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仅 0.787M 参数!哈工深&清华等提出 TTTIR,刷新图像恢复 12 项 SOTA

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Merged summary

TL;DR - TTTIR reframes image restoration as test-time state evolution, dynamically adapting lightweight operators to each degraded image. With 0.787M parameters, it reports state-of-the-art results across 12 low-light enhancement, deraining, raindrop removal, and dehazing benchmarks.

  • A progressive state sequence generator builds coarse-to-fine restoration targets by combining spatial features with wavelet-based frequency states.
  • A state transition evolution module performs a single-step fast-weight update during inference, creating an instance-specific restoration operator.
  • On cross-dataset LOL-v2-Real evaluation, TTTIR reaches 30.78 dB PSNR and 0.9070 SSIM after training only on LOL-v1.
  • Its depthwise-convolution inner loop keeps memory and latency growth roughly linear with image resolution; the implementation is open source.

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仅 0.787M 参数!哈工深&清华等提出 TTTIR,刷新图像恢复 12 项 SOTA

WeChat: 极市平台 2026-08-24 doi:10.13140/rg.2.2.32985.48485
Public signals OpenAlex citations 0
Providers: Hugging Face · N/A OpenAlex · Citations 0 Publisher · N/A Semantic Scholar · N/A X · N/A Fetched 2026-09-25 14:28:20.772285 UTC

TL;DR - TTTIR reframes image restoration as test-time state evolution, dynamically adapting lightweight operators to each degraded image. With 0.787M parameters, it reports state-of-the-art results across 12 low-light enhancement, deraining, raindrop removal, and dehazing benchmarks.

  • A progressive state sequence generator builds coarse-to-fine restoration targets by combining spatial features with wavelet-based frequency states.
  • A state transition evolution module performs a single-step fast-weight update during inference, creating an instance-specific restoration operator.
  • On cross-dataset LOL-v2-Real evaluation, TTTIR reaches 30.78 dB PSNR and 0.9070 SSIM after training only on LOL-v1.
  • Its depthwise-convolution inner loop keeps memory and latency growth roughly linear with image resolution; the implementation is open source.
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