Patent · US Expired

Gesture processing with low resolution images with high resolution processing for optical character recognition for a reading machine

US7627142B2 · kind B2 · utility

85Cited by
25References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 1, 2005
Grant dateDec 1, 2009
Priority date
Expiry dateFeb 17, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06V30/10
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A portable reading machine that operates in several modes and performs image preprocessing to prior to optical character recognition. The portable reading machine receives a low resolution image and a high resolution image of a scene and processing the low resolution image to recognize a user-initiated gesture using a gesturing item that indicates a command from the user to the reading machine and the high resolution image to recognize text in the image of the scene, according to the command from the user to the machine.

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