import numpy as np
from PIL import Image

IMG_SIZE = 224   # change if your model uses different size

def preprocess_image(image_path):
    img = Image.open(image_path).convert("RGB")
    img = img.resize((IMG_SIZE, IMG_SIZE))
    img = np.array(img) / 255.0
    img = np.expand_dims(img, axis=0)
    return img