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928 questions
Tagged
python
×
opencv
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2k
views
1
answer
no
votes
2019-07-02 05:17:30 -0600
VxW
Detect Closed loop through from the image
opencv
python
6k
views
no
answers
no
votes
2019-07-02 21:32:00 -0600
CV_Newbie
What astype(np.uint8) means?
opencv
python
UINT8
array
241
views
1
answer
no
votes
2019-08-06 18:26:43 -0600
holger
Region of interest extraction
opencv
python
96
views
no
answers
no
votes
2019-08-07 22:27:06 -0600
Harsha Satya vardhan
How can I load multiple images and add bitwise operation and save the images in computer
opencv
python
1k
views
1
answer
no
votes
2019-10-18 08:29:39 -0600
Chris
Feature extraction 3D
opencv
python
keypoint
feature-detection
3d
mesh
95
views
no
answers
-1
votes
2019-10-26 00:30:13 -0600
nusrat jahan liza
why i am getting error with this line in python code? [closed]
opencv
python
162
views
no
answers
no
votes
2019-10-27 06:16:38 -0600
perseveranter
Open cv Python line detection
opencv
python
edgedetection
465
views
no
answers
no
votes
2020-01-04 17:41:31 -0600
abbeykevin
What is the best way to get the size and speed of a bubble in a video using python? [closed]
opencv
python
Video
1k
views
1
answer
-1
votes
2020-01-05 03:01:58 -0600
mvuori
how to save video from YOLO in opencv
python
opencv
object_recognition
1k
views
no
answers
no
votes
2020-01-24 14:20:35 -0600
hernancrespo
cv2.cvtColor causes to stop Python
python
pyqt5
opencv
1k
views
2
answers
-1
votes
2020-02-01 21:10:44 -0600
supra56
How to get the number of centroids in a rectangle?[SOLVED]
opencv
python
8k
views
no
answers
no
votes
2020-02-06 19:19:04 -0600
gersonmlb
Error cv :: VideoWriter :: open VIDEOIO (CV_IMAGES): raised OpenCV exception: when executing a .exe packaged from a .py
opencv
python
videocapture
5k
views
1
answer
no
votes
2020-04-02 03:36:47 -0600
berak
How to solve error: (-215:Assertion failed) !empty() in function 'cv::CascadeClassifier::de
opencv
python
python3.7
opencv4.1.2
2k
views
1
answer
-1
votes
2020-04-30 08:56:51 -0600
supra56
How to count if circle (cv2.circle) cross the line (cv2.line)
python
opencv
526
views
no
answers
no
votes
2020-06-08 09:24:47 -0600
nvedia
Delete frames from video with a specific color or object in it
python
Open
Video
c++
opencv
video-editing
4k
views
1
answer
no
votes
2020-06-13 02:13:58 -0600
berak
I Am Trying To Do Face-recognition With Python But I Am Getting This Error: cv2.error: OpenCV(4.2.0) /Users/travis/build/skvark/opencv-python/opencv/modules/imgproc/src/resize.cpp:4045: error: (-215:Assertion failed) !ssize.empty() in function 'resize'
opencv
python
72
views
no
answers
-1
votes
2020-06-14 22:22:32 -0600
Zenora
How do i add the webcam feed from my AI facial detection software onto the top panel in my frame?
opencv
python
349
views
1
answer
-1
votes
2020-06-27 05:20:25 -0600
supra56
Python type casting [closed]
python
opencv
288
views
no
answers
-1
votes
2020-06-28 10:54:26 -0600
Dragonfly Robotics
OpenCV Training Custom Haar Cascade with Python 3
opencv
python
cvHaarCascadeClassi
4k
views
1
answer
no
votes
2020-07-28 06:51:26 -0600
berak
TypeError: Expected Ptr<cv::UMat> for argument 'src'
opencv
python
image-recognition
image_recognition
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
588
views
no
answers
-1
votes
2020-12-01 21:13:26 -0600
lilyily
Converting image to grayscale
opencv
python
5k
views
1
answer
-2
votes
2017-05-03 10:30:22 -0600
Edison
webcam capture but don't open windows with image [closed]
opencv
python
ubuntu
1k
views
1
answer
-2
votes
2017-07-18 01:09:45 -0600
berak
hello anyone answer me how to pass command line arguments through python and how this error occurs usage: object_size.py [-h] -i IMAGE -w WIDTH object_size.py: error: argument -i/--image is required in this below code [closed]
opencv
python
162
views
no
answers
-2
votes
2017-07-24 01:32:48 -0600
deesha
is there any specific function to find width and height of any object in python and opencv ? [closed]
python
opencv
131
views
no
answers
-1
votes
2020-03-12 04:09:34 -0600
alus
Distance to Center [closed]
open-cv
opencv
python
985
views
1
answer
-2
votes
2020-09-21 07:41:20 -0600
Stupend
Foot Measurement [Python]
opencv
python
Foot
measurement
1k
views
1
answer
-3
votes
2013-08-15 04:32:01 -0600
StevenPuttemans
Could you please give me code for color segmentation via opencv on python?
opencv
python
color-segmentation
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