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2,171 questions
Tagged
python
×
1k
views
2
answers
no
votes
2016-03-29 04:34:01 -0600
StevenPuttemans
HoG Training Using SVM
python
opencv
60k
views
2
answers
1
vote
2020-07-08 07:00:19 -0600
supra56
Python-openCV: Extracting (x,y) coordinates of point features on an image
opencv
python
83k
views
2
answers
no
votes
2017-12-04 05:38:12 -0600
supra56
How to solve this cvtColor() error? "cv2.error: C:\builds\master_PackSlaveAddon-win32-vc12-static\opencv\modules\imgproc\src\color.cpp:7456: error: (-215) scn == 3 || scn == 4 in function cv::ipp_cvtColor"
python
cvtColor
videocapture
Video
CaptureVideo
3k
views
2
answers
no
votes
2016-09-06 04:59:43 -0600
Karthikeyan
output.avi file created but its size is 0k
videocapture
videowriter
python
2k
views
2
answers
1
vote
2016-09-28 18:20:04 -0600
jads_96
What is the correct way of using the cv2.correctMatches in Python
features
python
correctMatches
3k
views
2
answers
no
votes
2019-01-09 21:13:57 -0600
vasiliyx
errors on running FAST algorithm on corner detection
python
1k
views
2
answers
no
votes
2016-10-30 02:08:02 -0600
xiaoerlaigeid
Videocapture in opencv 3.0.0 is not reading the video
linux
opencv
python
585
views
2
answers
no
votes
2016-10-30 00:55:48 -0600
Zoom.Quiet
OpenCV - Python Instalation
opencv
python
install
Windows10
6k
views
2
answers
2
votes
2016-10-24 23:12:15 -0600
Balaji R
Blurred mask on image
opencv
python
image-processing
772
views
2
answers
no
votes
2016-11-17 01:56:20 -0600
KirtiSwagat
I have an error in #import numpy as np, why is that?
python
numpy
11k
views
2
answers
no
votes
2016-11-27 21:15:29 -0600
Dean Feng
no module named cv2 in Pycharm
python
pycharm
install
1k
views
2
answers
no
votes
2017-08-09 09:23:37 -0600
Ziri
Detect fire/flame using HSV filter to contours.
python
contours
3k
views
2
answers
no
votes
2017-03-28 15:26:37 -0600
Codacus
How to convert Keypoints to an argument for findhomography()?
python
homography
keypoint
point2f
point
28k
views
2
answers
no
votes
2017-02-20 03:01:13 -0600
pi-null-mezon
the dtype of read image
opencv
python
format
dtype
Input
3k
views
2
answers
no
votes
2017-02-22 12:49:19 -0600
Codacus
How to grab pixel coordinates of detected face/eyes?
Facedetection
tracking
control
opencv
python
2k
views
2
answers
no
votes
2017-08-16 21:01:27 -0600
supra56
cv2.videoCapture(filename) assigning filename dynamically
videocapture
opencv2
python
FaceRecognizer
videofile
9k
views
2
answers
no
votes
2018-07-01 23:08:01 -0600
Viraj Ghorpade
Python - Failure to import cv2: DLL load failed
python
ImportError
1k
views
2
answers
no
votes
2017-06-03 07:46:43 -0600
Fynjy8
How to find distance between centers of two green boxes?
opencv
python
796
views
2
answers
no
votes
2017-10-30 20:41:39 -0600
supra56
Why does faceCascade.detectMultiScale abort on call?
python
Facedetection
4k
views
2
answers
no
votes
2017-06-15 17:40:36 -0600
Judas
How to install OpenCV on Arch
python
arch
libhd5
5k
views
2
answers
no
votes
2017-07-10 14:57:22 -0600
KK
Import Error: cannot import name 'cv2'
opencv
python
Import_Error
7k
views
2
answers
no
votes
2017-07-23 23:20:20 -0600
yulz
Calculating image moments after connected component labeling function
python
connectedComponents
image-processing
computervision
925
views
2
answers
no
votes
2017-08-17 04:43:30 -0600
supra56
Can I build OpenCV on my Desktop Computer from source, then transfer the build folder to a raspberry pi for use on a raspberry pi?
opencv_contrib
python
RaspberryPi
build
490
views
2
answers
no
votes
2017-07-29 03:36:06 -0600
berak
I am learning Open CV using Python, and after doing some tutorials I found one exercise of hand gesture recognition but it gave me the next error :
python
10k
views
2
answers
no
votes
2017-08-15 03:40:02 -0600
supra56
How do I set exposure time of Logitech C922 webcam on OpenCV?
webcam
python
Exposure
camera
Settings
6k
views
2
answers
1
vote
2017-08-20 21:58:55 -0600
Prakash
Using trained file for predictions
Predict
python
3k
views
2
answers
1
vote
2017-08-29 12:09:22 -0600
matman
Sub-pixel estimation with match template
imageprocessing
velocity
python
1k
views
2
answers
no
votes
2017-08-31 09:35:09 -0600
vps
Dilation not working
opencv
python
dilation_erosion
distanceTransform
1k
views
2
answers
no
votes
2017-09-12 07:32:57 -0600
Arun1994
rotation-Bicubic resampling -using OpenCV python
opencv
python
interpolation
4k
views
2
answers
1
vote
2017-09-15 02:14:59 -0600
Ziri
Extracting A4 sheet out of troubling backgrounds
white
computervision
document
python
contour
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