Advertisement

An Iterative Sub-pixel Interpolation Centroid Algorithm

  • Zhang Yan
  • Peng Qingyu
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 99)

Abstract

An improvement has been done in the sub-pixel interpolation algorithm proposed by Quine et al. by using iterative technique to obtain an accurate solution. Simulation results shows that the accuracy of the new iterative algorithm compared with the original one is significantly better.

Keywords

Star centroid Sub-pixel interpolation Iteration Image analysis 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    Anderson, J., King, I.R.: Toward High Precision Astrometry with WFPC2.I.Deriving an Accurate Point-Spread Function. In: PASP, 2000, vol. 112, pp. 1360–1392 (2000)Google Scholar
  2. 2.
    Quine, B. M., Tarasyuk, V., Mebrahtu, H., et al.: Determining star-image location: A new sub-pixel interpolation technique to process image centroids. Comput. Phys. Commun. 177, 700–706 (2007)zbMATHCrossRefGoogle Scholar
  3. 3.
    Abramowitz, M., Stegun, I.A.: Handbook of Mathematical Functions, (P297). Dover Publications, New York (1972)zbMATHGoogle Scholar
  4. 4.
    Stone, R.C.: A comparison of digital centering algorithms. AJ 97, 1227–1237 (1989)CrossRefGoogle Scholar
  5. 5.
    van Altena, W.F., Auer, L.H.: Digital image centering I. In: de Jager, C., Nieuwenhuijzen, H. (eds.) Image Processing Techniques in Astronomy, vol. 54, p. 411. Astrophysics and Space Science Library, Reidel, Dordrecht (1975)Google Scholar
  6. 6.
    Auer, L.H., van Altena, W.F.: Digital image centering II. AJ 83, 531–536 (1978)CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Zhang Yan
    • 1
    • 2
    • 3
  • Peng Qingyu
    • 1
    • 2
    • 3
  1. 1.Department of Computer ScienceJinan UniversityGuangzhouChina
  2. 2.Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Educational InstitutesJinan UniversityGuangzhouChina
  3. 3.Sino-France Joint Laboratory for Astrometry, Dynamics and Space Science Joint LaboratoryJinan UniversityGuangzhouChina

Personalised recommendations