1. Lee, S.Y. et al.: Low-power auto focus algorithm using modified DCT for the mobile phones. In: International Conference on Consumer Electronics, pp. 67–68 (2006)
2. Sohn, S.M. et al.: SoC design of an auto-focus driving image signal processor for mobile camera application. In: International Conference on Consumer Electronics 73–74 (2006)
3. Allegro S., Chanel C., Jacot J.: Autofocus for automated microassembly under a microscope. Proc. Int. Conf. Image. Process. 2, 677–680 (1996)
4. Chern N.K., Neow P.A., Ang M.H. Jr: Practical issues in pixel-based autofocusing for machine vision. Proc. IEEE Int. Conf. Robot. Autom. 3, 2791–2796 (2001)
5. Choi K.-S., Lee J.-S., Ko S.-J.: New autofocus technique using the frequency selective weighted median filter for video cameras. IEEE Trans. Consumer Electron. 45, 820–827 (1999)