Image Compression using All-optical DCT and DST

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Authors

  • Bui Thi Thuy Hanoi University of Natural Resources and Environment
  • Dang The Ngoc Posts and Telecommunications Institute of Technology
  • Le Trung Thanh (Corresponding Author) International School (VNU-IS), Vietnam National University

DOI:

https://doi.org/10.54939/1859-1043.j.mst.82.2022.159-166

Keywords:

All-optical discrete cosine transform (DCT); Image processing; Multimode interference coupler; Optical signal processing; Signal processing.

Abstract

In this paper, we present a method for realizing all-optical Discrete Sine and Cosine Transform (DST/DCT) for image compression. We show that all-optical DST and DCT can be achieved by using only one 4x4 MMI (multimode interference) coupler at a suitable width and length. The proposed method can process image data at high speed and high bandwidth. We use numerical methods for simulating the whole devices

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Published

28-10-2022

How to Cite

Bui Thi Thuy, Dang The Ngoc, and T. T. Le. “Image Compression Using All-Optical DCT and DST”. Journal of Military Science and Technology, no. 82, Oct. 2022, pp. 159-66, doi:10.54939/1859-1043.j.mst.82.2022.159-166.

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