Supplementary Material

M. Liebling, M. Unser, "Autofocus for Digital Fresnel Holograms by Use of a Fresnelet-Sparsity Criterion," J. Opt. Soc. Amer. A, vol. 21, no. 12, pp. 2424-2430, 2004.

Fig. 6 Modulus of reconstructed wavefront for varying distances, and sharpness metrics (Laplacian of intensity (green), squared intensity (blue) and Fresnelet sparsity (red)). The experimental data was kindly provided by E. Cuche and Ch. Depeursinge, École Polytechnique Fédérale de Lausanne, Switzerland.


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© 2004 M. Liebling, M. Unser, Swiss Federal Institute of Technology, Lausanne (EPFL) and Optical Society of America (OSA).