JP6553769B2 - 色差映像復号化方法 - Google Patents
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Description
例えば、本願発明は以下の項目を提供する。
(項目1)
色差映像を復号化する方法において、
予測ユニットの色差イントラ予測モードを誘導するステップ;
輝度変換サイズ情報を利用して現在色差ブロックのサイズを決定するステップ;
前記色差イントラ予測モードを利用して現在色差ブロックの色差予測ブロックを生成するステップ;
前記色差イントラ予測モード及び色差量子化パラメータを利用して現在色差ブロックの色差残差ブロックを生成するステップ;及び、
前記色差予測ブロックと前記色差残差ブロックを加算して色差復元ブロックを生成するステップ;を含み、
前記色差量子化パラメータは、輝度量子化パラメータ及び前記輝度量子化パラメータと前記色差量子化パラメータとの間の関係を示す情報を利用して生成されることを特徴とする方法。
(項目2)
前記輝度量子化パラメータ予測子は、輝度量子化パラメータと輝度差分量子化パラメータを利用して生成され、前記輝度量子化パラメータは、左側量子化パラメータ、上側量子化パラメータ及び以前量子化パラメータのうち、1個又は2個を利用して生成されることを特徴とする項目1に記載の方法。
(項目3)
前記左側輝度量子化パラメータと前記上側輝度量子化パラメータが両方とも利用可能な場合、前記左側及び上側輝度量子化パラメータの平均値が前記輝度量子化パラメータ予測子に設定されることを特徴とする項目2に記載の方法。
(項目4)
前記左側輝度量子化パラメータと前記上側輝度量子化パラメータのうち一つのみが利用可能な場合、前記利用可能な輝度量子化パラメータと以前量子化パラメータの平均値が前記輝度量子化パラメータ予測子に設定されることを特徴とする項目2に記載の方法。
(項目5)
前記輝度量子化パラメータは、量子化ユニット毎に生成され、前記量子化ユニットの最小サイズは、ピクチャ毎に調整されることを特徴とする項目2に記載の方法。
(項目6)
前記量子化ユニットの最小サイズは、前記量子化ユニットの最小サイズの深さ情報を特定するパラメータ及び最大コーディングユニットのサイズを利用して生成されることを特徴とする項目5に記載の方法。
(項目7)
前記差分量子化パラメータは、符号化された差分輝度量子化パラメータを算術復号化してビンストリング(bin string)を生成し、前記ビンストリングに逆二進化を適用して復元されることを特徴とする項目2に記載の方法。
Claims (3)
- 色差映像を復号化する方法であって、前記方法は、
予測ユニットの色差イントラ予測モードを誘導することと、
輝度変換サイズ情報を利用して現在色差ブロックのサイズを決定することと、
前記色差イントラ予測モードを利用して前記現在色差ブロックの色差予測ブロックを生成することと、
前記色差イントラ予測モード及び色差量子化パラメータを利用して前記現在色差ブロックの色差残差ブロックを生成することと、
前記色差予測ブロックと前記色差残差ブロックを加算して色差復元ブロックを生成することと
を含み、
前記色差量子化パラメータは、量子化ユニット毎に決定される輝度量子化パラメータ及び前記輝度量子化パラメータと前記色差量子化パラメータとの間の関係を示す情報を利用して生成され、
前記量子化ユニットのサイズは、コーディングユニットの許容可能なサイズのうちの一つであり、
前記量子化ユニットの最小サイズは、ピクチャ毎に決定され、前記量子化ユニットの前記最小サイズを特定するパラメータは、ピクチャパラメータセットに含まれ、
前記コーディングユニットのサイズが前記量子化ユニットの前記最小サイズと同じであるか又は前記量子化ユニットの前記最小サイズより大きい場合、前記コーディングユニットが前記量子化ユニットになり、
前記輝度量子化パラメータと前記色差量子化パラメータとの間の関係を示す前記情報は、前記ピクチャパラメータセット又はスライスヘッダにおいて送信され、
前記輝度量子化パラメータは、輝度量子化パラメータ予測子と輝度差分量子化パラメータを利用して生成され、前記輝度量子化パラメータ予測子は、左側輝度量子化パラメータ、上側輝度量子化パラメータ及び以前輝度量子化パラメータのうちの少なくとも二つが利用可能な場合、二つの量子化パラメータを利用して生成され、
前記輝度量子化パラメータ予測子を生成するために利用される前記二つの量子化パラメータは、前記左側輝度量子化パラメータ、前記上側輝度量子化パラメータ及び前記以前輝度量子化パラメータの順序で決定され、
前記左側輝度量子化パラメータと前記上側輝度量子化パラメータの両方が利用可能な場合、前記左側輝度量子化パラメータ及び前記上側輝度量子化パラメータの平均が前記輝度量子化パラメータ予測子として設定され、
前記左側輝度量子化パラメータと前記上側輝度量子化パラメータのうちの一つのみが利用可能な場合、前記利用可能な輝度量子化パラメータと前記以前輝度量子化パラメータの平均が前記輝度量子化パラメータ予測子として設定され、
前記左側輝度量子化パラメータと前記上側輝度量子化パラメータの両方が利用可能でない場合、前記以前輝度量子化パラメータが前記輝度量子化パラメータ予測子として設定され、
前記輝度差分量子化パラメータは、符号化された輝度差分量子化パラメータを算術復号化してビンストリングを生成することと、前記ビンストリングに逆二進化を適用することとにより、復元され、
前記ビンストリングは、前記輝度差分量子化パラメータの絶対値を示すビンストリングと前記輝度差分量子化パラメータの符号を示すビンを含む、方法。 - 前記量子化ユニットの前記最小サイズは、ピクチャ毎に調整される、請求項1に記載の方法。
- 前記量子化ユニットの前記最小サイズは、前記量子化ユニットの前記最小サイズの深さを特定するパラメータ及び最大コーディングユニットのサイズを利用して誘導される、請求項2に記載の方法。
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KR20130049524A (ko) * | 2011-11-04 | 2013-05-14 | 오수미 | 인트라 예측 블록 생성 방법 |
KR20130049523A (ko) * | 2011-11-04 | 2013-05-14 | 오수미 | 인트라 예측 블록 생성 장치 |
KR20130049526A (ko) * | 2011-11-04 | 2013-05-14 | 오수미 | 복원 블록 생성 방법 |
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JP5900307B2 (ja) * | 2011-12-13 | 2016-04-06 | 株式会社Jvcケンウッド | 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム、並びに送信装置、送信方法及び送信プログラム |
US9420302B2 (en) * | 2012-01-24 | 2016-08-16 | Dolby Laboratories Licensing Corporation | Weighted multi-band cross color channel predictor |
WO2014038153A1 (ja) * | 2012-09-10 | 2014-03-13 | パナソニック株式会社 | 画像符号化方法、画像復号化方法、画像符号化装置、画像復号化装置、および、画像符号化復号化装置 |
US10440365B2 (en) * | 2013-06-28 | 2019-10-08 | Velos Media, Llc | Methods and devices for emulating low-fidelity coding in a high-fidelity coder |
US20150016516A1 (en) * | 2013-07-15 | 2015-01-15 | Samsung Electronics Co., Ltd. | Method for intra prediction improvements for oblique modes in video coding |
US9510002B2 (en) | 2013-09-09 | 2016-11-29 | Apple Inc. | Chroma quantization in video coding |
WO2015100522A1 (en) * | 2013-12-30 | 2015-07-09 | Mediatek Singapore Pte. Ltd. | Methods for inter-component residual prediction |
WO2015131328A1 (en) | 2014-03-04 | 2015-09-11 | Microsoft Technology Licensing, Llc | Adaptive switching of color spaces, color sampling rates and/or bit depths |
US10182241B2 (en) | 2014-03-04 | 2019-01-15 | Microsoft Technology Licensing, Llc | Encoding strategies for adaptive switching of color spaces, color sampling rates and/or bit depths |
EP3123716B1 (en) * | 2014-03-27 | 2020-10-28 | Microsoft Technology Licensing, LLC | Adjusting quantization/scaling and inverse quantization/scaling when switching color spaces |
CN105960802B (zh) | 2014-10-08 | 2018-02-06 | 微软技术许可有限责任公司 | 切换色彩空间时对编码和解码的调整 |
US20180167615A1 (en) * | 2015-06-07 | 2018-06-14 | Sharp Kabushiki Kaisha | Systems and methods for optimizing video coding based on a luminance transfer function or video color component values |
WO2016204478A1 (ko) * | 2015-06-15 | 2016-12-22 | 엘지전자(주) | 인트라 예측 모드 기반 영상 처리 방법 및 이를 위한 장치 |
EP3340632B1 (en) * | 2015-08-19 | 2021-08-11 | LG Electronics Inc. | Method and device for processing video signals |
WO2017138761A1 (ko) * | 2016-02-11 | 2017-08-17 | 삼성전자 주식회사 | 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치 |
EP3509298A4 (en) * | 2016-09-30 | 2020-07-22 | LG Electronics Inc. -1- | METHOD AND DEVICE FOR BLOCK PARTITIONING AND INTRAPREDICATION IN AN IMAGE CODING SYSTEM |
WO2018066986A1 (ko) * | 2016-10-06 | 2018-04-12 | 김기백 | 영상 데이터 부호화/복호화 방법 및 장치 |
WO2018070713A1 (ko) * | 2016-10-11 | 2018-04-19 | 엘지전자(주) | 크로마 성분에 대한 인트라 예측 모드를 유도하는 방법 및 장치 |
CN116647680A (zh) * | 2016-10-28 | 2023-08-25 | 韩国电子通信研究院 | 视频编码/解码方法和设备以及存储比特流的记录介质 |
WO2018124686A1 (ko) * | 2016-12-26 | 2018-07-05 | 에스케이텔레콤 주식회사 | 인트라 예측을 이용한 영상의 부호화 및 복호화 |
CN114422780A (zh) * | 2017-04-28 | 2022-04-29 | 夏普株式会社 | 图像解码装置以及图像编码装置 |
KR20240017089A (ko) * | 2017-07-24 | 2024-02-06 | 애리스 엔터프라이지즈 엘엘씨 | 인트라 모드 jvet 코딩 |
US11928796B2 (en) | 2017-12-01 | 2024-03-12 | Interdigital Patent Holdings, Inc. | Method and device for chroma correction of a high-dynamic-range image |
US10609402B2 (en) * | 2018-05-02 | 2020-03-31 | Tencent America LLC | Method and apparatus for prediction and transform for small blocks |
CN111316641B (zh) * | 2018-05-03 | 2022-08-09 | Lg电子株式会社 | 根据块尺寸使用变换来解码图像的方法和设备 |
US10645396B2 (en) * | 2018-06-04 | 2020-05-05 | Tencent America LLC | Method and apparatus for implicit transform splitting |
WO2019234598A1 (en) | 2018-06-05 | 2019-12-12 | Beijing Bytedance Network Technology Co., Ltd. | Interaction between ibc and stmvp |
KR101997681B1 (ko) * | 2018-06-11 | 2019-07-08 | 광운대학교 산학협력단 | 양자화 파라미터 기반의 잔차 블록 부호화/복호화 방법 및 장치 |
WO2019244119A1 (en) | 2018-06-21 | 2019-12-26 | Beijing Bytedance Network Technology Co., Ltd. | Sub-block mv inheritance between color components |
CN110636298B (zh) | 2018-06-21 | 2022-09-13 | 北京字节跳动网络技术有限公司 | 对于Merge仿射模式和非Merge仿射模式的统一约束 |
CN116708838A (zh) * | 2018-07-02 | 2023-09-05 | Lg电子株式会社 | 编解码和发送方法及存储介质 |
CN112544080B (zh) | 2018-08-16 | 2022-11-18 | 寰发股份有限公司 | 视频处理系统中发信量化参数的方法以及装置 |
CN110858903B (zh) * | 2018-08-22 | 2022-07-12 | 华为技术有限公司 | 色度块预测方法及装置 |
US11546602B2 (en) * | 2018-08-24 | 2023-01-03 | Samsung Electronics Co., Ltd. | Method and apparatus for image encoding, and method and apparatus for image decoding |
CN117041575A (zh) | 2018-09-21 | 2023-11-10 | Lg电子株式会社 | 视频解码和编码方法、存储介质及数据的发送方法 |
WO2020065517A1 (en) | 2018-09-24 | 2020-04-02 | Beijing Bytedance Network Technology Co., Ltd. | Simplified history based motion vector prediction |
KR20220051426A (ko) * | 2018-10-08 | 2022-04-26 | 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 | 크로스-검포넌트 선형 모델에 대한 간단화 |
US10893286B2 (en) * | 2018-10-09 | 2021-01-12 | Tencent America LLC | Methods and apparatus for low-complexity MTS |
CN116886926A (zh) | 2018-11-10 | 2023-10-13 | 北京字节跳动网络技术有限公司 | 成对平均候选计算中的取整 |
MX2021005901A (es) * | 2018-11-21 | 2021-06-23 | Huawei Tech Co Ltd | Metodo y dispositivo de intraprediccion. |
WO2020111981A1 (en) * | 2018-11-26 | 2020-06-04 | Huawei Technologies Co., Ltd. | Apparatus and method for chrominance quantization parameter derivation |
CN113366840A (zh) * | 2019-01-16 | 2021-09-07 | 夏普株式会社 | 用于在视频编码中导出视频块的量化参数的系统和方法 |
SG11202109150QA (en) | 2019-03-08 | 2021-09-29 | Beijing Bytedance Network Technology Co Ltd | Constraints on model-based reshaping in video processing |
WO2020185039A1 (ko) * | 2019-03-14 | 2020-09-17 | 엘지전자 주식회사 | 레지듀얼 코딩 방법 및 장치 |
CA3135968A1 (en) | 2019-04-18 | 2020-10-22 | Beijing Bytedance Network Technology Co., Ltd. | Restriction on applicability of cross component mode |
EP3935855A4 (en) | 2019-04-23 | 2022-09-21 | Beijing Bytedance Network Technology Co., Ltd. | METHOD OF CROSS-COMPONENT DEPENDENCE REDUCTION |
CN113785566A (zh) * | 2019-04-27 | 2021-12-10 | 韦勒斯标准与技术协会公司 | 基于帧内预测处理视频信号的方法和设备 |
EP3949395A4 (en) | 2019-05-08 | 2022-06-29 | Beijing Bytedance Network Technology Co., Ltd. | Conditions for applicability of cross-component coding |
WO2020228672A1 (en) | 2019-05-10 | 2020-11-19 | Beijing Bytedance Network Technology Co., Ltd. | Context modeling of reduced secondary transforms in video |
JP7277616B2 (ja) | 2019-06-07 | 2023-05-19 | 北京字節跳動網絡技術有限公司 | ビデオ・データを処理する方法、装置及び記憶媒体 |
CN116828176A (zh) * | 2019-06-11 | 2023-09-29 | Lg电子株式会社 | 解码设备、编码设备和发送设备 |
KR102594692B1 (ko) | 2019-06-11 | 2023-10-26 | 엘지전자 주식회사 | 크로마 성분에 대한 영상 디코딩 방법 및 그 장치 |
CN113382253B (zh) * | 2019-06-21 | 2022-05-20 | 杭州海康威视数字技术股份有限公司 | 一种编解码方法、装置、设备及存储介质 |
KR20220024006A (ko) | 2019-06-22 | 2022-03-03 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 크로마 잔차 스케일링을 위한 신택스 요소 |
CN117714698A (zh) * | 2019-06-28 | 2024-03-15 | 字节跳动有限公司 | 屏幕内容编解码中的色度帧内模式推导 |
US20220368917A1 (en) * | 2019-06-28 | 2022-11-17 | Lg Electronics Inc. | Image Decoding Method Using Chroma Quantization Parameter Table, And Device Therefor |
JP7339370B2 (ja) * | 2019-06-28 | 2023-09-05 | エルジー エレクトロニクス インコーポレイティド | クロマ量子化パラメータデータに対する画像デコード方法及びその装置 |
US11418787B2 (en) | 2019-06-28 | 2022-08-16 | Qualcomm Incorporated | Chroma delta QP in video coding |
KR20220029586A (ko) * | 2019-07-05 | 2022-03-08 | 엘지전자 주식회사 | 크로마 양자화 파라미터 데이터를 코딩하는 영상 디코딩 방법 및 그 장치 |
CN114342394A (zh) * | 2019-07-05 | 2022-04-12 | Lg 电子株式会社 | 用于色度分量的图像解码方法及其装置 |
US11381819B2 (en) | 2019-07-05 | 2022-07-05 | Qualcomm Incorporated | Chroma delta quantization parameter (QP) in video coding |
EP3977738A4 (en) | 2019-07-07 | 2022-08-17 | Beijing Bytedance Network Technology Co., Ltd. | SIGNALING OF CHROMA RESIDUAL SCALE |
CN117376555A (zh) | 2019-08-03 | 2024-01-09 | 北京字节跳动网络技术有限公司 | 视频编解码中缩减二次变换的矩阵的选择 |
CN114223208B (zh) | 2019-08-17 | 2023-12-29 | 北京字节跳动网络技术有限公司 | 为视频中的缩减二次变换的边信息的上下文建模 |
CN114270842A (zh) * | 2019-08-27 | 2022-04-01 | 现代自动车株式会社 | 利用差分编码的视频编码和解码 |
US11146829B2 (en) | 2019-09-20 | 2021-10-12 | Alibaba Group Holding Limited | Quantization parameter signaling in video processing |
US20220345694A1 (en) * | 2019-09-23 | 2022-10-27 | Lg Electronics Inc. | Image encoding/decoding method and apparatus using quantization matrix, and method for transmitting bitstream |
JP7001668B2 (ja) * | 2019-12-26 | 2022-01-19 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
CN114868388A (zh) * | 2019-12-27 | 2022-08-05 | 北京达佳互联信息技术有限公司 | 在4:4:4色度格式下进行视频编解码的方法和装置 |
WO2022114768A1 (ko) * | 2020-11-24 | 2022-06-02 | 현대자동차주식회사 | 성분 간 참조를 이용하는 잔차신호 생성방법과 장치 |
Family Cites Families (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7099387B2 (en) * | 2002-03-22 | 2006-08-29 | Realnetorks, Inc. | Context-adaptive VLC video transform coefficients encoding/decoding methods and apparatuses |
KR100585710B1 (ko) * | 2002-08-24 | 2006-06-02 | 엘지전자 주식회사 | 가변길이 동영상 부호화 방법 |
US7649539B2 (en) * | 2004-03-10 | 2010-01-19 | Microsoft Corporation | Image formats for video capture, processing and display |
CN1777283A (zh) * | 2004-12-31 | 2006-05-24 | 上海广电(集团)有限公司 | 一种基于微块的视频信号编/解码方法 |
US7751478B2 (en) * | 2005-01-21 | 2010-07-06 | Seiko Epson Corporation | Prediction intra-mode selection in an encoder |
US7495679B2 (en) * | 2005-08-02 | 2009-02-24 | Kolorific, Inc. | Method and system for automatically calibrating a color display |
US7773816B2 (en) * | 2006-04-17 | 2010-08-10 | Mediatek Inc. | Systems and methods for decoding large images |
US9001899B2 (en) * | 2006-09-15 | 2015-04-07 | Freescale Semiconductor, Inc. | Video information processing system with selective chroma deblock filtering |
CN100586184C (zh) * | 2008-01-24 | 2010-01-27 | 北京工业大学 | 帧内预测方法 |
KR101291196B1 (ko) * | 2008-01-25 | 2013-07-31 | 삼성전자주식회사 | 영상의 부호화, 복호화 방법 및 장치 |
CN101222646B (zh) * | 2008-01-30 | 2010-06-02 | 上海广电(集团)有限公司中央研究院 | 一种适用于avs编码的帧内预测装置及预测方法 |
US8542730B2 (en) * | 2008-02-22 | 2013-09-24 | Qualcomm, Incorporated | Fast macroblock delta QP decision |
CN101247525B (zh) * | 2008-03-24 | 2010-06-02 | 北京邮电大学 | 一种提高图像帧内编码速率的方法 |
US8199823B2 (en) * | 2008-04-15 | 2012-06-12 | Sony Corporation | Estimation of B frame average rate quantization parameter (QP) in a group of pictures (GOP) |
US8897359B2 (en) * | 2008-06-03 | 2014-11-25 | Microsoft Corporation | Adaptive quantization for enhancement layer video coding |
JP5519654B2 (ja) * | 2008-06-12 | 2014-06-11 | トムソン ライセンシング | 低減ビット深度更新モードおよび低減色度サンプリング更新モードを用いるビデオコーディングおよびデコーディングのための方法および装置 |
US8279924B2 (en) * | 2008-10-03 | 2012-10-02 | Qualcomm Incorporated | Quantization parameter selections for encoding of chroma and luma video blocks |
CN101742301B (zh) * | 2008-11-24 | 2017-04-19 | 北京中星微电子有限公司 | 一种块模式编码方法及装置 |
CN101742330B (zh) * | 2008-11-24 | 2013-03-27 | 北京中星微电子有限公司 | 一种图像编码方法及装置 |
KR101527085B1 (ko) * | 2009-06-30 | 2015-06-10 | 한국전자통신연구원 | 인트라 부호화/복호화 방법 및 장치 |
US8588297B2 (en) * | 2009-12-23 | 2013-11-19 | Oracle America, Inc. | Quantization parameter prediction |
CN102223525B (zh) * | 2010-04-13 | 2014-02-19 | 富士通株式会社 | 视频解码方法和系统 |
JP5488168B2 (ja) * | 2010-04-27 | 2014-05-14 | パナソニック株式会社 | 画像符号化装置 |
MX2012013748A (es) * | 2010-06-04 | 2013-01-22 | Sony Corp | Dispositivo y metodo de procesamiento de imagenes. |
JP2012054818A (ja) * | 2010-09-02 | 2012-03-15 | Sony Corp | 画像処理装置と画像処理方法 |
CN102065298B (zh) * | 2011-01-05 | 2012-10-24 | 西安电子科技大学 | 高性能宏块编码实现方法 |
US9667987B2 (en) | 2011-03-10 | 2017-05-30 | Futurewei Technologies, Inc. | Using multiple prediction sets to encode extended unified directional intra mode numbers for robustness |
US9654785B2 (en) | 2011-06-09 | 2017-05-16 | Qualcomm Incorporated | Enhanced intra-prediction mode signaling for video coding using neighboring mode |
US9565428B2 (en) * | 2011-06-20 | 2017-02-07 | Mediatek Singapore Pte. Ltd. | Method and apparatus of chroma intra prediction with reduced line memory |
US9693070B2 (en) * | 2011-06-24 | 2017-06-27 | Texas Instruments Incorporated | Luma-based chroma intra-prediction for video coding |
KR102006032B1 (ko) * | 2011-06-29 | 2019-07-31 | 선 페이턴트 트러스트 | 화상 복호 방법, 화상 부호화 방법, 화상 복호 장치, 화상 부호화 장치 및 화상 부호화 복호 장치 |
GB2494468B (en) | 2011-09-12 | 2014-01-15 | Canon Kk | Method and device for encoding or decoding information representing prediction modes |
EP3139596B1 (en) | 2011-09-13 | 2019-09-25 | HFI Innovation Inc. | Method and apparatus for intra mode coding in hevc |
US20130083845A1 (en) * | 2011-09-30 | 2013-04-04 | Research In Motion Limited | Methods and devices for data compression using a non-uniform reconstruction space |
KR101575777B1 (ko) | 2011-10-07 | 2015-12-14 | 주식회사 팬택자산관리 | 복수개의 후보 화면 내 예측 모드를 이용한 화면 내 예측 모드의 부호화/복호화 방법 및 이러한 방법을 사용하는 장치 |
KR20130049523A (ko) * | 2011-11-04 | 2013-05-14 | 오수미 | 인트라 예측 블록 생성 장치 |
KR20130049526A (ko) * | 2011-11-04 | 2013-05-14 | 오수미 | 복원 블록 생성 방법 |
KR20130058524A (ko) * | 2011-11-25 | 2013-06-04 | 오수미 | 색차 인트라 예측 블록 생성 방법 |
JP6064580B2 (ja) | 2011-12-21 | 2017-01-25 | 株式会社Jvcケンウッド | 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム、並びに送信装置、送信方法及び送信プログラム |
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