JP2015213361A5 - - Google Patents

Download PDF

Info

Publication number
JP2015213361A5
JP2015213361A5 JP2015139417A JP2015139417A JP2015213361A5 JP 2015213361 A5 JP2015213361 A5 JP 2015213361A5 JP 2015139417 A JP2015139417 A JP 2015139417A JP 2015139417 A JP2015139417 A JP 2015139417A JP 2015213361 A5 JP2015213361 A5 JP 2015213361A5
Authority
JP
Japan
Prior art keywords
motion information
candidate
motion
generating
candidates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2015139417A
Other languages
Japanese (ja)
Other versions
JP5858191B2 (en
JP2015213361A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2015139417A priority Critical patent/JP5858191B2/en
Priority claimed from JP2015139417A external-priority patent/JP5858191B2/en
Publication of JP2015213361A publication Critical patent/JP2015213361A/en
Publication of JP2015213361A5 publication Critical patent/JP2015213361A5/ja
Application granted granted Critical
Publication of JP5858191B2 publication Critical patent/JP5858191B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (6)

動き補償予測を行う画像復号装置であって、
復号対象ブロックに隣接する複数の復号済みのブロックから、動きベクトルの情報と参照画像の情報とを少なくとも含む動き情報をそれぞれ１つまたは２つ持つ複数のブロックを選択して、選択されたブロックの動き情報から、動き補償予測に用いる動き情報の候補を含む候補リストを生成する候補リスト生成部と、
前記候補に含まれる第１の候補から第１の方向の第１の動き情報を取得する第１の動き情報取得部と、
前記候補に含まれる前記第１の候補とは異なる第２の候補から前記第１の方向とは異なる第２の方向の第２の動き情報を取得する第２の動き情報取得部と、
前記第１の動き情報と前記第２の動き情報を組み合わせて、動き情報の第１の新たな候補を生成する選択候補生成部と、
を備え、
前記第１の動き情報取得部は、さらに、前記第２の候補から前記第１の方向の第３の動き情報を取得し、
前記第２の動き情報取得部は、さらに、前記第１の候補から前記第２の方向の第４の動き情報を取得し、
前記選択候補生成部は、前記第３の動き情報と前記第４の動き情報とを組み合わせて、動き情報の第２の新たな候補を生成し、
前記候補リスト生成部は、前記復号対象ブロックを含む画像と時間的に異なる画像のブロックの動き情報から導出した動き情報を候補リストに含め、
前記候補の数が、設定された最大数を超えないように、前記選択候補生成部により生成された１つ以上の新たな候補を含めた候補リストを生成する、
ことを特徴とする画像復号装置。 An image decoding apparatus that performs motion compensation prediction,
From a plurality of decoded blocks adjacent to the decoding target block, a plurality of blocks each having one or two pieces of motion information including at least motion vector information and reference image information are selected, and the selected block A candidate list generating unit that generates a candidate list including motion information candidates used for motion compensation prediction from the motion information;
A first motion information acquisition unit that acquires first motion information in a first direction from a first candidate included in the candidates;
A second motion information acquisition unit that acquires second motion information in a second direction different from the first direction from a second candidate different from the first candidate included in the candidate;
A selection candidate generating unit that generates a first new candidate for motion information by combining the first motion information and the second motion information;
With
The first motion information acquisition unit further acquires third motion information in the first direction from the second candidate,
The second motion information acquisition unit further acquires fourth motion information in the second direction from the first candidate,
The selection candidate generating unit generates a second new candidate for motion information by combining the third motion information and the fourth motion information,
The candidate list generation unit includes motion information derived from motion information of a block of an image temporally different from an image including the decoding target block in the candidate list,
Generating a candidate list including one or more new candidates generated by the selection candidate generation unit so that the number of candidates does not exceed a set maximum number;
An image decoding apparatus characterized by that. 動き補償予測を行う画像復号方法であって、
復号対象ブロックに隣接する複数の復号済みのブロックから、動きベクトルの情報と参照画像の情報とを少なくとも含む動き情報をそれぞれ１つまたは２つ持つ複数のブロックを選択して、選択されたブロックの動き情報から、動き補償予測に用いる動き情報の候補を含む候補リストを生成するステップと、
前記候補に含まれる第１の候補から第１の方向の第１の動き情報を取得するステップと、
前記候補に含まれる前記第１の候補とは異なる第２の候補から前記第１の方向とは異なる第２の方向の第２の動き情報を取得するステップと、
前記第１の動き情報と前記第２の動き情報を組み合わせて、動き情報の第１の新たな候補を生成するステップと、
前記第２の候補から前記第１の方向の第３の動き情報を取得するステップと、
前記第１の候補から前記第２の方向の第４の動き情報を取得するステップと、
前記第３の動き情報と前記第４の動き情報とを組み合わせて、動き情報の第２の新たな候補を生成するステップと、
を有し、
前記候補リストを生成するステップにおいて、前記復号対象ブロックを含む画像と時間的に異なる画像のブロックの動き情報から導出した動き情報を候補リストに含め、
前記候補の数が、設定された最大数を超えないように、前記新たな候補を生成するステップにより生成された１つ以上の新たな候補を含めた候補リストを生成する、
ことを特徴とする画像復号方法。 An image decoding method for performing motion compensation prediction,
From a plurality of decoded blocks adjacent to the decoding target block, a plurality of blocks each having one or two pieces of motion information including at least motion vector information and reference image information are selected, and the selected block Generating a candidate list including motion information candidates used for motion compensation prediction from the motion information;
Obtaining first motion information in a first direction from a first candidate included in the candidates;
Obtaining second motion information in a second direction different from the first direction from a second candidate different from the first candidate included in the candidate;
Combining the first motion information and the second motion information to generate a first new candidate for motion information;
Obtaining third motion information in the first direction from the second candidate;
Obtaining fourth motion information in the second direction from the first candidate;
Combining the third motion information and the fourth motion information to generate a second new candidate for motion information;
Have
In the step of generating the candidate list, the motion information derived from the motion information of the block of the image temporally different from the image including the decoding target block is included in the candidate list,
Generating a candidate list including one or more new candidates generated by the step of generating the new candidates so that the number of candidates does not exceed a set maximum number;
An image decoding method characterized by the above. 動き補償予測を行う画像復号プログラムであって、
復号対象ブロックに隣接する複数の復号済みのブロックから、動きベクトルの情報と参照画像の情報とを少なくとも含む動き情報をそれぞれ１つまたは２つ持つ複数のブロックを選択して、選択されたブロックの動き情報から、動き補償予測に用いる動き情報の候補を含む候補リストを生成する処理と、
前記候補に含まれる第１の候補から第１の方向の第１の動き情報を取得する処理と、
前記候補に含まれる前記第１の候補とは異なる第２の候補から前記第１の方向とは異なる第２の方向の第２の動き情報を取得する処理と、
前記第１の動き情報と前記第２の動き情報を組み合わせて、動き情報の第１の新たな候補を生成する処理と、
前記第２の候補から前記第１の方向の第３の動き情報を取得する処理と、
前記第１の候補から前記第２の方向の第４の動き情報を取得する処理と、
前記第３の動き情報と前記第４の動き情報とを組み合わせて、動き情報の第２の新たな候補を生成する処理と、
をコンピュータに実行させ、
前記候補リストを生成する処理において、前記復号対象ブロックを含む画像と時間的に異なる画像のブロックの動き情報から導出した動き情報を候補リストに含め、
前記候補の数が、設定された最大数を超えないように、前記新たな候補を生成する処理により生成された１つ以上の新たな候補を含めた候補リストを生成する、
ことを特徴とする画像復号プログラム。 An image decoding program for performing motion compensation prediction,
From a plurality of decoded blocks adjacent to the decoding target block, a plurality of blocks each having one or two pieces of motion information including at least motion vector information and reference image information are selected, and the selected block A process of generating a candidate list including motion information candidates used for motion compensation prediction from motion information;
A process of obtaining first motion information in a first direction from a first candidate included in the candidates;
A process of acquiring second motion information in a second direction different from the first direction from a second candidate different from the first candidate included in the candidate;
A process for generating a first new candidate for motion information by combining the first motion information and the second motion information;
Processing to obtain third motion information in the first direction from the second candidate;
Processing to obtain fourth motion information in the second direction from the first candidate;
A process of generating a second new candidate for motion information by combining the third motion information and the fourth motion information;
To the computer,
In the process of generating the candidate list, the motion information derived from the motion information of the block of the image temporally different from the image including the decoding target block is included in the candidate list,
Generating a candidate list including one or more new candidates generated by the process of generating the new candidates so that the number of candidates does not exceed a set maximum number;
An image decoding program characterized by the above. 動き補償予測を行う受信装置であって、
動画像が符号化された符号化データを受信する受信部と、
前記符号化データをパケット処理して符号化ストリームを生成するパケット処理部と、
前記符号化ストリームにおける復号対象ブロックに隣接する複数の復号済みのブロックから、動きベクトルの情報と参照画像の情報とを少なくとも含む動き情報をそれぞれ１つまたは２つ持つ複数のブロックを選択して、選択されたブロックの動き情報から、動き補償予測に用いる動き情報の候補を含む候補リストを生成する候補リスト生成部と、
前記候補に含まれる第１の候補から第１の方向の第１の動き情報を取得する第１の動き情報取得部と、
前記候補に含まれる前記第１の候補とは異なる第２の候補から前記第１の方向とは異なる第２の方向の第２の動き情報を取得する第２の動き情報取得部と、
前記第１の動き情報と前記第２の動き情報を組み合わせて、動き情報の第１の新たな候補を生成する選択候補生成部と、
を備え、
前記第１の動き情報取得部は、さらに、前記第２の候補から前記第１の方向の第３の動き情報を取得し、
前記第２の動き情報取得部は、さらに、前記第１の候補から前記第２の方向の第４の動き情報を取得し、
前記選択候補生成部は、前記第３の動き情報と前記第４の動き情報とを組み合わせて、動き情報の第２の新たな候補を生成し、
前記候補リスト生成部は、前記復号対象ブロックを含む画像と時間的に異なる画像のブロックの動き情報から導出した動き情報を候補リストに含め、
前記候補の数が、設定された最大数を超えないように、前記選択候補生成部により生成された１つ以上の新たな候補を含めた候補リストを生成する、
ことを特徴とする受信装置。 A receiving device that performs motion compensation prediction,
A receiving unit that receives encoded data in which a moving image is encoded;
A packet processing unit that packet-processes the encoded data to generate an encoded stream;
Selecting a plurality of blocks each having one or two pieces of motion information including at least motion vector information and reference image information from a plurality of decoded blocks adjacent to a decoding target block in the encoded stream; A candidate list generating unit that generates a candidate list including motion information candidates used for motion compensation prediction from the motion information of the selected block;
A first motion information acquisition unit that acquires first motion information in a first direction from a first candidate included in the candidates;
A second motion information acquisition unit that acquires second motion information in a second direction different from the first direction from a second candidate different from the first candidate included in the candidate;
A selection candidate generating unit that generates a first new candidate for motion information by combining the first motion information and the second motion information;
With
The first motion information acquisition unit further acquires third motion information in the first direction from the second candidate,
The second motion information acquisition unit further acquires fourth motion information in the second direction from the first candidate,
The selection candidate generating unit generates a second new candidate for motion information by combining the third motion information and the fourth motion information,
The candidate list generation unit includes motion information derived from motion information of a block of an image temporally different from an image including the decoding target block in the candidate list,
Generating a candidate list including one or more new candidates generated by the selection candidate generation unit so that the number of candidates does not exceed a set maximum number;
A receiving apparatus. 動き補償予測を行う受信方法であって、
動画像が符号化された符号化データを受信するステップと、
前記符号化データをパケット処理して符号化ストリームを生成するステップと、
前記符号化ストリームにおける復号対象ブロックに隣接する複数の復号済みのブロックから、動きベクトルの情報と参照画像の情報とを少なくとも含む動き情報をそれぞれ１つまたは２つ持つ複数のブロックを選択して、選択されたブロックの動き情報から、動き補償予測に用いる動き情報の候補を含む候補リストを生成するステップと、
前記候補に含まれる第１の候補から第１の方向の第１の動き情報を取得するステップと、
前記候補に含まれる前記第１の候補とは異なる第２の候補から前記第１の方向とは異なる第２の方向の第２の動き情報を取得するステップと、
前記第１の動き情報と前記第２の動き情報を組み合わせて、動き情報の第１の新たな候補を生成するステップと、
前記第２の候補から前記第１の方向の第３の動き情報を取得するステップと、
前記第１の候補から前記第２の方向の第４の動き情報を取得するステップと、
前記第３の動き情報と前記第４の動き情報とを組み合わせて、動き情報の第２の新たな候補を生成するステップと、
を有し、
前記候補リストを生成するステップにおいて、前記復号対象ブロックを含む画像と時間的に異なる画像のブロックの動き情報から導出した動き情報を候補リストに含め、
前記候補の数が、設定された最大数を超えないように、前記新たな候補を生成するステップにより生成された１つ以上の新たな候補を含めた候補リストを生成する、
ことを特徴とする受信方法。 A reception method for performing motion compensation prediction,
Receiving encoded data in which a moving image is encoded;
Packetizing the encoded data to generate an encoded stream;
Selecting a plurality of blocks each having one or two pieces of motion information including at least motion vector information and reference image information from a plurality of decoded blocks adjacent to a decoding target block in the encoded stream; Generating a candidate list including motion information candidates used for motion compensation prediction from motion information of the selected block;
Obtaining first motion information in a first direction from a first candidate included in the candidates;
Obtaining second motion information in a second direction different from the first direction from a second candidate different from the first candidate included in the candidate;
Combining the first motion information and the second motion information to generate a first new candidate for motion information;
Obtaining third motion information in the first direction from the second candidate;
Obtaining fourth motion information in the second direction from the first candidate;
Combining the third motion information and the fourth motion information to generate a second new candidate for motion information;
Have
In the step of generating the candidate list, the motion information derived from the motion information of the block of the image temporally different from the image including the decoding target block is included in the candidate list,
Generating a candidate list including one or more new candidates generated by the step of generating the new candidates so that the number of candidates does not exceed a set maximum number;
A receiving method. 動き補償予測を行う受信プログラムであって、
動画像が符号化された符号化データを受信する処理と、
前記符号化データをパケット処理して符号化ストリームを生成する処理と、
前記符号化ストリームにおける復号対象ブロックに隣接する複数の復号済みのブロックから、動きベクトルの情報と参照画像の情報とを少なくとも含む動き情報をそれぞれ１つまたは２つ持つ複数のブロックを選択して、選択されたブロックの動き情報から、動き補償予測に用いる動き情報の候補を含む候補リストを生成する処理と、
前記候補に含まれる第１の候補から第１の方向の第１の動き情報を取得する処理と、
前記候補に含まれる前記第１の候補とは異なる第２の候補から前記第１の方向とは異なる第２の方向の第２の動き情報を取得する処理と、
前記第１の動き情報と前記第２の動き情報を組み合わせて、動き情報の第１の新たな候補を生成する処理と、
前記第２の候補から前記第１の方向の第３の動き情報を取得する処理と、
前記第１の候補から前記第２の方向の第４の動き情報を取得する処理と、
前記第３の動き情報と前記第４の動き情報とを組み合わせて、動き情報の第２の新たな候補を生成する処理と、
をコンピュータに実行させ、
前記候補リストを生成する処理において、前記復号対象ブロックを含む画像と時間的に異なる画像のブロックの動き情報から導出した動き情報を候補リストに含め、
前記候補の数が、設定された最大数を超えないように、前記新たな候補を生成処理により生成された１つ以上の新たな候補を含めた候補リストを生成する、
ことを特徴とする受信プログラム。 A receiving program for motion compensation prediction,
A process of receiving encoded data in which a moving image is encoded;
Processing to packetize the encoded data to generate an encoded stream;
Selecting a plurality of blocks each having one or two pieces of motion information including at least motion vector information and reference image information from a plurality of decoded blocks adjacent to a decoding target block in the encoded stream; A process for generating a candidate list including motion information candidates used for motion compensation prediction from the motion information of the selected block;
A process of obtaining first motion information in a first direction from a first candidate included in the candidates;
A process of acquiring second motion information in a second direction different from the first direction from a second candidate different from the first candidate included in the candidate;
A process for generating a first new candidate for motion information by combining the first motion information and the second motion information;
Processing to obtain third motion information in the first direction from the second candidate;
Processing to obtain fourth motion information in the second direction from the first candidate;
A process of generating a second new candidate for motion information by combining the third motion information and the fourth motion information;
To the computer,
In the process of generating the candidate list, the motion information derived from the motion information of the block of the image temporally different from the image including the decoding target block is included in the candidate list,
Generating a candidate list including one or more new candidates generated by the new candidate generation process so that the number of candidates does not exceed a set maximum number;
A receiving program characterized by the above.
JP2015139417A 2011-06-30 2015-07-13 Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program Active JP5858191B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2015139417A JP5858191B2 (en) 2011-06-30 2015-07-13 Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011146065 2011-06-30
JP2011146065 2011-06-30
JP2015139417A JP5858191B2 (en) 2011-06-30 2015-07-13 Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2012143340A Division JP5807621B2 (en) 2011-06-30 2012-06-26 Image encoding device, image encoding method, image encoding program, transmission device, transmission method, and transmission program

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2015243174A Division JP6135750B2 (en) 2011-06-30 2015-12-14 Image encoding device, image encoding method, image encoding program, transmission device, transmission method, and transmission program

Publications (3)

Publication Number Publication Date
JP2015213361A JP2015213361A (en) 2015-11-26
JP2015213361A5 true JP2015213361A5 (en) 2016-01-14
JP5858191B2 JP5858191B2 (en) 2016-02-10

Family

ID=47789652

Family Applications (6)

Application Number Title Priority Date Filing Date
JP2012143340A Active JP5807621B2 (en) 2011-06-30 2012-06-26 Image encoding device, image encoding method, image encoding program, transmission device, transmission method, and transmission program
JP2015139420A Active JP5858194B2 (en) 2011-06-30 2015-07-13 Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program
JP2015139418A Active JP5858192B2 (en) 2011-06-30 2015-07-13 Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program
JP2015139419A Active JP5858193B2 (en) 2011-06-30 2015-07-13 Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program
JP2015139417A Active JP5858191B2 (en) 2011-06-30 2015-07-13 Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program
JP2015243174A Active JP6135750B2 (en) 2011-06-30 2015-12-14 Image encoding device, image encoding method, image encoding program, transmission device, transmission method, and transmission program

Family Applications Before (4)

Application Number Title Priority Date Filing Date
JP2012143340A Active JP5807621B2 (en) 2011-06-30 2012-06-26 Image encoding device, image encoding method, image encoding program, transmission device, transmission method, and transmission program
JP2015139420A Active JP5858194B2 (en) 2011-06-30 2015-07-13 Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program
JP2015139418A Active JP5858192B2 (en) 2011-06-30 2015-07-13 Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program
JP2015139419A Active JP5858193B2 (en) 2011-06-30 2015-07-13 Image decoding apparatus, image decoding method, and image decoding program, and receiving apparatus, receiving method, and receiving program

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2015243174A Active JP6135750B2 (en) 2011-06-30 2015-12-14 Image encoding device, image encoding method, image encoding program, transmission device, transmission method, and transmission program

Country Status (1)

Country Link
JP (6) JP5807621B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5807621B2 (en) * 2011-06-30 2015-11-10 株式会社Ｊｖｃケンウッド Image encoding device, image encoding method, image encoding program, transmission device, transmission method, and transmission program
KR102408258B1 (en) * 2017-09-12 2022-06-13 삼성전자주식회사 Method for encoding and decoding motion information and device for encoding and decoding motion information
CN111919447A (en) * 2018-03-14 2020-11-10 韩国电子通信研究院 Method and apparatus for encoding/decoding image and recording medium storing bitstream
US10469869B1 (en) * 2018-06-01 2019-11-05 Tencent America LLC Method and apparatus for video coding
JP6933235B2 (en) * 2018-12-13 2021-09-08 株式会社Ｊｖｃケンウッド Image decoding device, image decoding method, and image decoding program

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9648334B2 (en) * 2011-03-21 2017-05-09 Qualcomm Incorporated Bi-predictive merge mode based on uni-predictive neighbors in video coding
BR112013023478B8 (en) * 2011-04-12 2022-09-13 Panassonic Corp MOTION IMAGE ENCODING METHOD, MOTIONING IMAGE ENCODING APPARATUS, MOTIONING IMAGE DECODING METHOD, MOTIONING IMAGE DECODING APPARATUS AND MOTIONING IMAGE ENCODING AND DECODING APPARATUS
SG194746A1 (en) * 2011-05-31 2013-12-30 Kaba Gmbh Image encoding method, image encoding device, image decoding method, image decoding device, and image encoding/decoding device
JP5807621B2 (en) * 2011-06-30 2015-11-10 株式会社Ｊｖｃケンウッド Image encoding device, image encoding method, image encoding program, transmission device, transmission method, and transmission program
KR101900986B1 (en) * 2011-06-30 2018-09-20 선 페이턴트 트러스트 Image decoding method, image encoding method, image decoding device, image encoding device, and image encoding/decoding device

Similar Documents

Publication Publication Date Title
JP2014099911A5 (en)
JP2014099913A5 (en)
JP2015213361A5 (en)
JP2016054539A5 (en)
JP2014527362A5 (en)
JP2014209762A5 (en)
JP2014112939A5 (en)
JP2014099912A5 (en)
JP2016519499A5 (en) Encoding device, decoding device, encoding method, decoding method, and program
JP2013110766A5 (en)
JP2013085234A5 (en)
JP2013021629A5 (en)
JP2017005724A5 (en) Moving picture decoding apparatus, moving picture decoding method, moving picture decoding program, receiving apparatus, receiving method, and receiving program
JP2013085235A5 (en)
JP2014220845A5 (en)
JP2014220846A5 (en)
JP2014220844A5 (en)
JP2014220847A5 (en)
JP2015228680A5 (en)
JP2013236367A5 (en)
JP2013118625A5 (en)
JP2015159569A5 (en)
JP2013153433A5 (en) Moving picture coding apparatus, moving picture coding method, moving picture coding program, transmission apparatus, transmission method, and transmission program
JP2017028720A5 (en)
JP2013153431A5 (en) Moving picture decoding apparatus, moving picture decoding method, moving picture decoding program, receiving apparatus, receiving method, and receiving program