JP2013150178A5 - - Google Patents

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JP2013150178A5
JP2013150178A5 JP2012009446A JP2012009446A JP2013150178A5 JP 2013150178 A5 JP2013150178 A5 JP 2013150178A5 JP 2012009446 A JP2012009446 A JP 2012009446A JP 2012009446 A JP2012009446 A JP 2012009446A JP 2013150178 A5 JP2013150178 A5 JP 2013150178A5
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prediction
image
color difference
luminance
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JP2012009446A
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JP2013150178A (en
JP5995448B2 (en
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予測モードに対応付けられたイントラ予測方式によって、輝度および色差について予測画像を生成することで符号化データから画像を復元する画像復号装置において、  In an image decoding apparatus that restores an image from encoded data by generating a prediction image for luminance and color difference by an intra prediction method associated with a prediction mode,
輝度予測画像生成に用いた該予測モードに基づいて色差予測画像生成を行う際、上記画像の色フォーマットが4:2:2形式である場合に予測方向を補正する色差予測手段を備え、  A color difference prediction unit that corrects a prediction direction when the color format of the image is 4: 2: 2 when the color difference prediction image is generated based on the prediction mode used for luminance prediction image generation;
上記色差予測手段は、輝度予測画像生成に用いる第1の予測モードを、色差予測画像生成に用いる第2の予測モードに対応付けることを特徴とする画像復号装置。  The color difference prediction means associates a first prediction mode used for luminance predicted image generation with a second prediction mode used for color difference predicted image generation.
予測モードに対応付けられたイントラ予測方式によって、輝度および色差について予測画像を生成することで符号化データから画像を復元する画像復号方法であって、  An image decoding method for restoring an image from encoded data by generating a predicted image for luminance and color difference by an intra prediction method associated with a prediction mode,
輝度予測画像生成に用いた該予測モードに基づいて色差予測画像生成を行う際、上記画像の色フォーマットが4:2:2形式である場合に予測方向を補正する色差予測ステップを備え、  A color difference prediction step of correcting a prediction direction when the color format of the image is 4: 2: 2 when generating a color difference prediction image based on the prediction mode used for luminance prediction image generation;
上記色差予測ステップは、輝度予測画像生成に用いる第1の予測モードを、色差予測画像生成に用いる第2の予測モードに対応付けることを特徴とする画像復号方法。  The said color difference prediction step matches the 1st prediction mode used for brightness | luminance prediction image generation with the 2nd prediction mode used for color difference prediction image generation, The image decoding method characterized by the above-mentioned.
JP2012009446A 2012-01-19 2012-01-19 Image decoding apparatus and image encoding apparatus Active JP5995448B2 (en)

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JP2012009446A JP5995448B2 (en) 2012-01-19 2012-01-19 Image decoding apparatus and image encoding apparatus

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JP2016096811A Division JP6162289B2 (en) 2016-05-13 2016-05-13 Image decoding apparatus and image decoding method

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JP2013150178A JP2013150178A (en) 2013-08-01
JP2013150178A5 true JP2013150178A5 (en) 2015-03-05
JP5995448B2 JP5995448B2 (en) 2016-09-21

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GB2501535A (en) 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
JP6112031B2 (en) * 2013-03-29 2017-04-12 株式会社Jvcケンウッド Image decoding apparatus, image decoding method, and image decoding program
AU2013202653A1 (en) * 2013-04-05 2014-10-23 Canon Kabushiki Kaisha Method, apparatus and system for generating intra-predicted samples
BR112015025113B1 (en) * 2013-04-05 2023-03-21 Mitsubishi Electric Corporation COLOR IMAGE DECODING DEVICE, AND COLOR IMAGE DECODING METHOD
WO2018116925A1 (en) * 2016-12-21 2018-06-28 シャープ株式会社 Intra prediction image generating device, image decoding device, and image coding device
CN118075473A (en) * 2017-11-28 2024-05-24 Lx 半导体科技有限公司 Image encoding/decoding method, image data transmission method, and storage medium
KR20200116461A (en) * 2018-02-06 2020-10-12 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 Encoding device, decoding device, encoding method and decoding method
JP7437404B2 (en) * 2019-01-02 2024-02-22 オッポ広東移動通信有限公司 Intra prediction method, apparatus and computer storage medium
CN113965764B (en) * 2020-07-21 2023-04-07 Oppo广东移动通信有限公司 Image encoding method, image decoding method and related device

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JP5678818B2 (en) * 2011-06-23 2015-03-04 株式会社Jvcケンウッド Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program

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