Fuzzy rule-based edge-restoration algorithm in HDTV interlaced sequences

被引：21
|
作者：
Jeon, Gwanggil
Anisetti, Marco
Bellandi, Valerio
Jeong, Jechang
机构：
[1] Hanyang Univ, Dept Elect & Comp Engn, Seoul 133791, South Korea
[2] Univ Milan, Dept Informat Technol, Crema, CR, Italy
来源：
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS | 2007年 / 53卷 / 02期
关键词：
deinterlacing; edge-resto ration; HDTV; fuzzy technique;
D O I：
10.1109/TCE.2007.381752
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes an interpolation algorithm for conversion from the interlaced to the progressive scanning format. The proposed algorithm consists of two parts: an edge direction detection part and a fuzzy rule-based edge-restoration interpolation part. The different types of edge, peak, and monotonic slope patterns are considered in a spatial domain interpolation strategy. Edges with a certain vertical component look preserved in the interpolation using a fuzzy rule-based algorithm. The vertical resolution in the interpolated image is subjectively concealed by introducing vertical gradients in the interpolation. Computer simulations verify the effective performance of this image processing technology.
引用
收藏
页码：725 / 731
页数：7
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