Optimal design of illuminant for improving intraoperative color appearance of organs

Optimal design of illuminant for improving intraoperative color appearance of organs When surgeons evaluate the condition of organs and make diagnoses, color difference is an important information despite its subtleness. Yielding clearer views of blood circulation holds the key to successful surgeries such as transplants and anastomo- sis. Optimization of surgical illuminant is one approach to clearer views. Our previous study focused on computer simulation to enhance color difference. In the present study, we improved the simulation method by applying a color appearance model CIECAM02 and we realized an optimized illuminant based on the simulation. In an evaluation experiment comparing the optimal illuminant with the conventional illuminant, 14 LEDs fixed to the light unit were spectrally adjusted to demonstrate the two illuminants. Using a rat cecum, we observed the color differences under two conditions: normal blood flow and restricted blood flow. The color difference under the optimal illuminant was greater than under the conventional illuminant and the effectiveness of the optimal illuminant was confirmed. Keywords Surgical illumination · Spectrally tunable light source · Color difference enhancement · Intraoperative color appearance 1 Introduction To mitigate the problem of color difference, the use of some imaging devices such as multispectral cameras has In open surgery, visual diagnosis plays an important role been proposed [1–3]. This http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Artificial Life and Robotics Springer Journals

Optimal design of illuminant for improving intraoperative color appearance of organs

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Publisher
Springer Japan
Copyright
Copyright © 2018 by ISAROB
Subject
Computer Science; Artificial Intelligence (incl. Robotics); Computation by Abstract Devices; Control, Robotics, Mechatronics
ISSN
1433-5298
eISSN
1614-7456
D.O.I.
10.1007/s10015-018-0438-x
Publisher site
See Article on Publisher Site

Abstract

When surgeons evaluate the condition of organs and make diagnoses, color difference is an important information despite its subtleness. Yielding clearer views of blood circulation holds the key to successful surgeries such as transplants and anastomo- sis. Optimization of surgical illuminant is one approach to clearer views. Our previous study focused on computer simulation to enhance color difference. In the present study, we improved the simulation method by applying a color appearance model CIECAM02 and we realized an optimized illuminant based on the simulation. In an evaluation experiment comparing the optimal illuminant with the conventional illuminant, 14 LEDs fixed to the light unit were spectrally adjusted to demonstrate the two illuminants. Using a rat cecum, we observed the color differences under two conditions: normal blood flow and restricted blood flow. The color difference under the optimal illuminant was greater than under the conventional illuminant and the effectiveness of the optimal illuminant was confirmed. Keywords Surgical illumination · Spectrally tunable light source · Color difference enhancement · Intraoperative color appearance 1 Introduction To mitigate the problem of color difference, the use of some imaging devices such as multispectral cameras has In open surgery, visual diagnosis plays an important role been proposed [1–3]. This

Journal

Artificial Life and RoboticsSpringer Journals

Published: May 30, 2018

References

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