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12,357 questions
Tagged
456
views
no
answers
no
votes
2019-09-21 17:01:47 -0600
paulino
Calib3d.undistort - OpenCV(3.4.0-dev) Error: Assertion failed (distorted.type()
android
opencv
camera
calibration
166
views
no
answers
no
votes
2019-09-22 08:10:33 -0600
vom
extracting already labelled objects
connectedComponents
c++opencv
91
views
no
answers
no
votes
2019-09-23 21:00:26 -0600
g9164313
Question for BackgroundSubtractorGMG
GMG
1k
views
no
answers
no
votes
2019-09-23 04:38:09 -0600
teshansj
OpenCV dnn, OpenCL and Nvidia graphic cards
opencv4
opencv4.1
nvidia
dnn
cuDNN
libopencl
482
views
no
answers
no
votes
2019-09-23 09:55:54 -0600
OpenCV_learner
Help needed in understanding the datatype of the input argument to the function cv2.getPerspectiveTransform in python
FindContour
perspectiveTransform
1k
views
no
answers
no
votes
2019-09-30 17:49:11 -0600
jjsword
unpack 12 bit mono images
hamamatsu
orca
unpack
12bit
215
views
no
answers
no
votes
2019-09-23 14:16:43 -0600
frank95
Need precise cuts for my application
python
opencv
pillow
feature
matching
SIFT
122
views
no
answers
no
votes
2019-09-23 16:43:58 -0600
DZ3264
morphologyEx with MORPH_OPEN give me reverse image result
Erosion
dilation
dilation_erosion
cvMorphologyExogy
filter
262
views
no
answers
no
votes
2019-09-23 23:57:34 -0600
brem
VideoWriter write hangs
videowriter
drawcontour
76
views
no
answers
no
votes
2019-09-24 01:06:42 -0600
knox007
how can i get the point from contour?
InflectionPoint
1k
views
no
answers
no
votes
2019-09-24 02:23:14 -0600
daqs
Use mask in opencv to detect color similarity
c++
830
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
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
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
160
views
no
answers
no
votes
2019-09-25 04:03:58 -0600
Vizier87
Exodus to OpenCV 4 issues
opencv4
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
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
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
985
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
376
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
516
views
no
answers
no
votes
2019-09-27 07:31:37 -0600
supra56
android opencv imdecode returns empty Mat!
android#
736
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
293
views
no
answers
no
votes
2019-09-27 16:05:37 -0600
frengo
AgeGender example of learnopencv blog
learnopencv
dnn
1k
views
no
answers
-1
votes
2019-09-30 13:55:31 -0600
sharmila
How to save openCV as a pickle file?
save
1k
views
no
answers
no
votes
2019-09-27 22:29:39 -0600
vasanthahr
How to load any of this tracking algorithm in opencvjs(BOOSTING, MIL, KCF, TLD, MEDIANFLOW, GOTURN, MOSSE or CSRT)
opencvjs
c++
opencv
python
1k
views
no
answers
no
votes
2019-09-28 07:11:42 -0600
Walshie1987
RTSP OpenCV Too Short Data and other errors
rtsp
523
views
no
answers
no
votes
2019-09-28 09:39:31 -0600
ak1
getoptimalnewcameramatrix function for omndirectional camera?
stereo-calibration
stereorectify
Rectification
omnidirectional
83
views
no
answers
no
votes
2019-09-29 12:18:32 -0600
dtx0908
Building OpenCV for 32 bit codeblocks giving error in mingw32-make
opencv
codeblocks
1k
views
no
answers
no
votes
2019-09-30 06:06:35 -0600
Martian
Build OpenCV 4 with reference to Anaconda 'environment'
anaconda
environment
162
views
no
answers
no
votes
2019-09-30 19:10:43 -0600
esleidera
opencv_traincascade finish without cascade.xml file
haartraining
opencv_traincascacde
crash
training
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