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32,804 questions
Tagged
2
views
no
answers
no
votes
2020-04-04 23:17:01 -0500
AaronB
Converting from OpenCV 3.4 to 4.2 divide issue (different results)
divide
opencv3.4
opencv4.2
8
views
1
answer
-1
votes
2020-04-04 20:50:36 -0500
supra56
AttributeError: 'NoneType' object has no attribute 'shape'
python#opencv#
10
views
no
answers
no
votes
2020-04-04 14:30:06 -0500
D_Deepak
How to increase width of a line, which is an output of Canny edge detector in OpenCV
cannyEdge
cannyedgedetection
cvCanny
canny
18
views
no
answers
no
votes
2020-04-04 14:21:29 -0500
D_Deepak
What (if any) exact normalization is done on high_threshold and gradient_magnitude in Canny edge detector in OpenCV
cannyEdge
cannyedgedetection
cvCanny
canny.
30
views
2
answers
no
votes
2020-04-04 12:56:16 -0500
supra56
How to convert dashed lines to solid?
dashedline
10
views
no
answers
no
votes
2020-04-04 11:45:20 -0500
balourdos
ArUco: Getting the coordinates of a marker in the coordinate system of another marker
aruco
3dprojection
coordinate-system
20
views
no
answers
no
votes
2020-04-04 11:40:48 -0500
robin32
cv::cuda morphology much slower than cv::morphologyEx
cuda#opencv#cpp
8
views
no
answers
no
votes
2020-04-04 11:30:27 -0500
cvsolver
Finding depth of an object using 2 cameras
3d
depth
stereocamera
stereo_match
Stereovision
stereorectify
16
views
no
answers
no
votes
2020-04-04 08:29:12 -0500
antithing
Using findHomography to create 'fake' intrinsics?
findHomography
calibration
intrinsics
10
views
no
answers
no
votes
2020-04-04 04:40:51 -0500
Humam Helfawi
Stable Translation from essential decomposition
SLAM
28
views
no
answers
no
votes
2020-04-04 03:44:38 -0500
mgv18
Open cv installation on Raspberry Pi 3
RaspberryPi3#OpenCV
22
views
1
answer
no
votes
2020-04-04 03:10:26 -0500
berak
Sleep (or equivalent) vs waitKey
c++
multi-camera
waitkey
14
views
1
answer
no
votes
2020-04-04 02:00:30 -0500
berak
Python cv2 inRange : how to segment "reddish" colors in HSV space
skin
Color
cv.inRange
HSV
python
17
views
no
answers
no
votes
2020-04-03 21:09:05 -0500
supra56
Bad triangulation in stereo camera setup on FOV borders
stereo
stereocalibration
triangulatePoints
12
views
no
answers
no
votes
2020-04-03 17:07:21 -0500
SL7
What is the smallest possible board to run OpenCV on?
embedded
micro
drone
linux
robotics
small
12
views
no
answers
no
votes
2020-04-03 13:55:38 -0500
VCAS
net.Forward outputs differ from the keras outputs
tensorflow
keras-tf-opencv
18
views
no
answers
no
votes
2020-04-03 10:42:12 -0500
berak
Face detection and time - video
Facedetection
57
views
no
answers
no
votes
2020-04-03 08:57:03 -0500
Ricky6779
Ludicrouz.J trojan detected in built exe
trojan
19
views
no
answers
-1
votes
2020-04-03 05:52:54 -0500
simonsk1990
Why its necessary to have cv2.waitKey() & 0xff to run video
cv2.imshow
46
views
1
answer
no
votes
2020-04-02 13:32:38 -0500
crackwitz
How to save OpenCV image in MySQL database?
python
mysqlopencv
cv2
30
views
1
answer
no
votes
2020-04-02 13:23:07 -0500
crackwitz
Does CV(IMREAD.flag) support channels more than 5
opencv
python
imread
38
views
1
answer
no
votes
2020-04-02 13:04:13 -0500
crackwitz
how to find vertical bright line in the xray image?
opencv
35
views
1
answer
no
votes
2020-04-02 12:56:43 -0500
crackwitz
OpenCV VideoCapture 2fps
aruco
opencv
slow
Video
capture
22
views
1
answer
no
votes
2020-04-02 12:37:17 -0500
CarlEmail
Printer ink not black in IR
print
infrared
16
views
no
answers
-1
votes
2020-04-02 12:23:44 -0500
fabio-C
Image similarity: recognize handwritten signature.
image
similarity
signature
handwriting
53
views
2
answers
no
votes
2020-04-02 12:21:42 -0500
crackwitz
How to delay programm without stopping video feed in Python3
python3
opencv
wificam
28
views
1
answer
1
vote
2020-04-02 12:06:16 -0500
crackwitz
Is the output of approxPolyDP(c) a subset of the input contour c?
approxPolyDP
approximation
13
views
no
answers
no
votes
2020-04-02 11:05:01 -0500
alecda
opencv_world412d.dll was not found
installation
opencv
c++
install
18
views
1
answer
no
votes
2020-04-02 10:27:33 -0500
HagymaGyilkos
how to find centroid, area, orientation of a particular region in an image
python
45
views
1
answer
no
votes
2020-04-02 03:36:47 -0500
berak
How to solve error: (-215:Assertion failed) !empty() in function 'cv::CascadeClassifier::de
opencv
python
python3.7
opencv4.1.2
1
2
3
4
5
...
1094
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