荧光图像获取方法及设备、荧光内窥镜和激发光装置

Fluorescent image obtainment method and apparatus, fluorescence endoscope, and excitation-light unit

Abstract

本发明提供一种荧光图像获取方法及设备、荧光内窥镜和激发光装置。荧光图像获取设备包括:光照射装置(130、150),其同时采用照明光和激发光照射被观察区域;以及成像装置(110),其拍摄由从采用所述照明光照射的区域反射的光组成的图像,以及由采用所述激发光照射的区域发出的荧光组成的图像。此外,所述设备包括:图像处理装置(170),其产生基于反射光的图像的普通图像以及基于荧光的图像的荧光图像;以及光量控制装置(186),其控制所述照明光的光量使得所述普通图像的代表亮度值为预定亮度值,并且控制所述激发光的光量使得所述激发光的光量与所述照明光的光量的比率为预定比率。
The invention provides a fluorescent image obtainment method and apparatus, a fluorescence endoscope, and an excitation-light unit. The fluorescent image obtainment apparatus includes a light illumination means (130, 150) that illuminates a region to be observed with illumination-light and excitation-light at the same time, and an imaging means (110) that captures an image composed of light reflected from the region illuminated with the illumination-light and an image composed of fluorescence output from the region illuminated with the excitation-light. Further, the apparatus includes an image processing means (170) that produces an ordinary image based on the image of the reflection light and a fluorescent image based on the image of fluorescence, and a light amount control means (186) that controls the light amount of the illumination-light so that a representative luminance value of the ordinary image becomes a predetermined luminance value and the light amount of the excitation-light so that the ratio of the light amount of the excitation-light to that of the illumination-light becomes a predetermined ratio.

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