Image segmentation approach to segment lines based on patches

Hello Respected community,

I want to take your suggestions about image segmentaion. I have three images like shown in below figure. and i want to segment out the horizental and vertical lines like in figure two.

output be like

I am not looking for some type of code. i just need best approaches to solve these type of problems.

Thanks in advance

[KALYAN ACHARJYA]

It can be multiple ways, one way Randon Transform (May be)

Answer 1

[J. Alex Lee]

If the shapes you want to segment are parameterizable, and especially if you know how many there are (3 rectangles in this case), perhaps one strategy is to overlay parameterized shapes onto the image (or an edge detected image) and minimize overlap error.