Improved display calibration algorithm for wide viewing angle DICOM GSDF compliance

T. Kimpe; C. Marchessoux

doi:10.1117/12.768676

13 March 2008 Improved display calibration algorithm for wide viewing angle DICOM GSDF compliance

T. Kimpe, C. Marchessoux

Proceedings Volume 6919, Medical Imaging 2008: PACS and Imaging Informatics; 69190P (2008) https://doi.org/10.1117/12.768676
Event: Medical Imaging, 2008, San Diego, California, United States

Abstract

LCDs suffer from viewing angle dependency, meaning that characteristics of LCDs change with viewing angle. DICOM GSDF calibration and corresponding quality checks typically take place for on-axis viewing. However, users will use the display for a broad range of viewing angles. Several studies have shown that when calibration is done for on-axis viewing then the display is not accurately complying with the DICOM GSDF standard when viewing off-axis. This paper presents a novel solution: we adapt the DICOM GSDF calibration algorithm to have inherent robustness against change of viewing angle. A validation has been done by means of a 5 Mega Pixel medical display. Results show that it is possible to double the range of viewing angles (18° instead of 9°) for which the display is within the 10% tolerance as defined in the DICOM GSDF standard. This result is very useful because users typically will use their displays also for off-axis viewing angles.

Citation Download Citation

T. Kimpe and C. Marchessoux "Improved display calibration algorithm for wide viewing angle DICOM GSDF compliance", Proc. SPIE 6919, Medical Imaging 2008: PACS and Imaging Informatics, 69190P (13 March 2008); https://doi.org/10.1117/12.768676

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