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Dive into the research topics where Youji Shibahara is active.

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Featured researches published by Youji Shibahara.


international conference on consumer electronics | 2006

Complexity and memory reduction for high-quality interlace video coding in H.264/AVC

K. Takita; Youji Shibahara; N. Matsuda; S. Sakaguchi; Shinya Kadono

We propose two techniques for an H.264/AVC hardware encoder, maximum three reference fields selection and restriction of the number of MC size based on picture coding type. The proposed method can reduce complexity by more than 40% and the amount of memory by 25% without visual degradation.


international conference on consumer electronics | 2007

Study on adaptive reference picture selection in H.264/AVC interlaced coding

Kazuya Takagi; Youji Shibahara; Toshiyasu Sugio; Takahiro Nishi

We propose a reference picture selection scheme in H.264/AVC interlaced coding. Only two reference fields for one B-field are adaptively selected depending on the scene characteristics. The proposed method provides 10% coding efficiency gain over non-adaptive selection methods with the same number of reference pictures.


Archive | 2013

Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus

Chong Soon Lim; Viktor Wahadaniah; Sue Mon Thet Naing; Takahiro Nishi; Youji Shibahara; Hisao Sasai; Toshiyasu Sugio


Archive | 2012

IMAGE CODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING METHOD, IMAGE DECODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS

Toshiyasu Sugio; Takahiro Nishi; Youji Shibahara; Kyoko Tanikawa; Hisao Sasai; Toru Matsunobu


Archive | 2012

IMAGE DECODING METHOD, IMAGE CODING METHOD, IMAGE DECODING APPARATUS, IMAGE CODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS

Hisao Sasai; Takahiro Nishi; Youji Shibahara; Toshiyasu Sugio; Kyoko Tanikawa; Toru Matsunobu


Archive | 2014

Image coding method, image decoding method, image coding apparatus, and image decoding apparatus

Toshiyasu Sugio; Takahiro Nishi; Youji Shibahara; Hisao Sasai


Archive | 2012

Moving picture coding method, moving picture coding apparatus, moving picture decoding method, moving picture decoding apparatus, and moving picture coding and decoding apparatus

Toshiyasu Sugio; Takahiro Nishi; Youji Shibahara; Hisao Sasai


Archive | 2013

Moving picture coding method, moving picture decoding method, moving picture coding apparatus, moving picture decoding apparatus, and moving picture coding and decoding apparatus

Toshiyasu Sugio; Takahiro Nishi; Youji Shibahara; Hisao Sasai


Archive | 2013

IMAGE ENCODING METHOD, IMAGE DECODING METHOD, IMAGE ENCODING DEVICE, AND IMAGE DECODING DEVICE

Daisaku Komiya; Takahiro Nishi; Youji Shibahara; Kyoko Tanikawa; Hisao Sasai; Toshiyasu Sugio; Kengo Terada; Toru Matsunobu


Archive | 2011

Image decoding method, image coding method, image decoding apparatus, image coding apparatus, program, and integrated circuit

Hisao Sasai; Takahiro Nishi; Youji Shibahara; Chong Soon Lim; Viktor Wahadaniah; Xuan Jing; Sue Mon Thet Naing

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