Automatic Radiographic Position Recognition from Image Frequency and Intensity

Table 1

The accuracy rate of four different radiographic position matching methods.

Radiographic positions	Dot matrix matching algorithm (%)	Correlation matching algorithm (%)	Histogram retrieval algorithm (%)	Current algorithm (%)	Average time of current algorithm (s)
Head	83.3	100.0	50.0	100.0	0.2808
Lungs	47.4	71.9	45.6	100.0	0.2918
Lumbar	45.6	66.7	40.5	100.0	0.2934
Pelvis	35.3	41.2	41.2	66.7	0.2919
Joint	90.9	100.0	27.3	100.0	0.2903
Limbs	75.8	56.8	56.6	96.0	0.2936
Average	63.1	72.7	43.5	93.7	0.2903