameraFrame never called - black view

android

1k

views

no

answers

no

votes

2020-03-21 13:26:55 -0600 Suom

world coordinates to camera coordinates to pixel coordinates cv::projectpoints

cv2.projectPoints

69

views

no

answers

no

votes

2020-03-21 21:52:45 -0600 AnonBerk

Detecting hand in front of face (occlusion)

Occlusion

1k

views

no

answers

no

votes

2020-03-22 07:20:59 -0600 supra56

hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)

opencv_python

291

views

no

answers

no

votes

2020-03-22 07:39:16 -0600 Suom

cv::Mat initialization

Mat

185

views

no

answers

no

votes

2020-03-22 11:54:15 -0600 andrei186

opencv/build/lib vs installation/OpenCV-3.4/lib/

lib

191

views

no

answers

no

votes

2020-03-23 03:00:33 -0600 sagar_007

creation of csv file for face recognition in c++

c++
opencv

612

views

no

answers

no

votes

2020-03-23 05:01:58 -0600 micmac

Trying to match color template with cv::ximgproc::colorMatchTemplate()

1k

views

no

answers

no

votes

2020-03-23 20:35:27 -0600 jonathanlvaldez

Input video capture ffmpeg flags (OpenCV-Python)

1k

views

no

answers

no

votes

2020-03-23 21:15:18 -0600 jonathanlvaldez

OpenCV DNN with CUDA built from source (for arch bin < 5.3)

1k

views

no

answers

no

votes

2020-03-24 07:33:50 -0600 supra56

Complied from source - ubuntu/python - error librsvg-2.so.2: undefined symbol: cairo_tag_end

5k

views

no

answers

no

votes

2020-03-24 07:51:14 -0600 supra56

Imwrite saves images as black .

359

views

no

answers

no

votes

2020-03-24 07:03:18 -0600 supra56

imread working in py but working in ipynb

1k

views

no

answers

no

votes

2020-03-24 07:49:01 -0600 supra56

OpenCV 4.2.0 C++ - H264 Encoding

video#c++#opencv

858

views

no

answers

no

votes

2020-03-24 10:21:07 -0600 andrei186

directory structure of OpenCV

911

views

no

answers

no

votes

2020-03-24 22:18:24 -0600 LightningStar

module 'cv2' has no attribute 'xfeatures2d'

3k

views

no

answers

no

votes

2020-03-25 06:10:20 -0600 snowmania

Meaning of rectified beforePoints for filterHomographyDecompByVisibleRefpoints()

decomposehomography

233

views

no

answers

no

votes

2020-03-25 08:19:10 -0600 Dronzer

Compiling custom cap_ffmpeg_impl.hpp

c++#opencv#ffmpeg

3k

views

no

answers

no

votes

2020-03-25 09:03:02 -0600 scanner_dev

Convert Normal Map to Displacement Map?

normal_map

12,357 questions

OCL device memory leak

Need to mask the region of interest from RGB image

measure the " indentation " of a leaf

Enable flash camera

Undeclared identifier '_SC_NPROCESSORS_ONLN'

#include <opencv2/opencv.hpp> (and others) don't work

Need find Convex Hull in Python for already found Convex Hull point , draw outer most Convex Hull and get it's X and Y co-ordinates

CUDA GoodFeaturesToTrackDetector is not ThreadSafe ?

Smooth moment movement

Handle Mat image in GPU

keypoints detection

onCameraViewStarted and onCameraFrame never called - black view

world coordinates to camera coordinates to pixel coordinates cv::projectpoints

Detecting hand in front of face (occlusion)

hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)

cv::Mat initialization

opencv/build/lib vs installation/OpenCV-3.4/lib/

creation of csv file for face recognition in c++

Trying to match color template with cv::ximgproc::colorMatchTemplate()

Input video capture ffmpeg flags (OpenCV-Python)

OpenCV DNN with CUDA built from source (for arch bin < 5.3)

Complied from source - ubuntu/python - error librsvg-2.so.2: undefined symbol: cairo_tag_end

Imwrite saves images as black .

imread working in py but working in ipynb

OpenCV 4.2.0 C++ - H264 Encoding

directory structure of OpenCV

module 'cv2' has no attribute 'xfeatures2d'

Meaning of rectified beforePoints for filterHomographyDecompByVisibleRefpoints()

Compiling custom cap_ffmpeg_impl.hpp

Convert Normal Map to Displacement Map?

Links

Contributors

Tags