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题名: Comparing methods for compressing spectral reflectance
作者: Li ZJ(李长军) ; Luo, MR
作者部门: 先进制造技术研究室
会议名称: 2nd European Conference on Color in Graphics, Imaging, and Vision/6th International Symposium on Multispectral Color Science
会议日期: April 5-8, 2004
会议地点: Aachen, GERMANY
会议主办者: Soc Imaging Sci & Technol, Comit Espanol Color, Danish Color Grp, European Federat Sci Image, French Color Imaging Grp, German Color Grp, German Soc Color Sci & Applicat, Hungarian Natl Colour Comm, Swedish Colour Ctr Fdn, Colour Grp Great Britain, Flemish Innovat Ctr Graph Commun, Colour Grp S Africa Opt Soc, Royal Photograph Soc Great Britain
会议录: CGIV 2004: SECOND EUROPEAN CONFERENCE ON COLOR IN GRAPHICS, IMAGING, AND VISION - CONFERENCE PROCEEDINGS
会议录出版者: SOCIETY IMAGING SCIENCE TECHNOLOGY
会议录出版地: SPRINGFIELD
出版日期: 2004
页码: 364-367
收录类别: CPCI(ISTP) ; EI
ISBN号: 0-89208-250-X
摘要: In this paper, two methods for compressing reflectance spectra are developed and compared with the vector subspace method. One is based upon multiple illuminants. The other is the abridgement of reflectance based on spectra interpolation. The performance of each method is measured using the CIELAB colour difference between the original and the predicted results from each method. The results showed that the multi-illuminant method is more accurate and results in exact match under the illuminants used. While the abridgement method is slightly less accurate, but has a major advantage for no need of decompression. Its compressed reflectance can be directly used for computing tristimulus values, hence for reconstructing the image. The compressed reflectance vector has much less components than those of original. Therefore, the reconstruction time is less than the multiilluminant method.
语种: 英语
产权排序: 1
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/8224
Appears in Collections:工业信息学研究室_先进制造技术研究室_会议论文

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Recommended Citation:
李长军; Luo, MR.Comparing methods for compressing spectral reflectance.见:SOCIETY IMAGING SCIENCE TECHNOLOGY.CGIV 2004: SECOND EUROPEAN CONFERENCE ON COLOR IN GRAPHICS, IMAGING, AND VISION - CONFERENCE PROCEEDINGS,SPRINGFIELD,2004,364-367
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