Table 1.

ConvNet-VAE model architecture.

Grp.Kernel (K)Stride (S)Encoder layersDecoder layers
11111Conv1D(32)FCFC(μ,σ)FCConv1D
3131Conv1D(32)FCFC(μ,σ)FCConv1D
5151Conv1D(32)FCFC(μ,σ)FCConv1D
2113Conv1D(32)FCFC(μ,σ)FCConv1D
113Conv1D(32)Conv1D(64)FCFC(μ,σ)FCConv1D(32)Conv1D
113Conv1D(32)Conv1D(64)Conv1D(128)FCFC(μ,σ)FCConv1D(64)Conv1D(32)Conv1D
Grp.Kernel (K)Stride (S)Encoder layersDecoder layers
11111Conv1D(32)FCFC(μ,σ)FCConv1D
3131Conv1D(32)FCFC(μ,σ)FCConv1D
5151Conv1D(32)FCFC(μ,σ)FCConv1D
2113Conv1D(32)FCFC(μ,σ)FCConv1D
113Conv1D(32)Conv1D(64)FCFC(μ,σ)FCConv1D(32)Conv1D
113Conv1D(32)Conv1D(64)Conv1D(128)FCFC(μ,σ)FCConv1D(64)Conv1D(32)Conv1D

Two groups of ConvNet-VAEs are employed in this study. In Group 1, the encoders and decoders of ConvNet-VAEs comprise only one 1D convolutional layer, with increasing size of the kernel (K) and stride (S) of filters (from 11 to 51). In the second group, the ConvNet-VAEs contain an increasing number of 1D convolutional layers (from 1 to 3), with fixed kernel size and stride.

Table 1.

ConvNet-VAE model architecture.

Grp.Kernel (K)Stride (S)Encoder layersDecoder layers
11111Conv1D(32)FCFC(μ,σ)FCConv1D
3131Conv1D(32)FCFC(μ,σ)FCConv1D
5151Conv1D(32)FCFC(μ,σ)FCConv1D
2113Conv1D(32)FCFC(μ,σ)FCConv1D
113Conv1D(32)Conv1D(64)FCFC(μ,σ)FCConv1D(32)Conv1D
113Conv1D(32)Conv1D(64)Conv1D(128)FCFC(μ,σ)FCConv1D(64)Conv1D(32)Conv1D
Grp.Kernel (K)Stride (S)Encoder layersDecoder layers
11111Conv1D(32)FCFC(μ,σ)FCConv1D
3131Conv1D(32)FCFC(μ,σ)FCConv1D
5151Conv1D(32)FCFC(μ,σ)FCConv1D
2113Conv1D(32)FCFC(μ,σ)FCConv1D
113Conv1D(32)Conv1D(64)FCFC(μ,σ)FCConv1D(32)Conv1D
113Conv1D(32)Conv1D(64)Conv1D(128)FCFC(μ,σ)FCConv1D(64)Conv1D(32)Conv1D

Two groups of ConvNet-VAEs are employed in this study. In Group 1, the encoders and decoders of ConvNet-VAEs comprise only one 1D convolutional layer, with increasing size of the kernel (K) and stride (S) of filters (from 11 to 51). In the second group, the ConvNet-VAEs contain an increasing number of 1D convolutional layers (from 1 to 3), with fixed kernel size and stride.

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