Overlapping shapes recognition (OpenCV)?

I have a simple image containing some shapes: some rectangles and some ellipses, in total number of 4 or 5. The shap...

Finding all points contouring the overlapping squares?

The setup: a. 2D surface b. points (with x, y coordinates) which when connected form squares. c. I found an algo...

Create random shape/contour using matplotlib?

I am trying to generate an image of a random contour using python but I couldn't find an easy way to do it. Here is...

Python: Get values of array which correspond to contour lines?

Is there a way to extract the data from an array, which corresponds to a line of a contourplot in python? I.e. I hav...

Error: (-215:Assertion failed) npoints > 0 while working with contours using OpenCV?

When I run this code: import cv2 image = cv2.imread('screenshoot10.jpg') cv2.imshow('input image', image) gray = ...

Gaussian Contour plot of 3 variables - MATLAB?

I have generated a 3D plot that resembles Gaussian distribution, with random variables Y, X1, and X2 (1000x1) vector...

Matlab contour plot smooth colors?

Could you tell me how to plot in Matlab figure such as below (smooth transition of colors)? Function countour allows...