JP7199756B2 - ビデオメタデータと台本データを活用したビデオコンテンツ統合メタデータ自動生成方法およびシステム - Google Patents
ビデオメタデータと台本データを活用したビデオコンテンツ統合メタデータ自動生成方法およびシステム Download PDFInfo
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Description
Claims (7)
- 台本処理部と互いに連結するためにビデオの入力を受けてビデオのショットおよびシーンを認識して整列する前処理過程を実行し、ビデオコンテンツを分析するビデオ処理部、
ビデオ処理部と互いに連結するために台本の入力を受けて台本およびシーンを認識して整列する前処理過程を実行し、台本コンテンツを分析する台本処理部、
前記ビデオ処理部で生成されたアノテーションメタデータを格納するアノテーション知識ベース、および
前記台本処理部で生成されたナラティブメタデータを格納するナラティブ知識ベース
を含み、
アノテーション知識ベースとナラティブ知識ベースは、
エピソード、シーケンス、シーン、およびショットを共有することで相互補完的に使用してメタデータを自動で生成する、
メタデータ自動生成システムであって、
台本処理部は、
半構造化された台本書式を分析し、台本から人物、発話、説明文、場所、時間を区分するために多様な形態の台本構造様式と入力された台本構造とを比較して適した台本様式を選択し、構造化(Structured)し、該当の様式が入力された台本によるものであるかを検証し、誤入力された様式が構造化結果として変形した場合には補正をし、台本の構造から台本のシーンを検出して情報をメタデータの階層構造として指定する、
メタデータ自動生成システム。 - ビデオ処理部は、
入力されたビデオの毎フレーム間の類似度を測定し、類似度が予め定められた基準以上に急変するフレーム前後でビデオのショットを検出して区分し、区分されたビデオのすべてのショットで時空間が変わる時点を認識してビデオのシーンを検出する、
請求項1に記載のメタデータ自動生成システム。 - ビデオと台本のシーンの順序を一致させるために、ビデオのあるシーンの発話を音声認識技術によって字幕化して台本の発話と文字列比較アルゴリズムを利用して1次整列した後、ダイナミックプログラミング技法を利用してビデオと台本のシーンの順序を整列する、
請求項1に記載のメタデータ自動生成システム。 - 台本をビデオのショット単位まで一致させるために、ビデオのシーン内に属するショット内の時間および音声テキスト情報を台本コンテンツ分析過程に伝達して処理する、
請求項3に記載のメタデータ自動生成システム。 - 台本処理部と互いに連結するためにビデオの入力を受けてビデオのショットおよびシーンを認識する段階、
ビデオ処理部と互いに連結するために台本の入力を受けて台本およびシーンを認識する段階、
認識されたビデオシーンおよび台本シーンを整列する前処理過程を実行する段階、
前処理されたビデオコンテンツを分析する段階、
前処理された台本コンテンツを分析する段階、
分析されたビデオコンテンツから生成されたアノテーションメタデータをアノテーション知識ベースに格納する段階、および
分析された台本コンテンツから生成されたナラティブメタデータをナラティブ知識ベースに格納する段階
を含み、
アノテーション知識ベースとナラティブ知識ベースは、エピソード、シーケンス、シーン、およびショットを共有することで相互補完的に使用してメタデータを自動で生成する、
メタデータ自動生成方法であって、
ビデオ処理部と互いに連結するために台本の入力を受けて台本およびシーンを認識する段階は、
台本ショット抽出段階で、前処理段階で構造化された台本の階層構造と付加情報を入力としてシーン単位で分けられた台本と、ビデオとしてのショット、シーン情報とビデオの音声字幕の入力を受け、あるビデオ内の発話と台本と比較して整列して台本をショット単位で分け、
前処理された台本コンテンツを分析する段階は、
台本をビデオのようにショット単位で分けた後、登場人物、空間、オブジェクト分析により、ビデオ内に登場する登場人物、空間、オブジェクトをすべてそれぞれクラスタリング(Clustering)して登場する人物、空間、オブジェクトのカテゴリを把握し、登場人物の場合は、登場人物と登場人物があるショットにともに登場した回数をカウントして人物との関係とオブジェクトの名称を認識した後、登場人物、背景、空間をすべてセマンティック・ウェブとエンティティで連結させ、
ダイアログ分析段階では、すべての発話を分析して形態素(POS)、個体名(Named-Entity)、感情(Emotion)、目的(Intent)、言行(SpeechAct)、トーン(Tone)、敬称(Honorific)を認識し、すべての情報を各発話のメタデータとして格納し、
プロット分析段階で、分析された発話の言行と発話を分析して対話を事件単位で分け、事件間の関係を分析して台本の起承転結を把握してナラティブメタデータとして格納する、
メタデータ自動生成方法。 - 台本処理部と互いに連結するためにビデオの入力を受けてビデオのショットおよびシーンを認識する段階は、
人物およびオブジェクト認識により、あるショット内のショットの最初、最後、およびあるショット内でフレーム間の類似度が急変する1つ以上のフレームをキーフレームとして指定し、キーフレームイメージから人物の外形、顔とオブジェクトの外形、およびカテゴリを認識してメタデータとして格納する、
請求項5に記載のメタデータ自動生成方法。 - 前処理されたビデオコンテンツを分析する段階は、
人物とオブジェクトが認識されれば、フレームキャプショニング段階で、人物と人物、人物とオブジェクト、オブジェクトとオブジェクトのすべての相対位置を計算して場面を記述し、
場面が記述されれば、ショットキャプショニング段階で、人物のポーズと相対位置を利用して行動を認識し、
シーンキャプショニング段階で、認識された行動のパターンに基づいて人物の活動を区分してストーリー中心的構造に割り当てて格納し、多様な情報をビデオとして抽出してアノテーションメタデータとして格納する、
請求項6に記載のメタデータ自動生成方法。
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| KR1020180124863A KR101994592B1 (ko) | 2018-10-19 | 2018-10-19 | 비디오 콘텐츠의 메타데이터 자동 생성 방법 및 시스템 |
| KR10-2018-0124863 | 2018-10-19 | ||
| PCT/KR2018/016854 WO2020080606A1 (ko) | 2018-10-19 | 2018-12-28 | 비디오 메타데이터와 스크립트 데이터를 활용한 비디오 컨텐츠 통합 메타데이터 자동 생성 방법 및 시스템 |
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| US10733230B2 (en) | 2020-08-04 |
| KR101994592B1 (ko) | 2019-06-28 |
| JP2022505092A (ja) | 2022-01-14 |
| US20200125600A1 (en) | 2020-04-23 |
| WO2020080606A1 (ko) | 2020-04-23 |
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