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5,271 questions
Tagged
opencv
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519
views
no
answers
no
votes
2020-05-17 15:01:01 -0600
YigalB
Use openCV for object+distance detection
opencv
arduino
distance
1k
views
no
answers
-1
votes
2020-05-28 12:41:00 -0600
berak
imx8: resize.cpp:3784: error: (-215:Assertion failed) !ssize.empty() in function 'resize'
opencv
872
views
no
answers
-1
votes
2020-06-07 10:10:11 -0600
supra56
error: (-215) scn == 3 || scn == 4 in function cv::cvtColor
opencv
527
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
368
views
no
answers
no
votes
2020-06-21 08:07:58 -0600
Hormuz
OpenCV VideoCapture/FFMPEG/VLC , which one for realtime Systems ?
opencv
vlc
FFMEPG
videocapture
realtime
907
views
2
answers
-1
votes
2020-06-28 05:12:46 -0600
Sai Nyi
How to change OpenCV python 3
opencv
364
views
1
answer
-1
votes
2020-06-27 05:20:25 -0600
supra56
Python type casting [closed]
python
opencv
291
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
411
views
no
answers
-1
votes
2020-07-11 22:48:56 -0600
despair104
How to solve this? (finding an image)
opencv
python3
feature-detection
2k
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
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
133
views
no
answers
-1
votes
2020-08-13 02:44:21 -0600
bely
Deep facial recognition in the python
opencv
face
recognition
744
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
330
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++
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
1k
views
no
answers
-1
votes
2020-10-16 07:34:28 -0600
atulCoder
How to detect walls and paint it?
opencv
javacv
wallDetection
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
605
views
no
answers
-1
votes
2020-12-01 21:13:26 -0600
lilyily
Converting image to grayscale
opencv
python
2k
views
1
answer
-2
votes
2013-05-08 13:01:55 -0600
Maria Tereza Blanco
Android: install Opencv Manager Package
android
opencv
manager
package
install
1k
views
1
answer
-2
votes
2013-02-18 01:48:47 -0600
Alexander Smorkalov
I wanna tutorial for Android‘s Opencv Sample without Opencv Manager！
without
opencv
manager
313
views
1
answer
-2
votes
2013-10-14 08:06:52 -0600
Artem
getting error: expected expression before ‘IplImage’ in attempt to create alias for IplImage
C
opencv
3k
views
2
answers
-2
votes
2014-10-01 10:22:47 -0600
thdrksdfthmn
alternative to opencv tool
opencv
c++
1k
views
1
answer
-1
votes
2015-04-07 07:45:05 -0600
theodore
Detect not completed triangles
c++
opencv
detect
Complete
triangle
98
views
no
answers
-2
votes
2015-10-19 15:01:02 -0600
komal
crop image [closed]
opencv
194
views
1
answer
-2
votes
2015-12-07 20:45:33 -0600
Brandon212
computing FFT at a pixel in image with opencv
FFT
opencv
c++
pixel
image
2k
views
no
answers
-2
votes
2016-03-17 06:59:34 -0600
Widad
Multiples and differents objects recognition and counting in real time with c++ opencv 3 [closed]
opencv
3.1
c++
9k
views
1
answer
-2
votes
2016-03-27 19:53:18 -0600
sai kethamakka
I want to count number of people crossing a line from either side.
opencv
c++
525
views
1
answer
-2
votes
2016-09-23 02:02:36 -0600
Vintez
Accessing the Value for each Pixel of an Output Array of phase() [closed]
c++
opencv
orientation
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