JP4536402B2 - 映像再生装置、映像再生方法及びその方法をコンピュータに実行させるためのプログラム - Google Patents
映像再生装置、映像再生方法及びその方法をコンピュータに実行させるためのプログラム Download PDFInfo
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- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/34—Indicating arrangements
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- H04N21/41—Structure of client; Structure of client peripherals
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- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
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Description
Claims (5)
- シーンチェンジ点に係るフレームと前フレームとの差分値である隣接フレーム間相違度と、当該シーンチェンジ点を検索するための縮小画像とが共に記録された映像を再生する装置であって、
前記映像を画面に再生表示する表示手段と、
前記表示手段の画面に前記縮小画像を表示する所定の時間幅を決定する時間幅決定手段と、
前記時間幅決定手段により決定された前記時間幅を所定の区間に分割する時間幅分割手段と、
前記時間幅分割手段により分割された各々の区間における分割時間幅で表示する縮小画像枚数を、予め格納された情報に基づいて決定する枚数決定手段と、
この枚数決定手段により決定された前記縮小画像枚数に一致する枚数の縮小画像を抽出可能に、前記分割時間幅に記録された前記隣接フレーム間相違度に閾値を設定する閾値設定手段と、
この閾値設定手段により設定された前記閾値以上のシーンチェンジ点に対応する前記縮小画像を前記映像に同期させて画面に再生表示するように前記表示手段の動作を制御する制御手段とを備え、
前記分割された各々の区間は互いに等しい時間幅であり、該時間幅当たり複数枚の縮小画像が前記再生表示されると共に、該縮小画像の枚数が各々の区間で等しくなるように前記閾値設定手段で設定される前記閾値を調整することを特徴とする映像再生装置。 - 前記閾値設定手段は、前記隣接フレーム間相違度として記録された隣接フレーム間の輝度差分値に閾値を設定することを特徴とする請求項1に記載の映像再生装置。
- シーンチェンジ点に係るフレームと前フレームとの差分値である隣接フレーム間相違度と、当該シーンチェンジ点を検索するための縮小画像とが共に記録された映像を再生する方法であって、
前記縮小画像を表示する所定の時間幅を決定し、
決定された前記時間幅を互いに等しい分割時間幅を有した複数の区間に分割し、
分割された各々の区間における分割時間幅で表示する縮小画像枚数を、予め格納された情報に基づいて決定し、
決定された前記縮小画像枚数に一致する枚数の縮小画像を抽出可能に、前記各々の区間で前記縮小画像枚数が等しくなるように該各々の区間に記録された前記隣接フレーム間相違度に閾値を設定し、
設定された前記閾値以上のシーンチェンジ点に対応する前記縮小画像を前記映像に同期させて画面に再生表示する
ことを特徴とする映像再生方法。 - 前記縮小画像枚数に一致する枚数の縮小画像を抽出可能に前記時間幅に記録された前記隣接フレーム間相違度に閾値を設定する際に、
前記隣接フレーム間相違度として記録された隣接フレーム間の輝度差分値に閾値を設定する
ことを特徴とする請求項3に記載の映像再生方法。 - シーンチェンジ点に係るフレームと前フレームとの差分値である隣接フレーム間相違度と、当該シーンチェンジ点を検索するための縮小画像とが共に記録された映像を再生するために、
前記縮小画像を表示する所定の時間幅を決定し、
決定された前記時間幅を互いに等しい分割時間幅を有した複数の区間に分割し、
分割された各々の区間における分割時間幅で表示する縮小画像枚数を、予め格納された情報に基づいて決定し、
決定された前記縮小画像枚数に一致する枚数の縮小画像を抽出可能に、前記各々の区間で前記縮小画像枚数が等しくなるように該各々の区間に記録された前記隣接フレーム間相違度に閾値を設定し、
設定された前記閾値以上のシーンチェンジ点に対応する前記縮小画像を前記映像に同期させて画面に再生表示する
ことを特徴とする映像再生方法をコンピュータに実行させるためのプログラム。
Priority Applications (5)
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JP2004062743A JP4536402B2 (ja) | 2004-03-05 | 2004-03-05 | 映像再生装置、映像再生方法及びその方法をコンピュータに実行させるためのプログラム |
EP05250964A EP1571672A1 (en) | 2004-03-05 | 2005-02-21 | Apparatus and method for reproducing image |
US11/070,426 US7373022B2 (en) | 2004-03-05 | 2005-03-02 | Apparatus and method for reproducing image |
KR1020050017633A KR101114102B1 (ko) | 2004-03-05 | 2005-03-03 | 영상 재생 장치, 영상 재생 방법 및 그 방법을 컴퓨터에 실행시키기 위한 프로그램 |
CNB2005100515808A CN100423572C (zh) | 2004-03-05 | 2005-03-07 | 影像再生装置及方法 |
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JP2005252850A JP2005252850A (ja) | 2005-09-15 |
JP4536402B2 true JP4536402B2 (ja) | 2010-09-01 |
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2004
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2005
- 2005-02-21 EP EP05250964A patent/EP1571672A1/en not_active Withdrawn
- 2005-03-02 US US11/070,426 patent/US7373022B2/en not_active Expired - Fee Related
- 2005-03-03 KR KR1020050017633A patent/KR101114102B1/ko not_active IP Right Cessation
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EP1571672A1 (en) | 2005-09-07 |
CN100423572C (zh) | 2008-10-01 |
JP2005252850A (ja) | 2005-09-15 |
KR20060043368A (ko) | 2006-05-15 |
US20050210388A1 (en) | 2005-09-22 |
US7373022B2 (en) | 2008-05-13 |
CN1665293A (zh) | 2005-09-07 |
KR101114102B1 (ko) | 2012-02-21 |
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