First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date
activity ▼
answers
votes
30,481 questions
Tagged
11
views
1
answer
no
votes
2020-11-30 02:13:48 -0500
berak
Expired US patent on SIFT
SIFT
patent
Restriction
14
views
no
answers
no
votes
2020-11-29 13:02:04 -0500
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
42
views
1
answer
1
vote
2020-11-29 06:19:20 -0500
jacubit
Opencv and OAK on Mac with new chip M1
oak
compatibility
hardware
CPU
mac
apple
132
views
2
answers
no
votes
2020-11-28 15:03:22 -0500
crackwitz
Face detection and time - video
Facedetection
video-playback
13
views
1
answer
no
votes
2020-11-28 14:04:16 -0500
berak
How can I solve this problem? module 'cv2.cv2' has no attribute 'SURF'
attributeerror
28
views
1
answer
no
votes
2020-11-28 02:21:26 -0500
berak
How to check if camera is enabled?
python
camera
28
views
no
answers
no
votes
2020-11-27 22:05:30 -0500
AndrewM
TV logo detection in a video file
c++
opencv
video-processing
18
views
1
answer
no
votes
2020-11-27 12:25:17 -0500
berak
Reduce frame resolution
resolution
java
android
19
views
no
answers
no
votes
2020-11-27 09:02:52 -0500
sigmoid90
Converting Mat of point cloud mesh to vector<cv::Point3d>
point_cloud
3Dmesh
projection
c++
15
views
no
answers
no
votes
2020-11-27 05:36:50 -0500
sigmoid90
Projecting point cloud to image plane in order to estimate camera pose
3dreconstruction
opencv
matching
pose_estimation
image-registration
point_cloud
50
views
1
answer
no
votes
2020-11-27 03:13:58 -0500
ieliz
Single Object Tracking in RealTime without cuda
object-tracking
realtime
10
views
no
answers
no
votes
2020-11-27 03:00:45 -0500
Phil2
guidance for mapping 2D image onto 3D geometry
2d-3d-mapping
texture
calibration
point_cloud
16
views
no
answers
-1
votes
2020-11-27 01:22:28 -0500
Gur
How to detect lens flare /glare in images
lens
Flare
Glare
49
views
3
answers
no
votes
2020-11-26 13:38:03 -0500
AndyK
Use Opencl to access Umat data
opencl
UMat
17
views
1
answer
no
votes
2020-11-26 08:27:48 -0500
marius
OpenCV 4 and TermCriteria CV_TERMCRIT_ITER [closed]
TermCriteria
66
views
1
answer
no
votes
2020-11-26 08:06:40 -0500
berak
Error "Assertion failed (scn == 3 || scn == 4) in cvtColor" when calculating ORB features on point cloud
3dreconstruction
cvCvtColor
ORB
featuredetector
point_cloud
13
views
no
answers
no
votes
2020-11-26 04:51:41 -0500
DaShirley
How to reduce the time cost of the first DNN inferring with INFERENCE_ENGINE backend ?
cv2.dnn
dnn
opencl
14
views
1
answer
2
votes
2020-11-26 02:57:24 -0500
berak
Trying to use MultiBandBlender in Java
MultiBandBlender
java
21
views
1
answer
no
votes
2020-11-25 20:14:10 -0500
crackwitz
Tracking a large number of dots on a cloth
Blob-tracking
object-tracking
opticalflow
17
views
no
answers
-1
votes
2020-11-25 15:49:52 -0500
serge
How to know the exact location of an object in an image after detecting it using haar-cascade?
robotics
planning
27
views
1
answer
no
votes
2020-11-25 11:55:52 -0500
crackwitz
Technique to find corresponding objects across stereo views
stereo_match
stereo-calibration
3dreconstruction
3d-image
35
views
1
answer
no
votes
2020-11-25 11:11:59 -0500
crackwitz
How do I read raw RGB data with Python?
python
raw
17
views
no
answers
no
votes
2020-11-25 09:20:23 -0500
DanKutz
Adding subtitles from .srt file C++ [closed]
c++
opencv
27
views
no
answers
no
votes
2020-11-24 22:57:47 -0500
Shabana
OpenCV with android not detecting image blur [closed]
android
opencv
29
views
no
answers
-2
votes
2020-11-24 21:33:38 -0500
gentle_rain
How can I segment text from images with complex backgrounds?
image-segmentation
OCR
computer-vision
25
views
no
answers
no
votes
2020-11-24 13:46:38 -0500
berak
heap errors without using anything from the lib
heap
error
23
views
no
answers
no
votes
2020-11-24 12:09:28 -0500
mael15
c++ heap error without using the library?! [closed]
heap
corruption
error
21
views
no
answers
no
votes
2020-11-24 10:44:25 -0500
daniel_vdc
Unable to open or export written video
cv2
opencv
python
61
views
1
answer
no
votes
2020-11-24 02:58:40 -0500
berak
How to eliminate Text underline?
grayText
darkerText
darkenText
ScannedDoc
21
views
no
answers
no
votes
2020-11-23 05:49:59 -0500
smitra
Perspective warping using QR codes as anchors in the image
cv2.warpPerspective
qrcode
1
2
3
4
5
...
1017
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×5
point_cloud
×4
3dreconstruction
×3
c++
×3
python
×3
android
×2
error
×2
heap
×2
java
×2
object-tracking
×2
opencl
×2
2d-3d-mapping
×1
3d-image
×1
3Dmesh
×1
apple
×1
attributeerror
×1
Blob-tracking
×1
build
×1
build-error
×1
calibration
×1
camera
×1
cmake-error
×1
compatibility
×1
computer-vision
×1
corruption
×1
CPU
×1
cv2
×1
cv2.dnn
×1
cv2.warpPerspective
×1
cvCvtColor
×1
darkenText
×1
darkerText
×1
dnn
×1
Facedetection
×1
featuredetector
×1
Flare
×1
Glare
×1
grayText
×1
hardware
×1
image-registration
×1
image-segmentation
×1
lens
×1
libs
×1
mac
×1
matching
×1
MultiBandBlender
×1
oak
×1
OCR
×1
opecv
×1
opticalflow
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×
