1) Simple version of Dijkstra that supports sparse matrices as an input
2) im2graph for converting an image to graph representation (sparse distance matrix). Supports both 4 connected and 8 connected neighborhoods
Y Simson (2022). Dijkstra lowest cost for images (https://www.mathworks.com/matlabcentral/fileexchange/46088-dijkstra-lowest-cost-for-images), MATLAB Central File Exchange. Retrieved .
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