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29,830 questions
Tagged
127
views
no
answers
-1
votes
2020-06-25 01:34:32 -0600
Malathi_72
Create mask of one column/row [closed]
image
access_mask
1k
views
2
answers
-1
votes
2020-06-28 05:12:46 -0600
Sai Nyi
How to change OpenCV python 3
opencv
541
views
1
answer
-1
votes
2020-06-27 05:20:25 -0600
supra56
Python type casting [closed]
python
opencv
336
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
189
views
no
answers
no
votes
2020-06-30 20:59:01 -0600
supra56
Inline undistorting an image
lens-distortion
4k
views
1
answer
-1
votes
2020-07-02 09:11:45 -0600
Oregano Hauch
Imshow doesn't work in Jupyter and PyCharm [closed]
cv2.imshow
591
views
no
answers
no
votes
2020-07-02 13:24:25 -0600
alan89
Detect head using Haar Cascade, wont detect tilted head?
android
detection
607
views
2
answers
no
votes
2020-07-03 09:45:27 -0600
holger
i am doing a project to predict age and gender using tensorflow and opencv. and how to add path for xml file.
python3
opencv4
182
views
no
answers
no
votes
2020-07-06 03:41:46 -0600
berak
Existing models on images of cars taken horizontally? [closed]
drone
vehicle
141
views
no
answers
-1
votes
2020-07-06 08:25:13 -0600
adamtry
Black line following racecar [closed]
Line
linefollowing
racecar
125
views
no
answers
no
votes
2020-07-06 10:53:09 -0600
Horst
Multithreading Problem
multi-thread
10k
views
1
answer
no
votes
2020-07-07 04:27:25 -0600
supra56
closing video with any key
cv2.waitKey
28k
views
1
answer
no
votes
2020-07-08 06:20:21 -0600
berak
how do i create a blank image in opencv-python without using numpy?
opencvpython
imagestructure
2k
views
no
answers
no
votes
2020-07-09 22:59:30 -0600
FikMisfits
body height measurement and length of arm with OpenCV from a single still image capture.
measurement
458
views
no
answers
-1
votes
2020-07-11 22:48:56 -0600
despair104
How to solve this? (finding an image)
opencv
python3
feature-detection
3k
views
1
answer
-1
votes
2020-07-11 08:15:46 -0600
berak
how to resolve (-215:Assertion failed) !_src.empty() in function 'cv::boxFilter'
java
opencv
163
views
no
answers
-1
votes
2020-07-14 04:07:43 -0600
werther
edge detection in garden [closed]
edgedetection
1k
views
1
answer
-1
votes
2020-07-23 06:22:31 -0600
berak
Conversion JPEG to raw image
jpeg
3k
views
no
answers
-1
votes
2020-08-05 22:53:20 -0600
supra56
Capture Video from Camera using cv2.VideoCapture(0) not working
cv2VideoCapture
251
views
no
answers
-1
votes
2020-07-25 07:37:49 -0600
SezerD
Finding Perpendicular Speed of a Ball [closed]
balltracking
speed
480
views
no
answers
no
votes
2020-07-26 10:42:25 -0600
usuf
how to convert xy coordinates to Gcode [closed]
opencv#nodejs
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
323
views
no
answers
-1
votes
2020-08-03 09:55:52 -0600
mprabhakarece
Problem in ORB feature matching [closed]
ORB#C++#Feature
matching
768
views
no
answers
no
votes
2020-08-05 22:14:11 -0600
supra56
cv2.error: assertion failed imshow [closed]
linux
imread
imshow
assertion
assertion_failed
905
views
no
answers
-1
votes
2020-08-04 12:16:43 -0600
jaiswati
Drawing borders to any borderless tables using openCV [closed]
Line
2k
views
1
answer
no
votes
2020-08-07 11:46:18 -0600
Ajay
How to develop a model to detect a point crossed a line?
camera
calibration
calibrationCamera
robot
tripwire
linedetection
1k
views
1
answer
-1
votes
2020-09-25 07:49:08 -0600
Supreeth Kumar Y P
Disable file system cache during imwrite [closed]
c++
cache
linux
imread
452
views
no
answers
no
votes
2020-08-10 05:26:13 -0600
pedrolula06
LNK1104 cannot open file 'opencv_world440.obj'
opencv#c++#visual
5k
views
no
answers
-1
votes
2020-08-12 10:35:37 -0600
Coder123456789
why do i get this error
python
161
views
no
answers
-1
votes
2020-08-13 02:44:21 -0600
bely
Deep facial recognition in the python
opencv
face
recognition
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