A new method for line detection

Adaptive Fuzzy Hough Transform (AFHT)

is introduced.Based on the fuzzy mapping of edge pixels by local gradient orientations

the AFHT calculates the actual line parameters for each pixel by fuzzy reasoning with the fuzzy accumulator array as global constraints

and detects straight line segments through a reaccumulating procedure.Experimental results demonstrate that the proposed algorithm has small computational requirements

high detection accuracy

and the capability of providing complete line segment description.