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Diagonal Direct Sub Pixel based Down Sampling Filter for Antialiasing the Image

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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 139 - Number 5
Year of Publication: 2016
Authors:
Prachi Rohit Rajarapollu, Vijay R. Mankar
10.5120/ijca2016909163

Prachi Rohit Rajarapollu and Vijay R Mankar. Article: Diagonal Direct Sub Pixel based Down Sampling Filter for Antialiasing the Image. International Journal of Computer Applications 139(5):34-38, April 2016. Published by Foundation of Computer Science (FCS), NY, USA. BibTeX

@article{key:article,
	author = {Prachi Rohit Rajarapollu and Vijay R. Mankar},
	title = {Article: Diagonal Direct Sub Pixel based Down Sampling Filter for Antialiasing the Image},
	journal = {International Journal of Computer Applications},
	year = {2016},
	volume = {139},
	number = {5},
	pages = {34-38},
	month = {April},
	note = {Published by Foundation of Computer Science (FCS), NY, USA}
}

Abstract

A solitary sensor advanced camera needs demosaicing to remake a full shading picture. To demonstrate the high determination picture on the lower determination show, it should then be down examined. Demosaicing and down-sampling are the two stages that impact one another. To begin with is, the shading bordering curios present in demosaicing might be seem bigger in consequent down-inspecting process. Then again, the subtle element evacuated amid the down-examining can't be recuperated in the demosaicing. Thus, it is vital to consider the demosaicing and down-examining handle at the same time. In this paper, utilization of recurrence space investigation to clarify what happens in sub pixel-based down inspecting and why it is conceivable to accomplish a higher obvious determination is done. By recurrence space investigation and perception, the cut off recurrence of the low-pass channel for sub pixel-based obliteration can be successfully developed past the Nyquist recurrence utilizing a novel against associating channel. Applying the proposed channels to two existing sub pixel down inspecting plans called direct sub pixel-based down sampling (DSD) and corner to corner DSD (DDSD), we get two enhanced plans, i.e., DSD in based on frequency -domain analysis(DSD-FA) and DDSD in view of recurrence area examination (DDSD-FA). Trial results check that the proposed DSD-FA and DDSD-FA can give predominant results, contrasted and existing sub pixel or pixel-based down examining techniques.

References

  1. Y. Amano, “A flat-panel TV display system in monochrome and color,” IEEE Trans. Electron. Devices, vol. ED-22, no. 1, pp. 1–7, Jan. 1975.
  2. T. Benzschawel and W. E. Howard, “Method of and apparatus for displaying a multicolor image,” U.S. Patent 5 341 153, Aug. 23, 1994.
  3. L. M. Chen and S. Hasegawa, “Influence of pixel-structure noise on image resolution and color for matrix display devices,” J. Soc. Inf. Display, vol. 1, no. 1, pp. 103–110, Jan. 1993.
  4. P. Barten, “Effects of quantization and pixel structure on the image quality of color matrix displays,” in Proc. IEEE Int. Conf. Display Res., 1991, pp. 167–170.
  5. ClearType information [Online]. Available: http://www.microsoft. com/typography/cleartypeinfo.mspx.
  6. S. Gibson, Sub-pixel font rendering technology [Online]. Available: http://www.grc.com/cleartype.htm.
  7. M. A. Klompenhouwer, G. De Haan, and R. A. Beuker, “Subpixel image scaling for color matrix displays,” J. Soc. Inf. Display, vol. 11, no. 1, pp. 99–108, Mar. 2003.
  8. J.-S. Kim and C.-S. Kim, “A filter design algorithm for subpixel rendering on matrix displays,” in Proc. 15th EUSIPCO, 2007, pp. 1487–1491.
  9. S. Daly, “Analysis of subtriad addressing algorithms by visual system models,” in SID Int. Symp. Digest Tech. Papers, 2001, vol. 32, pp. 1200–1203.
  10. R. C. Gonzalez and E. W. Richard, Digital Image Processing. Englewood Cliffs, NJ: Prentice-Hall, 2005.
  11. P. S. R. Diniz, Digital Signal Processing. Cambridge, U.K.: Cambridge Univ. Press, 2010.
  12. J. C. Platt, “Optimal filtering for patterned displays,” IEEE Signal Process. Lett., vol. 7, no. 7, pp. 179–181, Jul. 2000.
  13. C. Betrisey, J. F. Blinn, B. Dresevic, B. Hill, G. Hitchcock, B. Keely, D. P. Mitchell, J. C. Platt, and T. Whitted, “Displaced filtering for patterned displays,” in Proc. SID Int. Symp. Digest Tech. Papers, 2000, vol. 31, pp. 296–301.
  14. D. S. Messing and S. Daly, “Improved display resolution of subsampled colour images using subpixel addressing,” in Proc. IEEE ICIP, 2002, vol. 1, pp. I-625–I-628.
  15. D. S. Messing, L. Kerofsky, and S. Daly, “Subpixel rendering on nonstriped colour matrix displays,” in Proc. IEEE ICIP, 2003, vol. 2, pp. II-949–II-952.
  16. S. J. Daly and R. R. K. Kovvuri, “Methods and systems for improving display resolution in images using subpixel sampling and visual error filtering,” U.S. Patent 09/735 424, Aug. 19, 2000.

Keywords

Down sampling, frequency analysis, sub pixel rendering.