Holographic display of real existing objects from their 3D Fourier spectrum

Toyohiko Yatagai; Yusuke Sando

doi:10.1117/12.612124

28 February 2005 Holographic display of real existing objects from their 3D Fourier spectrum

Toyohiko Yatagai, Yusuke Sando

Proceedings Volume 5821, Current Research on Image Processing for 3D Information Displays; (2005) https://doi.org/10.1117/12.612124
Event: Current Research on Image Processing for 3D Information Displays, 2005, -, Russian Federation

Abstract

A method for synthesizing computer-generated holograms of real-existing objects is described. A series of projection images are recorded both vertically and horizontally with an incoherent light source and a color CCD camera. According to the principle of computer tomography(CT), the 3-D Fourier spectrum is calculated from several projection images of objects and the Fresnel computer-generated hologram(CGH) is synthesized using a part of the 3-D Fourier spectrum. This method has following advantages. At first, no-blur reconstructed images in any direction are obtained owing to two-dimensionally scanning in recording. Secondarily, since not interference fringes but simple projection images of objects are recorded, a coherent light source is not necessary for recording. The use of a color CCD in recording enables us to record and reconstruct colorful objects. Finally, we demonstrate color reconstruction of objects both numerically and optically.

Citation Download Citation

Toyohiko Yatagai and Yusuke Sando "Holographic display of real existing objects from their 3D Fourier spectrum", Proc. SPIE 5821, Current Research on Image Processing for 3D Information Displays, (28 February 2005); https://doi.org/10.1117/12.612124

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