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Delete old_app.py
Browse files- old_app.py +0 -126
old_app.py
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import gradio as gr
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import tensorflow as tf
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import numpy as np
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from scipy.spatial.distance import cosine
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import cv2
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import os
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from tensorflow.keras.applications import resnet
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from tensorflow.keras import layers, Model
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def create_embedding_model():
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base_cnn = resnet.ResNet50(weights="imagenet", input_shape=(200, 200, 3), include_top=False)
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flatten = layers.Flatten()(base_cnn.output)
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dense1 = layers.Dense(512, activation="relu")(flatten)
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dense1 = layers.BatchNormalization()(dense1)
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dense2 = layers.Dense(256, activation="relu")(dense1)
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dense2 = layers.BatchNormalization()(dense2)
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output = layers.Dense(256)(dense2)
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embedding_model = Model(base_cnn.input, output, name="Embedding")
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trainable = False
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for layer in base_cnn.layers:
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if layer.name == "conv5_block1_out":
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trainable = True
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layer.trainable = trainable
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return embedding_model
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# K-mean Clustering
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from sklearn.cluster import KMeans
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import matplotlib.pyplot as plt
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# Threshold
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RECOGNITION_THRESHOLD = 0.1 # Adjust as needed
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n_clusters = 5 # You can adjust this based on your data
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kmeans = KMeans(n_clusters=n_clusters)
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# Load the embedding model
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# embedding_model = tf.keras.models.load_model('base_128.h5')
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embedding_model = create_embedding_model()
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embedding_model.load_weights('base_128.h5')
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# Database to store embeddings and user IDs
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user_embeddings = []
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user_ids = []
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# Preprocess the image
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def preprocess_image(image):
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image = cv2.resize(image, (200, 200)) # Resize image to 200x200
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image = tf.keras.applications.resnet50.preprocess_input(image)
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return np.expand_dims(image, axis=0)
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# Generate embedding
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def generate_embedding(image):
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preprocessed_image = preprocess_image(image)
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return embedding_model.predict(preprocessed_image)[0]
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# Register new user
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def register_user(image, user_id):
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try:
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embedding = generate_embedding(image)
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user_embeddings.append(embedding)
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user_ids.append(user_id)
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return f"User {user_id} registered successfully."
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except Exception as e:
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return f"Error during registration: {str(e)}"
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# Recognize user
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def recognize_user(image):
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try:
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new_embedding = generate_embedding(image)
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if len(user_embeddings) < n_clusters:
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# Handle the case where there are not enough users for K-means
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# For example, you could use nearest neighbor search among existing embeddings
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# Here, I'm just returning a message for simplicity
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return "Not enough registered users for recognition."
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# Update the KMeans model
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kmeans.fit(user_embeddings)
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cluster_label = kmeans.predict([new_embedding])[0]
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distances = kmeans.transform([new_embedding])[0]
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min_distance = np.min(distances)
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if min_distance > RECOGNITION_THRESHOLD:
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return "User not recognized."
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# Find the user ID(s) in the closest cluster
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recognized_user_ids = [user_ids[i] for i, label in enumerate(kmeans.labels_) if label == cluster_label]
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return f"Recognized User(s): {', '.join(recognized_user_ids)}"
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except Exception as e:
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return f"Error during recognition: {str(e)}"
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def plot_clusters():
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# Assuming embeddings are 2-dimensional
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plt.figure(figsize=(8, 6))
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plt.scatter(*zip(*user_embeddings), c=kmeans.labels_)
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plt.title('User Embeddings Clustered by K-Means')
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plt.xlabel('Embedding Dimension 1')
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plt.ylabel('Embedding Dimension 2')
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plt.show()
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def main():
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with gr.Blocks() as demo:
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gr.Markdown("Facial Recognition System")
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with gr.Tab("Register"):
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with gr.Row():
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img_register = gr.Image()
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user_id = gr.Textbox(label="User ID")
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register_button = gr.Button("Register")
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register_output = gr.Textbox()
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register_button.click(register_user, inputs=[img_register, user_id], outputs=register_output)
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with gr.Tab("Recognize"):
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with gr.Row():
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img_recognize = gr.Image()
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recognize_button = gr.Button("Recognize")
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recognize_output = gr.Textbox()
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recognize_button.click(recognize_user, inputs=[img_recognize], outputs=recognize_output)
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demo.launch(share=True)
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if __name__ == "__main__":
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main()
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