Image Retrieval Method for Multiscale Objects from Optical Colonoscopy Images

Table 2

Transitions in numbers of target images and candidates during two selections.

	Object size	Item type	Initial counts	After area selection	After image selection by 0th HLAC	After image selection by both 0th and 1st HLAC
Query 1	257 × 201	Images	100	73	68	48
		Candidates	95,760,000	4,846,155	4,834,439	3,692,044
Query 2	436 × 385	Target images	100	76	34	23
		Candidates	83,436,000	2,722,159	1,873,632	1,347,992
Query 3	293 × 257	Images	100	65	38	23
		Candidates	119,436,000	2,758,672	2,489,387	1,907,013
Query 4	225 × 147	Images	100	39	26	22
		Candidates	84,279,300	1,206,822	1,123,168	1,093,250