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5,271 questions
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opencv
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442
views
no
answers
1
vote
2020-10-24 23:14:31 -0600
Yzich
Error when importing cv2 on Python 3.8
opencv
1k
views
no
answers
-1
votes
2020-10-23 02:07:56 -0600
Tehseen
How to find the location of a point in an image in millimeters using camera matrix?
opencv
python
calibrateCamera
cameraCalibration
178
views
no
answers
no
votes
2020-10-22 11:27:19 -0600
JT3D
boost serialization of opencv types
boost
serialization
opencv
957
views
1
answer
1
vote
2020-10-22 11:43:22 -0600
sturkmen
Clicking contours with mouse but only 1 contour can be found? [closed]
opencv
python
contours
mouseevent
2k
views
no
answers
no
votes
2020-10-17 10:57:39 -0600
sturkmen
Convert Python Into Java / Kotlin using these operations
opencv
java
python
android
1k
views
no
answers
-1
votes
2020-10-16 07:34:28 -0600
atulCoder
How to detect walls and paint it?
opencv
javacv
wallDetection
318
views
1
answer
2
votes
2020-10-27 08:48:15 -0600
8rainfog
Opencv_contrib - Surface matching issue
structured-light
surface-matching
opencv
1k
views
1
answer
no
votes
2020-10-15 11:53:37 -0600
berak
How to show the confidence level of detectMultiScale "in python"
opencv
python
detectMultiScale
confidence
1k
views
1
answer
1
vote
2020-10-18 05:11:30 -0600
rgade
Different output from Python and C++ in CalibrateHandEye()
calibrateHandEye
python
c++
opencv
773
views
1
answer
no
votes
2020-10-13 04:33:44 -0600
berak
I'm getting the following error while using OpenCV
opencv
with
python
363
views
1
answer
-1
votes
2020-10-28 00:47:01 -0600
sturkmen
Creating simple custom librarys using the opencv library
Library
c++
opencv
2k
views
1
answer
no
votes
2020-10-15 09:58:36 -0600
crackwitz
Videocapture using HDMI camera as HDMI input [closed]
opencv
hdmi
Video
capture
python
c++
8k
views
1
answer
no
votes
2020-10-10 14:52:27 -0600
berak
OPENCV 4.04 > THRESH_OTSU mode: > 'src_type == CV_8UC1 || src_type == CV_16UC1' > where > 'src_type' is 6 (CV_64FC1)
opencv
pyhton
329
views
no
answers
no
votes
2020-10-07 15:11:30 -0600
BullyWiiPlaza
Cannot convert image types using the C++ API
c++
opencv
windows
visual-c++
498
views
1
answer
no
votes
2020-10-11 15:15:49 -0600
crackwitz
Cannot Figure Out How To Run OpenCV
opencv
c++
mac
473
views
no
answers
no
votes
2020-10-07 07:18:55 -0600
v.suri
image.channels() not counting correctly for 2 channel tif images.
c++
opencv
1k
views
1
answer
no
votes
2020-10-04 11:34:02 -0600
supra56
python: How to Crop White region from Number Plate image??
opencv
python
Crop-image
numberplate
image
292
views
no
answers
no
votes
2020-10-04 03:17:17 -0600
Dudi
crash in cv::Mat release function
opencv
crash
release
742
views
2
answers
no
votes
2020-10-07 14:36:18 -0600
superfly
how do I add missing module cv::drawFrameAxes without breaking installation
matrix
computer
vision
opencv
installation
drawframeaxes
4k
views
1
answer
no
votes
2020-10-02 04:10:49 -0600
berak
Image frame saving from Video without losing resolution and quality
image-processing
opencv
python
videocapture
save
325
views
no
answers
no
votes
2020-09-29 04:13:09 -0600
Ricki Hutagaol
how to create an image box in python using tkinter
opencv
python
254
views
no
answers
no
votes
2020-09-28 06:59:48 -0600
Scheolin
Camera Center from rvecs and tvecs
opencv
230
views
no
answers
no
votes
2020-09-25 11:30:43 -0600
Vishwanath Garrepalli
Hi I have started working in ML and CV field recently. I want to participate in GSoC 2021. Can someone please guide and suggest me what I should do for contributing.
GSOC2021
opencv
106
views
no
answers
no
votes
2020-09-25 08:36:25 -0600
Pawan29
What is the length of the tape/strip from the image?
opencv
and
python
268
views
no
answers
no
votes
2020-09-25 09:05:59 -0600
jast_r
Preform separation and image segmentation
c++
opencv
segmentation
defectdetection
190
views
no
answers
no
votes
2020-09-25 05:34:38 -0600
Supreeth Kumar Y P
How to update UMat when Mat is updated?
c++
opencv
Mat
UMat
opencl
10k
views
1
answer
no
votes
2020-09-24 10:44:53 -0600
berak
how to solve (-215:Assertion failed) !empty() in function 'cv::CascadeClassifier::detectMultiScale'
opencv
python
225
views
no
answers
no
votes
2020-09-29 08:49:30 -0600
kilwa
how can i draw a contours in specific region
opencv
python
357
views
no
answers
no
votes
2020-11-11 12:50:37 -0600
aliakseis
Measuring of lanes or stripes on noisy and underexposed images
opencv
computer-vision
image-recognition
6k
views
1
answer
no
votes
2020-09-24 05:12:14 -0600
mvuori
cv:imwrite Python error with Windows: can't open file for writing: permission denied
python3
windows
imwrite
opencv
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