3UG4501-1AA30 如果某人能在其曾祖母的一張舊照片上看到她眨眼微笑，會有什么感覺？毫無疑問，這會讓你感到害怕，但也會讓你懷舊嗎？根據傳統，可能會懷舊。
家譜公司MyHeritage最近推出了一項新功能，名為DeepNostalgia，允許用戶在家庭照片中設置人臉動畫。根據MyHeritage的數據，僅在最初的48小時內，就有超過100萬張照片被制作成動畫。他們的一個博客說：“用戶對此感到驚奇和感慨：有些人看到他們從未見過的祖先，有些是100多年前的祖先，他們行動、眨眼和微笑，有些人則感動得流下了眼淚，見證了他們逝去的親人在這么多年后的運動，只有靜止的照片來紀念他們。”
該網站在其常見問題解答中承認，人們可能會覺得這些視頻令人毛骨悚然。盡管如此，這項功能現在已經成為一種新的趨勢，很多人都在用它來見證失去已久的親人的感動。
根據MyHeritage的說法，他們從D-ID公司獲得了這項技術的許可，D-ID是一家公司，專門從事使用深度學習的視頻再現。
這家初創公司透露，他們沒有包括演講，以防止濫用這項技術，以創造深假的活著的人。盡管如此，他們已經制作了一個宣傳視頻，用演講和音頻讓亞伯拉罕?林肯復活。難道不應該被認為是假的嗎？Deepfake技術在傳播虛假新聞方面引起了廣泛的負面關注和關注。因此，他們的邊界需要適當地設定，以決定這是否是一種威脅。
Deepfake是怎么工作的？
Deepfake使用基于人工智能的技術來操縱圖像、音頻和視頻，使它們看起來真實可信。這項技術使用機器學習系統以最小的成本快速合成視頻和音頻。像生成對抗網絡（GANs）這樣的神經網絡被用來訓練具有真實畫面的數據集，使它們能夠理解一個人的真實聲音、行為和表情。使用兩個獨立的機器學習模型，一個用于對提供的數據集進行訓練并制作圖像，另一個用于監控這些制作并對合成進行分級。如今，深度假貨是由人工智能和非人工智能算法創建的，不涉及GANs。
Deepfake在很多方面都是一種威脅，比如利用Deepfake音頻敲詐錢財，詐騙者針對名人和政客傳播假新聞等。
早在2019年，議長南希?佩洛西的一段視頻就在社交媒體傳開來，她講話異常緩慢和高亢。這段視頻后來被認為是假的，因為它改變了原來的速度，使她的講話似乎含糊不清。這段視頻的目的是給她帶來負面影響，這不是第一次。有很多這樣的事件，被操縱的視頻四處傳播。
有什么好消息嗎？
Deepfake技術利用人工智能模擬人類行為來制作視頻，它們因傳播錯誤信息而臭名昭著。然而，有些領域實際上可以從深度偽造中獲益。電影業可以利用深度偽造技術編輯視頻，而無需重新拍攝，還可以重現在屏幕上去世的演員。培訓和教育視頻可以利用Deepfake來實現虛擬材料，而無需人工干預。深度假冒技術還有其他好處，因此如果在道德基礎上使用，可以產生積極影響。
例如，MyHeritage推出的新功能可能會吸引很多人，但除非它跨越了界限。如果它以任何方式制造了錯誤信息，它可能會受到嚴格的，因為已經有關于深假技術的法規，許多立法正計劃將非自愿的Deepfake定為犯罪行為。
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