可逆デインタレース処理を組込んだMotion JPEG2000のロスレス実現

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  • Ishida Takuma
    Dcpartment of Electrical and Electronic Engineering, Niigata University
  • Muramatsu Shogo
    Dcpartment of Electrical and Electronic Engineering, Niigata University
  • Kikuchi Hisakazu
    Dcpartment of Electrical and Electronic Engineering, Niigata University

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タイトル別名
  • Lossless Compression of Motion JPEG2000 Integrated with Invertible Deinterlacing

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説明

A lossless implementation technique of Motion JPEG2000 (MJP2) integrated with invertible deinterlacing is presented in this paper. The invertible deinterlacing, which has been previously published, is a technique that suppresses the comb-tooth artifacts caused by field interleaving of interlaced videos and also guarantees the recovery of the original through the inverse process. The comb-tooth artifacts affect the performance of scalable intraframe-based codecs such as MJP2 and, thus we have suggested a scenario for applying this invertible deinterlacing as a prefilter to such a scalable codec since it is possible to suppress flickering due to the artifacts for low and middle bit-rate decoding and to remove the filtering effect for high quality decoding. In this work, we further propose an exact lossless implementation technique by integrating the deinterlacer into MJP2 codecs and modifying the header information for appropriate standard decoding. We demonstrate some simulation results to show that the comb-tooth suppression capability can be kept at low bitrates with standard MJP2 decoders.Furthermore, some experimental results show that the overhead of our proposed method is less than 2.0% compared with normal field interleaving in video sequence 'Football'.

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