Motion compensated frame rate up-conversion for low frame rate video

Authors:
Kenji Sugiyama;Mitsuhiro Fujita;Takahiro Yoshida;Seiichiro Hangai
Affiliations:
Faculty of Science and Technology, Seikei University, Tokyo, Japan;Faculty of Engineering, Tokyo University of Science, Tokyo, Japan;Faculty of Engineering, Tokyo University of Science, Tokyo, Japan;Faculty of Engineering, Tokyo University of Science, Tokyo, Japan
Venue:
VLBV'05 Proceedings of the 9th international conference on Visual Content Processing and Representation
Year:
2005

Citing 5
Cited 0

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Motion compensated frame interpolation by new block-based motion estimation algorithm

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Abstract

Frame rate up-conversion is useful for low frame rate pictures such as movie. In case of conversion, basic motion compensation causes gap at covered area and uncovered area. To avoid the gap, we propose the motion compensation centered at the position of target. Fully motion compensated interpolation is possible in this method. To realize this, error normalizing by block activity is used for motion estimation. We also propose the adaptive interpolation by using four frames. Finally, we compare the original picture with the interpolated picture converted from decimated picture. The proposed conversion method gives 5dB better at the maximum PSNR than the conventional method.