Phase Segmentation Methods for an Automatic Surgical Workflow Analysis

Table 8

An example of phase segmentation outputs for a test surgical workflow using FrameDiff_GridBlock_Kmeans method.

Phase index	Start time (seconds)	Actual phase length (seconds)	Deviation (seconds)
1	1	13	0
2	14	68	3
3	82	80	5
4	162	76	0
5	238	72	6
6	310	93	2
7	403	81	6
8	484	61	8
9	545	83	5
10	628	76	7
11	704	81	2
12	785	15	5
Average		66.6	4.1