JP2005518730A - メディア情報の順応性のある記憶 - Google Patents
メディア情報の順応性のある記憶 Download PDFInfo
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- JP2005518730A JP2005518730A JP2003570577A JP2003570577A JP2005518730A JP 2005518730 A JP2005518730 A JP 2005518730A JP 2003570577 A JP2003570577 A JP 2003570577A JP 2003570577 A JP2003570577 A JP 2003570577A JP 2005518730 A JP2005518730 A JP 2005518730A
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4147—PVR [Personal Video Recorder]
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- 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
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/115—Selection of the code volume for a coding unit prior to coding
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
- H04N19/17—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 being an image region, e.g. an object
- H04N19/176—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 being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/18—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 being a set of transform coefficients
-
- 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
- H04N19/187—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 being a scalable video layer
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
Abstract
Description
Claims (7)
- メモリの別々に再使用可能なブロックを含む記憶システムにメディア情報のアイテムを記憶する方法であって、
第1アイテムの情報を複数の層に分割するステップであって、これにより前記第1アイテムが、前記層のサブセットにより、前記層の残りの部分を使用せずに減少された品質で表されることができる、当該分割するステップと、
各層を前記ブロックの対応する1つに記憶するステップと、
前記第1アイテムの情報を記憶した後に第2アイテムの情報を記憶するステップと、
情報を記憶するために使用中であるブロックの数に依存して前記第2アイテムの情報を記憶するブロックを選択するステップであって、前記使用中であるブロックの数が閾値の数より下の場合には未使用ブロックが選択され、もし前記数が前記閾値の数より上であれば、前記残りの部分の層を記憶するために使用されたブロックが、前記第2アイテムの情報を記憶するために再使用される、当該選択するステップと、
を有する方法。 - 前記メディア情報が、視覚的な情報であり、前記層の前記サブセット及び前記残りの部分が、それぞれ前記視覚的な情報の低解像度部分及び残りの部分を含む、請求項1に記載の方法。
- 前記方法が、前記メディア情報のアイテムを暗号化するステップを有し、前記第1アイテムの異なる層が、互いに独立に暗号化される、請求項1に記載の方法。
- メディア情報を暗号化する方法であって、前記方法が、前記情報を複数の層に分割するステップを有し、これにより前記メディア情報が、前記層のサブセットにより前記層の残りの部分を使用せずに減少された品質で表されることができ、前記層が互いに独立に暗号化される方法。
- メディア情報記憶システムであって、
受信されたメディア情報のアイテムを複数の層に分割し、これにより前記メディア情報が、前記層のサブセットにより前記層の残りの部分を使用せずに減少された品質で表されることができる分割手段と、
別々に再使用可能なブロックのメモリと、
ブロックを対応するアイテムの対応する層に割り当てるメモリ管理システムであり、前記アイテムのうち第2アイテムの情報の層を、前記ブロックのうち自由に利用可能なブロック又は前記アイテムのうち第1アイテムの前記層の前記残りの部分に対して使用中のブロックの何れに記憶するか選択するように構成された当該メモリ管理システムであって、前記選択が自由に利用可能であるブロックの数に依存し、これにより閾値の数より多いブロックが自由に利用可能である場合に、前記ブロックのうち前記自由に利用可能であるブロックが選択される、当該メモリ管理システムと、
を有するメディア情報記憶システム。 - 前記アイテムのうち前記第1アイテムに対する前記層のうち異なる層を互いに独立に暗号化するように構成される暗号化回路を有する、請求項5に記載のメディア情報記憶システム。
- コンピュータに請求項1に記載の方法を実行させる命令を含むコンピュータプログラム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02075685 | 2002-02-20 | ||
PCT/IB2003/000216 WO2003071808A2 (en) | 2002-02-20 | 2003-01-21 | Flexible storage of media information |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005518730A true JP2005518730A (ja) | 2005-06-23 |
Family
ID=27741176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003570577A Pending JP2005518730A (ja) | 2002-02-20 | 2003-01-21 | メディア情報の順応性のある記憶 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20050147396A1 (ja) |
EP (1) | EP1479243A2 (ja) |
JP (1) | JP2005518730A (ja) |
KR (1) | KR20040086386A (ja) |
CN (1) | CN1636409A (ja) |
AU (1) | AU2003247426A1 (ja) |
WO (1) | WO2003071808A2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006129222A2 (en) * | 2005-05-31 | 2006-12-07 | Koninklijke Philips Electronics N.V. | Viewing of video data in a normal mode and a tease mode |
KR101149587B1 (ko) * | 2011-10-31 | 2012-05-29 | 한국인터넷진흥원 | 이동통신망의 시그널링 도스 트래픽 탐지방법 |
KR102526526B1 (ko) * | 2018-06-14 | 2023-04-28 | 에스케이하이닉스 주식회사 | 메모리 시스템 및 그것의 동작방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5140417A (en) * | 1989-06-20 | 1992-08-18 | Matsushita Electric Co., Ltd. | Fast packet transmission system of video data |
FR2697393A1 (fr) * | 1992-10-28 | 1994-04-29 | Philips Electronique Lab | Dispositif de codage de signaux numériques représentatifs d'images, et dispositif de décodage correspondant. |
EP0766471A1 (en) * | 1994-12-27 | 1997-04-02 | Kabushiki Kaisha Toshiba | Transmitter, receiver, communication processing system integrating them, and digital television broadcasting system |
US6067383A (en) * | 1995-09-12 | 2000-05-23 | Matsushita Electric Industrial Co., Ltd. | Coding method, coding apparatus, wavelet transform apparatus, and wavelet reverse transform apparatus |
JP2000209553A (ja) * | 1998-11-13 | 2000-07-28 | Victor Co Of Japan Ltd | 情報信号記録装置及び再生装置 |
US6885395B1 (en) * | 2000-05-26 | 2005-04-26 | Eastman Kodak Company | Selectively adjusting the resolution levels or the quality levels of digital images stored in a digital camera memory |
-
2003
- 2003-01-21 AU AU2003247426A patent/AU2003247426A1/en not_active Abandoned
- 2003-01-21 JP JP2003570577A patent/JP2005518730A/ja active Pending
- 2003-01-21 CN CNA038042320A patent/CN1636409A/zh active Pending
- 2003-01-21 US US10/504,754 patent/US20050147396A1/en not_active Abandoned
- 2003-01-21 KR KR10-2004-7012731A patent/KR20040086386A/ko not_active Application Discontinuation
- 2003-01-21 EP EP03742619A patent/EP1479243A2/en not_active Withdrawn
- 2003-01-21 WO PCT/IB2003/000216 patent/WO2003071808A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
KR20040086386A (ko) | 2004-10-08 |
EP1479243A2 (en) | 2004-11-24 |
WO2003071808A3 (en) | 2004-01-08 |
AU2003247426A8 (en) | 2003-09-09 |
US20050147396A1 (en) | 2005-07-07 |
AU2003247426A1 (en) | 2003-09-09 |
CN1636409A (zh) | 2005-07-06 |
WO2003071808A2 (en) | 2003-08-28 |
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