A Computational Approach to Edge Detection
IEEE Transactions on Pattern Analysis and Machine Intelligence
An extension to the randomized Hough transform exploiting connectivity
Pattern Recognition Letters
Hough Transform Modified by Line Connectivity and Line Thickness
IEEE Transactions on Pattern Analysis and Machine Intelligence
The Hough Transform Versus the UpWrite
IEEE Transactions on Pattern Analysis and Machine Intelligence
Fast and robust techniques for detecting straight line segments using local models
Pattern Recognition Letters
SLIDE: Subspace-Based Line Detection
IEEE Transactions on Pattern Analysis and Machine Intelligence
A fast Hough transform for segment detection
IEEE Transactions on Image Processing
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The texture of machined surfaces provides reliable information regarding the extent of tool wear. In this paper, we propose a structure-based approach to analyzing machined surfaces. The original surface images are first preprocessed by a Canny edge detector. A new connectivity-oriented fast Hough transform is then applied to the edge image to detect all the line segments. The distributions of the orientations and lengths of the line segments are used to determine tool wear. Through our experiments, we found a strong correlation between tool wear and features. The computational complexity of the fast Hough transform is also analyzed.