Detection of Gradual Scene Boundaries with Linear and Circular Moving Borders

Jang Seok-Woo; Seong-Yun Cho

Journal of The Korea Society of Computer and Information

Abbr : JKSCI
2012, 17(4), pp.41-49
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science

Jang Seok-Woo ¹, Seong-Yun Cho ²

¹안양대학교
²안양대학교

ABSTRACT

This paper proposes a detection method of wipes including horizontal wipes with linear moving borders, such as horizontal or vertical wipes, Barn Doors, and Iris Rounds with circular moving borders. The suggested method first obtains a difference image between two adjacent frames, and extracts lines and circles by applying Hough transformation to the extracted difference image. Then, we detect wipe transitions by employing an evaluation function that analyzes the number of moving trajectories of lines or circles, their moving direction and magnitude. To evaluate the performance of the suggested algorithm, experimental results show that the proposed method can effectively detect wipe transitions with linear and circular moving borders rather than some existing methods.
KEYWORDS

Gradual Scene Boundary, Moving Border, Line Extraction, Hough Transform, Circle Detection
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