A hogel (a portmanteau of the words holographic and element) is a part of a hologram, in particular a computer-generated one. In contrast to 2D pixels, hogels contain 3D information from various perspectives. Research into efficient generation and compression of hogels may allow holographic displays to become more widely available.
The first use of the term "hogel" was by Mark Lucente in his 1994 MIT Doctoral Thesis Dissertation.
More recent examples include a paper presented at the SMPTE 2nd Annual International Conference on Stereoscopic 3D for Media and Entertainment entitled "The First 20 Years of Holographic Video – and the Next 20", or in these recent book chapters: "Electronic Holography -- 20 Years of Interactive Spatial Imaging" in Handbook of Visual Display Technology , and "Computational Display Holography" in Holographic Imaging.
- Lucente, Mark. "Diffraction-Specific Fringe Computation for Electro-Holography". MIT Dept. of Electrical Engineering and Computer Science. Retrieved Sep. 1994. See, for example, page 55 in "Chapter 4: Diffraction-Specific Computation", or the "Glossary of Terms and Abbreviations" in Appendix A on page 151.
- Lucente, Mark. "The First 20 Years of Holographic Video -- and the Next 20". Society of Motion Picture and Television Engineers (SMPTE).
- Chen (2011). Handbook of Visual Display Technology. Springer-Verlag. ISBN 978-3-540-79566-7.
- Benton, Stephen A. (2008). Computational Display Holography. Wiley-Interscience. ISBN 978-0-470-06806-9.
- "Holographic three-dimensional telepresence using large-area photorefractive polymer". Nature 468:80-83. 4 November 2010. doi:10.1038/nature09521.
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