arXiv:2502.11532cs.CV2025-02被引 2

让AI更精准理解风格指令,生成特定艺术风格的图像。

Control-CLIP: Decoupling Category and Style Guidance in CLIP for Specific-Domain Generation

  • 分离类别与风格的语义学习,提升对特定风格的理解能力。
  • 仅用少量数据微调,即可实现对扩散模型的精准风格控制。
  • 无需修改生成模型参数,可直接适配多种艺术风格任务。

文本到图像的扩散模型在生成高质量图像方面表现卓越,但其文本引导效果高度依赖于CLIP文本编码器。由于CLIP训练时更关注通用内容,难以捕捉如艺术风格等特定领域语义,导致对“一只皮卡丘风格的猫”这类提示词生成结果常偏离主题,仅呈现普通猫咪图像。为此,我们提出Control-CLIP,一种解耦类别与风格引导的新型CLIP微调框架,通过在极小数据上设计特殊微调任务及改进交叉注意力机制,使CLIP能以互补方式学习类别与风格含义。该方法可精确引导扩散模型生成特定领域内容,且不改变原扩散模型参数,保持原有生成性能与多样性。跨多个领域的实验验证了方法的有效性,尤其展现出在生成多种特定风格内容时强大的即插即用能力。

原文摘要 · Abstract (English)

Text-to-image diffusion models have shown remarkable capabilities of generating high-quality images closely aligned with textual inputs. However, the effectiveness of text guidance heavily relies on the CLIP text encoder, which is trained to pay more attention to general content but struggles to capture semantics in specific domains like styles. As a result, generation models tend to fail on prompts like "a photo of a cat in Pokemon style" in terms of simply producing images depicting "a photo of a cat". To fill this gap, we propose Control-CLIP, a novel decoupled CLIP fine-tuning framework that enables the CLIP model to learn the meaning of category and style in a complement manner. With specially designed fine-tuning tasks on minimal data and a modified cross-attention mechanism, Control-CLIP can precisely guide the diffusion model to a specific domain. Moreover, the parameters of the diffusion model remain unchanged at all, preserving the original generation performance and diversity. Experiments across multiple domains confirm the effectiveness of our approach, particularly highlighting its robust plug-and-play capability in generating content with various specific styles.

图像生成风格控制CLIP扩散模型

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