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12,357 questions
Tagged
291
views
no
answers
no
votes
2019-05-13 11:13:21 -0600
kobeking
What are the "maps" returned by the initUndistortRectifyMap() function?
stereo
calibration
3k
views
no
answers
no
votes
2019-05-14 04:36:52 -0600
wangdayan
OpenCV DNN throws exception with Mask RCNN(Resnet 50) model
dnn
Mask-Rcnn
830
views
no
answers
no
votes
2019-05-14 11:28:17 -0600
larrydong
VideoCapture.open: Take a long time to open a USB camera.
videocapture
USBcamera
window10
visualstudio
202
views
no
answers
no
votes
2019-05-14 16:48:10 -0600
chocolate_sprinkles
install opencv 3.4.2 on raspberry pi w zero
opencv
raspberrypiwzero
231
views
no
answers
no
votes
2019-05-14 22:39:33 -0600
kdanne
Error when using openCV CUDA
CUDA
174
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
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
497
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
190
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
146
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
513
views
no
answers
no
votes
2019-05-17 00:59:03 -0600
saniket123
java: symbol lookup error: undefined symbol: _ZN2cv3Mat20updateContinuityFlagEv
jni
opencv
lib
error
304
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
799
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++
177
views
no
answers
no
votes
2019-05-20 06:43:18 -0600
hua
I got wrong cv::cuda::Convoltion::convolution results.
CUDA
Convolution
283
views
no
answers
no
votes
2019-05-20 10:26:06 -0600
berak
Error in TextDetectorCNN_create
OCR
1k
views
no
answers
no
votes
2019-05-20 13:40:22 -0600
vfbsilva
Can't build darknet (CNN) with CUDNN support
manjaro
opencv
123
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
2019-05-21 11:32:00 -0600
Moso
OpenCV 4.1.0 in Linux: works with Java but not with Kotlin
kotlin
java
linux
516
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
168
views
no
answers
no
votes
2019-05-21 17:53:39 -0600
JamesMaxwell
Camera Calibration
Undistort
74
views
no
answers
no
votes
2019-05-22 03:50:44 -0600
LBerger
differents results using caffe demo and opencv
bvlc_googlenet
383
views
no
answers
no
votes
2019-05-22 04:51:40 -0600
david.serrano
Android CameraBridgeViewBase - deliverAndDrawFrame insights
android
opencvcamera
camera2api
414
views
no
answers
no
votes
2019-05-22 08:41:21 -0600
Praveengopal
OpenCV: Convert Compressed video to frames Java
java
283
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
157
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
1k
views
no
answers
no
votes
2019-05-24 22:22:29 -0600
abu abdulla
performance of videoCapture with gst pipeline
gstreamer
videocapture
performance
497
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 03:13:02 -0600
crapthings
paper edge detection and perspective transform
edgedetection
edge-detection
edges
143
views
no
answers
no
votes
2019-05-26 00:53:01 -0600
aaalllll
In gapi, is there a way to create submatrix header?
GAPI
320
views
no
answers
no
votes
2019-05-26 06:32:15 -0600
Jethro
How can I use CNN for algae cell counting?
image_processing
CNN
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