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AnyScene: Customized Image Synthesis with Composited Foreground

CVPR 2024 · Image generation › Text-to-image diffusion · approach: Layout-to-image control · 3 citations (OpenAlex)

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Proposes AnyScene, a ControlNet-based foreground injection framework with cross-attention layout control and Poisson-style foreground blending to generate diverse scenes around user-composited foregrounds, evaluated on a new 3,108-pair COCO-based benchmark.

Problem

Generating varied, harmonious scenes around user-specified composited foreground elements from text prompts, while avoiding foreground distortion, redundant regeneration of foreground elements, and loss of fine foreground detail.

Approach

A foreground injection module (ControlNet-style encoder trained with denoising, masked content, and edge-gradient losses) conditions a frozen Stable Diffusion; at inference, cross-attention maps of foreground words are masked to the foreground region, and the generated scene is blended with the original foreground details.

Key results

Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use AnyScene instead of Inpainting AnythingStable Diffusion v1.5 · AnyScene benchmarkFID: 16.52 -> 16.09Helped
Use AnyScene instead of Inpainting AnythingStable Diffusion v1.5 · AnyScene benchmarkCLIP-S: 14.72 -> 15.18Helped
Use AnyScene instead of Stable DiffusionStable Diffusion v1.5 · AnyScene benchmarkAesthetic: 6.02 -> 5.94Hurt
Add content loss to the denoising loss (ablation)AnyScene Foreground Injection Module · Customized scene synthesisforeground texture and color fidelityHelped
Add edge gradient loss to the denoising loss (ablation)AnyScene Foreground Injection Module · Customized scene synthesisforeground edge realismHelped
Apply foreground layout control to confine foreground semantics to the mask (ablation)AnyScene · Customized scene synthesisforeground distortion and redundant generationHelped
Use foreground blending instead of direct copy and paste (ablation)AnyScene · Customized scene synthesisvisual harmonyHelped

Limitations

Experimental setup

Datasets: FFHQ COCO OpenImages

Benchmarks: AnyScene benchmark (COCO-based, 3,108 pairs)

Metrics: FID CLIP-Score LAION Aesthetic

Baselines: Stable Diffusion Canny Edge ControlNet Inpaint Anything BLIP-Diffusion DreamBooth Custom Diffusion

Builds on: ControlNet Stable Diffusion Poisson image blending Prompt-to-Prompt attention control

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