# GPT Image Hub prompt

## Agrandissement et Amélioration Ultra Détaillée
- URL: https://www.gptimagehub.com/fr/library/ultra-detail-character-upscale-enhancement
- Generator URL: https://www.gptimagehub.com/fr/generate?promptId=oss-ym-mm-2231
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Ffr%2Flibrary%2Fultra-detail-character-upscale-enhancement
- Category: Portrait et photographie
- Model: nanobanana2
- Aspect ratio: 1:1
- Style: photorealistic
- Tags: upscale, image-par-image, amelioration, fidelite-du-personnage, haute-resolution, portrait, restauration-de-details
- Updated: 2026-10-27T18:36:08.098Z
- Created: 2026-10-27T18:36:08.098Z

Prompt image par image pour upscaler des photos tout en préservant strictement l'identité, la composition et le style. Idéal pour netteté et texture de peau.

### Full prompt
```text
Upscale the reference photo to ultra-high resolution, strictly preserving the subject's identity, facial features, proportions, expression, clothing, and original composition. Sharpen and refine fine details including skin pores and texture, eye clarity, hair strands, fabric weave, and background elements. Maintain the exact original lighting, color grading, shadows, and artistic style with crisp, natural edges and no AI artifacts or distortion.
```