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29,830 questions
Tagged
293
views
no
answers
no
votes
2019-09-27 16:05:37 -0600
frengo
AgeGender example of learnopencv blog
learnopencv
dnn
2k
views
1
answer
no
votes
2020-04-08 15:28:04 -0600
noshky
SolvePNP_P3P doesn't work for 4 points. Please help.
solvePnP
extrinsic
P3P
calibration
CV_64F
1k
views
1
answer
1
vote
2019-09-30 07:30:22 -0600
quinch
android : Blur detection using OpenCV
android
opencv
blur
laplacian
209
views
1
answer
1
vote
2019-09-27 04:54:52 -0600
Watol
Going beyond the documentation
python
documentation
help
1k
views
1
answer
no
votes
2019-09-27 03:57:57 -0600
Isath
Reprojectimageto3d output
opencv
python
reprojectImageTo3D
7k
views
1
answer
1
vote
2019-09-27 02:39:21 -0600
berak
SimpleBlobDetector crashes silently
python
simpleblobdetector
296
views
1
answer
no
votes
2019-09-27 00:35:38 -0600
berak
Curious as to why keypoints in video of static room seem to come and go
SIFT
735
views
no
answers
no
votes
2019-09-26 16:42:39 -0600
dsweeney
Convert RGB/A Mat to YCbCr Y Plane and CbCr Plane
cvCvtColor
RGB
RGBtoYCBCR
510
views
no
answers
no
votes
2019-09-27 07:31:37 -0600
supra56
android opencv imdecode returns empty Mat!
android#
375
views
no
answers
no
votes
2019-09-26 12:20:27 -0600
Jong
A typo in the page of 'Camera Calibration and 3D Reconstruction'
webpage
5k
views
no
answers
2
votes
2019-09-26 11:26:01 -0600
Jong
There is a bad link in 'Help and Feedback' section
website
984
views
no
answers
no
votes
2019-09-26 10:18:57 -0600
Gandalf2019
linking opencv4.1.0 with code::blocks on Jetson nano
opencv4.1
codeblocks
Linking
1k
views
1
answer
no
votes
2019-09-26 08:56:49 -0600
Hmeagel
Can't set resolution and FPS during capturing and recording Logitech C920
c++
codec
fps
logitech
c920
365
views
no
answers
no
votes
2019-09-26 11:38:11 -0600
supra56
detecing hough lines on holistically nested edged image
image-processing
documentscanner
python
1k
views
no
answers
1
vote
2019-09-26 03:37:00 -0600
aditya_mangalampalli
Performance of OpenCV DNN vs Tensorflow Lite
android
opencv
tensorflow
neural_network
674
views
no
answers
no
votes
2019-09-26 03:04:05 -0600
saurabh162
How to find and save coordinates of squares in chess board [closed]
edgedetection
1k
views
1
answer
no
votes
2019-09-27 10:17:38 -0600
Kitnos
Problem Adding a mask to video frames
c++
Video
rectangle
copyTo
3k
views
no
answers
no
votes
2019-09-25 08:06:33 -0600
Crypto
opencv2/core.hpp: no such file or directory
c++
opencv
compile-errors
Eclipse
100
views
no
answers
1
vote
2019-09-25 05:17:16 -0600
Martian
Worthwhile to build with Halide for Intel x64?
halide
LLVM
7k
views
no
answers
no
votes
2019-09-25 04:37:42 -0600
ankitcodes
recognizer = cv2.face.LBPHFaceRecognizer_create() AttributeError: module 'cv2.cv2' has no attribute 'face' in pycharm 2018 and using opencv2
opencvpython
160
views
no
answers
no
votes
2019-09-25 04:03:58 -0600
Vizier87
Exodus to OpenCV 4 issues
opencv4
1k
views
no
answers
no
votes
2019-09-25 03:33:19 -0600
supra56
Unable to open the output.mp4 file using vlc or Quick time player in MAC OS Mojave : Duration of file is 00:00
opencv
Ouputfile
741
views
1
answer
no
votes
2019-09-25 07:10:10 -0600
supra56
libjpg vs libjpg8, libpng vs libpng12, etc
libjpg
libtiff
libpng
libjasper
2k
views
no
answers
no
votes
2019-09-24 15:56:21 -0600
alvin
Compile error: fatal error: opencv2/dnn/dnn.hpp: No such file or directory
dnn
compile
error
1k
views
1
answer
no
votes
2019-10-01 15:17:01 -0600
lesauxvi
efficiently fill cv::Mat
c++
opencv4
binary
file
213
views
1
answer
no
votes
2019-09-24 10:53:58 -0600
LBerger
Unhandled exception on accessing pixel data in OpenCV
unhandled-exception
1k
views
1
answer
no
votes
2019-09-27 03:12:04 -0600
Jorge Diaz
Segment color regions
opencv
python
imageprocessing
Color
watershed
1k
views
1
answer
no
votes
2019-09-25 08:51:36 -0600
CV
How to extract palm lines?
linedetection
829
views
no
answers
no
votes
2019-09-24 08:04:31 -0600
bartley
How to find the true corner points of a binary object for robot object following purposes
machine-vision
contours
Bounding_Box
corners
1k
views
no
answers
no
votes
2019-09-24 02:23:14 -0600
daqs
Use mask in opencv to detect color similarity
c++
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