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---
title: CCTV Frame Restoration (Diffusion)
emoji: 🎥
colorFrom: blue
colorTo: purple
sdk: gradio
app_file: app.py
pinned: false
---
# CCTV Frame Restoration with Diffusion Model
This demo is an AI-assisted development using **Claude Sonnet 5**.
Restores low-resolution, noisy, low-light CCTV/security camera frames using the pretrained **Stable Diffusion x4 Upscaler** (`stabilityai/stable-diffusion-x4-upscaler`).
Upload a low-quality frame, adjust the prompt/steps if you like, and get a 4x upscaled, denoised, sharpened result.
**Note:** Input images are resized so their longest side is ≤128px before upscaling, matching the resolution the model was trained on. For CPU inference, it may take 1-3 minutes per image.
**UI snapshot**
![alt text](app_ui.png)