Detecting rectangle using Hough Transform in real road images

Question

Jinwoo Jung 2016-7-13

回答： Sudhanshu Bhatt 2016-7-19

Hi!

I wanna detect road sign based on shape detection

so what I need to do first is detecting rectangle.

I extracted line segments from original image using Hough Transform, and I attached example.

As u can see, every single line(different color) contains 4 values, which means 2 points.

My problem is the lines are incomplete to be rectangle, cuz it's not connected.

Anyone has ideas to solve it???

Thx in advance!

Answer 1

Sudhanshu Bhatt 2016-7-19

Hi Jinwoo,

The below documentation link on Hough Transform in MATLAB could be useful: Hough Transform

Hope this helps!

Thanks

Sudhanshu Bhatt