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Many-Core Parallel Algorithm to Correct the Gaussian Noise of an Image

  • Teodoro Alvarez-Sanchez
  • Jesus A. Alvarez-CedilloEmail author
  • Jacobo Sandoval-Gutierrez
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 948)

Abstract

The digitization of information is abundant in different areas related to digital image processing; its primary objective is to improve the quality of the image for a correct human interpretation or to facilitate the search of information patterns in a shorter time, with fewer computing resources, size and low energy consumption. This research is focused on validating a possible implementation using a limited embedded system, so the specified processing speed and algorithms that redistribute the computational cost are required. The strategy has been based on parallel processing for the distribution of tasks and data to the Epiphany III. It was combined to reduce the factors that introduce noise to the image and improve quality. The most common types of noise are Gaussian noise, impulsive noise, uniform noise and speckle noise. In this paper, the effects of Gaussian noise that occurs at the moment of the acquisition of the image that produces as a consequence blur in some pixels of the image is analyzed, and that generates the effect of haze (blur). The implementation was developed using the Many-core technology in 2 × 2 and 4 × 4 arrays with (4, 8, 16) cores, also the performance of the Epiphany system was characterized to FFT2D, FFT setup, BITREV, FFT1D, Corner turn and LPF and the response times in machine cycles of each algorithm are shown. The power of parallel processing with this technology is displayed, and the low power consumption is related to the number of cores used. The contribution of this research in a qualitative way is demonstrated with a slight variation for the human eye in each other images tested, and finally, the method is a useful tool for applications with resources limited.

Keywords

Frequency domain Many-core Parallel algorithms Parallel processing Gaussian noise 

Notes

Acknowledgement

We appreciate the facilities granted for the completion of this work to the Instituto Politécnico Nacional through the Secretaria de Investigación y posgrado (SIP) with the SIP 20180023, 20180824 project, Unidad Interdisciplinaria de Ingeniería y Ciencias Sociales y Administrativas y Centro de Investigación y Desarrollo de Tecnología Digital. Likewise, to the Program of Stimulus to the Performance of the Researchers and the Program of Stimulus to the Teaching Performance (EDD) and COFAA.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Teodoro Alvarez-Sanchez
    • 1
  • Jesus A. Alvarez-Cedillo
    • 2
    Email author
  • Jacobo Sandoval-Gutierrez
    • 3
  1. 1.Instituto Politécnico Nacional, CITEDITijuanaMexico
  2. 2.Instituto Politécnico Nacional, UPIICSAMexico CityMexico
  3. 3.Universidad Autónoma Metropolitana, LERMAMexico CityMexico

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