1995 年 51 巻 7 号 p. 810-818
The influence of TV cameras regarding I.I.-TV digital X-ray imaging systems has been investigated. The characteristics of pick-up tubes and their effects on the imaging system have been discussed. The results are as follows. 1)The scanning modes of TV cameras had some influence on the veiling glare fraction. 2)The modulation transfer factors were dependent on the light intensity level produced by the TV cameras.