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Anomaly analysis using maximum likelihood continuity mapping

  • US 6,038,388 A
  • Filed: 01/29/1998
  • Issued: 03/14/2000
  • Est. Priority Date: 01/30/1997
  • Status: Expired due to Fees
First Claim
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1. A computer-implemented method for detecting anomalous medical procedures comprising the steps of:

  • finding a mapping between model medical procedures forming model medical treatment sequences and probability density functions (PDFs) over continuity map (CM) positions in a health space, wherein each PDF quantifies the probability of positions in the CM given the associated model medical procedure;

    inputting a new sequence of medical procedures to be reviewed;

    finding a path through said continuity map that maximizes the conditional probability of said new sequence of medical procedures; and

    identifying anomalous medical procedures as any sequence of medical procedures with a conditional probability of the sequence of medical procedures given the path below a threshold value.

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