基于边缘增强的高效扫描转换及其VLSI结构

Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI:10.1109/TENCON.1999.818367

H. Lee, T. Bae, Jin Woo Park, Kun-Woen Song, Yeong-Ho Ha

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引用次数: 4

摘要

基于场的扫描转换将交错序列中的每个场转换为递进格式或将场率从60 Hz增加一倍至120 Hz。本文提出了一种新的基于场的扫描转换方法，该方法由基于空间相关的空间插值和边缘增强两部分组成。首先，沿垂直方向进行保边定向插值，使场率提高一倍;其次，采用基于非锐化掩蔽的边缘增强，提高对HVS(人类视觉系统)敏感的对比度;该方法非常简单，实现算法的硬件复杂度很低。

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Efficient scan conversion with edge enhancement and its VLSI architecture

Field-based scan conversion converts every field in an interlaced sequence to a progressive format or doubles the field rate from 60 Hz to 120 Hz. This paper proposes the new field-based scan conversion that consists of spatial interpolation based on spatial correlation and edge enhancement. First, edge-preserving directional interpolation is performed along the vertical direction to double the field rate. Second, edge enhancement based on unsharp masking is used to increase the contrast which is sensitive to the HVS (human visual system). The proposed method is very simple and hardware complexity for realizing the algorithm is very low.

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来源期刊

Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)

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