Update app.py
Browse files
app.py
CHANGED
|
@@ -1,40 +1,64 @@
|
|
| 1 |
-
import
|
| 2 |
import librosa
|
| 3 |
import numpy as np
|
| 4 |
import tensorflow as tf
|
|
|
|
| 5 |
from tensorflow.keras.models import load_model
|
| 6 |
|
| 7 |
-
# Load your pre-trained model (make sure it's in the same directory or provide
|
| 8 |
-
|
|
|
|
| 9 |
|
| 10 |
-
|
| 11 |
-
def predict_user_or_non_user(audio):
|
| 12 |
-
# Load the audio file using librosa
|
| 13 |
-
y, sr = librosa.load(audio, sr=None) # sr=None to keep the original sampling rate
|
| 14 |
-
|
| 15 |
-
# Extract MFCC features from the audio
|
| 16 |
-
mfccs = librosa.feature.mfcc(y=y, sr=sr, n_mfcc=13) # You can adjust n_mfcc as needed
|
| 17 |
-
mfccs = np.mean(mfccs.T, axis=0) # Take the mean of MFCCs over time to reduce dimension
|
| 18 |
-
|
| 19 |
-
# Reshape the MFCCs to match the input shape expected by the model
|
| 20 |
-
mfccs = mfccs.reshape(1, -1) # Reshape to 1 sample, with the number of features
|
| 21 |
-
|
| 22 |
-
# Predict the class (user or non-user)
|
| 23 |
-
prediction = model.predict(mfccs)
|
| 24 |
-
|
| 25 |
-
# Convert prediction to readable format
|
| 26 |
-
if prediction > 0.5:
|
| 27 |
-
return "User"
|
| 28 |
-
else:
|
| 29 |
-
return "Non-User"
|
| 30 |
|
| 31 |
-
#
|
| 32 |
-
|
| 33 |
-
|
| 34 |
-
|
| 35 |
-
|
| 36 |
-
|
| 37 |
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 38 |
|
| 39 |
-
#
|
| 40 |
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
import os
|
| 2 |
import librosa
|
| 3 |
import numpy as np
|
| 4 |
import tensorflow as tf
|
| 5 |
+
from flask import Flask, request, jsonify
|
| 6 |
from tensorflow.keras.models import load_model
|
| 7 |
|
| 8 |
+
# Load your pre-trained model (make sure it's in the same directory or provide the correct path)
|
| 9 |
+
MODEL_PATH = 'voice_authentication_model.keras'
|
| 10 |
+
model = load_model(MODEL_PATH)
|
| 11 |
|
| 12 |
+
app = Flask(__name__)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 13 |
|
| 14 |
+
# Helper function to extract MFCC features
|
| 15 |
+
def extract_mfcc_features(audio_path):
|
| 16 |
+
try:
|
| 17 |
+
# Load the audio file using librosa
|
| 18 |
+
y, sr = librosa.load(audio_path, sr=None) # sr=None keeps the original sampling rate
|
| 19 |
+
|
| 20 |
+
# Extract MFCC features
|
| 21 |
+
mfccs = librosa.feature.mfcc(y=y, sr=sr, n_mfcc=13) # Adjust n_mfcc as needed
|
| 22 |
+
mfccs = np.mean(mfccs.T, axis=0) # Average MFCCs over time to reduce dimensions
|
| 23 |
+
|
| 24 |
+
# Reshape MFCCs for model input
|
| 25 |
+
return mfccs.reshape(1, -1) # 1 sample with the number of features
|
| 26 |
+
except Exception as e:
|
| 27 |
+
raise ValueError(f"Error processing audio file: {e}")
|
| 28 |
|
| 29 |
+
# Define the home route for basic health check
|
| 30 |
+
@app.route('/')
|
| 31 |
+
def home():
|
| 32 |
+
return "Voice Authentication API is running!"
|
| 33 |
+
|
| 34 |
+
# Define the prediction endpoint
|
| 35 |
+
@app.route('/predict', methods=['POST'])
|
| 36 |
+
def predict():
|
| 37 |
+
try:
|
| 38 |
+
# Check if audio file is present in the request
|
| 39 |
+
if 'file' not in request.files:
|
| 40 |
+
return jsonify({"error": "No file provided. Please upload an audio file."}), 400
|
| 41 |
+
|
| 42 |
+
# Save the uploaded file to a temporary location
|
| 43 |
+
audio_file = request.files['file']
|
| 44 |
+
file_path = os.path.join("temp_audio.wav")
|
| 45 |
+
audio_file.save(file_path)
|
| 46 |
+
|
| 47 |
+
# Extract features from the audio file
|
| 48 |
+
mfccs = extract_mfcc_features(file_path)
|
| 49 |
+
|
| 50 |
+
# Perform prediction
|
| 51 |
+
prediction = model.predict(mfccs)
|
| 52 |
+
|
| 53 |
+
# Convert prediction to user-readable format
|
| 54 |
+
result = "User" if prediction > 0.5 else "Non-User"
|
| 55 |
+
|
| 56 |
+
# Clean up the temporary file
|
| 57 |
+
os.remove(file_path)
|
| 58 |
+
|
| 59 |
+
return jsonify({"prediction": result})
|
| 60 |
+
except Exception as e:
|
| 61 |
+
return jsonify({"error": str(e)}), 500
|
| 62 |
+
|
| 63 |
+
if __name__ == "__main__":
|
| 64 |
+
app.run(host="0.0.0.0", port=7860)
|