Edge enhancement and image equalization by unsharp masking using self-adaptive photochromic filters

Applied Optics

Volumn 48, Issue 19, 2009, Pages 3570-3579

  Ferrari, José A ^a   Flores, Jorge L ^b   Perciante, César D ^c   Frins, Erna ^a  

^a INSTITUTO DE FÍSICA   (Uruguay)

^b UNIVERSITY OF GUADALAJARA   (Mexico)

^c UNIVERSIDAD CATÓLICA DEL URUGUAY   (Uruguay)

Author keywords

[No Author keywords available]

Indexed keywords

ADAPTIVE FILTERS; BANDPASS FILTERS; CHROMOGENICS; IMAGE PROCESSING; PHOTOCHROMISM;

ADAPTIVE CAPACITY; EDGE ENHANCEMENTS; IMAGE EQUALIZATION; INCOHERENT ILLUMINATION; ORIGINAL IMAGES; PHOTO-CHROMIC MATERIALS; PHOTOCHROMIC GLASS; UNSHARP MASKING;

EQUALIZERS;

BACTERIORHODOPSIN; GLASS;

ARTICLE; CHEMISTRY; FOURIER ANALYSIS; IMAGE ENHANCEMENT; LIGHT RELATED PHENOMENA; METHODOLOGY; PHOTOGRAPHY; SPECTROPHOTOMETRY; STATISTICS;

BACTERIORHODOPSINS; FOURIER ANALYSIS; GLASS; IMAGE ENHANCEMENT; OPTICAL PHENOMENA; PHOTOGRAPHY; SPECTROPHOTOMETRY;

EID: 67749132668     PISSN: 1559128X     EISSN: 15394522     Source Type: Journal    
DOI: 10.1364/AO.48.003570     Document Type: Article

References (33)

1. J. A. Sorenson and C. R. Mitchell, "Evaluation of optical unsharp masking and contrast enhancement of low-scatter chest radiographs," Am. J. Roentgenol. 149, 275-281 (1987).
2. P. G. Tahoces, J. Correa, M. Souto, C. Gonzalez, L. Gomez, and J. J. Vidal, "Enhancement of chest and breast radiographs by automatic spatial filtering," IEEE Trans. Med. Imaging 10, 330-335 (1991).
3. M. Schirmer, "Image processing: noise reduction/unsharp masking," http://www.astro.uni-bonn.de/~mischa/ps/unsharpmask.html.
4. S. Binnewies, "M81, M82 (wide field) in Ursa Major," http://www.capella-observatory.com/ImageHTMLs/Galaxies/M81M82.htm.
5. F. Specht, "Echte unscharfe Maskierung," http://astronomy. rainbow-serpent.de/howto/unsharpmask.html.
6. Carl Zeiss, MicroImaging GmbH, "Microscopy & Imaging," http://www.zeiss.de/c12567be0045acf1/Contents-Frame/ df26845c0814ac96c12573c9006e0a97.
7. M. W. Davidson, "Unsharp Mask Filtering," (2003), http://microscope.fsu.edu/primer/java/digitalimaging/processing/unsharpmask/.
8. D. Romeuf, "Le masque flou en imaginerie numerique," http://www.david-romeuf.fr/Publications/Amateur/MasqueFlou/mfhtml.
9. J. Phillips, "Unsharp Masking-A beginners primer," http://www.largeformatphotography.info/unsharp/.
10. S. McHugh, "Sharpening: unsharp mask," http://www. cambridgeincolour.com/tutorials/unsharp-mask.htm.
11. A. Polesel, G. Ramponi, and V. J. Mathews, "Image enhancement via adaptive unsharp masking," IEEE Trans. Image Proc. 9, 505-510 (2000).
12. J. W. Goodman, Introduction to Fourier Optics, 2nd ed. (McGraw-Hill, 1996).
13. G. O. Reynolds, J. B. DeVelis, G. B. Parrent, and B. J. Thompson, The New Physical Optics Notebook: Tutorials in Fourier Optics (SPIE Optical Engineering Press, 1989).
14. E. U. Wagemann and H.-J. Tiziani, "Spatial self-filtering using photorefractive and liquid crystals," J. Mod. Opt. 45, 1885-1897(1998).
15. C. Uhrich and L. Hesselink, "Submicrometer defect detection in periodic structures by photorefractive holography: system design and performance," Appl. Opt. 33, 744-757 (1994).
16. J. Feinberg, "Real-time edge enhancement using the photorefractive effect," Opt. Lett. 5, 330-333 (1980).
17. E. Ochoa, J. W. Goodman, and L. Hesselink, "Real-time enhancement of defects in a periodic mask using photorefractive Bi12SiO20," Opt. Lett. 10, 430-432 (1985).
18. J. Kato, I. Yamaguchi, and H. Tanaka, "Nonlinear spatial filtering with a dye-doped liquid-crystal cell," Opt. Lett. 21, 767-769 (1996).
19. C. Egami, Y. Suzuki, T. Uemori, O. Sugihara, and N. Okamoto, "Self-adaptive spatial filtering by use of azo chromophores doped in low glass-transition-temperature polymers," Opt. Lett. 22, 1424-1426 (1997).
20. T. Huang and K. H. Wagner, "Photoanisotropic incoherent-tocoherent optical conversion," Appl. Opt. 32, 1888-1900 (1993).
21. T. Okamoto, I. Yamaguchi, and K. Yamagata, "Real-time enhancement of defects in periodic patterns by use of a bacteriorhodopsin film," Opt. Lett. 22, 337-339 (1997).
22. R. Thoma, N. Hampp, and C. Brauchle, "Bacteriorhodopsin films as spatial light modulators for nonlinear-optical filtering," Opt. Lett. 16, 651-653 (1991).
23. J. A. Ferrari, E. Garbusi, E. M. Frins, and G. Píriz, "Spatial self-filtering with polarizer sheets," Appl. Opt. 44, 4510(2005).
24. T. E. Gureyev, Y. I. Nesterets, A. W. Stevenson, and S. W. Wilkins, "A method for local deconvolution," Appl. Opt. 42, 6488-6494(2003).
25. T. E. Gureyev, A. W. Stevenson, Y. I. Nesterets, and S. W. Wilkins, "Image debluring by means of defocus," Opt. Commun. 240, 81-88 (2004).
26. W. H. Armistead and S. D. Stookey "Photochromic silicate glasses sensitized by silver halides," Science 144, 150-154 (1964).
27. T. Kawamoto, R. Kikuschi, and Y. Kimura, "Photochromic glasses containing silver chloride. Part 1. Effects of glass composition on photosensitivity," and "Photochromic glasses containing silver chloride. Part 2. Effects of the addition of small amounts of oxides on photosensitivity," Phys. Chem. Glasses 17, 23-29 (1976).
28. A. V. Dotsenko, L. B. Glebov, and V. A. Tsekhomsky Physics and Chemistry of Photochromic Glasses (CRC, 1998).
29. N. Hampp, "Bacteriorhodopsin as a photochromic retinal protein for optical memories," Chem. Rev. 100, 1755-1776 (2000).
30. J. A. Ferrari and C. D. Perciante, "Two-state model of light induced activation and thermal bleaching of photochromic glasses: theory and experiments," Appl. Opt. 47, 3669-3673 (2008).
31. J. A. Ferrari and C. D. Perciante, "Two-state model of light induced activation and thermal bleaching of photochromic glasses: erratum," Appl. Opt. 47, 6879(2008).
32. I. Núñez and J. A. Ferrari, "Differential operator approach for Fourier image processing," J. Opt. Soc. Am. A 24, 2274-2279 (2007).
33. J. Lodriguss, "Catching the light. Real digital unsharp masking," http://www.astropix.com/HTML/JDIGIT/USM.HTM.