Abstract

In this letter, a new subpixel rendering algorithm using the hue-saturation-intensity (HSI)-based color error analysis is proposed for matrix display devices. The proposed method converts an RGB input image into a HSI image, which is a color space based on human color perception, in order to analyze the sampling errors that are caused by subpixel rendering. Then, it computes the difference between the directionally displaced pixels and selects the direction with the minimum difference. Finally, the proposed method adaptively assigns weights to current and neighboring subpixels based on the directional difference. In experiments for various types of test images, the proposed method enhanced the average luminance sharpness by up to 0.224 and the average chrominance blending by up to 7.311 dB, as compared to the benchmark methods.

© 2014 IEEE

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  3. C. H. B. Elliott, S. Han, M. H. Im, M. Higgins, P. Higgins, M. Hong, N.-S. Roh, C. Park, K. Chung, "Co-optimization of color AMLCD sub-pixel architecture and rendering algorithms," SID Int. Symp. Dig. Tech.Papers (2002) pp. 172-175.
  4. L. Fang, O. C. Au, "Novel 2-D MMSE subpixel-based image down-sampling for matrix displays," Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (2010) pp. 986-989.
  5. S. Daly, "Analysis of subtriad addressing algorithms by visual system models," SID Int. Symp. Dig. Tech. Papers (2001) pp. 1200-1203.
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  7. J.-S. Kim, C.-S. Kim, "A filter design algorithm for sub-pixel rendering on matrix displays," Proc. Eur. Signal Process. Conf. (2007) pp. 1487-1491.
  8. L. Fang, O. C. Au, Y. Yang, W. Tang, X. Wen, "A new adaptive subpixel-based downsampling scheme using edge detection," Proc. IEEE Int. Symp. Circuits and Syst. (2009) pp. 3194-3197.
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  19. L. Fang, O. C. Au, K. Tang, A. K. Katsaggelos, "Anti-aliasing filter design for subpixel down-sampling via frequency domain analysis," IEEE Trans. Image Process. 21, 1391-1405 (2012).
  20. S.-J. Kang, "Adaptive weight allocation-based subpixel rendering algorithm," IEEE Trans. Circuits Syst. Video Technol. 24, 224-229 (2014).
  21. S.-J. Kang, "Processor-based backlight dimming using computation reduction technique," J. Display Technol. 9, 819-824 (2013).

2014 (1)

S.-J. Kang, "Adaptive weight allocation-based subpixel rendering algorithm," IEEE Trans. Circuits Syst. Video Technol. 24, 224-229 (2014).

2013 (3)

2012 (1)

L. Fang, O. C. Au, K. Tang, A. K. Katsaggelos, "Anti-aliasing filter design for subpixel down-sampling via frequency domain analysis," IEEE Trans. Image Process. 21, 1391-1405 (2012).

2011 (2)

F. Auli-Llinas, "Stationary probability model for bitplane image coding through local average of wavelet coefficients," IEEE Trans. Image Process. 20, 2153-2165 (2011).

L. Fang, O. C. Au, "Subpixel-based image down-sampling with min-max directional error for stripe display," IEEE J. Sel. Topics Signal Process. 5, 240-251 (2011).

2007 (1)

F. Auli-Llinas, J. Serra-Sagrista, "Low complexity JPEG2000 rate control through reverse subband scanning order and coding passes concatenation," IEEE Signal Process. Lett. 14, 251-254 (2007).

2003 (1)

M. A. Klompenhouwer, G. De Haan, R. A. Beuker, "Subpixel image scaling for color matrix displays," J. Soc. Inf. Display 11, 176-180 (2003).

2000 (1)

J. C. Platt, "Optimal filtering for patterned displays," IEEE Signal Process. Lett. 7, 179-181 (2000).

1982 (1)

T. Berk, L. Brownston, A. Kaufman, "A human factors study of color notation systems for computer graphics," Comm. ACM 25, 547-550 (1982).

Comm. ACM (1)

T. Berk, L. Brownston, A. Kaufman, "A human factors study of color notation systems for computer graphics," Comm. ACM 25, 547-550 (1982).

IEEE J. Sel. Topics Signal Process. (1)

L. Fang, O. C. Au, "Subpixel-based image down-sampling with min-max directional error for stripe display," IEEE J. Sel. Topics Signal Process. 5, 240-251 (2011).

IEEE Signal Process. Lett. (2)

J. C. Platt, "Optimal filtering for patterned displays," IEEE Signal Process. Lett. 7, 179-181 (2000).

F. Auli-Llinas, J. Serra-Sagrista, "Low complexity JPEG2000 rate control through reverse subband scanning order and coding passes concatenation," IEEE Signal Process. Lett. 14, 251-254 (2007).

IEEE Trans. Circuits Syst. Video Technol. (1)

S.-J. Kang, "Adaptive weight allocation-based subpixel rendering algorithm," IEEE Trans. Circuits Syst. Video Technol. 24, 224-229 (2014).

IEEE Trans. Image Process. (2)

F. Auli-Llinas, "Stationary probability model for bitplane image coding through local average of wavelet coefficients," IEEE Trans. Image Process. 20, 2153-2165 (2011).

L. Fang, O. C. Au, K. Tang, A. K. Katsaggelos, "Anti-aliasing filter design for subpixel down-sampling via frequency domain analysis," IEEE Trans. Image Process. 21, 1391-1405 (2012).

J. Display Technol. (3)

J. Soc. Inf. Display (1)

M. A. Klompenhouwer, G. De Haan, R. A. Beuker, "Subpixel image scaling for color matrix displays," J. Soc. Inf. Display 11, 176-180 (2003).

Other (10)

C. Betrisey, J. F. Blinn, B. Dresevic, B. Hill, G. Hitchcock, B. Keely, D. P. Mitchell, J. C. Platt, T. Whitted, "Displaced filtering for patterned displays," SID Int. Symp. Dig. Tech. Papers (2000) pp. 296-301.

C. H. B. Elliott, S. Han, M. H. Im, M. Higgins, P. Higgins, M. Hong, N.-S. Roh, C. Park, K. Chung, "Co-optimization of color AMLCD sub-pixel architecture and rendering algorithms," SID Int. Symp. Dig. Tech.Papers (2002) pp. 172-175.

L. Fang, O. C. Au, "Novel 2-D MMSE subpixel-based image down-sampling for matrix displays," Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (2010) pp. 986-989.

S. Daly, "Analysis of subtriad addressing algorithms by visual system models," SID Int. Symp. Dig. Tech. Papers (2001) pp. 1200-1203.

T. Carron, P. Lambert, "Color edge detector using jointly hue, saturation and intensity," Proc. IEEE Int. Conf. Image Process. (1994) pp. 977-981.

“Kodak Lossless True Color Image Suite,” http://r0k.us/graphics/kodak/ Accessed: Sep. 9, 2013..

ISO12640-1, ISO12640-2, and ISO12640-3 http://www.iso.org/ Accessed: Sep. 9, 2013..

K. N. Plataniotis, A. N. Venetsanopoulos, Color Image Process. and Applications (Springer-Verlag, 2000).

J.-S. Kim, C.-S. Kim, "A filter design algorithm for sub-pixel rendering on matrix displays," Proc. Eur. Signal Process. Conf. (2007) pp. 1487-1491.

L. Fang, O. C. Au, Y. Yang, W. Tang, X. Wen, "A new adaptive subpixel-based downsampling scheme using edge detection," Proc. IEEE Int. Symp. Circuits and Syst. (2009) pp. 3194-3197.

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