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ENDOSCOPE SYSTEM, PROCESSOR DEVICE THEREOF AND IMAGE FORMATION METHOD
专利权人:
FUJIFILM CORPORATION
发明人:
SAITO, TAKAAKI,YAMAGUCHI, HIROSHI,IIDA, TAKAYUKI
申请号:
EP12829931
公开号:
EP2754378A4
申请日:
2012.08.22
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
An oxygen saturation level of hemoglobin in blood is correctly acquired without lowering a frame rate.A subject body illuminated with white light W is imaged by a color CCD to obtain signals Bs1, Gs1 and Rs1. The subject body is illuminated with blue narrow band light BN of which absorption coefficient is changed by a change in the oxygen saturation level of the hemoglobin in blood, and imaged by the color CCD to obtain signals Bs2, Gs2 and Rs2. The signal Bs2 is divided by the signal Gs1 to determine a normalized signal Bs2/Gs1. The oxygen saturation level of blood vessels of the surface of body tissue is obtained according to the normalized signal Bs2/Gs1. The oxygen saturation level is visualized in a pseudo color, to form an oxygen saturation level image.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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