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31,368 questions
Tagged
3
views
no
answers
no
votes
2019-09-17 16:51:51 -0500
Tina J
OpenCV 4: 'CAP_PROP_POS_FRAMES' was not declared in this scope
CAP_PROP_FPS
CAP_PROP_POS_FRAMES
20
views
1
answer
no
votes
2019-09-17 15:18:57 -0500
Chris
Software synthesizer interface detection (lines inside of circles)
HoughCircles
linedetection
matchTemplate
orientation
3
views
no
answers
no
votes
2019-09-17 13:15:59 -0500
vasanthahr
Getting new cv.Point2fVector() is not a constructor error in opencvjs
opencvjs
javascript
7
views
no
answers
no
votes
2019-09-17 10:38:09 -0500
Spinner79
cmake build error on raspbian raspberry pi 4
cmake-error
10
views
no
answers
no
votes
2019-09-17 09:01:32 -0500
Witek
Detect objects in real time video with least latency
objectdetection
53
views
1
answer
1
vote
2019-09-17 07:41:51 -0500
maxp
Image recognition on photo
image-recognition
matching
10
views
no
answers
no
votes
2019-09-17 07:16:18 -0500
bob mu
Python opencv writes frames to videos, memcpy errors leading to segmentation errors
cv2.VideoWrite
MPEG
segmentation
python
cv2
14
views
no
answers
no
votes
2019-09-17 04:08:56 -0500
hddsdd
how to merge (stitch) 2 images without black points in opencv c++
c++
12
views
no
answers
no
votes
2019-09-17 03:19:46 -0500
bnbhehe
OpenCV dnn - Squeeze & Excitation Module freezing
dnn
frozen_model
dnn.forward
getMemoryShape
tensorflow
keras-tf-opencv
18
views
no
answers
1
vote
2019-09-16 09:20:15 -0500
brendanlb
OpenCV fisheye calibration error
fisheye
calibration
error
c++
42
views
2
answers
no
votes
2019-09-16 06:05:43 -0500
Harsh1307
OpenCV failure while executing stitching in GPU
opencv
17
views
no
answers
no
votes
2019-09-16 01:47:28 -0500
MingCheng
Installed Opencv 4.1.2 pre on Ubuntu 16.04 but version shown is 2.4.9
installation
c++opencvcmake
22
views
1
answer
no
votes
2019-09-15 17:02:31 -0500
Glerp
LNK2019 error only on debug compilation [closed]
LNK2019
Debug
release
visual
studio
2017
16
views
no
answers
no
votes
2019-09-15 14:11:06 -0500
JeyP4
Is YUV2BGR_NV12 conversion necessary to imshow an YUV image?
opencv3
YUV
nv12
imshow
cvtColor
36k
views
2
answers
3
votes
2019-09-15 10:04:34 -0500
sturkmen
How to access data from a cv::Mat
Mat
Noteworthy_Content
9
views
no
answers
no
votes
2019-09-15 03:15:12 -0500
TheBotanist
Having Trouble Calibrating Stereo Fisheye/Undistorting Image
stereocalibrate
21
views
1
answer
no
votes
2019-09-14 20:18:26 -0500
sjhalayka
How I know the temperature scheme for COLORMAP_JET?
colormap
temperature
33
views
no
answers
no
votes
2019-09-14 09:10:23 -0500
wva
Determine orientation of an product for pick and place
python
opencv
orientation
Angle
calculation
40
views
no
answers
no
votes
2019-09-14 01:21:24 -0500
crobits_team
Cannot detect cars
cascadeclassifier
createsamples
opencv_annotation
47
views
2
answers
no
votes
2019-09-14 00:11:32 -0500
holger
import cv2 error in python
python
opencv
20
views
no
answers
no
votes
2019-09-13 15:31:25 -0500
alexm
cropping image with matlab module OpenCV4.1.1
Crop-image
44
views
1
answer
no
votes
2019-09-13 04:27:40 -0500
kbarni
Working on GPU in a generic way
gpu
35
views
no
answers
no
votes
2019-09-13 02:49:00 -0500
MHZ
Color detection and OCR
python
opencv
26
views
1
answer
no
votes
2019-09-12 16:21:13 -0500
David Palacios
32 bit open CV build libraries
32Bit#opencv4.0
101
views
1
answer
no
votes
2019-09-12 15:45:43 -0500
Witek
finding distance between car on real-time
opencv
distance
25
views
no
answers
no
votes
2019-09-12 08:35:30 -0500
fogx
fixed points in findHomography
cvFindHomography
16
views
1
answer
no
votes
2019-09-12 07:07:32 -0500
amirps
Using LDA as a features reduction method
lda
c++
unsupervised
clustering
23
views
no
answers
no
votes
2019-09-12 05:14:16 -0500
devsit
crack detection using opencv and java [closed]
crack
30
views
1
answer
no
votes
2019-09-12 04:51:22 -0500
heflie
Separate red and red reflection from an object
c++
HSV
77
views
no
answers
no
votes
2019-09-11 21:58:02 -0500
supra56
**I cannot open dv files**. I am getting "[dv @ 00000265f2bb24c0] Cannot find DV header" and "Error opening file (/build/opencv/modules/videoio/src/cap_ffmpeg_impl.hpp:901)" exceptions
dv
videocapture
ffmpeg
1
2
3
4
5
...
1046
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