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29,830 questions
Tagged
2k
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answers
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votes
2018-11-06 14:27:08 -0600
SH13567890
Assertion Failed during opencv_createsamples
createsamples
cascadetrainings
149
views
no
answers
no
votes
2018-11-06 17:05:07 -0600
ander5991
source code opencv
c++
copencv
python
c++opencv
3.0.0
783
views
no
answers
no
votes
2018-11-07 03:20:26 -0600
hayley
Using calibrateCamera without Chessboard
android
calibrateCamera
withoutChessboard
225
views
no
answers
no
votes
2018-11-07 20:19:27 -0600
Jaewoo
Is there implicit limit for DNN input size of OpenCV Android?
android
caffe
android#dnn
forward
dnn
dnn.forward
220
views
no
answers
no
votes
2018-11-07 04:14:24 -0600
djamaleddine djeldjli
How can I read multiple images in Python presented in a folder? [closed]
image
imageprocessing
opencv
python
161
views
no
answers
no
votes
2018-11-07 05:05:36 -0600
gino0717
use SVD to find left inverse?
svd
727
views
no
answers
no
votes
2018-11-07 07:18:33 -0600
winatawelly
Inverse fourier result is black and full of white dots
javascript
fourier
cvDFT
dft
573
views
no
answers
no
votes
2018-11-07 10:46:10 -0600
CharlesFr
How to calculate pixel per mm ratio of microscope
calibration
615
views
no
answers
no
votes
2018-11-07 11:58:52 -0600
Aziz117
Error message when I try to run this code [closed]
camera
macos
2k
views
no
answers
no
votes
2018-11-08 04:48:34 -0600
berak
How to increase openpose fps with webcam
python
dnn
openpose
233
views
no
answers
no
votes
2018-11-08 02:42:33 -0600
SYeter
How to recognize maze to move on it with a drone.
maze
solving
pattern-matching
Pattern_recognition
recognition
1k
views
no
answers
no
votes
2018-11-08 05:37:51 -0600
adrianf0
[Python] VideoCaputre.release() and VIDIOC_DQBUF: Invalid argument [closed]
opencv
python
cv2.videocapture
126
views
no
answers
-1
votes
2018-11-08 09:59:45 -0600
Vladislav Mz
How to find wide white lines and leave only them? (images attached) [closed]
linedetection
threshold
python
clustering
183
views
no
answers
no
votes
2018-11-08 10:20:51 -0600
jay18395729
OpenCV 3.2 Multitracker Read Access Violation
multitracker
copyMakeBorder
access-violation
105
views
no
answers
no
votes
2018-11-08 10:55:34 -0600
Tyrone2142
why are the red rectangle areas not of the same size?
stereorectify
646
views
no
answers
no
votes
2018-11-09 01:28:42 -0600
Martian
State of the art in unsupervised image segmentation
segmentation
markov
CRF
585
views
no
answers
2
votes
2018-11-09 02:29:13 -0600
l.fabbrini
3D convolution for Deep Neural Network (DNN) module
dnn
conv3D
3d
3DConvolution
CNN
readNet
102
views
no
answers
no
votes
2018-11-09 02:35:11 -0600
Syntax134
Image diff for later reconstruction
absdiff
jpeg
Difference
1k
views
no
answers
no
votes
2018-11-09 07:08:25 -0600
CharlesFr
Run openCV application concurrently to main program
python
Concurrency
544
views
no
answers
no
votes
2018-11-09 06:58:36 -0600
mh.herrmann
Erroneous projection matrix due to stereoRectify() ?
stereo-calibration
projection
ros
522
views
no
answers
no
votes
2018-11-09 09:32:20 -0600
caiocanalli
Low accuracy of SVM on Android
SVM
cascadeclassifier
android
BOW
118
views
no
answers
no
votes
2018-11-09 17:05:49 -0600
zacdiggum
how to use dnn face detector in TF? [closed]
dnn
Facedetection
780
views
no
answers
-1
votes
2018-11-09 20:08:37 -0600
opencvddddd
c++, the scope of play Window, cv::namedWindow() and cv::imshow()
namedwindow
imshow
1k
views
no
answers
no
votes
2018-11-10 06:56:08 -0600
Riddle Aaron
Opencv_highgui seems that it can't find all the Qt libs. [closed]
qt
93
views
no
answers
no
votes
2018-11-10 07:27:58 -0600
samaysly
how to do template matching
templateMatch
185
views
no
answers
no
votes
2018-11-11 14:52:12 -0600
opencvun
Extracting a foreground actor from a video... [closed]
foreground
background
layers
matting
rotoscope
Video
131
views
no
answers
no
votes
2018-11-11 22:53:31 -0600
sagar.patel
I want to parse uyvy (4:2:2) 10 bit raw data frame as parsed from yuv420.Any one can help me out!?
UYVY
raw
frame
parser
377
views
no
answers
no
votes
2018-11-12 03:20:47 -0600
louberry
Pattern recognition with location feedback of missing patterns
c++
Pattern_recognition
857
views
no
answers
no
votes
2018-11-12 05:10:13 -0600
cherault
OpenCV 4 Not compatible OpenCV 3
opencv4
122
views
no
answers
no
votes
2018-11-12 12:02:55 -0600
kkudryavtsev
Is there any plan to add a custom accelerator device support to OpenCV?
setdevice
add
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