Create ROIs¶

Function name: roipoly.m¶

• Description: selects a polygonal region of interest within an image, this function should be similar to MATLAB’s built-in function “roipoly”.
• Inputs: A 2D image file name
• Outputs: returns a binary image that can be used as a mask for masked filtering, returns the polygon coordinates
• Syntax: [BW, xi, yi] = roipoly(‘image.jpeg’);