How can i classify shapes on this image as square, rectangle and circle?

i need to classify shapes on this image, Please provide me the matlab code to identify shapes on this image and classify them as square, rectangle and circle

[hitheshwar pujari]

help me out......

Answer 1

[Matt J]

See here,

https://www.mathworks.com/matlabcentral/answers/116793-how-to-classify-shapes-of-this-image-as-square-rectangle-triangle-and-circle#answer_1568698