Polygons

[Jeffrey-Joan]

function mask_to_polygons_multi

• Description: This function converts a multi-class mask image into a list of polygons, labels, and annotations.
• Parameters: Takes a 2D numpy array representing the mask image.
• Returns: Lists of polygon coordinates, corresponding class labels, and dictionaries containing bounding box information.

Usage:
mask = cv2.imread('mask.png', cv2.IMREAD_GRAYSCALE)
polygons, labels, annotations = mask_to_polygons_multi(mask)