JP7467615B2 - ブロックチェーンを使用したフェイクビデオ検出 - Google Patents
ブロックチェーンを使用したフェイクビデオ検出 Download PDFInfo
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- JP7467615B2 JP7467615B2 JP2022521716A JP2022521716A JP7467615B2 JP 7467615 B2 JP7467615 B2 JP 7467615B2 JP 2022521716 A JP2022521716 A JP 2022521716A JP 2022521716 A JP2022521716 A JP 2022521716A JP 7467615 B2 JP7467615 B2 JP 7467615B2
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Description
Claims (8)
- システムであって、
少なくとも1つのプロセッサであって、前記プロセッサに、
ビデオ情報を記憶する少なくとも1つのブロックチェーンにアクセスすることと、
前記ブロックチェーンに追加しようとする第1のビデオが、前記ブロックチェーンで表される元のビデオの改変されたコピーであるかどうかを判断することと、
前記ブロックチェーンに追加しようとする前記第1のビデオが前記元のビデオの改変されたコピーであると判断したことに応えて、前記第1のビデオに関連する情報を前記ブロックチェーンに追加することを拒否するか、または前記第1のビデオが前記元のビデオから改変されている旨の表示とともに前記第1のビデオを前記ブロックチェーンに追加することと、
を実行させることが可能な命令を格納した少なくとも1つのコンピュータストレージにアクセスするように構成された前記少なくとも1つのプロセッサ
を備え、
前記判断することは、
前記第1のビデオのフレームのシーケンスに関連する音声を受信するように構成され、スペクトルを出力するように構成された少なくとも1つの周波数変換部と、
前記スペクトルを受信し、前記音声を表す音声特徴ベクトルを出力するように構成された少なくとも1つのニューラルネットワークと、
前記音声特徴ベクトルを受信し、それに基づいて、前記音声が元の音声から改変されていることに関する表示を出力するように構成された少なくとも1つの分析モジュールであって、自然な人間の発話特性を学習するようにトレーニングされた少なくとも1つの分析モジュールと
にアクセスすることを備える、前記システム。 - 前記命令が、前記プロセッサに、
前記ブロックチェーンに追加しようとする前記第1のビデオが前記元のビデオの改変されたコピーであると判断したことに応えて、前記第1のビデオに関連する情報を前記ブロックチェーンに追加することを拒否すること
を実行させることが可能である、請求項1に記載のシステム。 - 前記命令が、前記プロセッサに、
前記ブロックチェーンに追加しようとする前記第1のビデオが前記元のビデオの改変されたコピーであると判断したことに応えて、前記第1のビデオが前記元のビデオから改変されている旨の表示とともに前記第1のビデオを前記ブロックチェーンに追加すること
を実行させることが可能である、請求項1に記載のシステム。 - 前記命令が、前記プロセッサに、
前記第1のビデオの顔の、または前記第1のビデオの前記顔と背景との間の、または両方の少なくとも1つのテクスチャの不規則性が前記第1のビデオに存在するかどうかを判断すること、及び
前記テクスチャの不規則性に基づいて、前記第1のビデオが少なくとも部分的に前記元のビデオから改変されているかどうかを判断すること
によって、前記第1のビデオが少なくとも部分的に前記元のビデオの改変されたコピーであるかどうかを判断すること
を実行させることが可能である、請求項1に記載のシステム。 - 前記命令が、前記プロセッサに、
前記第1のビデオの少なくとも一部分を表すスペクトルを出力するための少なくとも1つの離散フーリエ変換(DFT)を使用すること、及び
前記スペクトルを使用して、前記第1のビデオが少なくとも部分的に前記元のビデオから改変されているかどうかを判断すること
によって、前記第1のビデオが少なくとも部分的に前記元のビデオの改変されたコピーであるかどうかを判断すること
を実行させることが可能である、請求項1に記載のシステム。 - 前記命令が、前記プロセッサに、
前記スペクトルの少なくとも1つの不規則性を検出することであって、前記スペクトルの前記不規則性が、前記元のビデオの対応する領域よりも明るい明るさの少なくとも1つの領域を含む、前記検出することと、
前記スペクトルの前記不規則性を検出したことに応えて、前記第1のビデオが改変されていると判断すること
を実行させることが可能である、請求項5に記載のシステム。 - 前記命令が、前記プロセッサに、
前記第1のビデオのフレームのシーケンスを受信することと、
前記フレームのシーケンスに示されている人の顔の動きが自然な動きを示すかどうかを表す特徴ベクトルを出力することと、
前記特徴ベクトルに基づいて、前記フレームのシーケンスが前記元のビデオから改変されていると判断することと
を実行させることが可能である、請求項1に記載のシステム。 - 前記命令が、前記プロセッサに、
前記第1のビデオに対してビデオハッシュを実行することと、
前記第1のビデオに対する前記ビデオハッシュを前記ブロックチェーンで表される前記元のビデオのビデオハッシュと比較することと、
前記第1のビデオに対する前記ビデオハッシュを前記元のビデオの前記ビデオハッシュと比較したことに応えて、前記第1のビデオが前記元のビデオの改変されたコピーであるのかどうかを判断することと、
を実行させることが可能である、請求項1に記載のシステム。
Applications Claiming Priority (3)
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US16/597,698 | 2019-10-09 | ||
US16/597,698 US11039205B2 (en) | 2019-10-09 | 2019-10-09 | Fake video detection using block chain |
PCT/US2020/053523 WO2021071721A1 (en) | 2019-10-09 | 2020-09-30 | Fake video detection using block chain |
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JP2022551661A JP2022551661A (ja) | 2022-12-12 |
JP7467615B2 true JP7467615B2 (ja) | 2024-04-15 |
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US (3) | US11039205B2 (ja) |
EP (2) | EP4340377A3 (ja) |
JP (1) | JP7467615B2 (ja) |
CN (1) | CN114731457B (ja) |
WO (1) | WO2021071721A1 (ja) |
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US11039205B2 (en) * | 2019-10-09 | 2021-06-15 | Sony Interactive Entertainment Inc. | Fake video detection using block chain |
US20210209203A1 (en) * | 2020-01-06 | 2021-07-08 | Accenture Global Solutions Limited | Methods and systems for protecting digital content against artificial intelligence-based unauthorized manipulation of the digital content |
CN113938702A (zh) * | 2020-07-13 | 2022-01-14 | 富泰华工业(深圳)有限公司 | 基于区块链系统的多媒体数据流防篡改装置、方法及介质 |
CN112200198B (zh) * | 2020-07-31 | 2023-11-24 | 星宸科技股份有限公司 | 目标数据特征提取方法、装置及存储介质 |
US11733823B2 (en) * | 2021-05-19 | 2023-08-22 | Microsoft Technology Licensing, Llc | Synthetic media detection and management of trust notifications thereof |
US11989266B2 (en) * | 2021-06-15 | 2024-05-21 | Richard Banh | Method for authenticating digital content items with blockchain and writing digital content items data to blockchain |
KR20240132874A (ko) * | 2023-02-27 | 2024-09-04 | 삼성전자주식회사 | 전자 장치 및 전자 장치에서 nft 표절 방지 방법 |
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