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29,830 questions
Tagged
4k
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2020-03-01 14:03:15 -0600
LBerger
CvCapture_MSMF::initStream Failed to set mediaType after switching to CUDA build of OpenCV
windows
CUDA
compile
videocapture
c++
msmf
466
views
no
answers
no
votes
2020-03-01 11:03:18 -0600
Maksat
Zero-normalised cross correlation for Template Matching
matchTemplate
ZNCC
276
views
1
answer
no
votes
2020-03-01 06:06:15 -0600
berak
This is a code for recognition of faces and attendance marking. I get the following error
python
copencv
Dlib
171
views
no
answers
no
votes
2020-03-01 00:27:58 -0600
essamzaky
Tutorial for creating deep NN model for a dataset and use it in Opencv [closed]
dnn
create
use
model
454
views
no
answers
no
votes
2020-02-28 21:33:31 -0600
Albert0924
OpenCV with GStreamer in Android Studio
gstreamer
android
streaming
piipeline
1k
views
1
answer
no
votes
2020-03-02 18:36:24 -0600
lnx
error: (-215:Assertion failed) !_src.empty() in function 'cvtColor'
error
cvtColor
478
views
no
answers
no
votes
2020-02-28 16:05:04 -0600
PressedTin
How do I make the method onCameraFrame() be called more frequently
OnCameraFrame
android#studio
android
java
3k
views
no
answers
no
votes
2020-02-28 13:23:23 -0600
raisa_
How do I write into YML format and read it with opencv and C++ ?
c++
opencv
yaml
FileStorage
ubuntu18.04
terminal
152
views
no
answers
-1
votes
2020-02-28 11:35:19 -0600
jayasingha
3D reconstruction of a scene from 2D images [closed]
3d
190
views
no
answers
no
votes
2020-02-28 14:44:41 -0600
ROMEL
from an image having multiple rectangles some rectangles are filled with lines an some are empty like given below in the image.i need to remove all the rectangles which are empty.Any suggestions?
java
opencv
python
326
views
no
answers
1
vote
2020-02-28 07:42:48 -0600
link1375
OpenCV detects most rectangular contours only if they are not aligned with the camera
findContours
251
views
no
answers
no
votes
2020-02-28 03:52:08 -0600
RPonomarenko
[BRISK] There is no a possibility to change keypoints size
brisk
keypoint
2k
views
1
answer
no
votes
2020-02-28 04:30:30 -0600
cudawarped
Sharpness opencv cuda python
CUDA
opencv
python
sharpness
createGaussianFilter
addweighted
527
views
no
answers
no
votes
2020-02-28 01:34:08 -0600
trialzuki
Converting mobilenetv3 from tensorflow zoo to dnn
tensorflow
dnn
deeplab
mobilenetv3
215
views
no
answers
no
votes
2020-02-28 00:11:20 -0600
hklee93
Regarding the availability of tracking water projectile motion
detection
motion
projectile
availability
10k
views
2
answers
2
votes
2020-06-11 15:36:21 -0600
Der Luftmensch
how could I change memory layout from hwc to chw ?
array
memory
layout
order
transpose
1k
views
no
answers
no
votes
2020-02-27 10:39:48 -0600
MightyFunkster
Getting couldn't find package errors for open_cv with ROS
robot
4k
views
1
answer
no
votes
2020-02-27 09:06:05 -0600
PressedTin
How do I get 0-255 RGB values from an RGBA mat?
android#studio
Mat
java
9k
views
no
answers
2
votes
2020-02-27 07:11:27 -0600
Wolfish
OpenCV and Flutter
Flutter
296
views
no
answers
no
votes
2020-02-27 06:40:48 -0600
Pavel
There is zero picture coordinate in OpenCV notation.
image
coordinate
system
440
views
no
answers
no
votes
2020-02-27 05:44:56 -0600
Imran B
detailenhance cuda opencv
opencv
python
CUDA
sharpness
detailhenance
455
views
no
answers
no
votes
2020-02-27 04:35:13 -0600
supra56
Two camera objects in Flask app provides freeze
opencv
python
RaspberryPi
camera
python3
1k
views
no
answers
no
votes
2020-02-27 03:23:35 -0600
Mathilda Yun
About cv2.dnn.readNetFromONNX
readNetFromONNX
1k
views
no
answers
no
votes
2020-02-27 03:34:27 -0600
supra56
Problem with grfmt_tiff.cpp
tiff
2k
views
no
answers
no
votes
2020-02-27 02:25:57 -0600
ziknehupsu
OpenCV Error: Assertion failed (tlsSlots.size() > slotIdx) in releaseSlot
c++
gpu
CUDA
1k
views
no
answers
no
votes
2020-02-26 18:37:37 -0600
zohra
Problem with dnn::NMSBoxes
yolo
dnn
c++
281
views
no
answers
no
votes
2020-02-26 15:45:17 -0600
v1nce
Where is a repo to start with opencv.js ?
MSER
javascript
10k
views
1
answer
no
votes
2020-02-26 13:28:51 -0600
supra56
Am getting NULL without setting an error on cv2.imwrite
imwrite
1k
views
2
answers
no
votes
2020-03-19 09:33:48 -0600
supra56
How to connect center of detected objects/contours to form a polygon?
polygon
303
views
no
answers
no
votes
2020-11-08 05:13:03 -0600
sturkmen
measure a curved petiole
segmentation
measure
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