Table 1.

Results of automatic detection algorithm for identifying the view of chest radiographs

		Pixel Size of Feature image
Distance Measure	Number of References	64 × 64	32 × 32	16 × 16	8 × 8	4 × 4	2 × 2	1 × 1
DE	1,867	98.66	98.66	98.72	98.66	98.86	94.80	81.41
	430	98.77	98.77	98.93	98.82	98.82	94.54	81.90
	5	90.52	90.79	90.09	89.56	87.47	992.98	84.52
DV	1,867	99.20	99.20	99.09	99.14	98.39	91.64	67.81
	430	98.77	98.72	98.66	98.55	97.00	91.12	67.54
	5	96.63	96.52	95.82	95.82	90.31	90.47	67.76
Df	1,867	99.46	99.57	99.25	99.25	98.39	—	—
	430	98.93	99.04	98.93	98.39	97.00	—	—
	5	96.89	96.84	96.79	95.45	90.31	—	—
Dr	1,867	99.62	99.68	99.46	98.55	94.06	—	—
	430	99.25	99.25	99.20	97.97	94.86	—	—
	5	95.02	96.14	96.47	87.63	87.63	—	—