app.py

import gradio as gr
import tensorflow as tf
from tensorflow.keras.preprocessing import image
import numpy as np
from PIL import Image
from keras import layers

# Load your trained Xception model
model = tf.keras.models.load_model("xception-head")

# Define the labels for your classification
class_labels = ['fresh', 'early decay', 'advanced decay','skeletonized']  # Replace with your actual class names

def classify_image(img):
    # Preprocess the image to fit the model input shape
    img = img.resize((299, 299))  # Xception takes 299x299 input size
    img = np.array(img) / 255.0   # Normalize the image
    img = np.expand_dims(img, axis=0)

    # Make prediction
    predictions = model.predict(img)
    predicted_class = np.argmax(predictions, axis=1)[0]
    confidence = np.max(predictions)
    return {class_labels[i]: float(predictions[0][i]) for i in range(len(class_labels))}, confidence

# Example images (local paths or URLs)
example_images = [
    'fresh.jp',
    'skeletonized.jpeg'  # Replace with actual local file paths or URLs
]

# Gradio interface
demo = gr.Interface(
    fn=classify_image,
    title="Human Decomposition Image Classification",
    description = "Predict the stage of decay (fresh, early decay, advanced decay, or skeletonized) of a head. This is a demo of one of our human decomposition image classification <a href=\"https://huggingface.co/icputrd/megyesi_decomposition_classification/blob/main/head/xception\">models</a>.",
    inputs=gr.Image(type="pil"),
    outputs=[gr.Label(num_top_classes=len(class_labels)), gr.Number()],
    examples=example_images,
    cache_examples=False,
    live=True,
    article = "Author: <a href=\"https://www.linkedin.com/in/anna-maria-nau/\">Anna-Maria Nau</a>"
)

if __name__ == "__main__":
    demo.launch()