JP2005252850A - 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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Abstract
【解決手段】 シーンチェンジ点での隣接フレーム間相違度Dとこのシーンチェンジ点を検索するための縮小画像Thと共に記録された映像を再生表示する表示手段1と、この表示手段1が有する画面のフレーム長に対応させて縮小画像Thを表示する時間幅Tを決定する時間幅決定手段2と、この時間幅Tで表示する縮小画像枚数を決定する枚数決定手段3と、この枚数決定手段3により決定された縮小画像枚数に一致する枚数の縮小画像Thを抽出可能にこの時間幅Tに記録された隣接フレーム間相違度Dに閾値を設定する閾値設定手段4と、この閾値設定手段4により設定された閾値以上のシーンチェンジ点に対応する縮小画像Thを映像に同期させて画面に再生表示するように表示手段1の動作を制御する制御手段6とを備える。
【選択図】 図1
Description
Claims (7)
- シーンチェンジ点での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、
この表示手段が有する画面のフレーム長に対応させて前記縮小画像を表示する時間幅を決定する時間幅決定手段と、
この時間幅決定手段により決定された前記時間幅で表示する縮小画像枚数を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。
- 前記時間幅決定手段により決定された前記時間幅を分割する時間幅分割手段を更に備え、
前記枚数決定手段は、前記時間幅分割手段により分割された前記時間幅で表示する縮小画像枚数を決定し、
前記閾値設定手段は、前記時間幅分割手段により分割された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
ことを特徴とする請求項1に記載の映像再生装置。 - シーンチェンジ点での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共に記録された映像を再生する方法であって、
前記映像を再生表示する画面のフレーム長に対応させて前記縮小画像を表示する時間幅を決定し、
決定された前記時間幅で表示する縮小画像枚数を決定し、
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4に記載の映像再生方法。 - 前記映像を再生表示する画面のフレーム長に対応させて前記縮小画像を表示する時間幅を決定した後、
決定された前記時間幅を分割し、
分割された前記時間幅で表示する縮小画像枚数を決定する
ことを特徴とする請求項4に記載の映像再生方法。 - シーンチェンジ点での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共に記録された映像を再生するために、
前記映像を再生表示する画面のフレーム長に対応させて前記縮小画像を表示する時間幅を決定し、
決定された前記時間幅で表示する縮小画像枚数を決定し、
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。
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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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JP2001257968A (ja) | 2000-03-14 | 2001-09-21 | Sony Corp | 画像記録再生装置および方法、並びに記録媒体 |
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JP2002027411A (ja) | 2000-07-13 | 2002-01-25 | Sony Corp | 映像信号記録装置および方法、映像信号再生装置および方法、並びに記録媒体 |
KR20020008040A (ko) * | 2000-07-18 | 2002-01-29 | 마츠시타 덴끼 산교 가부시키가이샤 | 표시 장치, 표시 방법 및 표시 제어 프로그램을 기록한기록 매체 |
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2004
- 2004-03-05 JP JP2004062743A patent/JP4536402B2/ja not_active Expired - Fee Related
-
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
- 2005-03-07 CN CNB2005100515808A patent/CN100423572C/zh not_active Expired - Fee Related
Cited By (6)
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JP2009094586A (ja) * | 2007-10-03 | 2009-04-30 | Sony Corp | 映像再生装置、映像再生方法、および、プログラム |
JP2011066483A (ja) * | 2009-09-15 | 2011-03-31 | Ricoh Co Ltd | 動画サムネイル作成装置、方法及びプログラム |
JP2012124789A (ja) * | 2010-12-09 | 2012-06-28 | Canon Marketing Japan Inc | 情報処理装置、及びその制御方法、プログラム |
JP2012165240A (ja) * | 2011-02-08 | 2012-08-30 | Sony Corp | 動画像処理装置、動画像処理方法、及びプログラム |
JP2013016946A (ja) * | 2011-07-01 | 2013-01-24 | Mitsubishi Electric Corp | 映像表示装置及び映像表示方法 |
JP2013198012A (ja) * | 2012-03-21 | 2013-09-30 | Casio Comput Co Ltd | 情報処理装置、静止画フレーム抽出方法及びプログラム |
Also Published As
Publication number | Publication date |
---|---|
KR101114102B1 (ko) | 2012-02-21 |
EP1571672A1 (en) | 2005-09-07 |
US7373022B2 (en) | 2008-05-13 |
CN100423572C (zh) | 2008-10-01 |
US20050210388A1 (en) | 2005-09-22 |
JP4536402B2 (ja) | 2010-09-01 |
KR20060043368A (ko) | 2006-05-15 |
CN1665293A (zh) | 2005-09-07 |
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