Towards Fine Whole-Slide Skeletal Muscle Image Segmentation through Deep Hierarchically Connected Networks

Table 2

The runtime (in seconds) comparison on images of different sizes from to .

Method	1x	2x	3x	4x	5x	6x	7x	8x	9x
DC [43]	20	79	—	—	—	—	—	—	—
MCG [44]	7	27	—	—	—	—	—	—	—
Liu et al. [7]	10	59	—	—	—	—	—	—	—
DNN-SNM [14]	264	1056	2376	4224	6600	9504	12936	16896	21384
DNN-SNM[45]	31	115	242	431	675	974	1325	1738	2160
U-net [30]	1.2	3.9	9.0	16.1	24.6	36.8	48.2	63.3	79.2
Our approach	1.1	1.8	5.3	8.8	13.9	20.9	27.8	36.4	46.8

The first three methods cannot handle images with 3x and larger sizes on our machine (represented with “—” in the table). DNN-SNM is a fast scanning implementation for prediction speed acceleration.