Picture processing method and apparatus

Details Picture processing method and apparatus Picture processing method and apparatus

2006-01-10

2006-01-10

Mehta, Bhavesh M. (Department: 2625)

Image analysis

Image transformation or preprocessing

Changing the image coordinates

C345S660000, C345S698000, C348S581000, C358S451000, C708S208000

Reexamination Certificate

active

06985641

ABSTRACT:
In a picture enlarging processing employing a MAP method, the processing volume is to be decreased to obtain a clear picture without producing blocked distortion without deteriorating the picture quality from that in the conventional practice. An energy function of a picture varied in dependence upon the input picture is defined in advance and stored. An input picture is enlarged, that is the number of pixels is increased, and a value which decreases the energy in a pixel of the enlarged picture is calculated. This energy decreasing value is added to the pixel and the pixel value is updated to adjust the picture quality to raise the resolution. The pixel value is updated a number of times to adjust the picture quality to raise the resolution.

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Schultz et al, “A Bayesian Approach to Image Expansion for Improved Definition”, May 1994, IEEE transaction and Image Processing, vol. 3, No. 3, pp. 233-242.

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