Local covariance filtering for color images

Keiichiro Shirai, Masahiro Okuda, Takao Jinno, Masayuki Okamoto, Masaaki Ikehara

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this paper, we introduce a novel edge-aware filter that manipulates the local covariances of a color image. A covariance matrix obtained at each pixel is decomposed by the singular value decomposition (SVD), then diagonal eigenvalues are filtered by characteristic control functions. Our filter form generalizes a wide class of edge-aware filters. Once the SVDs are calculated, users can control the filter characteristic graphically by modifying the curve of the characteristic control functions, just like tone curve manipulation while seeing a result in real-time. We also introduce an efficient iterative calculation of the pixel-wise SVD which is able to significantly reduce its execution time.

Original languageEnglish
Title of host publicationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Pages406-417
Number of pages12
Volume7727 LNCS
EditionPART 4
DOIs
Publication statusPublished - 2013
Event11th Asian Conference on Computer Vision, ACCV 2012 - Daejeon, Korea, Republic of
Duration: 2012 Nov 52012 Nov 9

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
NumberPART 4
Volume7727 LNCS
ISSN (Print)03029743
ISSN (Electronic)16113349

Other

Other11th Asian Conference on Computer Vision, ACCV 2012
CountryKorea, Republic of
CityDaejeon
Period12/11/512/11/9

Fingerprint

Singular value decomposition
Color Image
Filtering
Filter
Color
Control Function
Pixels
Characteristic Function
Pixel
Covariance matrix
Curve
Execution Time
Manipulation
Eigenvalue
Real-time
Generalise

ASJC Scopus subject areas

  • Computer Science(all)
  • Theoretical Computer Science

Cite this

Shirai, K., Okuda, M., Jinno, T., Okamoto, M., & Ikehara, M. (2013). Local covariance filtering for color images. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (PART 4 ed., Vol. 7727 LNCS, pp. 406-417). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 7727 LNCS, No. PART 4). https://doi.org/10.1007/978-3-642-37447-0_31

Local covariance filtering for color images. / Shirai, Keiichiro; Okuda, Masahiro; Jinno, Takao; Okamoto, Masayuki; Ikehara, Masaaki.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 7727 LNCS PART 4. ed. 2013. p. 406-417 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 7727 LNCS, No. PART 4).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shirai, K, Okuda, M, Jinno, T, Okamoto, M & Ikehara, M 2013, Local covariance filtering for color images. in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 4 edn, vol. 7727 LNCS, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), no. PART 4, vol. 7727 LNCS, pp. 406-417, 11th Asian Conference on Computer Vision, ACCV 2012, Daejeon, Korea, Republic of, 12/11/5. https://doi.org/10.1007/978-3-642-37447-0_31
Shirai K, Okuda M, Jinno T, Okamoto M, Ikehara M. Local covariance filtering for color images. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 4 ed. Vol. 7727 LNCS. 2013. p. 406-417. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); PART 4). https://doi.org/10.1007/978-3-642-37447-0_31
Shirai, Keiichiro ; Okuda, Masahiro ; Jinno, Takao ; Okamoto, Masayuki ; Ikehara, Masaaki. / Local covariance filtering for color images. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 7727 LNCS PART 4. ed. 2013. pp. 406-417 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); PART 4).
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