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29,830 questions
Tagged
762
views
1
answer
no
votes
2018-10-17 11:14:29 -0600
berak
when I run the below code, I take below error. Can you help me ?
error
AssertionFailed-215
590
views
no
answers
no
votes
2018-10-15 23:17:25 -0600
Edwin C
Hologram Detection With Irregular Patterns
hologram
1k
views
no
answers
-1
votes
2018-10-16 03:48:40 -0600
aayushkt
Fire detecion and smoke detection
firedetection
machinelearning
1k
views
no
answers
-1
votes
2018-10-16 18:05:34 -0600
berak
How to implement multi-processing ?
yolo
278
views
no
answers
no
votes
2018-10-16 16:53:08 -0600
Caseguy
How to make a shear algorithm using opencv and python no libraries [closed]
numpy
6k
views
1
answer
-1
votes
2018-10-20 09:58:49 -0600
Shantanu Nandan
ValueError: could not broadcast input array from shape (0,60,3) into shape (7,60,3)
opencv
python
image-data
1k
views
no
answers
-1
votes
2018-10-21 13:41:24 -0600
Pras
OpenCV java reducing resolution of image [closed]
java#opencv
869
views
1
answer
no
votes
2018-10-23 01:12:07 -0600
kishan patel
how can open raw data video file
BGR
videocapture
953
views
1
answer
no
votes
2018-10-23 03:42:20 -0600
berak
C++ to python, numpy-OpenCv
numpy
652
views
1
answer
-1
votes
2018-10-24 05:08:15 -0600
berak
Is OpenCV frames passed by referenced?
python
opencv
332
views
no
answers
no
votes
2018-10-25 05:59:31 -0600
Deepak3994
How to get more than one bounding box value from a single segmented-image for a given value? [closed]
image-processing
python
189
views
no
answers
-1
votes
2018-10-28 01:45:45 -0600
mpknap
Pixel Counting [closed]
delphi
1k
views
1
answer
-1
votes
2018-10-29 04:27:55 -0600
berak
OpenCV (Java) : Draw a rectangle region on Camera View
java
camera
roi
region
OCR
294
views
no
answers
-1
votes
2018-10-29 04:13:45 -0600
MAGMA
Can someone help me counting objects on shelf putting a border around that object?.. I am new to OpenCV
retail
67
views
no
answers
-1
votes
2018-10-30 13:24:28 -0600
forhadsidhu
How to seperate ear region from face portion [closed]
image-recognition
18k
views
1
answer
no
votes
2018-10-30 15:30:50 -0600
LBerger
how to decode by imdecode
imdecode
None
python3
cv2
3k
views
2
answers
-1
votes
2018-11-01 05:22:55 -0600
MomoLuo
opencv assertion failed (ssize.width >0 && ......) and assertion failed (mv && n >0)
assertion
visual-studio2015
202
views
no
answers
-1
votes
2018-11-01 23:01:16 -0600
chinplay7k
how to compare face like this
java
Facedetection
facial
recognition
confidence-score
115
views
no
answers
no
votes
2018-11-02 00:41:39 -0600
preethiopencv
Packages for autoencoder for VS C++. [closed]
visualstudio2010
c++
autoencoder
opencv
1k
views
no
answers
-1
votes
2018-11-02 00:57:23 -0600
not a robot
how to generate 3d meshes for an image in opencv? [closed]
mesh
108
views
no
answers
-1
votes
2018-11-02 06:10:40 -0600
kishan patel
how can copy data from matrix pointer to matrix variable
cameraframe
1k
views
no
answers
-1
votes
2018-11-02 15:00:02 -0600
Md.Rakibul Islam
How to read image from database(sqlite Django) not local file?
opencv
django
python3
4k
views
1
answer
-1
votes
2018-11-04 11:45:27 -0600
albertofernandez
Can anyone know the code of python to put two frames in a single window output specifically to use it in opencv
pythonopencv
2k
views
no
answers
no
votes
2018-11-03 11:53:44 -0600
Zagroscudi
Python openCv Pyqt5 [closed]
opencv
python
1k
views
no
answers
no
votes
2018-11-04 01:44:06 -0600
berak
OpenCV Error: Assertion failed ((npoints = prevPtsMat.checkVector(2, CV_32F, true)) >= 0) in calcOpticalFlowPyrLK, file /home/jiaxw/opencv/opencv-3.1.0/modules/video/src/lkpyramid.cpp, line 1114
calcOptialFlowPyrLK
967
views
no
answers
-1
votes
2018-11-04 11:18:10 -0600
ahmad14
Image comparing using "ORB" opencv for android
android
111
views
no
answers
-1
votes
2018-11-05 08:33:34 -0600
oja
Hello I am new to opencv and here's my question, how to communicate with external hardware after detecting a required feature in an image? [closed]
RaspberryPi
94
views
no
answers
-1
votes
2018-11-05 14:32:00 -0600
chillin250
Facial Recognition Alternatives to Human Identification
human_detection_
humandetection
facial-detection
facial
220
views
no
answers
no
votes
2018-11-07 04:14:24 -0600
djamaleddine djeldjli
How can I read multiple images in Python presented in a folder? [closed]
image
imageprocessing
opencv
python
2k
views
no
answers
no
votes
2018-11-08 04:48:34 -0600
berak
How to increase openpose fps with webcam
python
dnn
openpose
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