The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
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Articles | Volume XLII-2/W4
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2/W4, 55–60, 2017
https://doi.org/10.5194/isprs-archives-XLII-2-W4-55-2017
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2/W4, 55–60, 2017
https://doi.org/10.5194/isprs-archives-XLII-2-W4-55-2017

  10 May 2017

10 May 2017

EDGE–PRESERVING DENOISING BASED ON DYNAMIC PROGRAMMING ON THE FULL SET OF ADJACENCY GRAPHS

P. C. Thang1, A. V. Kopylov2, and S. D. Dvoenko2 P. C. Thang et al.
  • 1The University of Da Nang - University of Science and Technology, 54 Nguyen Luong Bang, Da Nang, Viet Nam
  • 2Tula State University, 92 Lenin Ave., Tula, Russia

Keywords: Full set of adjacency graphs, Dynamic programming, Bayesian framework, Edge–preserving smoothing

Abstract. The ability of a denoising procedure to preserve fine image structures when suppressing unwanted noise has crucial importance for an accurate and effective medical diagnosis. We introduce here a new procedure of edge-preserving denoising for medical images, that combines the flexibility in prior assumptions, and computational effectiveness of parametric multi-quadratic dynamic programming with the increased accuracy of a tree-like representation of a discrete lattice based on the full set of possible adjacency graphs of image elements. Proposed procedure can effectively remove an additive white Gaussian noise with high quality. We provide experimental results in image denoising as well as comparison with related methods.