American Institute of Mathematical Sciences

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August  2020, 14(4): 733-755. doi: 10.3934/ipi.2020034

Saturation-Value Total Variation model for chromatic aberration correction

Wei Wang 1, , Ling Pi 2,, and  Michael K. Ng 3,

1. 

School of Mathematical Sciences, Tongji University, Shanghai, China
2. 

School of Mathematical Sciences, Shanghai Jiao Tong University, Shanghai, China
3. 

Department of Mathematics, The University of Hong Kong, Pokfulam, Hong Kong

* Corresponding author: Ling Pi

Received  September 2019 Revised  February 2020 Published  May 2020

Fund Project: Wei Wang is supported by Natural Science Foundation of Shanghai and Fundamental Research Funds for the Central Universities of China (22120180255, 22120180067), Michael K. Ng is supported in part by the HKRGC GRF 12306616, 12200317, 12300218 and 12300519

Chromatic aberration generally occurs in the regions of sharp edges in captured digital color images. The main aim of this paper is to propose and develop a novel Saturation-Value Total Variation (SVTV) model for chromatic aberration correction. In the proposed optimization model, there are three terms for the correction purpose. The SVTV regularization term is to model the target color image in HSV color space instead of RGB color space, and to avoid oscillations in the recovering process. In correction process, the gradient matching terms based on the green component are used to govern both red and blue components, and the intensity terms are employed to fit red, green and blue data components. The existence of the minimizer of the optimization model is analyzed and an efficient optimization algorithm is also developed for solving the resulting variational problem. Experimental results are presented to illustrate the effectiveness of the proposed model and to show that the correction results are better than those by using the other testing methods.

Keywords: Chromatic aberration correction, saturation and value components, total variation, regularization.
Mathematics Subject Classification: Primary: 65J22, 65K10, 68U10; Secondary: 65K15.
Citation: Wei Wang, Ling Pi, Michael K. Ng. Saturation-Value Total Variation model for chromatic aberration correction. Inverse Problems & Imaging, 2020, 14 (4) : 733-755. doi: 10.3934/ipi.2020034
References:
[1]

G. Aubert and P. Kornprobst, Mathematical Problems in Image Processing, Springer-Verlag, New York, 2002.  Google Scholar

[2]

B. E. Bayer, Color Imaging Array, U.S. Patent No. 3971065, 1976. Google Scholar

[3]

T. E. Boult and G. Wolberg, Correcting chromatic aberrations using image warping, in Proceedings 1992 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 1992,684–687. Google Scholar

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J. Chang, H. Kang and M. G. Kang, Correction of axial and lateral chromatic aberration with false color filtering, IEEE Trans. Image Process., 22 (2013), 1186-1198.  doi: 10.1109/TIP.2012.2228489.  Google Scholar

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[7]

Z. Jia, M. K. Ng and W. Wang, Color image restoration by saturation-value (SV) total variation, SIAM J. Imaging Sci., 12 (2019), 972-1000.  doi: 10.1137/18M1230451.  Google Scholar

[8]

S. B. Kang, Automatic removal of chromatic aberration from a single image, in 2007 IEEE Conference on Computer Vision and Pattern Recognition, 2007, 1–8. Google Scholar

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H. Kang, S.-H. Lee, J. Chang and M. G. Kang, Partial differential equation-based approach for removal of chromatic aberration with local characteristics, J. of Electronic Imaging, 19 (2010), 1-8.   Google Scholar

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[11]

H. K. Kelda and P. Kaur, A review: Color models in image processing, Int. J. Computer Technology and Applications, 5 (2014), 319-322.   Google Scholar

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B. Kim and R. Park, Automatic detection and correction of purple fringing using the gradient information and desaturation, in Proc. 16th Eur. Signal Process. Conf., Oct., 2008, 1–5. Google Scholar

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R. Kimmel, Demosaicing: Image reconstruction from color CCD samples, IEEE Trans. Image Process., 8 (1999), 1221-1228.   Google Scholar

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H. Kour, Analysis on image color model, International Journal of Advanced Research in Computer and Communication Engineering, 4 (2015), 1-3.   Google Scholar

[15]

P. B. Kruger, S. Mathews, K. R. Aggarwala and N. Sanchez, Chromatic aberration and ocular focus: Fincham revisited, Vision Research, 33 (1993), 1397-1411.  doi: 10.1016/0042-6989(93)90046-Y.  Google Scholar

[16]

J. Mallon and P. F. Whelan, Calibration and removal of lateral chromatic aberration in images, Pattern Recognition Letters, 28 (2007), 125-135.  doi: 10.1016/j.patrec.2006.06.013.  Google Scholar

[17]

D. H. Marimont and B. A. Wandell, Matching color images: The effects of axial chromatic aberration, Journal of the Optical Society of America A, 11 (1994), 3113-3122.  doi: 10.1364/JOSAA.11.003113.  Google Scholar

[18]

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[19] P. Mouroulis and J. Macdonald, Geometrical Optics and Optical Design, 1$^{st}$ edition, Oxford U. Press, New York, 1997.   Google Scholar
[20]

L. Pi, W. Wang and M. Ng, A spatially variant total variational model for chromatic aberration correction, Journal of Visual Communication and Image Representation, 41 (2016), 296-304.  doi: 10.1016/j.jvcir.2016.10.009.  Google Scholar

[21]

L. N. Thibos, A. Bradley, D. L. Still, X. Zhang and P. A. Howarth, Theory and measurement of ocular chromatic aberration, Vision Research, 30 (1990), 33-49.  doi: 10.1016/0042-6989(90)90126-6.  Google Scholar

[22]

R. G. Willson and S. A. Shafer, Active lens control for high precision computer imaging, IEEE International Conference on Robotics and Automation, 3 (1991), 2063-2070.  doi: 10.1109/ROBOT.1991.131931.  Google Scholar

[23]

X. Zhang and B. A. Wandell, A spatial extension of CIELAB for digital color-image reproduction, Journal of the Society for Information Display, 5 (1997), 61-63.  doi: 10.1889/1.1985127.  Google Scholar

show all references

References:
[1]

G. Aubert and P. Kornprobst, Mathematical Problems in Image Processing, Springer-Verlag, New York, 2002.  Google Scholar

[2]

B. E. Bayer, Color Imaging Array, U.S. Patent No. 3971065, 1976. Google Scholar

[3]

T. E. Boult and G. Wolberg, Correcting chromatic aberrations using image warping, in Proceedings 1992 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 1992,684–687. Google Scholar

[4]

J. Chang, H. Kang and M. G. Kang, Correction of axial and lateral chromatic aberration with false color filtering, IEEE Trans. Image Process., 22 (2013), 1186-1198.  doi: 10.1109/TIP.2012.2228489.  Google Scholar

[5]

D. Gabay and B. Mercier, A dual algorithm for the solution of nonlinear variational problems via finite element approximation, Comput. Math. Appl., 2 (1976), 17-40.   Google Scholar

[6]

N. A. Ibraheem, M. M. Hasan, R. Z. Khan and P. K. Mishra, Understanding color models: A review, ARPN Journal of Science and Technology, 2 (2012), 265-275.   Google Scholar

[7]

Z. Jia, M. K. Ng and W. Wang, Color image restoration by saturation-value (SV) total variation, SIAM J. Imaging Sci., 12 (2019), 972-1000.  doi: 10.1137/18M1230451.  Google Scholar

[8]

S. B. Kang, Automatic removal of chromatic aberration from a single image, in 2007 IEEE Conference on Computer Vision and Pattern Recognition, 2007, 1–8. Google Scholar

[9]

H. Kang, S.-H. Lee, J. Chang and M. G. Kang, Partial differential equation-based approach for removal of chromatic aberration with local characteristics, J. of Electronic Imaging, 19 (2010), 1-8.   Google Scholar

[10]

V. Kaufmann and R. Ladstädter, Elimination of color fringes in digital photographs caused by lateral chromatic aberration, in Proc. 20th Int. Comm. Int. Photogramm. Archit. Symp. Conf., Oct., 2005, 1–6. Google Scholar

[11]

H. K. Kelda and P. Kaur, A review: Color models in image processing, Int. J. Computer Technology and Applications, 5 (2014), 319-322.   Google Scholar

[12]

B. Kim and R. Park, Automatic detection and correction of purple fringing using the gradient information and desaturation, in Proc. 16th Eur. Signal Process. Conf., Oct., 2008, 1–5. Google Scholar

[13]

R. Kimmel, Demosaicing: Image reconstruction from color CCD samples, IEEE Trans. Image Process., 8 (1999), 1221-1228.   Google Scholar

[14]

H. Kour, Analysis on image color model, International Journal of Advanced Research in Computer and Communication Engineering, 4 (2015), 1-3.   Google Scholar

[15]

P. B. Kruger, S. Mathews, K. R. Aggarwala and N. Sanchez, Chromatic aberration and ocular focus: Fincham revisited, Vision Research, 33 (1993), 1397-1411.  doi: 10.1016/0042-6989(93)90046-Y.  Google Scholar

[16]

J. Mallon and P. F. Whelan, Calibration and removal of lateral chromatic aberration in images, Pattern Recognition Letters, 28 (2007), 125-135.  doi: 10.1016/j.patrec.2006.06.013.  Google Scholar

[17]

D. H. Marimont and B. A. Wandell, Matching color images: The effects of axial chromatic aberration, Journal of the Optical Society of America A, 11 (1994), 3113-3122.  doi: 10.1364/JOSAA.11.003113.  Google Scholar

[18]

D. Martin, C. Fowlkes, D. Tal and J. Malik, A Database of human segmented natural images and its application to evaluating segmentation algorithms and measuring ecological statistics, Proceedings of IEEE International Conference on Computer Vision (ICCV) 2001, 2 (2001), 416-423.  doi: 10.1109/ICCV.2001.937655.  Google Scholar

[19] P. Mouroulis and J. Macdonald, Geometrical Optics and Optical Design, 1$^{st}$ edition, Oxford U. Press, New York, 1997.   Google Scholar
[20]

L. Pi, W. Wang and M. Ng, A spatially variant total variational model for chromatic aberration correction, Journal of Visual Communication and Image Representation, 41 (2016), 296-304.  doi: 10.1016/j.jvcir.2016.10.009.  Google Scholar

[21]

L. N. Thibos, A. Bradley, D. L. Still, X. Zhang and P. A. Howarth, Theory and measurement of ocular chromatic aberration, Vision Research, 30 (1990), 33-49.  doi: 10.1016/0042-6989(90)90126-6.  Google Scholar

[22]

R. G. Willson and S. A. Shafer, Active lens control for high precision computer imaging, IEEE International Conference on Robotics and Automation, 3 (1991), 2063-2070.  doi: 10.1109/ROBOT.1991.131931.  Google Scholar

[23]

X. Zhang and B. A. Wandell, A spatial extension of CIELAB for digital color-image reproduction, Journal of the Society for Information Display, 5 (1997), 61-63.  doi: 10.1889/1.1985127.  Google Scholar

Figure 1.  First row: The ground-truth image; Second row: the CA image; Third row: the CA correction image by using the local PDE method [9]; Forth row: the CA correction image by using the TV method [20] with $ \mu = 45 $; Fifth row: the CA corrected image by using the proposed method with $ \mu = 20 $. Note that the intensity values of red, green and blue colors are shown in line profile images
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Figure 2.  First row: The ground-truth image; Second row: the CA image; Third row: the CA correction image by using the local PDE method [9]; Forth row: the CA correction image by using the TV method $ \mu = 45 $ [20]; Fifth row: the CA corrected image by using the proposed method $ \mu = 20 $. Note that the intensity values of red, green and blue colors are shown in line profile images
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Figure 3.  First row: CA image, Ground-truth, zooming parts; First column (except first row): the restored results by using TV-CAC model with $ \mu = 5, 10, 15, 20, 25 $; Second column (except first row): the restored results by using SVTV-CAC model with $ \mu = 5, 10, 15, 20, 25 $; Third column (except first row): zooming parts of the restored results by using TV-CAC model; Forth column (except first row): zooming parts of the restored results by using SVTV-CAC model
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Figure 4.  Measure distribution
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Figure 5.  From left to right: ground-truth image, CA image, the restored results by using PDE model, the restored results by using TV-CAC model $ \mu = 1 $, the restored results by using SVTV-CAC model $ \mu = 20 $. Second row: the corresponding zooming parts. Third row: S-CIELAB color error distribution
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Figure 6.  From left to right: ground-truth image, CA image, the restored results by using PDE model, the restored results by using TV-CAC model $ \mu = 1 $, the restored results by using SVTV-CAC model $ \mu = 10 $. Second row: the corresponding zooming parts. Third row: S-CIELAB color error distribution
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Figure 7.  From left to right: ground-truth image, CA image, the restored results by using PDE model, the restored results by using TV-CAC model $ \mu = 5 $, the restored results by using SVTV-CAC model $ \mu = 15 $. Second row: the corresponding zooming parts. Third row: S-CIELAB color error distribution
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Figure 8.  From left to right: ground-truth image, CA image, the restored results by using PDE model, the restored results by using TV-CAC model $ \mu = 0.5 $, the restored results by using SVTV-CAC model $ \mu = 15 $. Second row: the corresponding zooming parts. Third row: S-CIELAB color error distribution
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Figure 9.  From left to right: ground-truth image, CA image, the restored results by using PDE model, the restored results by using TV-CAC model $ \mu = 1 $, the restored results by using SVTV-CAC model $ \mu = 20 $. Second row: the corresponding zooming parts. Third row: S-CIELAB color error distribution
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Figure 10.  First row: ground-truth image and CA image; Second row: the restored results by using GW and LC1 respectively; Third row: the restored results by using LC2, FCF and SVTV-CAC respectively
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Figure 11.  First row: original real world image and zooming part; Second row: the restored results by using GW and LC1 respectively; Third row: the restored results by using LC2, and FCF respectively; Fourth row: the restored result by using SVTV-CAC
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Table 1.  Measure values with respect to $ \mu $
Figure method PSNR SSIM SCIELAB Error
1 by TV-CAC $ \mu = 30 $ 26.8443 0.9745 76557
$ \mu = 35 $ 27.5209 0.9763 69818
$ \mu = 40 $ 28.3432 0.9784 60924
$ \mu = 45 $ 28.8332 0.9796 55742
$ \mu = 50 $ 28.6660 0.9793 56195
$ \mu = 55 $ 27.9948 0.9778 58992
1 by SVTV-CAC $ \mu = 10 $ 28.9121 0.9739 62781
$ \mu = 15 $ 30.6855 0.9793 44484
$ \mu = 20 $ 32.1152 0.9824 33414
$ \mu = 25 $ 30.4036 0.9809 38666
$ \mu = 30 $ 28.7030 0.9774 47549
$ \mu = 35 $ 27.8225 0.9744 56347
2 by TV-CAC $ \mu = 25 $ 26.3643 0.9764 132157
$ \mu = 30 $ 26.4490 0.9764 129911
$ \mu = 35 $ 26.5936 0.9766 125456
$ \mu = 40 $ 26.7426 0.9765 120319
$ \mu = 45 $ 26.8504 0.9761 115719
$ \mu = 50 $ 26.8937 0.9750 111624
$ \mu = 55 $ 26.8625 0.9735 108241
$ \mu = 60 $ 26.7493 0.9712 104724
$ \mu = 65 $ 26.5678 0.9685 102599
2 by SVTV-CAC $ \mu = 10 $ 27.5949 0.9683 39666
$ \mu = 15 $ 28.0019 0.9724 33962
$ \mu = 20 $ 28.4454 0.9743 34005
$ \mu = 25 $ 28.3332 0.9738 35153
$ \mu = 30 $ 27.5742 0.9693 40700
$ \mu = 35 $ 26.4950 0.9604 47721
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Figure method PSNR SSIM SCIELAB Error
1 by TV-CAC $ \mu = 30 $ 26.8443 0.9745 76557
$ \mu = 35 $ 27.5209 0.9763 69818
$ \mu = 40 $ 28.3432 0.9784 60924
$ \mu = 45 $ 28.8332 0.9796 55742
$ \mu = 50 $ 28.6660 0.9793 56195
$ \mu = 55 $ 27.9948 0.9778 58992
1 by SVTV-CAC $ \mu = 10 $ 28.9121 0.9739 62781
$ \mu = 15 $ 30.6855 0.9793 44484
$ \mu = 20 $ 32.1152 0.9824 33414
$ \mu = 25 $ 30.4036 0.9809 38666
$ \mu = 30 $ 28.7030 0.9774 47549
$ \mu = 35 $ 27.8225 0.9744 56347
2 by TV-CAC $ \mu = 25 $ 26.3643 0.9764 132157
$ \mu = 30 $ 26.4490 0.9764 129911
$ \mu = 35 $ 26.5936 0.9766 125456
$ \mu = 40 $ 26.7426 0.9765 120319
$ \mu = 45 $ 26.8504 0.9761 115719
$ \mu = 50 $ 26.8937 0.9750 111624
$ \mu = 55 $ 26.8625 0.9735 108241
$ \mu = 60 $ 26.7493 0.9712 104724
$ \mu = 65 $ 26.5678 0.9685 102599
2 by SVTV-CAC $ \mu = 10 $ 27.5949 0.9683 39666
$ \mu = 15 $ 28.0019 0.9724 33962
$ \mu = 20 $ 28.4454 0.9743 34005
$ \mu = 25 $ 28.3332 0.9738 35153
$ \mu = 30 $ 27.5742 0.9693 40700
$ \mu = 35 $ 26.4950 0.9604 47721
Table 2.  Measure values of different models
Figure method PSNR SSIM SCIELAB Error
5 PDE 21.0142 0.9076 52054
TV 22.9057 0.9587 54186
SVTV 26.1505 0.9644 32019
6 PDE 27.2024 0.9531 24001
TV 26.6299 0.9603 50560
SVTV 27.8191 0.9611 21604
7 PDE 25.5506 0.9533 29722
TV 27.4673 0.9762 39483
SVTV 28.2084 0.9776 18815
8 PDE 24.9437 0.9389 27986
TV 27.4506 0.9787 65008
SVTV 30.0501 0.9835 9287
9 PDE 35.9356 0.9864 6197
TV 35.4925 0.9883 6444
SVTV 36.3883 0.9892 4130
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Figure method PSNR SSIM SCIELAB Error
5 PDE 21.0142 0.9076 52054
TV 22.9057 0.9587 54186
SVTV 26.1505 0.9644 32019
6 PDE 27.2024 0.9531 24001
TV 26.6299 0.9603 50560
SVTV 27.8191 0.9611 21604
7 PDE 25.5506 0.9533 29722
TV 27.4673 0.9762 39483
SVTV 28.2084 0.9776 18815
8 PDE 24.9437 0.9389 27986
TV 27.4506 0.9787 65008
SVTV 30.0501 0.9835 9287
9 PDE 35.9356 0.9864 6197
TV 35.4925 0.9883 6444
SVTV 36.3883 0.9892 4130
Table 3.  Measure values of different models
Figure method PSNR SSIM SCIELAB Error
10 CM1 26.2709 0.8654 18085
CM2 24.9585 0.8485 23807
CM3 28.2337 0.8956 13936
PM 26.3282 0.8559 15946
SVTV 31.5037 0.9450 6768
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Figure method PSNR SSIM SCIELAB Error
10 CM1 26.2709 0.8654 18085
CM2 24.9585 0.8485 23807
CM3 28.2337 0.8956 13936
PM 26.3282 0.8559 15946
SVTV 31.5037 0.9450 6768
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