Z-Image-Turbo Photorealistic Lighting LoRA (Flow-DPO)

This is a specialized LoRA adapter for Tongyi-MAI/Z-Image-Turbo, finetuned using Flow-DPO (Direct Preference Optimization for Flow Matching) to significantly enhance photorealistic lighting, cinematic shadows, and overall image quality.

By utilizing Flow-DPO on perfectly spatially-aligned image pairs, this LoRA fixes the common "flat," "washed-out," or "plastic" artifacts often found in ultra-fast distilled models, delivering stunning, physically accurate lighting in just 8 inference steps.

⚠️ Limitations

• Not an Image-to-Image Restorer: This LoRA changes the prior distribution of the Text-to-Image generation. It is designed to generate better original images from text prompts, not to be used as an img2img filter to fix user-uploaded bad photos (unless combined with RF-Inversion techniques, which are highly unstable for 8-step models).

• Color Saturation: Pushing the LoRA scale too high (e.g., > 1.5) might result in over-sharpened or overly saturated images due to the nature of DPO margin maximization. Keep the scale around 0.6 - 1.0 for the most photorealistic results.