A New Tongue Colorchecker Design by Space Representation for Precise Correction

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A New Tongue Colorchecker Design by Space Representation for Precise Correction

Wang, Xingzheng - Nama Orang; Zhang, David - Nama Orang;

Abstract—Inordertoimprovethecorrectionaccuracyontongue colorsbyuseofaMunsellcolorchecker,thisresearchaimstodesign a new colorchecker by aid of tongue color space. Three essential issues leading to the development of this space-based colorchecker areelaboratelyinvestigatedinthisstudy.First,basedonalargeand comprehensive tongue database, tongue color space is established bywhichallvisiblecolorscanbeclassiﬁedastongueornontongue colors. Hence, colors of the designed tongue colorchecker are selected from tongue colors to achieve high correction performance. Second, the minimum sufﬁcient number of colors involved in a colorchecker is yielded by comparing the correction accuracy when different number (ranged from 10 to 200) of colors are contained. Thereby, 24 colors are included because the obtained minimum number of colors is 20. Finally, criteria for optimal color selection and its corresponding objective function are presented. Two color selection methods, i.e., greedy and clustering-based selection method,areproposedtosolvetheobjectivefunction.Experimental resultsshowthatclustering-basedoneoutperformsitscounterpart to generate the new tongue colorchecker. Compared to a Munsell colorchecker, this proposed space-based colorchecker can greatly improve the correction accuracy by 48%. Further experimental results on more correction task also validate its effectiveness and superiority.

Index Terms—Optimal color selection, precise color correction, tongue colorchecker, tongue color space.

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Informasi Detail

Judul Seri: -
No. Panggil: -
Penerbit: : IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS., 2013
Deskripsi Fisik: IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS, VOL. 17, NO. 2, MARCH 2013 p. 381-391
Bahasa: English
ISBN/ISSN: 2168-2194
Klasifikasi: NONE
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Edisi: -
Subjek: KEDOKTERAN-ALAT DAN PERLENGKAPAN
Info Detail Spesifik: -
Pernyataan Tanggungjawab: Xingzheng Wang, and David Zhang

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A New Tongue Colorchecker Design by Space Representation for Precise Correction

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