JP2005117156A - データ処理装置 - Google Patents
データ処理装置 Download PDFInfo
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- JP2005117156A JP2005117156A JP2003345852A JP2003345852A JP2005117156A JP 2005117156 A JP2005117156 A JP 2005117156A JP 2003345852 A JP2003345852 A JP 2003345852A JP 2003345852 A JP2003345852 A JP 2003345852A JP 2005117156 A JP2005117156 A JP 2005117156A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/1883—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
- H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25825—Management of client data involving client display capabilities, e.g. screen resolution of a mobile phone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6581—Reference data, e.g. a movie identifier for ordering a movie or a product identifier in a home shopping application
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Computer Graphics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Television Signal Processing For Recording (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Abstract
【効果】 LRCP配列およびRLCP配列の両方のストリームを短い処理時間で生成できるので、快適さを損なうことなく、異なる解像度および異なるSNRの両方を含む様々な画質で画像を再生することが可能となる。
【選択図】 図1
Description
12…カメラ
14…モニタ
16…サーバ
18a…HD(ハードディスク)
26…SDRAM
30…JPEG2000コーデック
34…ブロック並べ替え回路
36…フラッシュメモリ
38…CPU
Claims (8)
- 入力データを符号化して第1態様で配列された複数のデータブロックを含む第1データブロック列を生成する符号化手段、
前記第1データブロック列を形成するデータブロックを並び替えて第2態様で配列された複数のデータブロックを含む第2データブロック列を生成する並び替え手段、
データブロック列の送信要求を受け付ける受け付け手段、
前記送信要求が前記第1データブロック列および前記第2データブロック列のいずれを要求しているかを判別する第1判別手段、および
前記第1判別手段の判別結果に対応するデータブロック列を送信する送信手段を備える、データ処理装置。 - 前記符号化手段によって符号化された第1データブロック列を記録媒体に記録する記録手段をさらに備え、
前記並び替え手段は前記送信要求を受け付けたとき前記第1判別手段の判別結果に応じて並び替えを実行する、請求項1記載のデータ処理装置。 - 前記並び替え手段は、前記第1データブロック列から前記第2態様に従う順序でデータブロックを抽出する抽出手段、および前記抽出手段によって抽出されたデータブロックを先頭から順に配列する配列手段を含む、請求項1または2記載のデータ処理装置。
- 前記送信要求がいくつのデータブロックを要求しているかを判別する第2判別手段をさらに備え、
前記並び替え手段は前記第2判別手段の判別結果に応じて並び替えを施すデータブロック数を制御する、請求項3記載のデータ処理装置。 - 前記入力データは静止画像データであり、
前記符号化手段は解像度およびSNRを含む複数の画質パラメータに基づいて前記静止画像データに階層符号化を施す、請求項1ないし4のいずれかに記載のデータ処理装置。 - 前記第1データブロック列は前記複数の画質パラメータの1つを最優先として階層符号化を施されたデータブロック列であり、
前記第2データブロック列は前記複数の画質パラメータの他の1つを最優先として階層符号化を施されたデータブロック列である、請求項5記載のデータ処理装置。 - 前記階層符号化はJPEG2000方式に従う、請求項5または6記載のデータ処理装置。
- 前記静止画像データは動画像を形成する1画面の画像データである、請求項5ないし7のいずれかに記載のデータ処理装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003345852A JP4097586B2 (ja) | 2003-10-03 | 2003-10-03 | データ処理装置 |
CNA200410080632XA CN1604636A (zh) | 2003-10-03 | 2004-09-29 | 数据处理装置 |
EP20040023339 EP1521474A3 (en) | 2003-10-03 | 2004-09-30 | Data processing apparatus |
US10/954,770 US20050073892A1 (en) | 2003-10-03 | 2004-10-01 | Data processing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003345852A JP4097586B2 (ja) | 2003-10-03 | 2003-10-03 | データ処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005117156A true JP2005117156A (ja) | 2005-04-28 |
JP4097586B2 JP4097586B2 (ja) | 2008-06-11 |
Family
ID=34309163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003345852A Expired - Lifetime JP4097586B2 (ja) | 2003-10-03 | 2003-10-03 | データ処理装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050073892A1 (ja) |
EP (1) | EP1521474A3 (ja) |
JP (1) | JP4097586B2 (ja) |
CN (1) | CN1604636A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007058294A1 (ja) * | 2005-11-18 | 2007-05-24 | Sony Corporation | 符号化装置および方法、復号装置および方法、並びに、伝送システム |
JP2008187574A (ja) * | 2007-01-31 | 2008-08-14 | Sony Corp | 情報処理装置および方法、プログラム、並びに記録媒体 |
WO2011037049A1 (ja) * | 2009-09-24 | 2011-03-31 | ソニー株式会社 | 画像処理装置および方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101129063B (zh) * | 2005-11-18 | 2010-05-19 | 索尼株式会社 | 编码设备和方法、解码设备和方法以及传输系统 |
JP4789192B2 (ja) * | 2006-04-12 | 2011-10-12 | 株式会社リコー | 符号処理装置、プログラム及び情報記録媒体 |
WO2009141787A1 (en) * | 2008-05-21 | 2009-11-26 | Nxp B.V. | A data handling system comprising a rearrangement network |
US20120265768A1 (en) * | 2008-10-08 | 2012-10-18 | Mitsubishi Electric Corporation | Encoding and decoding method and apparatus for multimedia signatures |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6898323B2 (en) * | 2001-02-15 | 2005-05-24 | Ricoh Company, Ltd. | Memory usage scheme for performing wavelet processing |
-
2003
- 2003-10-03 JP JP2003345852A patent/JP4097586B2/ja not_active Expired - Lifetime
-
2004
- 2004-09-29 CN CNA200410080632XA patent/CN1604636A/zh active Pending
- 2004-09-30 EP EP20040023339 patent/EP1521474A3/en not_active Withdrawn
- 2004-10-01 US US10/954,770 patent/US20050073892A1/en not_active Abandoned
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007058294A1 (ja) * | 2005-11-18 | 2007-05-24 | Sony Corporation | 符号化装置および方法、復号装置および方法、並びに、伝送システム |
US8320693B2 (en) | 2005-11-18 | 2012-11-27 | Sony Corporation | Encoding device and method, decoding device and method, and transmission system |
JP2008187574A (ja) * | 2007-01-31 | 2008-08-14 | Sony Corp | 情報処理装置および方法、プログラム、並びに記録媒体 |
WO2011037049A1 (ja) * | 2009-09-24 | 2011-03-31 | ソニー株式会社 | 画像処理装置および方法 |
JP2011071648A (ja) * | 2009-09-24 | 2011-04-07 | Sony Corp | 画像処理装置および方法 |
CN102511161A (zh) * | 2009-09-24 | 2012-06-20 | 索尼公司 | 图像处理设备和图像处理方法 |
US8634665B2 (en) | 2009-09-24 | 2014-01-21 | Sony Corporation | Image processing apparatus and image processing method |
Also Published As
Publication number | Publication date |
---|---|
EP1521474A3 (en) | 2006-03-22 |
JP4097586B2 (ja) | 2008-06-11 |
EP1521474A2 (en) | 2005-04-06 |
US20050073892A1 (en) | 2005-04-07 |
CN1604636A (zh) | 2005-04-06 |
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