MULTISPECTRAL SYNCHRONIZED IMAGING
A multispectral synchronized imaging system is provided. A multispectral light source of the system includes: blue, green and red LEDs, and one or more non-visible light sources, each being independently addressable and configured to emit, in a sequence: at least visible white light, and non-visible...
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Format | Patent |
Language | English French |
Published |
16.11.2017
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Abstract | A multispectral synchronized imaging system is provided. A multispectral light source of the system includes: blue, green and red LEDs, and one or more non-visible light sources, each being independently addressable and configured to emit, in a sequence: at least visible white light, and non-visible light in one or more given non-visible frequency ranges. The system further includes a camera and an optical filter arranged to filter light received at the camera, by: transmitting visible light from the LEDs; filter out non-visible light from the non-visible light sources; and otherwise transmit excited light emitted by a tissue sample excited by non- visible light. Images acquired by the camera are output to a display device. A control unit synchronizes acquisition of respective images at the camera for each of blue light, green light, visible white light, and excited light received at the camera, as reflected by the tissue sample.
L'invention concerne un système d'imagerie multispectrale synchronisée. Une source de lumière multispectrale du système comprend : des diodes électroluminescentes (DEL) bleues, vertes et rouges, et une ou plusieurs sources de lumière non visibles, chacune étant indépendamment adressable et configurée pour émettre, en séquence : au moins une lumière blanche visible, et une lumière non visible dans une ou plusieurs plages de fréquences non visibles données. Le système comprend en outre une caméra et un filtre optique agencé pour filtrer la lumière reçue au niveau de la caméra, en : transmettant la lumière visible provenant des DEL ; filtrant la lumière non visible provenant des sources de lumière non visibles ; et transmettant sinon la lumière excitée émise par un échantillon de tissu excité par la lumière non visible. Les images acquises par la caméra sont délivrées en sortie à un dispositif d'affichage. Une unité de commande synchronise l'acquisition d'images respectives au niveau de la caméra pour chacune de la lumière bleue, de la lumière verte, de la lumière blanche visible et de la lumière excitée reçues au niveau de la caméra, telles que réfléchies par l'échantillon de tissu. |
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AbstractList | A multispectral synchronized imaging system is provided. A multispectral light source of the system includes: blue, green and red LEDs, and one or more non-visible light sources, each being independently addressable and configured to emit, in a sequence: at least visible white light, and non-visible light in one or more given non-visible frequency ranges. The system further includes a camera and an optical filter arranged to filter light received at the camera, by: transmitting visible light from the LEDs; filter out non-visible light from the non-visible light sources; and otherwise transmit excited light emitted by a tissue sample excited by non- visible light. Images acquired by the camera are output to a display device. A control unit synchronizes acquisition of respective images at the camera for each of blue light, green light, visible white light, and excited light received at the camera, as reflected by the tissue sample.
L'invention concerne un système d'imagerie multispectrale synchronisée. Une source de lumière multispectrale du système comprend : des diodes électroluminescentes (DEL) bleues, vertes et rouges, et une ou plusieurs sources de lumière non visibles, chacune étant indépendamment adressable et configurée pour émettre, en séquence : au moins une lumière blanche visible, et une lumière non visible dans une ou plusieurs plages de fréquences non visibles données. Le système comprend en outre une caméra et un filtre optique agencé pour filtrer la lumière reçue au niveau de la caméra, en : transmettant la lumière visible provenant des DEL ; filtrant la lumière non visible provenant des sources de lumière non visibles ; et transmettant sinon la lumière excitée émise par un échantillon de tissu excité par la lumière non visible. Les images acquises par la caméra sont délivrées en sortie à un dispositif d'affichage. Une unité de commande synchronise l'acquisition d'images respectives au niveau de la caméra pour chacune de la lumière bleue, de la lumière verte, de la lumière blanche visible et de la lumière excitée reçues au niveau de la caméra, telles que réfléchies par l'échantillon de tissu. |
Author | BAI, Yanhui LEE, Tammy Kee-Wai JAMIESON, Christopher Thomas BULK, Michael Peter YAO, Ze Shan WOOD, Michael Frank Gunter KUCHNIO, Piotr |
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DocumentTitleAlternate | IMAGERIE MULTISPECTRALE SYNCHRONISÉE |
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SubjectTerms | COLORIMETRY DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING MEDICAL OR VETERINARY SCIENCE PHYSICS RADIATION PYROMETRY SURGERY TESTING |
Title | MULTISPECTRAL SYNCHRONIZED IMAGING |
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