Radiographic image reading device, computer readable medium, and radiographic image reading method

A non-transitory computer readable medium storing a program causing a computer to execute a process for reading a radiographic image, the process comprising:

• controlling, by a control unit, a reading unit configured to photoelectrically read photostimulated luminescence light produced from a storage phosphor sheet illuminated with excitation light, the storage phosphor sheet, at which a radiographic image is stored, being scanned by a scanning unit using the excitation light, so as to cause the reading unit, in a case of reading at a first resolution, to read with excitation light at a first scanning speed and a first intensity and, in a case of reading at a second resolution that is a higher resolution than the first resolution, to read with excitation light at a second scanning speed that is slower than the first scanning speed and a second intensity that is smaller than the first intensity,
• wherein a beam diameter of the excitation light at a surface of the storage phosphor sheet is the same regardless of the resolution, a pixel size of the first resolution is larger than the beam diameter of the excitation light, and a pixel size of the second resolution is smaller than the beam diameter of the excitation light.

A radiographic image reading method, comprising:

• controlling, by a control unit, a reading unit configured to photoelectrically read photostimulated luminescence light produced from a storage phosphor sheet illuminated with excitation light, the storage phosphor sheet, at which a radiographic image is stored, being scanned by a scanning unit using the excitation light, so as to cause the reading unit, in a case of reading at a first resolution, to read with excitation light at a first scanning speed and a first intensity and, in a case of reading at a second resolution that is a higher resolution than the first resolution, to read with excitation light at a second scanning speed that is slower than the first scanning speed and a second intensity that is smaller than the first intensity,
• wherein a beam diameter of the excitation light at a surface of the storage phosphor sheet is the same regardless of the resolution, a pixel size of the first resolution is larger than the beam diameter of the excitation light, and a pixel size of the second resolution is smaller than the beam diameter of the excitation light.