Indonesian Lip-Reading Detection and Recognition Based on Lip Shape Using Face Mesh and Long-Term Recurrent Convolutional Network

Table 2

Neural network architecture.

Model	Detailed architecture
	Words	Phrase
Conv-LSTM	ConvLSTM2D (8)	ConvLSTM2D (8)
	MaxPooling3D ()	MaxPooling3D ()
	ConvLSTM2D (16)	ConvLSTM2D (16)
	MaxPooling3D ()	MaxPooling3D ()
	Flatten ()	Flatten ()
	Dense (10)	Dense (4)
LRCN-2Conv	TimeDistributed (Conv2D (16))	TimeDistributed (Conv2D (16))
	TimeDistributed (MaxPooling2D ())	TimeDistributed (MaxPooling2D ())
	TimeDistributed (Dropout ())	TimeDistributed (Dropout ())
	TimeDistributed (Conv2D (32))	TimeDistributed (Conv2D (32))
	TimeDistributed (MaxPooling2D ())	TimeDistributed (MaxPooling2D ())
	TimeDistributed (Dropout ())	TimeDistributed (Dropout ())
	TimeDistributed (Flatten ())	TimeDistributed (Flatten ())
	LSTM (64)	LSTM (64)
	Dropout ()	Dropout ()
	Dense (10)	Dense (4)
LRCN-3Conv	TimeDistributed (Conv2D (16))	TimeDistributed (Conv2D (16))
	TimeDistributed (MaxPooling2D ())	TimeDistributed (MaxPooling2D ())
	TimeDistributed (Dropout ())	TimeDistributed (Dropout ())
	TimeDistributed (Conv2D (32))	TimeDistributed (Conv2D (32))
	TimeDistributed (MaxPooling2D ())	TimeDistributed (MaxPooling2D ())
	TimeDistributed (Dropout ())	TimeDistributed (Dropout ())
	TimeDistributed (Conv2D (64))	TimeDistributed (Conv2D (64))
	TimeDistributed (MaxPooling2D ())	TimeDistributed (MaxPooling2D ())
	TimeDistributed (Dropout ())	TimeDistributed (Dropout ())
	TimeDistributed (Flatten ())	TimeDistributed (Flatten ())
	LSTM (64)	LSTM (64)
	Dropout ()	Dropout ()
	Dense (10)	Dense (4)