JP4652462B2 - メタデータ処理方法 - Google Patents
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- JP4652462B2 JP4652462B2 JP2009111990A JP2009111990A JP4652462B2 JP 4652462 B2 JP4652462 B2 JP 4652462B2 JP 2009111990 A JP2009111990 A JP 2009111990A JP 2009111990 A JP2009111990 A JP 2009111990A JP 4652462 B2 JP4652462 B2 JP 4652462B2
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8543—Content authoring using a description language, e.g. Multimedia and Hypermedia information coding Expert Group [MHEG], eXtensible Markup Language [XML]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1435—Saving, restoring, recovering or retrying at system level using file system or storage system metadata
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/71—Indexing; Data structures therefor; Storage structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
- G06F16/7847—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using low-level visual features of the video content
- G06F16/785—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using low-level visual features of the video content using colour or luminescence
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
- G06F16/7847—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using low-level visual features of the video content
- G06F16/786—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using low-level visual features of the video content using motion, e.g. object motion or camera motion
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/80—Information retrieval; Database structures therefor; File system structures therefor of semi-structured data, e.g. markup language structured data such as SGML, XML or HTML
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/40—Scenes; Scene-specific elements in video content
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/34—Indicating arrangements
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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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234336—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by media transcoding, e.g. video is transformed into a slideshow of still pictures or audio is converted into text
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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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
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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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/466—Learning process for intelligent management, e.g. learning user preferences for recommending movies
- H04N21/4668—Learning process for intelligent management, e.g. learning user preferences for recommending movies for recommending content, e.g. movies
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
- H04N21/8405—Generation or processing of descriptive data, e.g. content descriptors represented by keywords
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Databases & Information Systems (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Library & Information Science (AREA)
- Data Mining & Analysis (AREA)
- Software Systems (AREA)
- Computer Security & Cryptography (AREA)
- Quality & Reliability (AREA)
- Television Signal Processing For Recording (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
Description
この実施の形態1では、動画像や音声を含むマルチメディアコンテンツを複数のシーンに分割し、シーンの階層的な構造記述や、各シーンの特徴量を含むメタデータ(インデックス情報)を作成するメタデータ編集装置について説明する。
上記の実施の形態1では、シーンの分割をすべて手動で行っていたが、この実施の形態2では、シーンチェンジ点を自動検出するシーンチェンジ検出部を備えたことを特徴とするデータ編集装置について説明する。
この実施の形態3では、上記実施の形態1及び2のメタデータ編集装置により生成されたメタデータを利用して、画像の要約再生や、検索などを行うメタデータ再生装置について説明する。
この実施の形態4では、コンテンツのメタデータをクライアント端末に対して配信するメタデータ配信サーバ(メタデータ配信装置)と、そのコンテンツをクライアント端末の端末能力に応じてスケーラブルに構成して配信するコンテンツ配信サーバと、について説明する。
この実施の形態5では、上記実施の形態4で説明したメタデータ配信サーバの別の例を説明する。上記実施の形態4のメタデータ配信サーバでは、クライアント端末から送信される端末情報に基づいて、メタデータの再生成を行っていた。この実施の形態5では、より適切なメタデータの再生成を行うために、メタデータ再生成のためのヒント情報であるメタデータ最適化ヒント情報を用いて、メタデータの再生成を行うメタデータ解析・再生成部を備えたことを特徴とするメタデータ配信サーバ(メタデータ配信装置)について説明する。
上記の実施の形態5では、メタデータ再生成のためのメタデータ最適化ヒント情報を用いて、メタデータの解析および再生成に伴う処理コストを低減するメタデータ配信サーバについて説明したが、この実施の形態6では、メタデータ最適化ヒント情報を用いて、メタデータの検索に伴う処理を軽減するメタデータ検索サーバ(メタデータ検索装置)について説明する。
上記の実施の形態5または実施の形態6では、メタデータ最適化ヒント情報を利用するサーバ側について説明したが、この実施の形態7では、メタデータ最適化ヒント情報を利用するクライアント端末(メタデータ再生成条件設定装置)について説明する。
上記の実施の形態5または実施の形態6では、メタデータ最適化ヒント情報を用いてメタデータを再生成し、再生成したメタデータを配信するサーバについて説明したが、この実施の形態8では、メタデータ最適化ヒント情報を用いてメタデータを解析し、解析結果を利用してクライアント端末やユーザ嗜好に適したコンテンツを再生成して配信するコンテンツ配信サーバ(コンテンツ配信装置)について説明する。
Claims (3)
- コンテンツの内容を記述するメタデータを配信するメタデータ配信装置で行われるメタデータ処理方法であって、
前記メタデータ配信装置は、前記コンテンツの再生、編集において必要な前記メタデータの処理を行うメタデータ解析・再生成部を備え、
前記メタデータ解析・再生成部により、前記メタデータから、前記コンテンツの意味内容、構造、特徴を記述する1つまたは複数の記述子を抽出するステップと、
前記メタデータ解析・再生成部により、ヒント情報を用いて前記メタデータを操作するステップとを含み、
前記ヒント情報には、メタデータに含まれる各記述子の出現個数と出現位置が記述されている、
メタデータ処理方法。 - 請求項1記載のメタデータ処理方法において、前記ヒント情報には、メタデータに含まれる各記述子の出現位置をその記述子固有の識別子またはその記述子が出現する階層構造の深さの最大値が記述されている、
メタデータ処理方法。 - コンテンツの内容を記述するメタデータを配信するメタデータ配信装置で行われるメタデータ処理方法であって、
前記メタデータ配信装置は、前記コンテンツの再生、編集において必要な前記メタデータの処理を行うメタデータ解析・再生成部を備え、
前記メタデータ解析・再生成部により、前記メタデータから、前記コンテンツの意味内容、構造、特徴を記述する1つまたは複数の記述子を抽出するステップと、
前記メタデータ解析・再生成部により、ヒント情報を用いて前記メタデータを操作するステップとを含み、
前記ヒント情報には、メタデータに含まれる記述子の出現個数の総和が記述されている、
メタデータ処理方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009111990A JP4652462B2 (ja) | 2002-04-12 | 2009-05-01 | メタデータ処理方法 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002110259 | 2002-04-12 | ||
JP2002178169 | 2002-06-19 | ||
JP2009111990A JP4652462B2 (ja) | 2002-04-12 | 2009-05-01 | メタデータ処理方法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003585438A Division JPWO2003088665A1 (ja) | 2002-04-12 | 2003-03-20 | メタデータ編集装置、メタデータ再生装置、メタデータ配信装置、メタデータ検索装置、メタデータ再生成条件設定装置、及びメタデータ配信方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009171623A JP2009171623A (ja) | 2009-07-30 |
JP4652462B2 true JP4652462B2 (ja) | 2011-03-16 |
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Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003585438A Pending JPWO2003088665A1 (ja) | 2002-04-12 | 2003-03-20 | メタデータ編集装置、メタデータ再生装置、メタデータ配信装置、メタデータ検索装置、メタデータ再生成条件設定装置、及びメタデータ配信方法 |
JP2009111991A Expired - Fee Related JP4987907B2 (ja) | 2002-04-12 | 2009-05-01 | メタデータ処理装置 |
JP2009111988A Pending JP2009171621A (ja) | 2002-04-12 | 2009-05-01 | ヒント情報記述方法 |
JP2009111989A Pending JP2009171622A (ja) | 2002-04-12 | 2009-05-01 | ヒント情報記述方法 |
JP2009111990A Expired - Fee Related JP4652462B2 (ja) | 2002-04-12 | 2009-05-01 | メタデータ処理方法 |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003585438A Pending JPWO2003088665A1 (ja) | 2002-04-12 | 2003-03-20 | メタデータ編集装置、メタデータ再生装置、メタデータ配信装置、メタデータ検索装置、メタデータ再生成条件設定装置、及びメタデータ配信方法 |
JP2009111991A Expired - Fee Related JP4987907B2 (ja) | 2002-04-12 | 2009-05-01 | メタデータ処理装置 |
JP2009111988A Pending JP2009171621A (ja) | 2002-04-12 | 2009-05-01 | ヒント情報記述方法 |
JP2009111989A Pending JP2009171622A (ja) | 2002-04-12 | 2009-05-01 | ヒント情報記述方法 |
Country Status (10)
Country | Link |
---|---|
US (7) | US7826709B2 (ja) |
EP (7) | EP2202649A1 (ja) |
JP (5) | JPWO2003088665A1 (ja) |
KR (4) | KR100997599B1 (ja) |
CN (1) | CN100367794C (ja) |
AU (1) | AU2003221185A1 (ja) |
CA (2) | CA2664732C (ja) |
SG (1) | SG152905A1 (ja) |
TW (1) | TWI231140B (ja) |
WO (1) | WO2003088665A1 (ja) |
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