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29,830 questions
Tagged
121
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no
answers
no
votes
2020-08-16 03:47:13 -0600
aligoglos
how to calculate scale with matchTemplate
matchTemplate
1k
views
no
answers
no
votes
2020-08-17 00:20:48 -0600
JK Sutradhor
How to use OpenCV in PHP? [closed]
php-opencv
php
opencv
454
views
no
answers
no
votes
2020-08-22 04:49:56 -0600
berak
cv2.line(imgHist, (x, img.shape[0]), (x, img.shape[0]-intensity//255), (255, 0, 255), 1, lineType=8, shift=0)
opencv_cv2.line
2k
views
no
answers
no
votes
2020-08-17 08:40:44 -0600
Martian
OpenCV in Docker? (C++)
docker
200
views
no
answers
-1
votes
2020-08-17 13:06:06 -0600
TimK421
Trouble detecting vertical red line in video
houghlinesp
337
views
no
answers
no
votes
2020-08-18 09:42:15 -0600
Der Luftmensch
One Hot Encode function
type
Mat
encode
one-hot
function
template
1k
views
no
answers
no
votes
2020-08-19 12:34:30 -0600
Nagarjuna
opencv java How to sort contours from left to right [closed]
opencv
java
3k
views
no
answers
no
votes
2020-08-24 22:08:38 -0600
cherie
OpenCV Net from ONNX not works
readNetFromONNX
cv2.dnn
701
views
no
answers
no
votes
2020-08-19 02:25:23 -0600
dustsigns
Fundamental matrix and epipolar lines from known camera parameters
Stereovision
epipolar-geometry
c++
4.4.0
357
views
no
answers
1
vote
2020-08-19 07:14:00 -0600
Hussan
Where do we place an Axis camera example using OpenCV in the repo?
AXIS
sample
code
1k
views
no
answers
no
votes
2020-08-19 11:39:40 -0600
Fabrice_06
Wrong FPS and FRAME_COUNT read from a wmv file with opencv4.0 under python
get
CAP_PROP_FPS
CAP_PROP_FRAME_COUNT
182
views
no
answers
1
vote
2020-08-19 11:53:09 -0600
e1513377
Does OpenCV in C++ take full advantage of Multi-GPUs?
gpu
2k
views
no
answers
no
votes
2020-08-20 01:29:18 -0600
berak
Install OpenCV in Ubuntu 20.04 not working
ubuntu
ipython
207
views
no
answers
no
votes
2020-08-20 08:48:07 -0600
Bleach
Crop/approximate contours
c++
534
views
no
answers
no
votes
2020-08-20 09:17:22 -0600
comdie
Extract data from a scoreboard
OCR
opencv
Text
detect
python
522
views
no
answers
no
votes
2020-08-20 08:59:18 -0600
KyloEntro
Connect several cameras openCV python
python
1k
views
no
answers
1
vote
2020-08-22 11:03:57 -0600
usamajamil32
Make Edges of the Image smooth Ask
image-processing
452
views
no
answers
-1
votes
2020-08-29 13:10:18 -0600
timoinnewton
Help with people detection and tracking
tracking
454
views
no
answers
no
votes
2020-08-24 01:02:41 -0600
berak
request help,Status -43: CL_INVALID_BUILD_OPTIONS
android
opencl
222
views
no
answers
no
votes
2020-08-24 06:45:26 -0600
Shay
How to check matching location\position(SIFT)?
Fingerprint
338
views
no
answers
no
votes
2020-08-24 09:16:51 -0600
Shay
Gabor filter parameters.
gabor-filter
gabor
820
views
no
answers
1
vote
2020-08-28 04:06:54 -0600
bqm1111
CUDACuts for Image Texture Synthesis
CUDA
gpu
graphcut
imagestitching
508
views
no
answers
no
votes
2020-08-25 03:24:21 -0600
hoseinimage
error in findHomography with RANSAC [closed]
cvFindHomography
RANSAC
error
143
views
no
answers
no
votes
2020-08-25 13:16:56 -0600
superfly
result coordinate type
matrices
vectors
3D-Coordinates
plane
intersection
504
views
no
answers
no
votes
2020-08-26 03:19:28 -0600
lpea
Search URL for documentation
documentation
428
views
no
answers
no
votes
2020-08-27 05:04:40 -0600
Scheolin
Camera/Distortion Model Confusion
distortion
lens-distortion
opencvcamera
673
views
no
answers
no
votes
2020-08-28 11:34:46 -0600
tkw954
Aruco Marker Corners Occasionally Mislocated
aruco
aruco_marker
627
views
no
answers
no
votes
2020-08-28 02:11:12 -0600
erdeshkyzy
How should I track multiple dots (1-2 mm) using opencv in real time?
object-tracking
object-detection
opencvpython
linux
3k
views
no
answers
no
votes
2020-08-28 02:45:59 -0600
anarayan
Write cv2 frames in MPEG-TS format
ffmpeg
ts
196
views
no
answers
no
votes
2020-08-31 07:21:07 -0600
berak
Can anyone please tell me what could be the best algorithm for presence absence detection
defectdetection
feature-detection
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