UM
A color image enhancement algorithm based on quaternion representation of vector rotation
Fangnian Lang4; Jiliu Zhou1; Yuan Yan Tang2; Zhaowei Shang3
2015-09-17
Source PublicationInternational Journal of Wavelets, Multiresolution and Information Processing
ISSN0219-6913
Volume13Issue:5
Abstract

Detail enhancement of color images is required in many applications. Unsharp masking (UM) is the most classical tool for detail enhancement. Many generalizing UM approaches have been proposed, for example, the rational UM technique, the cubic unsharp technique, the adaptive UM technique and so on. For color images, these algorithms have three steps: (a) Implement the color2gray step; (b) design an extracting method of high frequency information (HFI) based on the luminance component (LC); (c) complete the enhancing process utilizing the HFI. However, using only the HFI of the LC may lose the HFI of the chrominance component (CC). This paper proposes a quaternion based detail enhancement algorithm to extract details of the color image using both of the luminance and CCs. The proposed algorithm is designed to address three tasks: (1) designing an extraction method of the color high frequency information (CHFI) based on quaternion description of the 3D vector rotation; (2) performing an effective fusion strategy of the CHFI and the gray high frequency information (GHFI); (3) designing a quaternion based measure method of the local dynamic range, based on which the enhancement coefficients of the proposed algorithm can be determined. The performance of the proposed algorithm compares favorably with many other similar enhancement algorithms. The eight parameters can be adjusted to control the sharpness to produce the desired results, which makes the proposed algorithm practically useful.

KeywordColor Texture Image Enhancement Quaternion Algebra Unsharp Masking Technique Vector Rotation
DOIhttps://doi.org/10.1142/S0219691315500381
URLView the original
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Mathematics
WOS SubjectComputer Science, Software Engineering ; Mathematics, Interdisciplinary Applications
WOS IDWOS:000362883000008
PublisherWORLD SCIENTIFIC PUBL CO PTE LTD, 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.College of Computer Science, Chengdu University Chengdu City, 610106, P. R. China
2.College of Computer Science, Sichuan University Chengdu City, 610065, P. R. China
3.College of Science and Technology University of Macau, Macau, P. R. China
4.College of Computer Science, Chongqing University Chongqing City, 400044, P. R. China
Recommended Citation
GB/T 7714
Fangnian Lang,Jiliu Zhou,Yuan Yan Tang,et al. A color image enhancement algorithm based on quaternion representation of vector rotation[J]. International Journal of Wavelets, Multiresolution and Information Processing,2015,13(5).
APA Fangnian Lang,Jiliu Zhou,Yuan Yan Tang,&Zhaowei Shang.(2015).A color image enhancement algorithm based on quaternion representation of vector rotation.International Journal of Wavelets, Multiresolution and Information Processing,13(5).
MLA Fangnian Lang,et al."A color image enhancement algorithm based on quaternion representation of vector rotation".International Journal of Wavelets, Multiresolution and Information Processing 13.5(2015).
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