First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date ▼
activity
answers
votes
12,357 questions
Tagged
128
views
no
answers
no
votes
2019-05-26 00:53:01 -0600
aaalllll
In gapi, is there a way to create submatrix header?
GAPI
1k
views
no
answers
no
votes
2019-05-24 03:13:02 -0600
crapthings
paper edge detection and perspective transform
edgedetection
edge-detection
edges
163
views
no
answers
no
votes
2019-05-23 18:55:49 -0600
asashour
BuildBot artifacts
buildbot
artifacts
157
views
no
answers
-1
votes
2019-05-23 10:38:13 -0600
tobix10
Get foreground mask without updating model
BackgorundMOG2
BackgroundSubtractor
substract
background
120
views
no
answers
-1
votes
2019-05-23 09:46:22 -0600
lperepol
What are the best practices to measure the length of an arbitrary worm?
contour
463
views
no
answers
no
votes
2019-05-23 22:23:44 -0600
supra56
OpenCV VideoCapture in Win10 VS17 cannot open more than four USB 3.0 cameras
c++
opencv
Windows10
videocapture
visualstudio
1k
views
no
answers
no
votes
2019-05-24 22:22:29 -0600
abu abdulla
performance of videoCapture with gst pipeline
gstreamer
videocapture
performance
142
views
no
answers
no
votes
2019-05-23 22:25:08 -0600
supra56
Does the camera calibration take into consideration other type of x,y corrected relations that can include other fctors like k1, k2, p1, p2, p3, p4 instead of only k1, k1, p1, p2, k3
calibrate
268
views
no
answers
no
votes
2019-05-22 13:35:50 -0600
Jaques
calculate Z from two images possible?
opencv
python
math
camera
computer-vision
computervision
357
views
no
answers
no
votes
2019-05-22 08:41:21 -0600
Praveengopal
OpenCV: Convert Compressed video to frames Java
java
355
views
no
answers
no
votes
2019-05-22 04:51:40 -0600
david.serrano
Android CameraBridgeViewBase - deliverAndDrawFrame insights
android
opencvcamera
camera2api
70
views
no
answers
no
votes
2019-05-22 03:50:44 -0600
LBerger
differents results using caffe demo and opencv
bvlc_googlenet
156
views
no
answers
no
votes
2019-05-21 17:53:39 -0600
JamesMaxwell
Camera Calibration
Undistort
433
views
no
answers
no
votes
2019-05-21 15:01:04 -0600
violetforest
How to calculate pose and transformation for contours and its bounding rect for AR app?
contours
augmentedReality
pose-estimation
boundingRect
948
views
no
answers
no
votes
2019-05-21 11:32:00 -0600
Moso
OpenCV 4.1.0 in Linux: works with Java but not with Kotlin
kotlin
java
linux
106
views
no
answers
no
votes
2019-05-21 01:58:08 -0600
peacherwu
Build opencv with cuda for ARM?
CUDA
arm
android
1k
views
no
answers
no
votes
2019-05-20 13:40:22 -0600
vfbsilva
Can't build darknet (CNN) with CUDNN support
manjaro
opencv
265
views
no
answers
no
votes
2019-05-20 10:26:06 -0600
berak
Error in TextDetectorCNN_create
OCR
152
views
no
answers
no
votes
2019-05-20 06:43:18 -0600
hua
I got wrong cv::cuda::Convoltion::convolution results.
CUDA
Convolution
624
views
no
answers
no
votes
2019-05-24 15:09:37 -0600
Kafan
How to merge Remap InputArray and Affine Transforms
remap
affinetransform
merge
opencv
c++
282
views
no
answers
no
votes
2019-05-18 13:01:26 -0600
thadaBoy
How to fix 'only black frames receiving' in Android with OpenCV
android
opencv
c++
jni
java
17k
views
no
answers
1
vote
2019-05-17 04:47:52 -0600
ILikeCheapWater
Visualize differences between two images
opencv
python
2d-images
differences
491
views
no
answers
no
votes
2019-05-17 00:59:03 -0600
saniket123
java: symbol lookup error: undefined symbol: _ZN2cv3Mat20updateContinuityFlagEv
jni
opencv
lib
error
133
views
no
answers
no
votes
2019-05-16 12:54:36 -0600
hua
Why I can't use the resulted gpumat from cv::cuda::Convolution::convole()?
CUDA
gpumat
Convolution
280
views
no
answers
-1
votes
2019-05-16 06:52:36 -0600
Mellicent
cv2.error: (-215)
cv2.error
opencv
python
Raspberry
175
views
no
answers
no
votes
2019-05-16 08:27:12 -0600
osguli
VideoCapure::open(const String & filename) blocked 30s, Camera not running /On multi-thread, open() do like single-thread
Open
427
views
no
answers
no
votes
2019-05-16 02:01:33 -0600
berak
Trouble while opening a model through "cv.dnn.readNetfromTensorFlow()" that is created in keras model and converted to tf pb file
keras
tensorflow
vgg16
dnn
1k
views
no
answers
no
votes
2019-05-15 15:25:59 -0600
James Adams
Can I save H.264/5 data to MP4 without transcoding?
mp4
ViideoWriter
H264
316
views
no
answers
no
votes
2019-05-15 08:33:27 -0600
Vaibhav Pipara
how can we predict age of person from photo using python
opencv
python
ageprediction
158
views
no
answers
no
votes
2019-05-15 06:30:20 -0600
Shay Weissman
TinyYolo Tiny gives long process time once in a while
dnn
Yolov3
« previous
1
...
61
62
63
64
65
...
412
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×9
python
×4
android
×3
c++
×3
CUDA
×3
java
×3
Convolution
×2
dnn
×2
jni
×2
videocapture
×2
2d-images
×1
affinetransform
×1
ageprediction
×1
arm
×1
artifacts
×1
augmentedReality
×1
BackgorundMOG2
×1
background
×1
BackgroundSubtractor
×1
boundingRect
×1
buildbot
×1
bvlc_googlenet
×1
calibrate
×1
camera
×1
camera2api
×1
computervision
×1
computer-vision
×1
contour
×1
contours
×1
cv2.error
×1
differences
×1
edgedetection
×1
edge-detection
×1
edges
×1
error
×1
GAPI
×1
gpumat
×1
gstreamer
×1
H264
×1
keras
×1
kotlin
×1
lib
×1
linux
×1
manjaro
×1
math
×1
merge
×1
mp4
×1
OCR
×1
Open
×1
opencvcamera
×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
×
