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English(EN) SPARK: Input-Conditioned Sparse Activation Modulation for Frozen DiT-based Super-Resolution

SPARK方法增强了用于图像超分辨率的冻结DiT模型

研究人员开发了SPARK,一种使用冻结的Diffusion Transformer (DiT) 模型增强图像超分辨率的新颖方法。SPARK通过在线激活排序程序识别并调制少量主导内部通道,以提高保真度和感知质量。这种轻量级方法通过预测有界逐通道仿射变换来实现,仅需优化一个基于低分辨率VAE潜在变量的条件预测器,同时保持主要的SR骨干网络和VAE冻结。在多个数据集上的多个基于DiT的SR模型上进行的实验表明,无需对整个网络进行微调即可获得一致的性能提升。 AI

影响 这项研究提供了一种更有效的方法来改进图像超分辨率,通过适配冻结模型,可能降低高质量图像生成的计算成本。

排序理由 该集群描述了一篇关于使用现有AI模型进行图像超分辨率的新颖方法的新研究论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.CV 阅读 →

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SPARK方法增强了用于图像超分辨率的冻结DiT模型

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该集群描述了一篇关于使用现有AI模型进行图像超分辨率的新颖方法的新研究论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.CV TIER_1 English(EN) · Federico Putamorsi, Leonardo Zini, Marcella Cornia, Lorenzo Baraldi ·

    SPARK:基于冻结DiT的超分辨率的输入条件稀疏激活调制

    arXiv:2609.03813v1 Announce Type: new Abstract: Real-world image super-resolution (SR) increasingly relies on Diffusion Transformer (DiT) backbones, whose internal activations can be dominated by a small number of massive channels. Yet improving perceptual quality in these models…