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Image Restoration and Upscale Prompt for Nano Banana Pro
结构化 JSON 提示，将磨损图片修复并放大至 4K，保留身份特征。
{ "task": "image_restoration_upscale", "positive_prompt": "Restore and enhance the provided image. Preserve original identity, facial structure, proportions and composition. High-fidelity photo restoration, ultra-realistic, natural skin texture, accurate details, professional photographic look. 4K output, sharp but natural focus, modern cinematic lighting, subtle volumetric lighting, professional color grading, depth of field, HDR. Shot on Arri Alexa, raw photo aesthetic, masterpiece.", "negative_prompt": "Creative reinterpretation, style change, identity alteration, face reshaping, exaggerated features, cartoonish, painting, illustration, over-sharpening, plastic skin, blur, noise, film grain, jpeg artifacts, distortion, bad anatomy, overexposed, underexposed, washed out colors.", "parameters": { "steps": 30, "cfg_scale": 6.5, "denoising_strength": 0.45, "upscaler": "4x_NMKD_Siax_200k", "target_resolution": "4K" } }