| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image reader, etc. capable of correcting a read value in accordance with a difference among white reference members. <P>SOLUTION: An image reader 100 is provided with: a light source 110 which emits light onto a sheet having an image formed thereon; a CCD 141 which receives light reflected by the sheet; a generation part 142 which generates a light quantity value from the light received by the CCD 141; a white reference board for performing color calibration of white; a color reference board for performing color calibration of a predetermined color; and a processing part 150 which derives a correlation expression expressing the difference among the white reference board on the basis of the light quantity value generated when light is emitted from the light source 110 to the white reference board. <P>COPYRIGHT: (C)2012,JPO&INPIT |
