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29,830 questions
Tagged
15k
views
1
answer
no
votes
2020-02-21 04:28:02 -0600
supra56
cv2.imread fail to open gif image
gif
2k
views
no
answers
no
votes
2020-02-21 05:39:23 -0600
lobsterman
compiling OpenCV 4.1.1 on ARM64
linux
arm64
164
views
no
answers
no
votes
2020-02-21 07:25:45 -0600
cjacquel
LPQ with OpenCV
opencv
LPQ
164
views
1
answer
no
votes
2020-02-21 14:20:52 -0600
LBerger
GSOC 2020 contacting mentors [closed]
GSOC2020
opencv
1k
views
1
answer
no
votes
2020-02-22 11:03:41 -0600
supra56
Mouse click x and y coordinates are consistently incorrect on Linux[SOLVED]
CV_EVENT_LBUTTONDOWN
DisplayImage
cvSetMouseCallback
261
views
no
answers
no
votes
2020-02-22 13:05:34 -0600
AdamRankin
Help with OpenCV configure - objdetec
cmake
configure
AVX
141
views
1
answer
no
votes
2020-02-22 16:20:41 -0600
Nilmar
module 'cv2.face' has no attribute 'LPBHFaceRecognizer'
Windows10
374
views
no
answers
no
votes
2020-02-22 20:25:03 -0600
supra56
Detection of multiple objects for further processing. [closed]
detect
multiple
objetcs
152
views
no
answers
no
votes
2020-02-22 20:30:48 -0600
supra56
The principle of cv::cudacodec::VideoReader
videoreader
4k
views
1
answer
no
votes
2020-02-22 22:24:38 -0600
LBerger
estimateRigidTransform Error in OpenCV4
python3
opencvpython
569
views
no
answers
no
votes
2020-02-23 00:24:38 -0600
Elric
Mask an image with another image
python
numpy
220
views
1
answer
no
votes
2020-02-23 04:27:39 -0600
supra56
This is my code for recognition of faces. I am getting the following error
python
opencv
1k
views
1
answer
no
votes
2020-02-23 11:37:33 -0600
berak
confidence value in LBPH
confidence
LBPH
807
views
no
answers
no
votes
2020-02-24 00:54:47 -0600
ankitjaadoo
Video file is damaged while writing it to the VideoWriter Object using object.write() method [closed]
videocapture
videowriter
3k
views
no
answers
no
votes
2020-02-24 01:30:24 -0600
Kartikey Rai
I am trying to resolve this issue. I am trying text recognition using pytesseract using OCR method.
pyhton
opencv
Text
recognition
1k
views
no
answers
no
votes
2020-02-24 05:27:22 -0600
krjeev
Blob depth should be CV_32F or CV_8U
java
opencv
cvException
642
views
no
answers
no
votes
2020-02-24 05:44:23 -0600
Roaa Soloh
OpenCV Mesh Class for python
python
featuredetection
descriptors
mesh
305
views
2
answers
no
votes
2020-02-24 06:28:54 -0600
berak
Operator and foreach
Code_Optimization
forEach
parallel_for
481
views
no
answers
no
votes
2020-02-24 07:24:35 -0600
yanivtu
Which pixels are included along a contour line when using cv2.drawContours
contours
drawContours
mask
1k
views
no
answers
no
votes
2020-02-24 07:33:12 -0600
Bensuperpc
Issues with Opencv 4.2 and Tensorflow 2.0 [Solve] [closed]
dnn
opencv
python
tensorflow
272
views
no
answers
no
votes
2020-02-24 08:44:25 -0600
DoubleR
DenseOpticalFlow - Shape problems
DenseOpticalFlow
713
views
no
answers
no
votes
2020-02-24 18:05:06 -0600
Tshimo
how to access each pixel from Mat in opencvsharp by vb.net? [closed]
pixel-access
772
views
no
answers
no
votes
2020-02-24 20:32:21 -0600
redhwan
how to click the video automatically by mouse every 10 sec, OpenCV
python
image-processing
mouseevent
HSV
Color
1k
views
no
answers
no
votes
2020-02-24 21:53:01 -0600
cwr
display OpenCV image at full “Retina” resolution on macOS
mac
OSX
resolution
Retina
macos
6k
views
no
answers
1
vote
2020-02-24 21:58:55 -0600
charlie
Create 2 channel image - grayscale and alpha
alpha
alpha-channel
grayscale
398
views
no
answers
no
votes
2020-02-25 03:21:06 -0600
jhk
Build fails in nvidia docker; cuda:9.2-cudnn7-devel-ubuntu16.04
docker
build
240
views
no
answers
no
votes
2020-02-25 04:22:20 -0600
supra56
Unable to capture 2 recorded video streams simultaneously
opencv
c++
visualstudio
273
views
no
answers
no
votes
2020-02-25 07:25:11 -0600
Jonaskri
Upgraded from 3.4.9 to 4.2.0 and can no longer see camera view [Android]
android
opencv
java
380
views
1
answer
no
votes
2020-02-25 07:36:31 -0600
rm_ein
OpenCV 4.2: The method drawFrameAxes(Mat, Mat, Mat, Mat, Mat, float) is undefined for the type Calib3d
java
opencv4.2
6k
views
2
answers
no
votes
2020-02-25 08:03:19 -0600
Imran B
resize in cuda from python.
CUDA
python
4.1.1
resize
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