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Image restoration by aperture-correction techniques

Image restoration by aperture-correction techniques

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© The Institution of Electrical Engineers
Published

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.

Inspec keywords: television reception

Subjects: Television and video equipment, systems and applications

References

    1. 1)
      • W.G. Gibson , A.C. Schroeder . A vertical equalizer for television. J. Soc. Motion Picture Televis. Engrs. , 359 - 401
    2. 2)
      • Mercy, D.V.: `A low noise vertical and horizontal aperture corrector', Proceedings of the International Broadcasting Convention, September 1968, London.
    3. 3)
      • Wharton, W., Edwardson, S.M.: `A review of vertical aperture correctors', report EL-8, 1967.
    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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