Coding Performance Improvement Scheme Effective for H.264 FR-Ext Encoding with Super High Definition Video by Maximum Macroblock Size Extension

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  • 超高精細映像のH.264 FR-Ext符号化を対象とした最大マクロブロックサイズ拡張による符号化効率改善方式
  • チョウコウセイサイ エイゾウ ノ H 264 FR Ext フゴウカ オ タイショウ ト シタ サイダイ マクロブロックサイズ カクチョウ ニ ヨル フゴウカ コウリツ カイゼン ホウシキ

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Abstract

H.264 FR-Ext, one of the standard video coding scheme, can encode over HD size resolution video since applicable maximum resolution is defined as 4096×2304. However, in case encoding super high definition video, such as 4K system, the coding performance may improve by extending the motion compensation estimation size since the size used by the scheme is too small compared with the image resolution. Therefore, the method to improve H.264 FR-Ext coding performance with super high definition video by extending macroblock size is proposed in this paper. The effectiveness of the proposed method is evaluated by several experimental results.

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