IMAGE PROCESSING APPARATUS, IMAGE RESTORATION METHOD AND PROGRAM
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United States of America Patent
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Issued Date -
Jan 17, 2008
app pub date -
Dec 5, 2006
filing date -
Jul 14, 2006
priority date (Note) -
Abandoned
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Abstract
An image processing apparatus is provided which executes image restoration processing by performing a iterative computation on a degradation image. The image processing apparatus is capable of maintaining the quality of a restored image and completing the iterative computation sufficiently quickly. The first image restoration processor creates a first restored image f1 for a degradation image g by calculating an inverse filter H.sup.-1 based on Fourier transform H of a deterioration function h, multiplying the inverse filter H.sup.-1 and Fourier transform G of the degradation image g, and performing inverse Fourier transform on the result of the multiplication. The second image restoration processor creates a second restored image f2 by a iterative computation using the first restored image f1 and the deterioration function h.
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