app.py

# %%
import gradio as gr
import numpy as np
from tensorflow.keras.models import load_model
from tensorflow.keras.applications.resnet50 import preprocess_input
from PIL import Image

# Load the pre-trained Keras model
model = load_model('pokemon-model.keras')

# Define the class labels
class_labels = ['Bulbasaur', 'Glumanda', 'Pikachu']  # Ensure this matches the training order

# Define the image processing and prediction function
def predict_image(img):
    # Ensure the image is a PIL image
    if not isinstance(img, Image.Image):
        img = Image.fromarray(img)
    
    # Resize the image to the size expected by ResNet50
    img = img.resize((224, 224))
    
    # Convert the image to a numpy array
    img_array = np.array(img)
    
    # Convert the image array to a batch of size 1 (1, 224, 224, 3)
    img_array = np.expand_dims(img_array, axis=0)
    
    # Preprocess the image array using ResNet50's preprocessing
    img_array = preprocess_input(img_array)

    # Make prediction
    prediction = model.predict(img_array)
    
    # Get the label with the highest probability
    predicted_index = int(np.argmax(prediction))
    predicted_label = class_labels[predicted_index]
    
    return predicted_label

# Create the Gradio interface with multiple examples
iface = gr.Interface(
    fn=predict_image, 
    inputs=gr.Image(image_mode='RGB'),
    outputs='label',
    examples=[['00000015.jpg'], ['20.png'], ['glumanda.jpg'], ['j67j7.png'], ['pikachu.jpg']],
    title="Pokémon Classification",
    description="Upload an image of a Pokémon to classify it using the pre-trained model."
)

# Launch the interface inline in the Jupyter Notebook
iface.launch(inline=True)


# %%
# Print model summary to verify input shape
print(model.summary())