2008 2nd International Conference on Bioinformatics and Biomedical Engineering 2008
DOI: 10.1109/icbbe.2008.978
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Hyperspectral Tongue Imaging System Used in Tongue Diagnosis

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Cited by 9 publications
(5 citation statements)
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“…A 3CCD camera and hyperspectral imaging are specialized for color image acquisition, and they have thus been adopted in TDSs. Li et al 31 and Yamamoto et al 3 developed hyperspectral imaging TDSs, but they did not use the ColorChecker for color correction. Because the hyperspectral imaging systems are capable of acquiring both spatial and spectral information, the color correction can be performed by normalization procedure in the spectral domain.…”
Section: Discussionmentioning
confidence: 99%
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“…A 3CCD camera and hyperspectral imaging are specialized for color image acquisition, and they have thus been adopted in TDSs. Li et al 31 and Yamamoto et al 3 developed hyperspectral imaging TDSs, but they did not use the ColorChecker for color correction. Because the hyperspectral imaging systems are capable of acquiring both spatial and spectral information, the color correction can be performed by normalization procedure in the spectral domain.…”
Section: Discussionmentioning
confidence: 99%
“… First author (y) ref. Advantages Disadvantages Cai (2002) 2 Using a ColorChecker for color correction Low image resolution (640 × 480) No illuminator Yamamoto (2011) 3 Hyperspectral imaging for the tongue image acquisition Using an artificial sunlight lamp as a light source Adopted multiple scattering reflection technique to the light source in order to reduce specular reflection Using a semi-closed box to avoid other unexpected light Low image resolution (640 × 480) No color correction method Jeon (2008) 6 A diffusing acrylic with the LED lighting to reduce specular reflection A ColorChecker for color correction High image resolution with a long focal length Using a fully closed box to avoid other unexpected light Low color temperature of the light source Wang (2005) 8 Using several consistent color patches for color calibration to keep the consistency of the colors transmitted from camera to monitor Using a fully closed box Jiang (2008) 9 High-quality digital camera with a 7.2 megapixel resolution A ColorChecker for color correction No illuminator Zhang (2005) 10 Using an optical fiber as a waveguide to compensate for the high heat emission of the light source Potable face contact region No color correction method Meiling (2008) 11 Portable type system Low color temperature of the light source Li (2008) 31 Hyperspectral imaging for the tongue image acquisition Low image resolution (652 × 620) No color correction method Liu (2011) 34 3D image system for 3D tongue modeling High image resolution No color correction method …”
Section: Methodsmentioning
confidence: 99%
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“…Automation of tongue analysis system essentially requires an image capturing device with high resolution images for accurate extraction of tongue features for disease predictions in agreement with the traditional medicine practitioners. Different imaging setups are explored using high end CCD cameras [3][4][5][6][7][8][9], Hyperspectral cameras [10][11][12][13][14][15][16] to smartphone cameras [17][18][19][20][21][22][23][24]. Tongue region needs to be segmented from the images captured which consist of teeth lips skin area before feature extraction and classification.…”
Section: Related Workmentioning
confidence: 99%
“…Artificially, this can be generated with a source with a colour rendering index greater than ninety and a colour temperature around 5000 K. The automation of tongue analysis systems essentially requires an image-capturing device with high-resolution images for accurate extraction of tongue features for disease predictions, in agreement with traditional medicine practitioners. Researchers explore various imaging setups using high-end CCD cameras [3][4][5][6][7][8][9], hyperspectral cameras [10][11][12][13][14][15][16], and smartphone cameras [17][18][19][20][21][22][23][24]. Before feature extraction and classification, it is necessary to segment the tongue region from the captured images, which include teeth, lips, and skin areas.…”
Section: Related Workmentioning
confidence: 99%