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app.py
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import cv2
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import numpy as np
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import gradio as gr
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from keras.models import load_model
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names = [
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'Speed limit (20km/h)',
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'Speed limit (30km/h)',
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'Speed limit (50km/h)',
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'Speed limit (60km/h)',
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'Speed limit (70km/h)',
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'Speed limit (80km/h)',
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'End of speed limit (80km/h)',
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'Speed limit (100km/h)',
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'Speed limit (120km/h)',
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'No passing',
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'No passing for vechiles over 3.5 metric tons',
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'Road Block',
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'Priority road',
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'Yield',
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'Stop',
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'No vehicles',
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'Vechiles over 3.5 metric tons prohibited',
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'No entry',
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'General caution',
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'Double curve',
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'Bumpy Road',
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'Slippery road',
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'Road narrows on the right',
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'Road Work',
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'Traffic Signals',
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'Pedestrians',
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'Children crossing',
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'Bicycles crossing',
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'Beware of ice/snow',
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'Wild animals crossing',
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'End of all speed and passing limits',
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'Turn right ahead',
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'Turn left ahead',
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'Ahead only',
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'Go straight or right',
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'Go straight or left',
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'Keep right',
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'Keep left',
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'Roundabout mandatory',
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'End of no passing',
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'End of no passing by vechiles over 3.5 metric tons'
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]
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# Load the saved model
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model = load_model('model.h5')
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# Preprocess the input image
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def preprocess_image(img):
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img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
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img = cv2.equalizeHist(img)
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img = img / 255
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img = cv2.resize(img, (32, 32))
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img = img.reshape(1, 32, 32, 1)
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return img
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# Define the prediction function
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def predict_image(image):
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preprocessed_image = preprocess_image(image)
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predictions = model.predict(preprocessed_image)
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class_index = np.argmax(predictions)
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class_label = names[class_index]
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accuracy = predictions[0][class_index]
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return f"Prediction: {class_label}, Accuracy: {accuracy:.2%}"
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# Create the Gradio interface
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iface = gr.Interface(fn=predict_image, inputs="image", outputs="text")
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# Run the interface
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iface.launch()
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