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A High Precision Line Detection Based on Local Area CCT Method  

Jung, Nam-Chae (초당대학교 정보통신공학과)
Publication Information
Journal of the Institute of Convergence Signal Processing / v.14, no.2, 2013 , pp. 82-89 More about this Journal
Abstract
A detection method of high precision digital line within image is proposed in this paper. If we set the size of image to $N{\times}N$, in fact it is difficult to use the resulting values that the amount of computation is $O(N^4)$. Multiple algorithms are examined to reduced the amount of computation to $O(N^3)$, while suppressing the degradation of precision. How to detect line from the image processing, after stretching treatment of line segments extracted by Hough transform in the local area of an image is a great way to be able to detect several long or short line at high speed, but this method is slightly less precision in the detection of tilted line segments. In this paper, a line detection method improving the precision detection of tilted line segment is applied to the local area, thereby this method does not reduce the processing speed, while it is high precision method for detecting line segments. The experimental results confirm that the proposed method can detect a high precision line in a shorter period of time, compared with the existing methods.
Keywords
Digital line; Farey sequence; Hough transformation; Line detection Image processing;
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Times Cited By KSCI : 1  (Citation Analysis)
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