Update README.md
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README.md
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@@ -58,9 +58,7 @@ model = build_model() # Architecture defined in the `build_model` function
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model.load_weights(model_path)
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```
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The `build_model` function defines the architecture:
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```python
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import tensorflow as tf
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from tensorflow.keras import layers
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# Global parameters for model input shape (ensure these are defined before calling build_model)
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# Example:
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# TIME_STEPS = 30
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# HEIGHT = 299
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# WIDTH = 299
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def build_model(lstm_hidden_size=256, num_classes=2, dropout_rate=0.5):
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# Input shape: (batch_size, TIME_STEPS, HEIGHT, WIDTH, 3)
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inputs = layers.Input(shape=(TIME_STEPS, HEIGHT, WIDTH, 3))
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# TimeDistributed layer to apply the base model to each frame
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base_model = keras.applications.Xception(weights='imagenet', include_top=False, pooling='avg')
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# For inference, we don't need to set trainable, but if you plan to retrain, you can set accordingly
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# base_model.trainable = False
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# Apply TimeDistributed wrapper
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x = layers.TimeDistributed(base_model)(inputs)
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# x shape: (batch_size, TIME_STEPS, 2048)
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# LSTM layer
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x = layers.LSTM(lstm_hidden_size)(x)
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x = layers.Dropout(dropout_rate)(x)
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outputs = layers.Dense(num_classes, activation='softmax')(x)
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model = keras.Model(inputs, outputs)
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return model
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```
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model.load_weights(model_path)
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```
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The `build_model` function defines the architecture as:
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```python
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import tensorflow as tf
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from tensorflow.keras import layers
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# Global parameters for model input shape (ensure these are defined before calling build_model)
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# TIME_STEPS = 30
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# HEIGHT = 299
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# WIDTH = 299
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def build_model(lstm_hidden_size=256, num_classes=2, dropout_rate=0.5):
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# Input shape: (batch_size, TIME_STEPS, HEIGHT, WIDTH, 3)
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inputs = layers.Input(shape=(TIME_STEPS, HEIGHT, WIDTH, 3))
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# TimeDistributed layer to apply the base model to each frame
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base_model = keras.applications.Xception(weights='imagenet', include_top=False, pooling='avg')
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# For inference, we don't need to set trainable, but if you plan to retrain, you can set accordingly
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# base_model.trainable = False
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# Apply TimeDistributed wrapper
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x = layers.TimeDistributed(base_model)(inputs)
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# x shape: (batch_size, TIME_STEPS, 2048)
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# LSTM layer
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x = layers.LSTM(lstm_hidden_size)(x)
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x = layers.Dropout(dropout_rate)(x)
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outputs = layers.Dense(num_classes, activation='softmax')(x)
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model = keras.Model(inputs, outputs)
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return model
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```
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