Advanced search
Publication Cover
The Imaging Science Journal Volume 56, 2008 - Issue 6
Submit an article Journal homepage
20
Views
1
CrossRef citations to date
0
Altmetric
Articles

Low-power passive focus measure operator based on the DCT for mobile phones

S Y Lee
,
Y Kumar
,
J M Cho
&
S W Kim
Pages 301-306 | Published online: 18 Jul 2013

REFERENCES

  • Peddigari, V., Gamadia, M. and Kehtarnavaz, N. Realtime implementation issues in passive automatic focusing for digital still cameras. J. Imag. Sci. Technol., 2005, 49, 114–123.
  • Ng, K. C., Poo, A. N. and Ang, M. H., Jr. Practical issues in pixel-based autofocusing for machine vision, Proc. IEEE Int. Conf. on Robotics and Automation, Seoul, Korea, May 2001, IEEE Robotics and Automation Society, Vol. 3, pp. 2791–2796.
  • Krotkov, E. Focusing. Int. J. Comput. Vision, 1987, 1, 223–237.
  • Ooi, K., Izumi, K., Nozali, M. and Takeda, I. An advanced auto-focus system for video camera using quasi condition reasoning. IEEE Trans. Consumer Electron., 1990, 36, 526–529.
  • Tenenbaum, J. M. ‘Accommodation in computer vision’, PhD thesis, Stanford University, USA, 1970.
  • Nayar, S. K. and Nakagawa Y. Shape from focus. IEEE Trans. Patt. Anal. Mach. Intell., 1994, 16, 824–831.
  • Choi, K. S., Lee, J. S. and Ko, S. J. New autofocus technique using the frequency selective weighted median filter for video cameras. IEEE Trans. Consumer Electron., 1999, 45, 820–827.
  • Charfi, M., Nyeck, A. and Tosser, A. Focusing criterion. IEE Electron. Lett., 1991, 27, 1233–1235.
  • Baina, J. and Dublet, J. Automatic focus and iris control for video cameras, IEE 5th Int. Conf. on Image Processing and Its Applications, Edinburgh, UK, July 1995, Heriot-Watt University, pp. 232–235.
  • He, J., Zhou, R. and Hong, Z. Modified fast climbing search auto-focus algorithm with adaptive step size searching technique for digital camera. IEEE Trans. Consumer Electron., 2003, 49, 257–262.
  • Subbarao M. and Tyan, J. K. The optimal focus measure for passive autofocusing and depth-from-focus, Proc. SPIE Conf. on Videometrics IV, Philadelphia, PA, USA, October 1995, SPIE, Vol. 2598, pp. 89–99.
  • Subbarao, M. and Tyan, J. K. Selecting the optimal focus measure for autofocusing and depth-from-focus. IEEE Trans. Patt. Anal. Mach. Intell., 1998, 20, 864–870.
  • Najm, F. N. A survey of power estimation techniques in VLSI circuits. IEEE Trans. VLSI Syst., 1994, 2, 446–455.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Order Reprints Request Corporate Permissions

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

Request Academic Permissions

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.

Related research

People also read lists articles that other readers of this article have read.

Recommended articles lists articles that we recommend and is powered by our AI driven recommendation engine.

Cited by lists all citing articles based on Crossref citations.
Articles with the Crossref icon will open in a new tab.