Patent · US Expired

Object region data describing method and object region data creating apparatus

US7091988B2 · kind B2 · utility

13Cited by
5References
43Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 11, 2001
Grant dateAug 15, 2006
Priority date
Expiry dateJan 1, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T2207/30236
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An object region data describing method of describing information about the object region in an image over a plurality of frames determines the region of a target object in an image using an approximate function that approximates the trajectory obtained by arranging, in the direction of frame advance, one representative point of an approximate figure for the object region and the difference values for determining the other representative points and describes information about the object region using a parameter for the function.

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