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Dive into the research topics where Hidenobu Miyoshi is active.

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Featured researches published by Hidenobu Miyoshi.


picture coding symposium | 2012

Enhancement on the motion vector derivation of HEVC for interlace format

Satoshi Shimada; Jumpei Koyama; Akihiro Yamori; Kimihiko Kazui; Hidenobu Miyoshi; Akira Nakagawa

We propose a derivation scheme of a motion vector for interlace format. The adjustment of the vertical component of a chroma MV for 4:2:0 format and the adjustment of the vertical component of a luma prediction MV are introduced in order to remove inconsistency between the current derivation process of motion vector predictor and the nature of interlace format in HM4.0. The proposed scheme achieves up to 1.0dB PSNR improvements in chroma components and up to 3.4% bit-rate reduction.


Archive | 2012

VIDEO ENCODER AND VIDEO DECODER

Hidenobu Miyoshi; Akira Nakagawa


Archive | 2008

MOVING-PICTURE CODING DEVICE AND MOVING-PICTURE CODING METHOD

Akira Nakagawa; Hidenobu Miyoshi; Kimihiko Kazui; Hisanari Kimura


Archive | 2014

Video coding apparatus and method

Xuying Lei; Hidenobu Miyoshi; Satoshi Shimada


Archive | 2011

Moving image decoding method, moving image coding method, moving image decoding device and moving image decoding program

Akihiro Yamori; 章弘 屋森; Junpei Koyama; 純平 小山; Satoshi Shimada; 智史 島田; Hidenobu Miyoshi; 三好 秀誠; Kimihiko Kazui; 数井 君彦


Archive | 2010

Motion picture encoding device and motion picture decoding device

Akira Nakagawa; Hidenobu Miyoshi


Archive | 2013

MOVING IMAGE DECODING APPARATUS, MOVING IMAGE DECODING METHOD AND MOVING IMAGE ENCODING APPARATUS, AND MOVING IMAGE ENCODING METHOD

Kimihiko Kazui; Junpei Koyama; Hidenobu Miyoshi; Satoshi Shimada; Akira Nakagawa


Archive | 2015

VIDEO ENCODER AND VIDEO ENCODING METHOD

Hidenobu Miyoshi; Noriaki Tsukuda


Archive | 2010

Image encoding device, image encoding control method, and program

Hidenobu Miyoshi; Toshikazu Senuki


Archive | 2013

MOTION VIDEO ENCODING APPARATUS, MOTION VIDEO ENCODING METHOD, MOTION VIDEO ENCODING COMPUTER PROGRAM, MOTION VIDEO DECODING APPARATUS, MOTION VIDEO DECODING METHOD, AND MOTION VIDEO DECODING COMPUTER PROGRAM

Akira Nakagawa; Kimihiko Kazui; Hidenobu Miyoshi; Junpei Koyama; Satoshi Shimada

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