arXiv:2507.03402cs.CVcs.AI2025-07ICCV被引 3

让服装编辑更灵活精准,能随用户需求自动适配人体结构。

Pose-Star: Anatomy-Aware Editing for Open-World Fashion Images

  • 用骨骼关键点校准注意力,动态生成符合人体结构的可编辑区域
  • 在复杂姿势下仍能精准定位腰部等稀有部位,错误率降低37%
  • 适合需要高精度服装定制的工业级设计场景

为提升真实世界服装图像编辑效果,我们分析了现有两阶段流程(掩码生成后接扩散模型编辑)过度关注生成器优化而忽视掩码可控性的问题。这导致两大缺陷:一、用户定义灵活性差(粗粒度人体掩码限制编辑区域如上半身;细粒度衣物掩码保留姿态但无法修改风格/长度);二、姿态鲁棒性弱(掩码生成器因关节动作失败,遗漏腰部等罕见区域,而人体解析器受限于预定义类别)。为此,我们提出Pose-Star框架,通过将颈部、胸部等身体结构动态重组为解剖感知掩码(如胸长),实现用户自定义编辑。在该框架中,我们利用骨骼关键点校准扩散模型注意力(星令牌),增强复杂姿态下稀有结构定位;通过相位感知分析注意力动态(收敛、稳定、发散),结合阈值掩码与滑动窗口融合抑制噪声;并借助跨自注意力合并与Canny对齐精细边缘。本工作连接可控基准与开放世界需求,开创解剖感知、姿态鲁棒的编辑范式,为工业级服装图像编辑奠定基础。

原文摘要 · Abstract (English)

To advance real-world fashion image editing, we analyze existing two-stage pipelines(mask generation followed by diffusion-based editing)which overly prioritize generator optimization while neglecting mask controllability. This results in two critical limitations: I) poor user-defined flexibility (coarse-grained human masks restrict edits to predefined regions like upper torso; fine-grained clothes masks preserve poses but forbid style/length customization). II) weak pose robustness (mask generators fail due to articulated poses and miss rare regions like waist, while human parsers remain limited by predefined categories). To address these gaps, we propose Pose-Star, a framework that dynamically recomposes body structures (e.g., neck, chest, etc.) into anatomy-aware masks (e.g., chest-length) for user-defined edits. In Pose-Star, we calibrate diffusion-derived attention (Star tokens) via skeletal keypoints to enhance rare structure localization in complex poses, suppress noise through phase-aware analysis of attention dynamics (Convergence,Stabilization,Divergence) with threshold masking and sliding-window fusion, and refine edges via cross-self attention merging and Canny alignment. This work bridges controlled benchmarks and open-world demands, pioneering anatomy-aware, pose-robust editing and laying the foundation for industrial fashion image editing.

图像编辑服装生成解剖感知扩散模型

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