Topics tagged core

Topic	Replies	Views	Activity
Read Access Violation from opencv_cored.dll when using .converTo() C++ core	2	360	June 29, 2021
Store in Matrix the Row and Column of White pixels C++ core	3	273	June 27, 2021
Writing Mat from AndroidBitmapGetPixels saves black image Android/Java core	2	455	June 24, 2021
Is there a way to read an image into an allocated space of memory? core , imgcodecs	2	610	June 18, 2021
1D array to 16bits greyscale mat C++ mat , core	3	1002	June 17, 2021
How can I isolate the phase or amplitude of vertical spatial frequencies in an image? Python core	0	228	June 16, 2021
How to deal with large images Python mat , core	15	8736	June 5, 2021
What is setNumThreads for? core	3	409	June 4, 2021
MSER with a masked image Python features2d , core	0	403	May 24, 2021
How to put an image over another one... But the one on top almost transparent C++ imgproc , core	2	284	May 23, 2021
OpenCV JS - Rectangle and edges opencvjs , imgproc , core	0	727	March 30, 2021
How to loose pixel ownership of a Mat C++ mat , core	4	659	May 6, 2021
OnSemi/Aptina ap_ColorPipe RGB-32 output conversion to cv::Mat format C++ videoio , imgproc , core	2	315	April 30, 2021
Analyze RGB Videostream C++ mat , videoio , imgproc , core	7	704	April 28, 2021
When using a threshold, how can I tell which of the pixels are collected? Python mat , imgproc , core	1	343	April 26, 2021
How can I count how many black and white pixels are on a picture? mat , core	1	710	April 23, 2021
How to output the difference between `image1 - image2` in value? imgproc , core	7	846	April 19, 2021
Cannot change pixel value of image C++ mat , core	2	1602	April 17, 2021
Transform a ring to straight Python imgproc , core	3	1103	April 13, 2021
How can I tell the angle from a horizontal line? Python imgproc , core	7	5951	April 13, 2021
Find the dominant color from the image C++ imgproc , core	1	2154	April 12, 2021
Is it possible to display an matrix with an Bitdepth of 16 Bit (Colormap) C++ mat , imgproc , core	2	599	April 9, 2021
1-dimensional k-means clustering c++ C++ kmeans , imgproc , core	5	1128	April 8, 2021
Data type changed after .clone or copyTo mat , core	4	516	April 7, 2021
How do I differentiate between these images using opencv and PCA? Python imgproc , core	4	512	April 5, 2021
Assertion error when running `rotatedRectangleIntersection` Python imgproc , core	8	917	April 3, 2021
How to Detect Color of a detected blob? C++ features2d , imgproc , core	12	1372	April 1, 2021
Help manipulating color levels Python numpy , imgproc , core	6	1007	March 31, 2021
How to normalize array into a Mat frame line C++ imgproc , core	3	718	March 30, 2021
Python representation of Mat with pointer to user data Python mat , calib3d , highgui , videoio , core	7	1779	March 24, 2021