Optimum ambient lighting conditions for the viewing of softcopy radiological images

Mark Mc Entee; Patrick Brennan; Micheal Evanoff; Peter Phillips; William T. O'Connor; David Manning; MP Eckstein

doi:10.1117/12.660137

Optimum ambient lighting conditions for the viewing of softcopy radiological images

Mark Mc Entee
, Patrick Brennan
, Micheal Evanoff
, Peter Phillips
, William T. O'Connor
, David Manning
, MP Eckstein

University of Cumbria

University College Dublin
Sch Med Imaging Sci

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Purpose: The aim of the work is to determine the optimum ambient lighting conditions for viewing softcopy radiological images on LCD.

Materials and Methods: The study measured the diagnostic performance of observers viewing images on liquid crystal display (LCD) monitor under different ambient lighting conditions: 480, 100, 40, 25 and 7lux. An ROC analysis was performed as a measure of diagnostic performance. A set of 30 postero-anterior wrist images was used, 15 of which had fractures present the remainder were normal. These were evaluated by 79 American Board of Radiology certified experienced Radiologists.

Results: The observers performed better at 40 and 25lux compared with 480 and 100 lux. At 7lux, the observers' performance was generally similar to that at 480 and 100lux.

Conclusion: Using the previously recommended ambient lighting levels of 100lux resulted in no improvement over typical office lighting of 480lux. Lower ambient lighting levels ranging from 40-25lux improves diagnostic performance over higher levels. Lowering ambient lighting to 7lux (almost complete darkness apart from the light emanating from the monitor) reduces diagnostic performance to a level equal to that of typical office lighting. It is clearly important to control ambient lighting to ensure that diagnostic performance is maximized.

Original language	English
Title of host publication	Proc. SPIE 6146, Medical Imaging 2006: Image Perception, Observer Performance, and Technology Assessment, 61460W
Editors	Y Jiang
Publisher	SPIE-INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING
Number of pages	9
Volume	6146
ISBN (Print)	0-8194-6425-2
DOIs	https://doi.org/10.1117/12.660137
Publication status	Published - 17 Mar 2006
Event	Medical Imaging 2006 Conference - San Diego, Canada Duration: 12 Feb 2006 → 14 Feb 2006

Publication series

Name	Proceedings Of Spie

Conference

Conference	Medical Imaging 2006 Conference
Country/Territory	Canada
City	San Diego
Period	12/02/06 → 14/02/06

Keywords

PACs
Roc
TeleRadiology
Ambient lighting
Diagnostic-performance
Optimized-displays

Access to Document

10.1117/12.660137

https://doi.org/10.1117/12.660137

Cite this

Mc Entee, M., Brennan, P., Evanoff, M., Phillips, P., O'Connor, W. T., Manning, D., & Eckstein, MP. (2006). Optimum ambient lighting conditions for the viewing of softcopy radiological images. In Y. Jiang (Ed.), Proc. SPIE 6146, Medical Imaging 2006: Image Perception, Observer Performance, and Technology Assessment, 61460W (Vol. 6146). (Proceedings Of Spie). SPIE-INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING. https://doi.org/10.1117/12.660137

@inproceedings{f3424f1c56f34737a9d3312193432ab5,

title = "Optimum ambient lighting conditions for the viewing of softcopy radiological images",

abstract = "Purpose: The aim of the work is to determine the optimum ambient lighting conditions for viewing softcopy radiological images on LCD. Materials and Methods: The study measured the diagnostic performance of observers viewing images on liquid crystal display (LCD) monitor under different ambient lighting conditions: 480, 100, 40, 25 and 7lux. An ROC analysis was performed as a measure of diagnostic performance. A set of 30 postero-anterior wrist images was used, 15 of which had fractures present the remainder were normal. These were evaluated by 79 American Board of Radiology certified experienced Radiologists. Results: The observers performed better at 40 and 25lux compared with 480 and 100 lux. At 7lux, the observers' performance was generally similar to that at 480 and 100lux. Conclusion: Using the previously recommended ambient lighting levels of 100lux resulted in no improvement over typical office lighting of 480lux. Lower ambient lighting levels ranging from 40-25lux improves diagnostic performance over higher levels. Lowering ambient lighting to 7lux (almost complete darkness apart from the light emanating from the monitor) reduces diagnostic performance to a level equal to that of typical office lighting. It is clearly important to control ambient lighting to ensure that diagnostic performance is maximized.",

keywords = "PACs, Roc, TeleRadiology, Ambient lighting, Diagnostic-performance, Optimized-displays",

author = "\{Mc Entee\}, Mark and Patrick Brennan and Micheal Evanoff and Peter Phillips and O'Connor, \{William T.\} and David Manning and MP Eckstein",

year = "2006",

month = mar,

day = "17",

doi = "10.1117/12.660137",

language = "English",

isbn = "0-8194-6425-2",

volume = "6146",

series = "Proceedings Of Spie",

publisher = "SPIE-INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING",

editor = "Y Jiang",

booktitle = "Proc. SPIE 6146, Medical Imaging 2006: Image Perception, Observer Performance, and Technology Assessment, 61460W",

note = "Medical Imaging 2006 Conference ; Conference date: 12-02-2006 Through 14-02-2006",

}

Mc Entee, M, Brennan, P, Evanoff, M, Phillips, P, O'Connor, WT, Manning, D & Eckstein, MP 2006, Optimum ambient lighting conditions for the viewing of softcopy radiological images. in Y Jiang (ed.), Proc. SPIE 6146, Medical Imaging 2006: Image Perception, Observer Performance, and Technology Assessment, 61460W. vol. 6146, Proceedings Of Spie, SPIE-INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING, Medical Imaging 2006 Conference, San Diego, Canada, 12/02/06. https://doi.org/10.1117/12.660137

Optimum ambient lighting conditions for the viewing of softcopy radiological images. / Mc Entee, Mark; Brennan, Patrick; Evanoff, Micheal et al.
Proc. SPIE 6146, Medical Imaging 2006: Image Perception, Observer Performance, and Technology Assessment, 61460W. ed. / Y Jiang. Vol. 6146 SPIE-INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING, 2006. (Proceedings Of Spie).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Optimum ambient lighting conditions for the viewing of softcopy radiological images

AU - Mc Entee, Mark

AU - Brennan, Patrick

AU - Evanoff, Micheal

AU - Phillips, Peter

AU - O'Connor, William T.

AU - Manning, David

AU - Eckstein, MP

PY - 2006/3/17

Y1 - 2006/3/17

N2 - Purpose: The aim of the work is to determine the optimum ambient lighting conditions for viewing softcopy radiological images on LCD. Materials and Methods: The study measured the diagnostic performance of observers viewing images on liquid crystal display (LCD) monitor under different ambient lighting conditions: 480, 100, 40, 25 and 7lux. An ROC analysis was performed as a measure of diagnostic performance. A set of 30 postero-anterior wrist images was used, 15 of which had fractures present the remainder were normal. These were evaluated by 79 American Board of Radiology certified experienced Radiologists. Results: The observers performed better at 40 and 25lux compared with 480 and 100 lux. At 7lux, the observers' performance was generally similar to that at 480 and 100lux. Conclusion: Using the previously recommended ambient lighting levels of 100lux resulted in no improvement over typical office lighting of 480lux. Lower ambient lighting levels ranging from 40-25lux improves diagnostic performance over higher levels. Lowering ambient lighting to 7lux (almost complete darkness apart from the light emanating from the monitor) reduces diagnostic performance to a level equal to that of typical office lighting. It is clearly important to control ambient lighting to ensure that diagnostic performance is maximized.

AB - Purpose: The aim of the work is to determine the optimum ambient lighting conditions for viewing softcopy radiological images on LCD. Materials and Methods: The study measured the diagnostic performance of observers viewing images on liquid crystal display (LCD) monitor under different ambient lighting conditions: 480, 100, 40, 25 and 7lux. An ROC analysis was performed as a measure of diagnostic performance. A set of 30 postero-anterior wrist images was used, 15 of which had fractures present the remainder were normal. These were evaluated by 79 American Board of Radiology certified experienced Radiologists. Results: The observers performed better at 40 and 25lux compared with 480 and 100 lux. At 7lux, the observers' performance was generally similar to that at 480 and 100lux. Conclusion: Using the previously recommended ambient lighting levels of 100lux resulted in no improvement over typical office lighting of 480lux. Lower ambient lighting levels ranging from 40-25lux improves diagnostic performance over higher levels. Lowering ambient lighting to 7lux (almost complete darkness apart from the light emanating from the monitor) reduces diagnostic performance to a level equal to that of typical office lighting. It is clearly important to control ambient lighting to ensure that diagnostic performance is maximized.

KW - PACs

KW - Roc

KW - TeleRadiology

KW - Ambient lighting

KW - Diagnostic-performance

KW - Optimized-displays

U2 - 10.1117/12.660137

DO - 10.1117/12.660137

M3 - Conference contribution

SN - 0-8194-6425-2

VL - 6146

T3 - Proceedings Of Spie

BT - Proc. SPIE 6146, Medical Imaging 2006: Image Perception, Observer Performance, and Technology Assessment, 61460W

A2 - Jiang, Y

PB - SPIE-INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING

T2 - Medical Imaging 2006 Conference

Y2 - 12 February 2006 through 14 February 2006

ER -

Mc Entee M, Brennan P, Evanoff M, Phillips P, O'Connor WT, Manning D et al. Optimum ambient lighting conditions for the viewing of softcopy radiological images. In Jiang Y, editor, Proc. SPIE 6146, Medical Imaging 2006: Image Perception, Observer Performance, and Technology Assessment, 61460W. Vol. 6146. SPIE-INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING. 2006. (Proceedings Of Spie). doi: 10.1117/12.660137

Optimum ambient lighting conditions for the viewing of softcopy radiological images

Abstract

Publication series

Conference

Keywords

Access to Document

Fingerprint

Cite this