app.py

import gradio as gr
from PIL import Image
import numpy as np
import cv2

def upscale(image):
    img = np.array(image)
    height, width = img.shape[:2]
    upscaled = cv2.resize(img, (width * 4, height * 4), interpolation=cv2.INTER_CUBIC)
    return Image.fromarray(upscaled)

demo = gr.Interface(fn=upscale,
                    inputs=gr.Image(type="pil"),
                    outputs=gr.Image(type="pil"),
                    title="HD Image Upscaler (Lite Version)",
                    description="Upscale gambar 4x pakai resize biasa. Ringan, no watermark, cocok buat HP kentang.")
demo.launch()