Line Extraction Using Hough Transform in the Transform Domain

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Resource Overview

The Hough Transform method can be used to extract lines in the transform domain by leveraging collinearity and line intersection relationships, converting line extraction problems into counting problems through parameter space accumulation.

Detailed Documentation

The Hough Transform method enables line extraction in the transform domain. This technique transforms lines into points in parameter space, converting line detection into a counting problem where peaks correspond to detected lines. In implementation, the Hough Transform utilizes collinear points and intersection relationships to count potential lines in images through accumulator array voting. The algorithm typically involves edge detection preprocessing, parameter space initialization, and peak detection using functions like hough() and houghpeaks() in MATLAB. Furthermore, the Hough Transform extends beyond line detection to extract circles and ellipses through different parameterizations, demonstrating broad application potential in computer vision systems for shape recognition.

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