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压缩率十万分之五照样清晰,TeleAI 正激励摄像头 2.0 卷“疯”视频压缩

压缩率十万分之五照样清晰,TeleAI 正激励摄像头 2.0 卷“疯”视频压缩

不少人手机里

都有个“什么都舍不得删”的相册

憋到 256 G 全红,束手无策

现在,一条朋友圈九宫格的文件大小

就能装下所有

还几乎不牺牲画质

这是什么三体人的“降维压缩”吗?

其实,针对监控摄像头视频

有一项技术

已经实现了这种极致压缩

今年 3 月,TeleAI 提出了正激励摄像头 1.0,利用正激励噪声帮助 AI 模型区分监控视频中的静态/动态画面,压静态、保动态,大幅减少传输数据量,将原始监控视频的体积压缩了 9 倍人眼还几乎看不出差别。正激励噪声的技术落地得到了初步验证。
近期,在中国电信集团 CTO、首席科学家、中国电信人工智能研究院(TeleAI)院长李学龙教授带领下,TeleAI 科研团队在这一技术路径上继续发力,推出正激励摄像头 2.0

这一版本将正激励噪声应用到前沿的神经网络视频压缩模型后,在固定场景的监控视频上成功实现了十万分之五的压缩率,是传统视频编码方案的 1%。

监控摄像头不眠不休地录制,产生天量数据,存储贵,调取难,但这其中绝大部分又是“无效静态画面”。那么正激励摄像头 2.0 实现极限压缩的秘诀是什么?

答案是:利用“噪音”来训练 AI

TeleAI 科研团队发现,监控场景中那些短暂出现的扰动(噪声),比如突然走过的行人、闪烁的灯光、飘过的树叶,恰恰是帮助 AI 理解场景的“正激励噪声”(Positive-incentive Noise,Pi/π-Noise)

正激励摄像头正是通过这些含有“良性噪音”的监控片段,对视频压缩模型进行针对性微调,让 AI 恍然大悟:“哦!原来这个场景里,墙壁、地面这些是几乎不变的‘背景板’,偶尔动来动去的才是需要重点记录的主角!”使编码场景中的静态元素所消耗的码率显著下降

AI 学会了“偷懒”用极少的码率去传输不变的背景,把宝贵的空间留给真正在变化的画面。于是,即使视频在传输过程中只占用超低码率,但画质依然清晰

超低码率,更优画质表现

动态较多的监控片段中,采用传统编码将 2K 视频压缩到码率不足 600 kbps 后,运动物体周围出现了明显的色块和彩色噪点,甚至在人走过后还有残影

正激励相机则有效避免了这些问题,灭火器箱上的文字和墙壁上的插孔始终清晰。

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静态画面更多的监控画面中,正激励相机可以将 2K 视频的传输码率压缩到 120 kbps,仅为原始码率的 1%画质依旧清晰。

传统编码在压缩到如此低的码率后,画面中明显可见大量彩色噪点,墙壁上还存在明显的色块,插座和文字的细节模糊不清。

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同等画质表现,占用更少带宽

更多针对静态场景视频的测试表明若要实现相同画质(以 PSNR 指标为参考),正激励摄像头所需的码率最低

神经网络视频压缩模型相对比:未经微调的 DCVC-FM 模型平均需要额外 20.5%的码率才能实现与正激励摄像头相同的传输质量;去除了显式动态建模的 DCVC-RT 模型则需要额外 112% 的传输码率

与传统的编码方案相对比:较先进的 H.265 编码需要 1.31 倍于正激励相机的码率,才能实现相同的画质。更传统的H.264 编码则需要多达 2.92 倍。

动态较多的监控片段中,正激励摄像头仍能实现明显的率失真性能提升。

神经网络视频压缩模型相对比未经微调的 DCVC-FM 模型平均需要 1.16 倍的码率水平;网络结构更简单的 DCVC-RT 模型则需要 1.79 倍的码率。

与传统的编码方案相对比:H.265 编码比正激励摄像头需额外增加71.5%码率;H.264 则需额外增加 289%码率

TeleAI 正激励摄像头以智传网(AI Flow)的信容律作为理论基础,充分利用模型智能来压缩数据量,从而满足下游应用“以计算换带宽”的需求

在通算一体的端边云分层网络中,云端节点具有充足的计算资源,但边缘节点的上行网络带宽常常是高度受限的。正激励摄像头高度可控的计算开销,解决了这一痛点。

其网络参数量与 DCVC-FM 相同,编码端仅有 640 万参数,解码端也只有 3850 万参数,相比动辄数十亿的大模型参数而言要少得多且在云端用少量数据微调后就能见效,完全可以规模化应用。

在智慧城市、公共安防、交通枢纽

正激励摄像头2.0

让海量监控数据

告别存储与带宽的焦虑

在智慧园区、家庭看护

让关键动态瞬间

始终清晰可辨

以智能压缩之力

看得更多,存得更精,传得更快

相关工作

C. Yuan, Z. Jia, J. Shao, X. Li*, "Enhancing Neural Video Compression of Static Scenes with Positive-Incentive Noise", arXiv:2603.06095.

X. Li, "Positive-incentive Noise", IEEE Transactions on Neural Networks and Learning Systems (TNNLS), 2024.

H. Zhang, S. Huang, Y. Guo, X. Li*, "Variational Positive-incentive Noise: How Noise Benefits Models", IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2025.

J. Shao and X. Li*, "AI Flow at the Network Edge", IEEE Network, vol. 40, no. 1, pp. 330-336, Jan. 2026, doi: 10.1109/MNET.2025.3541208. 

H. An, W. Hu, S. Huang, S. Huang, R. Li, Y. Liang, J. Shao, Y. Song, Z. Wang, C. Yuan, C. Zhang, H. Zhang, W. Zhuang, X. Li*. "AI Flow: Perspectives, Scenarios, and Approaches", Vicinagearth 3, 1 (2026).

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  1. CONNECT:[ UseTime:0.001176s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001890s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000701s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000623s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001413s ]
  6. SELECT * FROM `set` [ RunTime:0.000535s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001492s ]
  8. SELECT * FROM `article` WHERE `id` = 526946 LIMIT 1 [ RunTime:0.001042s ]
  9. UPDATE `article` SET `lasttime` = 1776162228 WHERE `id` = 526946 [ RunTime:0.025055s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000760s ]
  11. SELECT * FROM `article` WHERE `id` < 526946 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001297s ]
  12. SELECT * FROM `article` WHERE `id` > 526946 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001153s ]
  13. SELECT * FROM `article` WHERE `id` < 526946 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002030s ]
  14. SELECT * FROM `article` WHERE `id` < 526946 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001904s ]
  15. SELECT * FROM `article` WHERE `id` < 526946 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001592s ]
0.247085s