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29,830 questions
Tagged
2k
views
no
answers
no
votes
2018-11-06 14:27:08 -0600
SH13567890
Assertion Failed during opencv_createsamples
createsamples
cascadetrainings
465
views
1
answer
no
votes
2018-11-06 14:33:10 -0600
Felipe7
ORB feature matching in pyramid
feature-detection
keypoint
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
1k
views
1
answer
1
vote
2018-11-06 19:16:03 -0600
phamtp
PNG encoding performance difference between 3.1 and 3.2
png
imencode
2k
views
1
answer
1
vote
2018-11-07 01:24:22 -0600
pouya.1991
Using two dnn networks causes crash [closed]
dnn
darknet
c++
553
views
1
answer
1
vote
2018-11-07 02:26:43 -0600
berak
Loading multiple images from file to the same Mat?
imagesc
opencv
c++
Mat
790
views
no
answers
no
votes
2018-11-07 03:20:26 -0600
hayley
Using calibrateCamera without Chessboard
android
calibrateCamera
withoutChessboard
222
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
163
views
no
answers
no
votes
2018-11-07 05:05:36 -0600
gino0717
use SVD to find left inverse?
svd
1k
views
1
answer
no
votes
2018-11-07 06:26:27 -0600
supra56
Stall in VideoCapture.set(cv2.CAP_PROP_POS_FRAMES, 0)
videocapture
733
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
431
views
1
answer
no
votes
2018-11-07 08:18:29 -0600
berak
Why is the python binding not complete ?
python
opencv#python
stitcher
stitching
1k
views
1
answer
no
votes
2018-11-07 08:41:46 -0600
berak
cv2.selectROIs in PyQt [closed]
pyqt
opencv
1k
views
1
answer
1
vote
2018-11-07 09:34:34 -0600
berak
Unclear what is returned in cv2.findContours in Python 3.6
findContours
edge
detection
592
views
no
answers
no
votes
2018-11-07 10:46:10 -0600
CharlesFr
How to calculate pixel per mm ratio of microscope
calibration
616
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
226
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
564
views
1
answer
1
vote
2018-11-08 02:26:55 -0600
berak
wrong predictions from OpenCV Sample Digits.py
python
SVM
sample
KNN
KNearest
2k
views
1
answer
no
votes
2018-11-08 02:31:51 -0600
softarts
sometimes failed to read frame from rtsp with opencv
CaptureVideo
opencv_dnn
234
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
2k
views
no
answers
no
votes
2018-11-08 04:48:34 -0600
berak
How to increase openpose fps with webcam
python
dnn
openpose
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
93
views
1
answer
no
votes
2018-11-08 06:13:22 -0600
berak
Mega weird issue with opencv drawing function ?!?! [closed]
draw
155
views
1
answer
no
votes
2018-11-08 06:53:40 -0600
dkurt
prototxt for squeezedet [closed]
dnn
4k
views
1
answer
2
votes
2018-11-08 07:02:58 -0600
punnerud
OpenCV Pedestrian Counting
LBP
BackgroundSubtractor
camshift
blob-detection
pedestrian
129
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
2k
views
1
answer
no
votes
2018-11-08 10:58:24 -0600
gauravgrover95
OpenCV for React Native
javascript
react
8k
views
1
answer
no
votes
2018-11-08 12:04:09 -0600
Eduardo
OpenCV + Darknet - Error when initializing darknet
yolo
object
detection
darknet
dnn
Initialization
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