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29,830 questions
Tagged
672
views
1
answer
no
votes
2020-11-25 20:14:10 -0600
crackwitz
Tracking a large number of dots on a cloth
Blob-tracking
object-tracking
opticalflow
481
views
1
answer
2
votes
2020-11-26 02:57:24 -0600
berak
Trying to use MultiBandBlender in Java
MultiBandBlender
java
1k
views
1
answer
no
votes
2020-11-26 08:06:40 -0600
berak
Error "Assertion failed (scn == 3 || scn == 4) in cvtColor" when calculating ORB features on point cloud
3dreconstruction
cvCvtColor
ORB
featuredetector
point_cloud
6k
views
1
answer
no
votes
2020-11-26 08:27:48 -0600
marius
OpenCV 4 and TermCriteria CV_TERMCRIT_ITER [closed]
TermCriteria
1k
views
3
answers
no
votes
2020-11-26 13:38:03 -0600
AndyK
Use Opencl to access Umat data
opencl
UMat
650
views
no
answers
-1
votes
2020-11-27 01:22:28 -0600
Gur
How to detect lens flare /glare in images
lens
Flare
Glare
3k
views
1
answer
no
votes
2020-11-27 03:13:58 -0600
ieliz
Single Object Tracking in RealTime without cuda
object-tracking
realtime
945
views
1
answer
no
votes
2020-11-27 12:25:17 -0600
berak
Reduce frame resolution
resolution
java
android
546
views
1
answer
no
votes
2020-11-28 02:21:26 -0600
berak
How to check if camera is enabled?
python
camera
1k
views
2
answers
no
votes
2020-11-28 15:03:22 -0600
crackwitz
Face detection and time - video
Facedetection
video-playback
2k
views
no
answers
no
votes
2020-11-29 13:02:04 -0600
offsetnull1
No rule to make target '/usr/local/lib/libz.so', needed by 'lib/libopencv_core.so.4.5.1
opecv
build
build-error
cmake-error
libs
4k
views
1
answer
no
votes
2020-11-30 02:13:48 -0600
berak
Expired US patent on SIFT
SIFT
patent
Restriction
21k
views
1
answer
no
votes
2020-11-30 03:19:02 -0600
berak
How can I solve this problem? module 'cv2.cv2' has no attribute 'SURF'
attributeerror
1k
views
1
answer
no
votes
2020-11-30 03:48:01 -0600
jaqueline.schweigert
OpenCV 4.5.0 Compile errors
installation
opencv4.5.0
java
3k
views
no
answers
1
vote
2020-11-30 03:48:20 -0600
sigmoid90
Projecting point cloud to image plane in order to estimate camera pose
3dreconstruction
opencv
matching
pose_estimation
image-registration
point_cloud
1k
views
1
answer
no
votes
2020-11-30 05:23:37 -0600
berak
Converting Mat of point cloud mesh to vector<cv::Point3d>
point_cloud
3Dmesh
projection
c++
1k
views
1
answer
no
votes
2020-11-30 07:08:44 -0600
berak
How to eliminate Text underline?
grayText
darkerText
darkenText
ScannedDoc
2k
views
1
answer
no
votes
2020-11-30 11:22:22 -0600
crackwitz
PatMax in OpenCV
locate
patmax
industrial
Pattern_recognition
pattern-matching
aoi
2k
views
no
answers
no
votes
2020-11-30 16:58:15 -0600
Phil2
guidance for mapping 2D image onto 3D geometry
2d-3d-mapping
texture
calibration
point_cloud
255
views
no
answers
no
votes
2020-12-01 07:39:09 -0600
Yaw Mensah
convert cv::Mat to a C Struct
OpenCVWrapper
604
views
no
answers
no
votes
2020-12-01 10:18:57 -0600
sigmoid90
Pose estimation of image from a point cloud [closed]
3dreconstruction
matching
pose_estimation
image-registration
pointcloud
2k
views
2
answers
no
votes
2020-12-01 11:24:36 -0600
kbarni
Birdseye transform with getPerspectiveTransform
perspective
1k
views
1
answer
1
vote
2020-12-01 11:25:19 -0600
crackwitz
stitch transform reuse
image-stitching
stitching
python3
763
views
no
answers
-1
votes
2020-12-01 21:13:26 -0600
lilyily
Converting image to grayscale
opencv
python
2k
views
no
answers
no
votes
2020-12-02 03:30:41 -0600
maw
imshow no window on Mac Big Sur with Python [closed]
opencv
python
imshow
658
views
no
answers
no
votes
2020-12-02 08:00:45 -0600
Ting
Reduce the opencv framework size by using size optimization
size
optimization
ios
xcode
gcc
compiler
366
views
1
answer
-1
votes
2020-12-02 08:54:07 -0600
berak
Finding center of contour in a game
findContours
1k
views
no
answers
no
votes
2020-12-02 09:38:34 -0600
amateurpirate
Duplicate frames in saved file from cv2.VideoWriter
CAP_PROP_FPS
USBcamera
cv2.videocapture
python
cv2.VideoWriter
230
views
no
answers
no
votes
2020-12-02 16:22:39 -0600
pooooppppyyjhb
Why is the processImage delegate not getting called automatically?
processing
image
process
delegate
ios
unity
1k
views
1
answer
1
vote
2020-12-02 21:10:57 -0600
sturkmen
Did convexityDefects function behaviour changed between cv2 versions 4.2.0 and 4.3.0?
python
build_opencv_python
convexityDefects
contours
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