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Image Compression of Digitized NDE X-Ray Radiographs by Adaptive Differential Pulse Code Modulation

  • Brian K. Lovewell
  • John P. Basart

Abstract

Characterizing images as redundant waveforms is not a new concept and neither is modeling autocorrelated signals by linear prediction [1,2]. By encoding image waveforms as prediction error samples, it is possible to obtain better signal reconstructions for a given coding rate than by encoding the original waveforms. Similarly, it is possible to reduce the coding rate for a given level of SNR [3].

Keywords

Linear Prediction Linear Predictive Coder Prediction Coefficient Uniform Quantization Prediction Error Variance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1989

Authors and Affiliations

  • Brian K. Lovewell
    • 1
  • John P. Basart
    • 1
  1. 1.Center for Nondestructive Evaluation and the Department of Electrical and Computer EngineeringIowa State UniversityAmesUSA

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