A contour line for a function of two variables is a curve connecting points where the function has the same particular value.
I am working on Retinal fundus images.The image consists of a circular retina on a black background. With OpenCV, …
python image opencv image-processing contourI want to extract the edges of hand but I get the following result. I've tried adjusting the low and …
c++ opencv contour edge-detectionI need to calculate the area of a blob/an object in a grayscale picture (loading it as Mat, not …
c++ opencv contourPossible Duplicate: Understanding region of interest in openCV 2.4 i want to get a sub-image (the one bounded by the red …
c++ image image-processing opencv contourWhen filling a grid with color such as when using contourf in pyplot, I need to find a way to …
python matplotlib contour color-mapping colorbarI would like to get data from a single contour of evenly spaced 2D data (an image-like data). Based on …
python numpy matplotlib scipy contourI have problems with a contour-plot using logarithmic color scaling. I want to specify the levels by hand. Matplotlib, however, …
python matplotlib plot logging contourIn python, If I have a set of data x, y, z I can make a scatter with import matplotlib.…
python matplotlib contour scatter-plotI need to use cv::FindContours() in a program and I have to know the algorithm behind that. What algorithm …
algorithm opencv computer-vision contour