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Method and apparatus for generating a synthetic image by the fusion of signals representative of different views of the same scene

  • US 5,555,324 A
  • Filed: 11/01/1994
  • Issued: 09/10/1996
  • Est. Priority Date: 11/01/1994
  • Status: Expired due to Fees
First Claim
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1. A method for processing first and second digital image signals, each of said image signals being representative of a different two dimensional view of the same scene, each of said image signals including a two dimensional array of pixels, each of said pixels having an associated value representative of a detectable characteristic at a corresponding position in said scene, comprising the steps of:

  • A. center-surround shunt processing said first image signal to generate a first processed image signal including a two dimensional array of pixels, said processing including performing a computation associated with each pixel in said first image signal, wherein for each of said computations, pixels in a neighborhood including at least said associated pixel collectively form a central element for said computation, and pixels in a neighborhood at least surrounding said central element collectively form a surround element for said computation, wherein a result of each of said computations is a pixel of said first processed image signal,B. center-surround shunt processing said second image signal to generate a second processed image signal including a two dimensional array of pixels, said processing including performing a computation associated with each pixel in said second image signal, wherein for each of said computations, pixels in a neighborhood including at least said associated pixel collectively form a central element for said computation, and pixels in a neighborhood at least surrounding said central element collectively form a surround element for said computation, wherein a result of each of said computations is a pixel of said second processed image signal,C. center-surround shunt processing portions of said first and second processed image signals to generate a third processed image signal including a two dimensional array of pixels, said processing including a computation associated with each pixel in one of said first and second processed image signals, wherein for each of said computations, pixels in a neighborhood including at least said associated pixel form a central element for said computation, and pixels in a neighborhood at least surrounding a central element corresponding to said central element in the other of said first and second processed image signals form a surround element for said computation, wherein a result of each of said computations is a pixel of said third processed image signal.

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