Image restoration by aperture-correction techniques

Image restoration by aperture-correction techniques

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Improvement of television pictures de by aperture effects is at present performed by horizontal and vertical aperture correctors operating on the video signal. It is shown that true restoration can be more closely approximated to by a modified arrangement, and the limitations imposed by spatial noise are investigated.


    1. 1)
      • W.G. Gibson , A.C. Schroeder . A vertical equalizer for television. J. Soc. Motion Picture Televis. Engrs. , 359 - 401
    2. 2)
      • Wharton, W., Edwardson, S.M.: `A review of vertical aperture correctors', report EL-8, 1967.
    3. 3)
      • Mercy, D.V.: `A low noise vertical and horizontal aperture corrector', Proceedings of the International Broadcasting Convention, September 1968, London.
    4. 4)
      • G.W. Stroke . A new holographic method for a posteriori image-deblurring restoration of ordinary photographs using “extended source” lensless Fourier-transform holography compensation. Phys. Lett. , 405 - 406

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