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System and method for image noise reduction using a minimal error spatiotemporal recursive filter

  • US 20050135698A1
  • Filed: 12/22/2003
  • Published: 06/23/2005
  • Est. Priority Date: 12/22/2003
  • Status: Active Grant
First Claim
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1. A system for filtering image data, said system comprising:

  • a temporal filtration unit for filtering image data using a temporal technique to produce a temporal filtration output;

    a spatial filtration unit for filtering said image data using a spatial filtration technique to produce a spatial filtration output;

    a first local correlation unit for correlating said image data with said temporal filtration output to produce a temporal correlation output;

    a second local correlation unit for correlating said image data with said spatial filtration output to produce a spatial correlation output; and

    a mixing unit for coordinating said spatial correlation output and said temporal correlation output to produce a mixing unit output.

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