Patent · US Active

Movement detection method and device with a thresholding algorithm per envelope

US8144935B2 · kind B2 · utility

0Cited by
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31Claims
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Assignee

Inventor

Key dates

Filing dateJul 14, 2008
Grant dateMar 27, 2012
Priority date
Expiry dateDec 16, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T7/20
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A movement detection method that includes calculating a first mean of a signal designed to be supplied by at least one pixel of a pixel matrix which corresponds to a captured image. The movement detection method further includes calculating a second signal, second mean, third mean and fourth mean wherein a movement is detected from the result of at least one comparison made of the signal and the second, third and fourth mean.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.