[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"aihot-art-100884":3},{"itemId":4,"vertical":5,"category":6,"source":7,"score":8,"title":9,"summary":10,"analysis":11,"url":12,"coverUrl":13,"direction":13,"marketSignal":13,"publishedAt":14},"100884","ai","产品发布\u002F更新","IT之家",57,"英伟达推出SVD服务，识别AI生成视频准确率最高达92%","英伟达推出SVD服务，通过逐帧分析视频，识别AI生成视频的准确率最高达92%。","英伟达推出合成视频检测器（SVD）服务，可识别AI生成视频，准确率最高达92%。\n· SVD服务整合到英伟达推理微服务（NIM）中，通过逐帧检查视频来分辨是否由AI生成。\n· 技术上将视频拆分为504x504的裁剪帧，交由Meta的DINOv2和DINOv3视觉变换器模型处理，每帧给出0到1的伪造分数。\n· 检测未经压缩视频准确率92%，15%压缩率下87%，50%压缩率下仍达82%。\n· 处理速度极快，在RTX GPU上处理1080p视频仅需22毫秒。\n看点：英伟达SVD为AI视频内容鉴别提供了高效工具，有助于打击深度伪造和虚假信息。","https:\u002F\u002Fwww.ithome.com\u002F0\u002F980\u002F086.htm",null,"2026-07-22 15:50:33"]