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Hierarchical motion estimation algorithm using reliable motion adoption

ELECTRONICS LETTERS 2010年第12期46卷 835-836页

作者： Choi, K. -S. Ko, S. -J. Korea Univ Sch Elect Engn Seoul 136701 South Korea

An enhanced hierarchical method for true motion estimation is presented that not only produces consistent motion vectors within each large object but also accurately estimates the motion of small objects. Experimental results show that a frame interpolation method provided with the motion fields of the proposed algorithm achieves average PSNR improvements of 1.2-2.3 dB for interpolated frames as compared with those of conventional algorithms.

关键词： frame interpolation method hierarchical motion estimation algorithm interpolation motion estimation reliable motion adoption

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Novel frame interpolation method for high image quality LCDs

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Journal of Information Display 2004年第3期5卷 1-7页

作者： Itoh, Goh Mishima, Nao Multimedia Laboratories Corporate Research & Development Center Toshiba Corp. Kawasaki Kanagawa 212-8582 Japan Multimedia Laboratories Corporate Research & Development Center Toshiba Corp. Kawasaki Kanagawa 212-8582 Japan

We developed a novel frame interpolation method to interpolate a frame between two successive original frames. Using this method, we are able to apply a double-rate driving method instead of an impulse driving method where a black frame is inserted between two successive original frames. The double-rate driving method enables ameliorati on of the motion blur of LCDs caused by the characteristics of human vision without reducing the luminosity of the whole screen. The image quality of the double-rate driving method was also found to be better than that of an impulse driving method using our motion picture simulator and an actual panel. Our initial model of our frame interpolation method consists of motion estimation with a maximum matching pixel count estimation function, an area segmentation technique, and motion compensation with variable segmentation threshold. Although salt and pepper noise remained in a portion of an object mainly due to inaccuracy of motion estimation, we verified the validity of our method and the possibility of improvement in hold-type motion blurring. © 2004, Taylor & Francis Group, LLC.

关键词： Double-rate driving method frame interpolation method Motion blurm Motion picture simulator

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