Characteristics of kinoform by LCD and its application to display the animated color 3D image

Koki Sato

doi:10.1117/12.172655

1 May 1994 Characteristics of kinoform by LCD and its application to display the animated color 3D image

Koki Sato

Proceedings Volume 2176, Practical Holography VIII; (1994) https://doi.org/10.1117/12.172655
Event: IS&T/SPIE 1994 International Symposium on Electronic Imaging: Science and Technology, 1994, San Jose, CA, United States

Abstract

A 2D image can be scaled simply by changing its pixel size. If we were to apply this method to a hologram, it would cause distortion in the reconstructed 3D images, and a change in the viewing angle. We propose a method for scaling the reconstructed image without changing its fringe element, i.e., pixel size. We divide the hologram into small blocks. Then, these blocks are repositioned in order to magnify or demagnify the reconstructed image. This method maintains the viewing angle and causes no distortion. It does, however, blur the reconstructed image. To reduce the blur, we propose a method of interpolation in the frequency domain. Results of experiments performed on an electro-holography system are also presented.

Citation Download Citation

Koki Sato "Characteristics of kinoform by LCD and its application to display the animated color 3D image", Proc. SPIE 2176, Practical Holography VIII, (1 May 1994); https://doi.org/10.1117/12.172655

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