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Endoscopic camera sensors nowadays can adjust the image illumination not only through gain and exposure time but also LED illumination with adjustable illumination power. The LED based method is very responsive in adjusting the illumination but may introduce over-compensation issue when interfering with external light source, such as the aiming beam during lithotripsy procedure. This paper proposed a new light control algorithm that handles the interference of the external light source.
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Chen et al. (2024) studied this question.
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