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      A Fast Hidden Surface Removal Approach for Complex SAR Scene Based on Adaptive Ray-tube Splitting Method

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          Abstract

          Traditional hidden surface removal algorithm based on hardware Z-Buffer technique cannot give attention to precision or efficiency at the same time when dealing with the non-uniform triangulated SAR scene model. A novel high-precision hidden surface removal approach using fast ray-tube splitting algorithm is proposed, where the SAR scene hidden surface removal problem is decomposed into two simple procedures, i.e. a Delaunay triangulator is used to generate the initial ray tubes from the projected point clouds of all incident visible vertices, then an adaptive ray-tube splitting method is adopted to carry out the complex scene shading situations and resultant visible model reconstruction. Simulation results of typical aircraft and T-72 tank show that, the new approach is feasible and effective.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 December 2012
          : 1
          : 4
          : 436-440
          Affiliations
          [1 ] Information Engineering School, Communication University of China
          [2 ] National Electromagnetic Scattering Laboratory
          Article
          a89f9417ddd04340a8beb4dcaee1c665
          10.3724/SP.J.1300.2012.20064

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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