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29,830 questions
Tagged
8k
views
1
answer
no
votes
2019-08-14 18:20:52 -0600
sturkmen
change all instances of a colour to a different one in C++
c++
mask
1k
views
1
answer
no
votes
2019-08-14 14:58:44 -0600
berak
What is wrong in this Opencv Face Recognition code?
python
111
views
no
answers
no
votes
2019-08-14 13:29:32 -0600
rebelgiri
frame rate using CAP_PROP_FPS is failed (C++).
framerate
1k
views
no
answers
no
votes
2019-08-19 17:02:18 -0600
paubau
Cross-compile for ARM
cross-compilation
docker
arm
292
views
no
answers
no
votes
2019-08-14 08:26:45 -0600
SagRU
How to make a custom kernel for extraction?
kernel
opening
597
views
1
answer
no
votes
2019-08-15 12:49:35 -0600
berak
cmake build error for 'trancascade' app
traincascade
2k
views
no
answers
no
votes
2019-08-15 18:59:16 -0600
kavikode
Porting to JavaScript: "Cannot register public name 'projectPoints' twice"
OpenCV.js
cv2.projectPoints
solvePnP
javascript
687
views
1
answer
no
votes
2019-08-18 09:41:23 -0600
pittie
Gpu memory leak when resizing asynchronously
CUDA
gpu
resize
3k
views
1
answer
no
votes
2019-08-15 04:38:56 -0600
dnns
python ret value vastly different from reprojection error
calibrateCamera
python
examples
1k
views
1
answer
no
votes
2019-08-29 02:55:36 -0600
WolfG
HoughCircles detecting arches.
arches
HoughCircles
870
views
no
answers
no
votes
2019-08-13 03:32:00 -0600
dev4all12358
Record n minutes from a webcam
imwrite
c++
videocapture
1k
views
1
answer
-1
votes
2019-08-14 06:59:16 -0600
dnns
Problem in copying part of image to another
broadcast
Input
array
shape
364
views
no
answers
no
votes
2019-08-12 13:33:52 -0600
PsychoTodd
Build OpenEXR support for ios and android
openexr
714
views
1
answer
no
votes
2019-08-12 13:35:56 -0600
Shiva_2410
I am getting bug while performing open cv based dnn face detection
dnn
opencv
python
assertionerror
getMemoryShape
1k
views
no
answers
1
vote
2019-08-14 10:03:11 -0600
antithing
Calculate extrinsics between two cameras using FindHomography?
findHomography
solvePnP
extrinsic
stereo
drawcontour
223
views
no
answers
1
vote
2019-08-12 09:12:59 -0600
thom
The results of cv::eigen() are different on Win10 and Ubuntu.
opencv
EigenValue
559
views
1
answer
no
votes
2019-08-12 08:29:30 -0600
holger
Cannot use Tesseract with OpenCV 4.1.1
tesseract
leptonica
2k
views
no
answers
no
votes
2019-08-12 08:01:54 -0600
nameofuser1
Template matching with zero mean normalized cross-correlation
c++
templateMatch
image-processing
6k
views
1
answer
no
votes
2019-08-12 09:34:01 -0600
berak
How to convert an RGB image to Boolean array?
conversion
boolean
119
views
no
answers
no
votes
2019-08-12 07:02:48 -0600
gabig1970
cuda::StereoBM hang up in Nvidia Xavier during compute
CUDA
stereoBM
nvidia
Xavier
512
views
no
answers
no
votes
2019-08-12 04:36:11 -0600
zyukyunman
using cv::VideoWriter and memory leak
VideoWirter
358
views
1
answer
no
votes
2019-08-12 03:24:19 -0600
savailonei
How to get areas of objects after watershed segmentation?
watershed
segmentation
945
views
no
answers
no
votes
2019-08-12 00:55:27 -0600
berak
error in command line
DSO
1k
views
no
answers
no
votes
2019-08-11 23:32:44 -0600
kiet
opencv-python and multi-threading
opencv-python
gil
321
views
no
answers
no
votes
2019-08-12 09:36:25 -0600
berak
OpenCV mat.get(y,x)[0] == mat2.get(y,x)[0] returns true when false [closed]
java
Mat
opencv
get
compare
boolean
6k
views
1
answer
no
votes
2019-08-11 11:22:14 -0600
holger
OpenCV 4.1 + Python 3 + CUDA
opencv
python
CUDA
featurematching
924
views
no
answers
1
vote
2019-08-12 02:45:34 -0600
Jérémy K
How to generate a 3D image based on ChArUco calibration of two 2D images
calibration
stereo-vision
charuco
undistortpoints
keypoint
361
views
no
answers
no
votes
2019-08-09 14:55:25 -0600
Programmerperson
OpenCV face detection results in "debug assertion failed"
c++
opencv
Facedetection
cascadeclassifier
4k
views
1
answer
no
votes
2019-08-09 10:27:16 -0600
Eduardo
How to implement indoor SLAM in mobile robot with stereo vision?
stereo-vision
SLAM
indoor
navigation
visual-odometry
map-building
852
views
1
answer
no
votes
2019-08-09 09:13:36 -0600
GBrouwer
Non-free algorithms stays NO Ubuntu 16.04 opencv-3.4.4
opencv_contrib
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