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A Motion-Adaptive Deinterlacer via Hybrid Motion Detection and Edge-Pattern Recognition

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Author(s): Lee GwoGiun | Wang Ming-Jiun | Li Hsin-Te | Lin He-Yuan

Journal: EURASIP Journal on Image and Video Processing
ISSN 1687-5176

Volume: 2008;
Issue: 1;
Start page: 741290;
Date: 2008;
Original page

ABSTRACT
Abstract A novel motion-adaptive deinterlacing algorithm with edge-pattern recognition and hybrid motion detection is introduced. The great variety of video contents makes the processing of assorted motion, edges, textures, and the combination of them very difficult with a single algorithm. The edge-pattern recognition algorithm introduced in this paper exhibits the flexibility in processing both textures and edges which need to be separately accomplished by line average and edge-based line average before. Moreover, predicting the neighboring pixels for pattern analysis and interpolation further enhances the adaptability of the edge-pattern recognition unit when motion detection is incorporated. Our hybrid motion detection features accurate detection of fast and slow motion in interlaced video and also the motion with edges. Using only three fields for detection also renders higher temporal correlation for interpolation. The better performance of our deinterlacing algorithm with higher content-adaptability and less memory cost than the state-of-the-art 4-field motion detection algorithms can be seen from the subjective and objective experimental results of the CIF and PAL video sequences.
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