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Title: Speckle free optical watermarking based on pseudo-random phase encodingAuthor: Patino A. / Altamar H. / Martinez-Santos J.C.Language: InglésRepository: 61Subject: Diffusers (optical) / Encoding (symbols) / Geometrical optics / Image coding / Image processing / Speckle / Vision / Watermarking / Input planes / Noise speckle / Numerical results / Optical applications / Optical image / Pseudo random / Random-phase encoding / Verification process / Signal processing
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Title: α-bandlimited diffuser in fractional Fourier opticsAuthor: Patiño-Vanegas A. / Durand P.-E. / Torres R. / Pellat-Finet P.Language: InglésRepository: 61Subject: Digital holography / Fractional Fourier optics / Fractional Fourier transform / Fresnel diffraction / Numerical interpolation / Speckles / α-bandlimited diffusers / Computer generated holography / Fourier transforms / Holography / Interpolation / Numerical methods / Speckle / Bandlimited / Fractional fourier / Fractional Fourier transforms / Numerical interpolations / Diffusers (optical)
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