Comparison of color LCD and medical-grade monochrome LCD displays in diagnostic radiology.
In diagnostic radiology, medical-grade monochrome displays are usually recommended because of their higher luminance. Standard color displays can be used as a less expensive alternative, but have a lower luminance. The aim of the present study was to compare image quality for these two types of displays. Images of a CDRAD contrast-detail phantom were read by four radiologists using a 2-megapixel (MP) color display (143 cd/m(2) maximum luminance) as well as 2-MP (295 cd/m(2)) and 3-MP monochrome displays. Thirty lumbar spine radiographs were also read by four radiologists using the color and the 2-MP monochrome display in a visual grading analysis (VGA). Very small differences were found between the displays when reading the CDRAD images. The VGA scores were -0.28 for the color and -0.25 for the monochrome display (p = 0.24; NS). It thus seems possible to use color displays in diagnostic radiology provided that grayscale adjustment is used.
Geijer
Håkan
H
Department of Radiology, Orebro University Hospital, SE-701 85, Orebro, Sweden. hakan.geijer@orebroll.se.
Geijer
Mats
M
Forsberg
Lillemor
L
Kheddache
Susanne
S
Sund
Patrik
P
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D003116:Color; D016288:Computer Terminals; D003626:Data Display; D003952:Diagnostic Imaging; D006801:Humans; D007091:Image Processing, Computer-Assisted; D008029:Lighting; D050866:Liquid Crystals; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D008875:Middle Aged; D019047:Phantoms, Imaging; D011856:Radiographic Image Enhancement; D011873:Radiology Information Systems / Q000295:instrumentation; D014584:User-Computer Interface