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A New Image Interpolation Using Laplacian Operator

  • Said OusguineEmail author
  • Fedwa Essannouni
  • Leila Essannouni
  • Mohammed Abbad
  • Driss Aboutajdine
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 366)

Abstract

In this paper, a novel method for image interpolation is proposed. This method is based on the application of the Laplacian operator for the purpose of detecting the edge-directions and then interpolating the missing pixels using the cubic convolution. We start applying a down-sampled by a factor of two to the gray high-resolution image in order to obtain a low-resolution image. Then, the preprocessed image is reconstructed by using the proposed interpolation method. The proposed method is implemented and tested over several gray images, and also compared to many interpolation methods in the state-of-the-art. The simulation results are shown to be superior compared to the other interpolation methods in both of objective measurement in terms of PSNR, SSIM and FSIM, and visual quality of image results.

Keywords

Image interpolation Laplacian operator Image reconstruction  Super-resolution 

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© Springer Science+Business Media Singapore 2016

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 2.5 International License (http://creativecommons.org/licenses/by-nc/2.5/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Authors and Affiliations

  • Said Ousguine
    • 1
    Email author
  • Fedwa Essannouni
    • 1
  • Leila Essannouni
    • 1
  • Mohammed Abbad
    • 1
  • Driss Aboutajdine
    • 1
  1. 1.LRIT Research Laboratory (associated unit to CNRST, URAC no 29), Faculty of SciencesMohammed V UniversityRabatMorocco

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