JP2013223029A5 - - Google Patents

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JP2013223029A5
JP2013223029A5 JP2012092077A JP2012092077A JP2013223029A5 JP 2013223029 A5 JP2013223029 A5 JP 2013223029A5 JP 2012092077 A JP2012092077 A JP 2012092077A JP 2012092077 A JP2012092077 A JP 2012092077A JP 2013223029 A5 JP2013223029 A5 JP 2013223029A5
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JP2013223029A (en
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Priority claimed from JP2012092077A external-priority patent/JP5696683B2/en
Priority to SI201331783T priority patent/SI3515079T1/en
Priority to EP19161411.4A priority patent/EP3515077B1/en
Priority to CA2960604A priority patent/CA2960604C/en
Priority to PL19161411T priority patent/PL3515077T3/en
Priority to SG10202002472RA priority patent/SG10202002472RA/en
Priority to PCT/JP2013/002514 priority patent/WO2013153824A1/en
Priority to EP20189847.5A priority patent/EP3754991B1/en
Priority to HUE19161418A priority patent/HUE050469T2/en
Priority to EP13775455.2A priority patent/EP2838260B1/en
Priority to HUE13775455 priority patent/HUE044347T2/en
Priority to AU2013247974A priority patent/AU2013247974B2/en
Priority to MX2017003502A priority patent/MX363851B/en
Priority to DK19161418.9T priority patent/DK3515078T3/en
Priority to CN201510583843.3A priority patent/CN105187843B/en
Priority to SI201331784T priority patent/SI3515078T1/en
Priority to EP19161423.9A priority patent/EP3515080B1/en
Priority to TR2019/08450T priority patent/TR201908450T4/en
Priority to MX2016007154A priority patent/MX346521B/en
Priority to EP19161421.3A priority patent/EP3515079B1/en
Priority to TW106116702A priority patent/TWI613908B/en
Priority to TW105133274A priority patent/TWI592010B/en
Priority to ES19161411T priority patent/ES2820316T3/en
Priority to ES19161421T priority patent/ES2820318T3/en
Priority to CA3191379A priority patent/CA3191379A1/en
Priority to CN201510583771.2A priority patent/CN105187830B/en
Priority to DK13775455.2T priority patent/DK2838260T3/en
Priority to BR112014023933A priority patent/BR112014023933B1/en
Priority to PL19161423T priority patent/PL3515080T3/en
Priority to CN201510582521.7A priority patent/CN105245906B/en
Priority to MYPI2017000009A priority patent/MY162891A/en
Priority to CN201380018023.9A priority patent/CN104247419B/en
Priority to TW107136525A priority patent/TWI666917B/en
Priority to HUE19161411A priority patent/HUE050470T2/en
Priority to CA3114391A priority patent/CA3114391C/en
Priority to MYPI2014002669A priority patent/MY183790A/en
Priority to HUE19161423A priority patent/HUE050468T2/en
Priority to PL19161418T priority patent/PL3515078T3/en
Priority to ES19161418T priority patent/ES2820332T3/en
Priority to MYPI2017000011A priority patent/MY162892A/en
Priority to RU2017133607A priority patent/RU2668399C9/en
Priority to RU2014145618A priority patent/RU2633175C9/en
Priority to CN201710085119.7A priority patent/CN107087202B/en
Priority to MYPI2016000985A priority patent/MY177865A/en
Priority to EP24167855.6A priority patent/EP4376413A1/en
Priority to PE2014001633A priority patent/PE20150373A1/en
Priority to TW102113230A priority patent/TWI566581B/en
Priority to SI201331477T priority patent/SI2838260T1/en
Priority to PL13775455T priority patent/PL2838260T3/en
Priority to CA2869637A priority patent/CA2869637C/en
Priority to MYPI2017000010A priority patent/MY166213A/en
Priority to PL19161421T priority patent/PL3515079T3/en
Priority to CN201510583247.5A priority patent/CN105245907B/en
Priority to HUE19161421A priority patent/HUE050514T2/en
Priority to ES13775455T priority patent/ES2733057T3/en
Priority to PE2019001895A priority patent/PE20191435A1/en
Priority to SG10201505293UA priority patent/SG10201505293UA/en
Priority to ES19161423T priority patent/ES2820322T3/en
Priority to SG10201806313VA priority patent/SG10201806313VA/en
Priority to TW106144428A priority patent/TWI642296B/en
Priority to DK19161421.3T priority patent/DK3515079T3/en
Priority to MX2014012155A priority patent/MX339686B/en
Priority to CA3191369A priority patent/CA3191369A1/en
Priority to SG11201405947YA priority patent/SG11201405947YA/en
Priority to EP19161418.9A priority patent/EP3515078B1/en
Publication of JP2013223029A publication Critical patent/JP2013223029A/en
Publication of JP2013223029A5 publication Critical patent/JP2013223029A5/ja
Priority to US14/495,430 priority patent/US9615109B2/en
Priority to PH12014502137A priority patent/PH12014502137B1/en
Priority to MX2019003952A priority patent/MX2019003952A/en
Priority to CL2014002748A priority patent/CL2014002748A1/en
Application granted granted Critical
Publication of JP5696683B2 publication Critical patent/JP5696683B2/en
Priority to AU2016210589A priority patent/AU2016210589B2/en
Priority to US15/435,369 priority patent/US9706211B2/en
Priority to PH12017500791A priority patent/PH12017500791B1/en
Priority to PH12017500790A priority patent/PH12017500790A1/en
Priority to PH12017500788A priority patent/PH12017500788B1/en
Priority to PH12017500789A priority patent/PH12017500789A1/en
Priority to US15/613,864 priority patent/US9872030B2/en
Priority to US15/613,902 priority patent/US9872031B2/en
Priority to US15/613,776 priority patent/US9872029B2/en
Priority to AU2017245338A priority patent/AU2017245338B2/en
Priority to RU2018132866A priority patent/RU2689808C9/en
Priority to AU2019200733A priority patent/AU2019200733B2/en
Priority to RU2019105780A priority patent/RU2705650C9/en
Priority to RU2019105775A priority patent/RU2713848C1/en
Priority to AU2020202671A priority patent/AU2020202671B2/en
Priority to HRP20201461TT priority patent/HRP20201461T1/en
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復号対象となる画像と予測対象となる画像との差分情報が、複数のサブブロックに分割され、分割された前記サブブロックが所定の順序で符号化された符号化ストリームを、復号する画像復号装置であって、
前記サブブロックに属する各差分係数の値の全てがゼロであるか否かを示す有意サブブロック情報を復号する有意サブブロック情報復号部と、
前記差分係数の値がゼロであるか否かを示す有意差分係数情報を復号する有意差分係数情報復号部と、
前記差分係数の値を復号する差分係数値復号部と、
復号対象となる前記サブブロックに水平方向に隣接する復号済みのサブブロックの有意サブブロック情報と垂直方向に隣接する復号済みのサブブロックの有意サブブロック情報に基づいてインデックスを導出し、前記インデックスと、前記復号対象となるサブブロックにおける復号対象となる差分係数の位置に基づいて、前記復号対象となる差分係数の前記有意差分係数情報を復号するためのコンテキストを導出するコンテキスト導出部と
を備えることを特徴とする画像復号装置。 An image decoding device that decodes an encoded stream in which difference information between an image to be decoded and an image to be predicted is divided into a plurality of sub-blocks, and the divided sub-blocks are encoded in a predetermined order. Because
A significant sub-block information decoding unit for decoding significant sub-block information indicating whether or not all the values of the difference coefficients belonging to the sub-block are zero;
A significant difference coefficient information decoding unit for decoding significant difference coefficient information indicating whether the value of the difference coefficient is zero;
A difference coefficient value decoding unit for decoding the value of the difference coefficient;
Deriving an index based on significant sub-block information of a decoded sub-block adjacent to the sub-block to be decoded in the horizontal direction and significant sub-block information of a decoded sub-block adjacent in the vertical direction; and A context deriving unit for deriving a context for decoding the significant difference coefficient information of the difference coefficient to be decoded based on the position of the difference coefficient to be decoded in the sub-block to be decoded. An image decoding apparatus characterized by the above . 復号対象となる画像と予測対象となる画像との差分情報が、複数のサブブロックに分割され、分割された前記サブブロックが所定の順序で符号化された符号化ストリームを、復号する画像復号方法であって、
前記サブブロックに属する各差分係数の値の全てがゼロであるか否かを示す有意サブブロック情報を復号する有意サブブロック情報復号ステップと、
前記差分係数の値がゼロであるか否かを示す有意差分係数情報を復号する有意差分係数情報復号ステップと、
前記差分係数の値を復号する差分係数値復号ステップと、
復号対象となる前記サブブロックに水平方向に隣接する復号済みのサブブロックの有意サブブロック情報と垂直方向に隣接する復号済みのサブブロックの有意サブブロック情報に基づいてインデックスを導出し、前記インデックスと、前記復号対象となるサブブロックにおける復号対象となる差分係数の位置に基づいて、前記復号対象となる差分係数の前記有意差分係数情報を復号するためのコンテキストを導出するコンテキスト導出ステップと
を備えることを特徴とする画像復号方法。 An image decoding method for decoding an encoded stream in which difference information between an image to be decoded and an image to be predicted is divided into a plurality of sub-blocks and the divided sub-blocks are encoded in a predetermined order. Because
A significant sub-block information decoding step for decoding significant sub-block information indicating whether or not all the values of the difference coefficients belonging to the sub-block are zero;
Significant difference coefficient information decoding step for decoding significant difference coefficient information indicating whether or not the value of the difference coefficient is zero;
A difference coefficient value decoding step for decoding the value of the difference coefficient;
Deriving an index based on significant sub-block information of a decoded sub-block adjacent to the sub-block to be decoded in the horizontal direction and significant sub-block information of a decoded sub-block adjacent in the vertical direction; and A context deriving step of deriving a context for decoding the significant difference coefficient information of the difference coefficient to be decoded based on the position of the difference coefficient to be decoded in the sub-block to be decoded. An image decoding method characterized by the above. 復号対象となる画像と予測対象となる画像との差分情報が、複数のサブブロックに分割され、分割された前記サブブロックが所定の順序で符号化された符号化ストリームを、復号する画像復号プログラムであって、
前記サブブロックに属する各差分係数の値の全てがゼロであるか否かを示す有意サブブロック情報を復号する有意サブブロック情報復号ステップと、
前記差分係数の値がゼロであるか否かを示す有意差分係数情報を復号する有意差分係数情報復号ステップと、
前記差分係数の値を復号する差分係数値復号ステップと、
復号対象となる前記サブブロックに水平方向に隣接する復号済みのサブブロックの有意サブブロック情報と垂直方向に隣接する復号済みのサブブロックの有意サブブロック情報に基づいてインデックスを導出し、前記インデックスと、前記復号対象となるサブブロックにおける復号対象となる差分係数の位置に基づいて、前記復号対象となる差分係数の前記有意差分係数情報を復号するためのコンテキストを導出するコンテキスト導出ステップと
をコンピュータに実行させることを特徴とする画像復号プログラム。 An image decoding program for decoding an encoded stream in which difference information between an image to be decoded and an image to be predicted is divided into a plurality of sub-blocks and the divided sub-blocks are encoded in a predetermined order. Because
A significant sub-block information decoding step for decoding significant sub-block information indicating whether or not all the values of the difference coefficients belonging to the sub-block are zero;
Significant difference coefficient information decoding step for decoding significant difference coefficient information indicating whether or not the value of the difference coefficient is zero;
A difference coefficient value decoding step for decoding the value of the difference coefficient;
Deriving an index based on significant sub-block information of a decoded sub-block adjacent to the sub-block to be decoded in the horizontal direction and significant sub-block information of a decoded sub-block adjacent in the vertical direction; and A context deriving step for deriving a context for decoding the significant difference coefficient information of the difference coefficient to be decoded based on the position of the difference coefficient to be decoded in the sub-block to be decoded; An image decoding program that is executed. 動画像が符号化された符号化ストリームを受信して、受信された前記符号化ストリームを復号する受信装置であって、
復号対象となる画像と予測対象となる画像との差分情報が、複数のサブブロックに分割され、分割された前記サブブロックが所定の順序で符号化された符号化ストリームがパケット化された符号化データを受信する受信部と、
受信された前記パケット化された符号化データをパケット処理して前記符号化ストリームを復元する復元部と、
復元された前記符号化ストリームから、前記サブブロックに属する各差分係数の値の全てがゼロであるか否かを示す有意サブブロック情報を復号する有意サブブロック情報復号部と、
復元された前記符号化ストリームから、前記差分係数の値がゼロであるか否かを示す有意差分係数情報を復号する有意差分係数情報復号部と、
復元された前記符号化ストリームから、前記差分係数の値を復号する差分係数値復号部と、
復号対象となる前記サブブロックに水平方向に隣接する復号済みのサブブロックの有意サブブロック情報と垂直方向に隣接する復号済みのサブブロックの有意サブブロック情報に基づいてインデックスを導出し、前記インデックスと、前記復号対象となるサブブロックにおける復号対象となる差分係数の位置に基づいて、前記復号対象となる差分係数の前記有意差分係数情報を復号するためのコンテキストを導出するコンテキスト導出部と
を備えることを特徴とする受信装置。 A receiving device that receives an encoded stream in which a moving image is encoded and decodes the received encoded stream,
Encoding in which difference information between an image to be decoded and an image to be predicted is divided into a plurality of sub-blocks, and an encoded stream obtained by encoding the divided sub-blocks in a predetermined order is packetized A receiver for receiving data;
A restoration unit that packet-processes the received packetized encoded data to restore the encoded stream;
A significant sub-block information decoding unit that decodes significant sub-block information indicating whether or not all the values of the difference coefficients belonging to the sub-block are zero from the restored encoded stream;
A significant difference coefficient information decoding unit that decodes significant difference coefficient information indicating whether or not the value of the difference coefficient is zero from the restored encoded stream;
A difference coefficient value decoding unit for decoding the value of the difference coefficient from the restored encoded stream;
Deriving an index based on significant sub-block information of a decoded sub-block adjacent to the sub-block to be decoded in the horizontal direction and significant sub-block information of a decoded sub-block adjacent in the vertical direction; and A context deriving unit for deriving a context for decoding the significant difference coefficient information of the difference coefficient to be decoded based on the position of the difference coefficient to be decoded in the sub-block to be decoded. A receiving device. 動画像が符号化された符号化ストリームを受信して、受信された前記符号化ストリームを復号する受信方法であって、
復号対象となる画像と予測対象となる画像との差分情報が、複数のサブブロックに分割され、分割された前記サブブロックが所定の順序で符号化された符号化ストリームがパケット化された符号化データを受信する受信ステップと、
受信された前記パケット化された符号化データをパケット処理して前記符号化ストリームを復元する復元ステップと、
復元された前記符号化ストリームから、前記サブブロックに属する各差分係数の値の全てがゼロであるか否かを示す有意サブブロック情報を復号する有意サブブロック情報復号ステップと、
復元された前記符号化ストリームから、前記差分係数の値がゼロであるか否かを示す有意差分係数情報を復号する有意差分係数情報復号ステップと、
復元された前記符号化ストリームから、前記差分係数の値を復号する差分係数値復号ステップと、
復号対象となる前記サブブロックに水平方向に隣接する復号済みのサブブロックの有意サブブロック情報と垂直方向に隣接する復号済みのサブブロックの有意サブブロック情報に基づいてインデックスを導出し、前記インデックスと、前記復号対象となるサブブロックにおける復号対象となる差分係数の位置に基づいて、前記復号対象となる差分係数の前記有意差分係数情報を復号するためのコンテキストを導出するコンテキスト導出ステップと
を備えることを特徴とする受信方法。 A receiving method for receiving an encoded stream in which a moving image is encoded and decoding the received encoded stream,
Encoding in which difference information between an image to be decoded and an image to be predicted is divided into a plurality of sub-blocks, and an encoded stream obtained by encoding the divided sub-blocks in a predetermined order is packetized A receiving step for receiving data;
A restoration step of packetizing the received packetized encoded data to restore the encoded stream;
A significant sub-block information decoding step for decoding significant sub-block information indicating whether or not all the values of the difference coefficients belonging to the sub-block are all zero from the restored encoded stream;
A significant difference coefficient information decoding step of decoding significant difference coefficient information indicating whether or not the value of the difference coefficient is zero from the restored encoded stream;
A difference coefficient value decoding step of decoding the value of the difference coefficient from the restored encoded stream;
Deriving an index based on significant sub-block information of a decoded sub-block adjacent to the sub-block to be decoded in the horizontal direction and significant sub-block information of a decoded sub-block adjacent in the vertical direction; and A context deriving step of deriving a context for decoding the significant difference coefficient information of the difference coefficient to be decoded based on the position of the difference coefficient to be decoded in the sub-block to be decoded. A receiving method characterized by the above. 動画像が符号化された符号化ストリームを受信して、受信された前記符号化ストリームを復号する受信プログラムであって、
復号対象となる画像と予測対象となる画像との差分情報が、複数のサブブロックに分割され、分割された前記サブブロックが所定の順序で符号化された符号化ストリームがパケット化された符号化データを受信する受信ステップと、
受信された前記パケット化された符号化データをパケット処理して前記符号化ストリームを復元する復元ステップと、
復元された前記符号化ストリームから、前記サブブロックに属する各差分係数の値の全てがゼロであるか否かを示す有意サブブロック情報を復号する有意サブブロック情報復号ステップと、
復元された前記符号化ストリームから、前記差分係数の値がゼロであるか否かを示す有意差分係数情報を復号する有意差分係数情報復号ステップと、
復元された前記符号化ストリームから、前記差分係数の値を復号する差分係数値復号ステップと、
復号対象となる前記サブブロックに水平方向に隣接する復号済みのサブブロックの有意サブブロック情報と垂直方向に隣接する復号済みのサブブロックの有意サブブロック情報に基づいてインデックスを導出し、前記インデックスと、前記復号対象となるサブブロックにおける復号対象となる差分係数の位置に基づいて、前記復号対象となる差分係数の前記有意差分係数情報を復号するためのコンテキストを導出するコンテキスト導出ステップと
をコンピュータに実行させることを特徴とする受信プログラム。 A reception program that receives an encoded stream in which a moving image is encoded and decodes the received encoded stream,
Encoding in which difference information between an image to be decoded and an image to be predicted is divided into a plurality of sub-blocks, and an encoded stream obtained by encoding the divided sub-blocks in a predetermined order is packetized A receiving step for receiving data;
A restoration step of packetizing the received packetized encoded data to restore the encoded stream;
A significant sub-block information decoding step for decoding significant sub-block information indicating whether or not all the values of the difference coefficients belonging to the sub-block are all zero from the restored encoded stream;
A significant difference coefficient information decoding step of decoding significant difference coefficient information indicating whether or not the value of the difference coefficient is zero from the restored encoded stream;
A difference coefficient value decoding step of decoding the value of the difference coefficient from the restored encoded stream;
Deriving an index based on significant sub-block information of a decoded sub-block adjacent to the sub-block to be decoded in the horizontal direction and significant sub-block information of a decoded sub-block adjacent in the vertical direction; and A context deriving step for deriving a context for decoding the significant difference coefficient information of the difference coefficient to be decoded based on the position of the difference coefficient to be decoded in the sub-block to be decoded; A receiving program that is executed.
JP2012092077A 2012-04-13 2012-04-13 Image decoding apparatus, image decoding method, image decoding program, receiving apparatus, receiving method, and receiving program Active JP5696683B2 (en)

Priority Applications (85)

Application Number Priority Date Filing Date Title
JP2012092077A JP5696683B2 (en) 2012-04-13 2012-04-13 Image decoding apparatus, image decoding method, image decoding program, receiving apparatus, receiving method, and receiving program
EP24167855.6A EP4376413A1 (en) 2012-04-13 2013-04-12 Picture decoding device, picture decoding method, picture decoding program, picture coding device, picture coding method, and picture coding program
TW102113230A TWI566581B (en) 2012-04-13 2013-04-12 An image decoding apparatus, an image decoding method, and a video decoding program
CA2960604A CA2960604C (en) 2012-04-13 2013-04-12 Picture coding device, picture coding method, and picture coding program
PL19161411T PL3515077T3 (en) 2012-04-13 2013-04-12 Picture decoding device, picture decoding method, picture decoding program, picture coding device, picture coding method, and picture coding program
PE2014001633A PE20150373A1 (en) 2012-04-13 2013-04-12 IMAGE ENCODING DEVICE, IMAGE ENCODING METHOD, AND IMAGE ENCODING PROGRAM, AND IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND IMAGE DECODING PROGRAM
PCT/JP2013/002514 WO2013153824A1 (en) 2012-04-13 2013-04-12 Image coding device, image coding method, image coding program, transmission device, transmission method, transmission program, image decoding device, image decoding method, image decoding program, reception device, reception method, and reception program
EP20189847.5A EP3754991B1 (en) 2012-04-13 2013-04-12 Picture decoding device, picture decoding method, picture decoding program, picture coding device, picture coding method, and picture coding program
HUE19161418A HUE050469T2 (en) 2012-04-13 2013-04-12 Picture decoding device, picture decoding method, picture decoding program, picture coding device, picture coding method, and picture coding program
EP13775455.2A EP2838260B1 (en) 2012-04-13 2013-04-12 Image decoding device, image decoding method, image decoding program
HUE13775455 HUE044347T2 (en) 2012-04-13 2013-04-12 Image decoding device, image decoding method, image decoding program
AU2013247974A AU2013247974B2 (en) 2012-04-13 2013-04-12 Image coding device, image coding method, image coding program, transmission device, transmission method, transmission program, image decoding device, image decoding method, image decoding program, reception device, reception method, and reception program
SI201331477T SI2838260T1 (en) 2012-04-13 2013-04-12 Image decoding device, image decoding method, image decoding program
DK19161418.9T DK3515078T3 (en) 2012-04-13 2013-04-12 PICTURE CODING DEVICE, PICTURE CODING METHOD, PICTURE CODING PROGRAM, PICTURE CODING DEVICE, PICTURE CODING PROCEDURE AND PICTURE CODING PROGRAM
CN201510583843.3A CN105187843B (en) 2012-04-13 2013-04-12 Picture decoding apparatus, picture decoding method, reception device and method of reseptance
SI201331784T SI3515078T1 (en) 2012-04-13 2013-04-12 Picture decoding device, picture decoding method, picture decoding program, picture coding device, picture coding method, and picture coding program
EP19161423.9A EP3515080B1 (en) 2012-04-13 2013-04-12 Picture coding device, picture coding method, and picture coding program
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