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12,357 questions
Tagged
704
views
no
answers
no
votes
2020-03-21 05:27:34 -0600
martiabr
onCameraViewStarted and onCameraFrame never called - black view
android
1k
views
no
answers
no
votes
2020-03-21 13:26:55 -0600
Suom
world coordinates to camera coordinates to pixel coordinates cv::projectpoints
cv2.projectPoints
69
views
no
answers
no
votes
2020-03-21 21:52:45 -0600
AnonBerk
Detecting hand in front of face (occlusion)
Occlusion
1k
views
no
answers
no
votes
2020-03-22 07:20:59 -0600
supra56
hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
opencv_python
291
views
no
answers
no
votes
2020-03-22 07:39:16 -0600
Suom
cv::Mat initialization
Mat
185
views
no
answers
no
votes
2020-03-22 11:54:15 -0600
andrei186
opencv/build/lib vs installation/OpenCV-3.4/lib/
lib
191
views
no
answers
no
votes
2020-03-23 03:00:33 -0600
sagar_007
creation of csv file for face recognition in c++
c++
opencv
611
views
no
answers
no
votes
2020-03-23 05:01:58 -0600
micmac
Trying to match color template with cv::ximgproc::colorMatchTemplate()
Color
template
matching
1k
views
no
answers
no
votes
2020-03-23 20:35:27 -0600
jonathanlvaldez
Input video capture ffmpeg flags (OpenCV-Python)
opencv
ffmpeg
H264
hardware
decoding
python
1k
views
no
answers
no
votes
2020-03-23 21:15:18 -0600
jonathanlvaldez
OpenCV DNN with CUDA built from source (for arch bin < 5.3)
opencv
python
CUDA
dnn
1k
views
no
answers
no
votes
2020-03-24 07:33:50 -0600
supra56
Complied from source - ubuntu/python - error librsvg-2.so.2: undefined symbol: cairo_tag_end
python
Import_Error
5k
views
no
answers
no
votes
2020-03-24 07:51:14 -0600
supra56
Imwrite saves images as black .
opencv#python
Crop-image
image-processing
cv2.imwrite
357
views
no
answers
no
votes
2020-03-24 07:03:18 -0600
supra56
imread working in py but working in ipynb
ipynb
py
imread
python
vsc
1k
views
no
answers
no
votes
2020-03-24 07:49:01 -0600
supra56
OpenCV 4.2.0 C++ - H264 Encoding
video#c++#opencv
857
views
no
answers
no
votes
2020-03-24 10:21:07 -0600
andrei186
directory structure of OpenCV
directory
structure
opencv
linux
911
views
no
answers
no
votes
2020-03-24 22:18:24 -0600
LightningStar
module 'cv2' has no attribute 'xfeatures2d'
python
xfeatures2d
CUDA
3k
views
no
answers
no
votes
2020-03-25 06:10:20 -0600
snowmania
Meaning of rectified beforePoints for filterHomographyDecompByVisibleRefpoints()
decomposehomography
232
views
no
answers
no
votes
2020-03-25 08:19:10 -0600
Dronzer
Compiling custom cap_ffmpeg_impl.hpp
c++#opencv#ffmpeg
3k
views
no
answers
no
votes
2020-03-25 09:03:02 -0600
scanner_dev
Convert Normal Map to Displacement Map?
normal_map
384
views
no
answers
no
votes
2020-03-25 10:34:09 -0600
AaronB
Using OpenCV 3.4 and converting to use GPU (CUDA)
findNonZero
CUDA
points
450
views
no
answers
no
votes
2020-03-25 12:02:59 -0600
supra56
SolvePnPRansac always returns an identity rotation matrix
solvePnpRansac
solvePnP
pose-estimation
camerarotation
227
views
no
answers
no
votes
2020-03-25 15:54:57 -0600
CharlesC
OpenCV .so libraries show different symbol tables, why?
opencv
libraries
show
different
symbol
tables
414
views
no
answers
no
votes
2020-03-25 17:17:49 -0600
badams
Projecting points onto image generated by warpPerspective
perspectiveTransform
WarpPerspective
python
556
views
no
answers
no
votes
2020-03-26 21:18:21 -0600
supra56
opencv kalman filter(python) problem when no detection
KalmanFilter
python
prediction
172
views
no
answers
no
votes
2020-03-26 01:18:59 -0600
Paul Jurczak
What is the difference between cv::stereo::StereoMatcher::compute and cv::StereoMatcher::compute?
stereo
725
views
no
answers
no
votes
2020-03-26 03:41:43 -0600
berak
Image quality assessment
c++
opencv
87
views
no
answers
no
votes
2020-03-26 08:05:13 -0600
Mattia
Opencv yolo3 different result than original
yolo3
2k
views
no
answers
no
votes
2020-03-26 08:27:05 -0600
AzureSnake
cv.putText does not display text properly
cvPutText
putText
Facedetection
FaceRecognizer
121
views
no
answers
no
votes
2020-03-27 01:17:48 -0600
penguin18
Compute moments for set of polygons
moments
715
views
no
answers
no
votes
2020-03-27 04:29:40 -0600
Steven.Dragoz
Detection of Blood Vessels Junctions
image-processing
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