Research Article

Application of Phase Congruency for Discriminating Some Lung Diseases Using Chest Radiograph

Table 1

(a) Summary statistic for pixel intensity taken at 5 landmarks (7th cervical vertebra, 1st–4th thoracic vertebrae) of the spine for NL images. (b) Summary statistic for pixel intensity taken at 5 landmarks (7th cervical vertebra, 1st–4th thoracic vertebrae) of the spine for LC images. (c) Summary statistic for pixel intensity taken at 5 landmarks (7th cervical vertebra, 1st–4th thoracic vertebrae) of the spine for NL images.
(a)

NL (40 images)

Mean3260.503230.403168.503207.203220.60
STD104.24170.40178.43162.38162.23
Max33933439341134083435
Min30352885288428912953
Range358554527517482

(b)

LC (50 images)

Mean3346.203320.803314.803377.803441.10
STD207.00239.19235.75220.47176.67
Max36443667363536423663
Min30452901295228953099
Range599766683747564

(c)

PNEU (50 images)

Mean3350.503350.803366.303442.103491.10
STD99.77103.68122.55116.11116.75
Max35323549359235943718
Min31953241319132703312
Range337308401324406