#Uncomment detection section.
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app.py
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@@ -33,88 +33,88 @@ enhancement_type = st.sidebar.selectbox(
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["Invert", "High Pass Filter", "Unsharp Masking", "Histogram Equalization", "CLAHE"]
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#
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# Utility Functions
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["Invert", "High Pass Filter", "Unsharp Masking", "Histogram Equalization", "CLAHE"]
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)
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H = 224
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W = 224
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@st.cache_resource
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def load_model():
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model = tf.keras.models.load_model("model-detection.h5", compile=False)
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model.compile(
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loss={
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"bbox": "mse",
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"class": "sparse_categorical_crossentropy"
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},
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optimizer=tf.keras.optimizers.Adam(),
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metrics={
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"bbox": ['mse'],
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"class": ['accuracy']
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}
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)
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return model
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def preprocess_image(image):
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""" Preprocess the image to the required size and normalization. """
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image = cv2.resize(image, (W, H))
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image = (image - 127.5) / 127.5 # Normalize to [-1, +1]
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image = np.expand_dims(image, axis=0).astype(np.float32)
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return image
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def predict(model, image):
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""" Predict bounding box and label for the input image. """
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pred_bbox, pred_class = model.predict(image)
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pred_label_confidence = np.max(pred_class, axis=1)[0]
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pred_label = np.argmax(pred_class, axis=1)[0]
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return pred_bbox[0], pred_label, pred_label_confidence
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def draw_bbox(image, bbox):
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""" Draw bounding box on the image. """
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h, w, _ = image.shape
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x1, y1, x2, y2 = bbox
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x1, y1, x2, y2 = int(x1 * w), int(y1 * h), int(x2 * w), int(y2 * h)
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image = cv2.rectangle(image, (x1, y1), (x2, y2), (255, 0, 0), 2)
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return image
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# st.title("Chest X-ray Disease Detection")
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# st.write("Upload a chest X-ray image and click on 'Detect' to find out if there's any disease.")
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model = load_model()
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uploaded_file = st.file_uploader("Choose an image...", type=["jpg", "jpeg", "png"])
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if uploaded_file is not None:
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file_bytes = np.asarray(bytearray(uploaded_file.read()), dtype=np.uint8)
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image = cv2.imdecode(file_bytes, 1)
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st.image(image, caption='Uploaded Image.', use_column_width=True)
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if st.button('Detect'):
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st.write("Processing...")
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input_image = preprocess_image(image)
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pred_bbox, pred_label, pred_label_confidence = predict(model, input_image)
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# Updated label mapping based on the dataset
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label_mapping = {
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0: 'Atelectasis',
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1: 'Cardiomegaly',
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2: 'Effusion',
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3: 'Infiltrate',
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4: 'Mass',
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5: 'Nodule',
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6: 'Pneumonia',
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7: 'Pneumothorax'
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}
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if pred_label_confidence < 0.2:
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st.write("May not detect a disease.")
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else:
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pred_label_name = label_mapping[pred_label]
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st.write(f"Prediction Label: {pred_label_name}")
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st.write(f"Prediction Bounding Box: {pred_bbox}")
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st.write(f"Prediction Confidence: {pred_label_confidence:.2f}")
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output_image = draw_bbox(image.copy(), pred_bbox)
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st.image(output_image, caption='Detected Image.', use_column_width=True)
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# Utility Functions
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