Inspection of skin hemodynamics with hyperspectral camera
Using hyperspectral imaging techniques, which enable us to simultaneously obtain spatial and wavelength information, we have improved upon the newly developed hyperspectral camera to develop a method of observing changes in skin melanin levels and hemodynamics over time. As an evaluation of this met...
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| creator | Nagaoka, T. Eikje, N.S. Nakamura, A. Aizawa, K. Kiyohara, Y. Ichikawa, F. Yamazaki, T. Doi, M. Nakamura, K. Otsubo, S. Sota, T. |
| description | Using hyperspectral imaging techniques, which enable us to simultaneously obtain spatial and wavelength information, we have improved upon the newly developed hyperspectral camera to develop a method of observing changes in skin melanin levels and hemodynamics over time. As an evaluation of this method, we measured the skin diffuse reflectance spectrum of the human middle finger in an experiment of blood flow blockage in the brachial region. The changes in skin hemodynamics observed through this method match the behavior expected based on clinical knowledge, and also show an extremely high correlation with results obtained by the Erythema Index, which is used to make similar calculations from a limited number of wavelengths. |
| doi_str_mv | 10.1109/IEMBS.2007.4353050 |
| format | Conference Proceeding |
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As an evaluation of this method, we measured the skin diffuse reflectance spectrum of the human middle finger in an experiment of blood flow blockage in the brachial region. The changes in skin hemodynamics observed through this method match the behavior expected based on clinical knowledge, and also show an extremely high correlation with results obtained by the Erythema Index, which is used to make similar calculations from a limited number of wavelengths.</description><subject>Blood flow</subject><subject>Blood Flow Velocity - physiology</subject><subject>Dermoscopy - instrumentation</subject><subject>Dermoscopy - methods</subject><subject>Diagnosis, Computer-Assisted - instrumentation</subject><subject>Diagnosis, Computer-Assisted - methods</subject><subject>Equipment Design</subject><subject>Equipment Failure Analysis</subject><subject>Fingers</subject><subject>Fluid flow measurement</subject><subject>Hemodynamics</subject><subject>Humans</subject><subject>Hyperspectral imaging</subject><subject>Inspection</subject><subject>Photography - instrumentation</subject><subject>Photography - methods</subject><subject>Reflectivity</subject><subject>Rheology - instrumentation</subject><subject>Rheology - methods</subject><subject>Skin</subject><subject>Skin - blood supply</subject><subject>Skin Physiological Phenomena</subject><subject>Spectrum Analysis - instrumentation</subject><subject>Spectrum Analysis - methods</subject><subject>Wavelength measurement</subject><issn>1094-687X</issn><issn>1557-170X</issn><issn>1558-4615</issn><isbn>9781424407873</isbn><isbn>1424407877</isbn><isbn>9781424407880</isbn><isbn>1424407885</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2007</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><sourceid>EIF</sourceid><recordid>eNpVkN1Kw0AQRtc_bKl5AQXJCyTOZDfZ3UstVQsVL1Twrmx2Z-lqk4akUvL2BlsF52ZgzmGY-Ri7REgRQd_MZ093L2kGIFPBcw45HLFIS4UiEwKkUnDMxpjnKhEF5if_mOSnAwMtkkLJ9xGLuu4DhuJ6wOqcjVABZBKLMdPzumvIbsOmjjc-7j5DHa-o2ri-NlWwXbwL21W86htqf7zWrGNrKmrNBTvzZt1RdOgT9nY_e50-Jovnh_n0dpEEztU2oUKRU6XR1ujhtLIE74zzaKxCAgQOgnjmSLiMo-Aeh3EprbfkC2c88gm73u9tvsqK3LJpQ2Xafvn7wyBc7YVARH_4EBr_BnvyWfE</recordid><startdate>20070101</startdate><enddate>20070101</enddate><creator>Nagaoka, T.</creator><creator>Eikje, N.S.</creator><creator>Nakamura, A.</creator><creator>Aizawa, K.</creator><creator>Kiyohara, Y.</creator><creator>Ichikawa, F.</creator><creator>Yamazaki, T.</creator><creator>Doi, M.</creator><creator>Nakamura, K.</creator><creator>Otsubo, S.</creator><creator>Sota, T.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope></search><sort><creationdate>20070101</creationdate><title>Inspection of skin hemodynamics with hyperspectral camera</title><author>Nagaoka, T. ; 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As an evaluation of this method, we measured the skin diffuse reflectance spectrum of the human middle finger in an experiment of blood flow blockage in the brachial region. The changes in skin hemodynamics observed through this method match the behavior expected based on clinical knowledge, and also show an extremely high correlation with results obtained by the Erythema Index, which is used to make similar calculations from a limited number of wavelengths.</abstract><cop>United States</cop><pub>IEEE</pub><pmid>18002716</pmid><doi>10.1109/IEMBS.2007.4353050</doi><tpages>5</tpages></addata></record> |
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| ispartof | 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2007, Vol.2007, p.3357-3361 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Blood flow Blood Flow Velocity - physiology Dermoscopy - instrumentation Dermoscopy - methods Diagnosis, Computer-Assisted - instrumentation Diagnosis, Computer-Assisted - methods Equipment Design Equipment Failure Analysis Fingers Fluid flow measurement Hemodynamics Humans Hyperspectral imaging Inspection Photography - instrumentation Photography - methods Reflectivity Rheology - instrumentation Rheology - methods Skin Skin - blood supply Skin Physiological Phenomena Spectrum Analysis - instrumentation Spectrum Analysis - methods Wavelength measurement |
| title | Inspection of skin hemodynamics with hyperspectral camera |
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