JP2020135029A - 検出装置、検出方法およびプログラム - Google Patents
検出装置、検出方法およびプログラム Download PDFInfo
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- Image Analysis (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
Description
11 正解メタデータ蓄積部
12 パラメータ蓄積部
13 学習データ作成部
14 学習部
15 検出用データ作成部
16 提供クレジット検出部
17 演算部
18 認識部
19 検出部
140 モデル
141 静止画用エンコーダ(静止画特徴量抽出部)
142 音響信号用エンコーダ(音響信号特徴量抽出部)
141a,141c,141e,141g,141i,141j,142a,142b,142d,142f,142h 畳み込み層
141b,141d,141f,141h,141j,142c,142e,142g,142i プーリング層
143 結合層
Claims (10)
- 対象映像から所望のシーンを検出する検出装置であって、
事前映像から取得された所定の文字または図形を含む静止画と所定の音を含まない音響信号と、若しくは、事前映像から取得された前記所定の文字または図形を含まない静止画と前記所定の音を含む音響信号と、を関連付けることで、前記対象映像から、前記所定の文字または図形、および、前記所定の音の少なくとも一方を含む領域である前記所望のシーンを検出する検出部、を備える検出装置。 - 請求項1に記載の検出装置において、
前記検出部は、前記対象映像において、前記所定の文字または図形を含む静止画が所定数以上連続する区間、または、前記所定の音が所定時間以上連続する区間を検出する、検出装置。 - 請求項2に記載の検出装置において、
前記検出部は、前記区間の開始時間および終了時間に関する情報を検出する、検出装置。 - 請求項1から3のいずれか一項に記載の検出装置において、
前記所定の文字または図形は、番組のスポンサーを判別し得る文字または図形であり、
前記所定の音は、前記スポンサーを判別し得る音であり、
前記検出部は、前記対象映像を構成する静止画において前記所定の文字または図形を含む静止画、および、前記対象映像において前記所定の音が出力される区間の少なくとも一方を、前記領域として検出する、検出装置。 - 請求項1から4のいずれか一項に記載の検出装置において、
前記検出部は、
前記静止画から静止画特徴量を抽出する静止画特徴量抽出部と、
前記音響信号から音響特徴量を抽出する音響信号特徴量抽出部と、を含み、
前記静止画特徴量抽出部および前記音響信号特徴量抽出部は、
前記事前映像から取得された前記所定の文字または図形を含む静止画から抽出された静止画特徴量と、前記所定の音を含まない音響信号から抽出された音響特徴量とから得られる評価値、若しくは、前記事前映像から取得された前記所定の文字または図形を含まない静止画から抽出された静止画特徴量と、前記所定の音を含む音響信号から得られた音響特徴量との評価値が高くなるように設計されている、検出装置。 - 請求項5に記載の検出装置において、
前記評価値は、前記静止画特徴量と前記音響特徴量の類似度であり、
前記類似度は、以下の式(1)に基づき算出される、検出装置。
- 請求項6に記載の検出装置において、
前記類似度は、前記静止画特徴量と前記音響特徴量とのいずれか一方を優先するように重み付けされる、検出装置。 - 対象映像からCMに含まれる提供クレジットに係るシーンを検出する検出装置であって、
事前映像から、CMを構成するフレーム若しくは音響信号以外に含まれる、提供クレジットに係る静止画と、提供クレジットに係る音響信号と、を関連付けることで、前記対象映像から前記提供クレジットに係るシーンを検出する検出部、を備える検出装置。 - 対象映像から所望のシーンを検出する検出装置において実行される検出方法であって、
事前映像から取得された所定の文字または図形を含む静止画と所定の音を含まない音響信号と、若しくは、事前映像から取得された前記所定の文字または図形を含まない静止画と前記所定の音を含む音響信号と、を関連付けることで、前記対象映像から、前記所定の文字または図形、および、前記所定の音の少なくとも一方を含む領域である前記所望のシーンを検出するステップ、を含む検出方法。 - コンピュータを、請求項1から8のいずれか一項に記載の検出装置として機能させるプログラム。
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JP2019023615A JP7208499B2 (ja) | 2019-02-13 | 2019-02-13 | 検出装置、検出方法およびプログラム |
PCT/JP2020/003670 WO2020166382A1 (ja) | 2019-02-13 | 2020-01-31 | 検出装置、検出方法およびプログラム |
US17/310,456 US11728914B2 (en) | 2019-02-13 | 2020-01-31 | Detection device, detection method, and program |
US18/182,360 US20230216598A1 (en) | 2019-02-13 | 2023-03-13 | Detection device |
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CN114820483A (zh) * | 2022-04-14 | 2022-07-29 | 北京联影智能影像技术研究院 | 图像检测方法、装置及计算机设备 |
CN115214505B (zh) * | 2022-06-29 | 2024-04-26 | 重庆长安汽车股份有限公司 | 车辆座舱音效的控制方法、装置、车辆及存储介质 |
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WO2008050718A1 (fr) * | 2006-10-26 | 2008-05-02 | Nec Corporation | Dispositif d'extraction d'informations de droit, procédé d'extraction d'informations de droit et programme |
JP2008108166A (ja) * | 2006-10-27 | 2008-05-08 | Matsushita Electric Ind Co Ltd | 楽曲選択装置、楽曲選択方法 |
WO2010058509A1 (ja) * | 2008-11-21 | 2010-05-27 | 日本電気株式会社 | 情報処理装置 |
JP2014022837A (ja) * | 2012-07-13 | 2014-02-03 | Nippon Hoso Kyokai <Nhk> | 学習装置、及びプログラム |
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AU2002318948C1 (en) * | 2001-08-02 | 2009-08-13 | Opentv, Inc. | Post production visual alterations |
US8805689B2 (en) * | 2008-04-11 | 2014-08-12 | The Nielsen Company (Us), Llc | Methods and apparatus to generate and use content-aware watermarks |
US20160073148A1 (en) * | 2014-09-09 | 2016-03-10 | Verance Corporation | Media customization based on environmental sensing |
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WO2008050718A1 (fr) * | 2006-10-26 | 2008-05-02 | Nec Corporation | Dispositif d'extraction d'informations de droit, procédé d'extraction d'informations de droit et programme |
JP2008108166A (ja) * | 2006-10-27 | 2008-05-08 | Matsushita Electric Ind Co Ltd | 楽曲選択装置、楽曲選択方法 |
WO2010058509A1 (ja) * | 2008-11-21 | 2010-05-27 | 日本電気株式会社 | 情報処理装置 |
JP2014022837A (ja) * | 2012-07-13 | 2014-02-03 | Nippon Hoso Kyokai <Nhk> | 学習装置、及びプログラム |
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JP7208499B2 (ja) | 2023-01-19 |
US20230216598A1 (en) | 2023-07-06 |
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