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English(EN) Beyond Token-Level Cross-Entropy: Fr\'echet Distributional Post-Training for Autoregressive Image Generation

新的 FD-loss 技术提高了自回归图像生成质量

研究人员开发了一种新的自回归图像生成器后训练技术,称为 Fréchet 分布式后训练(FD-loss)。该方法解决了 token 级交叉熵预训练与生成图像的分布质量评估之间的不匹配问题。通过使用表示空间的 Fréchet 距离作为唯一目标,FD-loss 能够适应预训练的离散生成器。这种方法显示出显著的改进,在各种配置和数据集上,FID 和 FD_r6 分数平均分别降低了 41.4% 和 52.0%。 AI

影响 引入了一种新颖的后训练方法,通过解决自回归模型中的目标不匹配问题,显著提高了生成图像的质量。

排序理由 详细介绍图像生成新方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.CV 阅读 →

AI 生成摘要 · Google Gemini · 来自 1 个来源。 我们如何撰写摘要 →

新的 FD-loss 技术提高了自回归图像生成质量

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详细介绍图像生成新方法的学术论文。[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) · Jinhua Zhang, Yisong Lin, Wei Long, Shuhang Gu ·

    超越 Token 级交叉熵:用于自回归图像生成的 Fr\'echet 分布式训练后方法

    arXiv:2608.00562v1 Announce Type: new Abstract: Autoregressive image generators are commonly pretrained with token-level cross-entropy under teacher forcing, yet evaluated by the distributional quality of decoded images. This creates an objective mismatch, because categorical err…