JP2012507904A - コンテンツマッチングシステムにおける同時放送の解決 - Google Patents
コンテンツマッチングシステムにおける同時放送の解決 Download PDFInfo
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- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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- H04H60/37—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying segments of broadcast information, e.g. scenes or extracting programme ID
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Abstract
【選択図】 図1
Description
TSS=(ST+VSL−PT)/PT
ここで、
TSS:同時放送セグメントの総数
ST:同時放送時間(秒)(図3では70)
VSL:視聴セグメント長(秒)(図3では91、92、93及び94)
PT:持続閾値(秒)(図3では90)
SSS=2×(VSL−PT)/PT
ここで、
SSS:解決済同時放送セグメントの数
VSL:視聴セグメント長(秒)
PT:持続閾値(秒)
SRF=SSS/TSS=2×(VSL−PT)/(ST+VSL−PT)
Claims (18)
- 同時放送伝送中に放送ソースを特定する方法であって、
未知の放送コンテンツからシグネチャを生成するステップと、
一致するシグネチャを見つけるために、前記未知の放送コンテンツの前記シグネチャを既知の放送ソースのシグネチャと比較するステップと、
既知の放送ソースの各々に対する一致するシグネチャをそれぞれの追跡セグメントにグループ化するステップと、
前記それぞれの追跡セグメントの時間長を比較するステップと、
前記それぞれの追跡セグメントのうちの最長の追跡セグメントを特定するステップと、
前記未知の放送コンテンツの対応するセグメントを、前記最長の追跡セグメントに従って既知の放送ソースに割り当てるステップと、
を含む方法。 - 前記未知の放送コンテンツがライブ視聴に対応する、請求項1に記載の方法。
- 前記未知の放送コンテンツがタイムシフト視聴に対応する、請求項1に記載の方法。
- 前記未知の放送コンテンツがテレビ番組である、請求項1に記載の方法。
- 前記未知の放送コンテンツがラジオ番組である、請求項1に記載の方法。
- 前記未知の放送コンテンツがアナログ信号によって伝送される、請求項1に記載の方法。
- 前記未知の放送コンテンツがデジタル信号によって伝送される、請求項1に記載の方法。
- 前記既知の放送ソースがテレビチャンネルである、請求項1に記載の方法。
- 前記既知の放送ソースがラジオ局である、請求項1に記載の方法。
- 前記既知の放送ソースがアナログ信号によって伝送される、請求項1に記載の方法。
- 前記既知の放送ソースがデジタル信号によって伝送される、請求項1に記載の方法。
- 前記シグネチャが、前記未知の放送コンテンツの時間領域の特徴に基づいて生成される、請求項1に記載の方法。
- 前記シグネチャが、前記未知の放送コンテンツの周波数領域の特徴に基づいて生成される、請求項1に記載の方法。
- 前記シグネチャが、前記未知の放送コンテンツのデジタルデータストリームの特徴に基づいて生成される、請求項1に記載の方法。
- 請求項1に記載の方法のステップを実行するコンピュータ実行可能命令を含む、処理装置で実行可能なコンピュータプログラム。
- 請求項15に記載のコンピュータプログラムを含む記録媒体。
- 請求項1に記載の方法を実行するように構成されるか又は請求項15に記載のコンピュータプログラムを含むプロセッサを具備する装置。
- 音声シグネチャ又は映像シグネチャの発生器を含む測定装置と、
前記視聴率測定器と通信して、同時放送伝送中に前記音声又は映像発生器によって生成される音声又は映像シグネチャから放送ソースを特定する、請求項17に記載のプロセッサと、
を具備する視聴率測定システム。
Applications Claiming Priority (3)
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GB0820055.2 | 2008-10-31 | ||
GB0820055.2A GB2465141B (en) | 2008-10-31 | 2008-10-31 | Simulcast resolution in content matching systems |
PCT/IB2009/007396 WO2010049809A1 (en) | 2008-10-31 | 2009-10-22 | Simulcast resolution in content matching systems |
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JP2012507904A true JP2012507904A (ja) | 2012-03-29 |
JP5514992B2 JP5514992B2 (ja) | 2014-06-04 |
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US (3) | US8181196B2 (ja) |
EP (1) | EP2362988A1 (ja) |
JP (1) | JP5514992B2 (ja) |
CN (1) | CN102217218A (ja) |
AU (1) | AU2009309329A1 (ja) |
CA (1) | CA2742348C (ja) |
GB (1) | GB2465141B (ja) |
WO (1) | WO2010049809A1 (ja) |
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WO2010049809A1 (en) | 2010-05-06 |
GB0820055D0 (en) | 2008-12-10 |
US9131270B2 (en) | 2015-09-08 |
US20100115543A1 (en) | 2010-05-06 |
AU2009309329A1 (en) | 2010-05-06 |
GB2465141B (en) | 2014-01-22 |
US8739198B2 (en) | 2014-05-27 |
US20140237499A1 (en) | 2014-08-21 |
GB2465141A (en) | 2010-05-12 |
JP5514992B2 (ja) | 2014-06-04 |
US20120304214A1 (en) | 2012-11-29 |
CA2742348A1 (en) | 2010-05-06 |
CN102217218A (zh) | 2011-10-12 |
EP2362988A1 (en) | 2011-09-07 |
CA2742348C (en) | 2016-06-28 |
US8181196B2 (en) | 2012-05-15 |
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