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Journal of Display Technology

Journal of Display Technology


  • Vol. 3, Iss. 3 — Sep. 1, 2007
  • pp: 321–325

A Hybrid Compression Method for Integral Images Using Discrete Wavelet Transform and Discrete Cosine Transform

E. Elharar, Adrian Stern, Ofer Hadar, and Bahram Javidi

Journal of Display Technology, Vol. 3, Issue 3, pp. 321-325 (2007)

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Integral imaging (II) is a promising three-dimensional (3-D) imaging technique that uses an array of diffractive or refractive optical elements to record the 3-D information on a conventional digital sensor. With II, the object information is recorded in the form of an array of subimages, each representing a slightly different perspective of the object In order to obtain high-quality 3-D images, digital sensors with a large number of pixels are required. Consequently, high-quality II involves recording and processing large amounts of data. In this paper, we present a compression method developed for the particular characteristics of the digitally recorded integral image. The compression algorithm is based on a hybrid technique implementing a four-dimensional transform combining the discrete wavelet transform and the discrete cosine transform. The proposed algorithm outperforms the baseline JPEG compression scheme applied to II and a previous compression method developed for II based on MPEG II.

© 2007 IEEE

E. Elharar, Adrian Stern, Ofer Hadar, and Bahram Javidi, "A Hybrid Compression Method for Integral Images Using Discrete Wavelet Transform and Discrete Cosine Transform," J. Display Technol. 3, 321-325 (2007)

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