Fusion of Deep Features from 2D-DOST of fNIRS Signals for Subject-Independent Classification of Motor Execution Tasks

Table 7

The structure of modified MobileNet used in joint fusion.

Layer input		Input	Filter size/stride	Output
Conv.		128 × 16 × 1	3 × 3 × 32/2 × 1	64 × 16 × 32
Conv. dw		64 × 16 × 32	3 × 3 × 32/1 × 1	64 × 16 × 32
Conv.		64 × 16 × 32	32 × 1 × 64/1 × 1	64 × 16 × 64
Conv. dw		64 × 16 × 64	3 × 3 × 64/2 × 1	32 × 16 × 64
Conv.		32 × 16 × 64	32 × 1 × 128/1 × 1	32 × 16 × 128
Conv. dw		32 × 16 × 128	3 × 3 × 128/1 × 1	32 × 16 × 128
Conv.		32 × 16 × 128	32 × 1 × 128/1 × 1	32 × 16 × 128
Conv. dw		32 × 16 × 128	3 × 3 × 128/2 × 1	16 × 16 × 128
Conv.		16 × 16 × 128	16 × 1 × 256/1 × 1	16 × 16 × 256
Conv. dw		16 × 16 × 256	3 × 3 × 256/1 × 1	16 × 16 × 256
Conv.		16 × 16 × 256	16 × 1 × 256/1 × 1	16 × 16 × 256
Conv. dw		16 × 16 × 256	3 × 3 × 256/2 × 2	8 × 8 × 256
Conv.		8 × 8 × 256	8 × 1 × 512/1 × 1	8 × 8 × 512
Conv. dw		8 × 8 × 512	3 × 3 × 512/1 × 1	8 × 8 × 512
5×	Conv.	8 × 8 × 512	8 × 1 × 512/1 × 1	8 × 8 × 512
	Conv. dw	8 × 8 × 512	3 × 3 × 512/2 × 2	4 × 4 × 512
Conv.		4 × 4 × 512	4 × 1 × 1024/1 × 1	4 × 4 × 1024
Conv. dw		4 × 4 × 1024	3 × 3 × 1024/1 × 1	4 × 4 × 1024
Conv.		4 × 4 × 1024	4 × 1 × 1024/1 × 1	4 × 4 × 1024
Average pooling		4 × 4 × 1024	Pool 4 × 4	1 × 1 × 1024
Flatten		1 × 1 × 1024	—	1024 × 1
Fully connected		1024 × 1000	—	1024 × 1
Softmax		Classifier	—	× 1