Patent · US Active

Model-based dewarping method and apparatus

US8406476B2 · kind B2 · utility

6Cited by

35References

11Claims

0Family size

Assignee

COMPULINK MANAGEMENT CENTER, INC. · US

Inventors

Minghui Wu · Beijing, CN
Rongfeng Li · Beijing, CN
Wenxin Li · Lo Wu, CN
Edward P. Heaney, Jr. · Long Beach, US
Karl Chan · Elkton, US
Kurt A. Rapelje · Hawthorne, US
Bin Fu · Chaoyang, CN
Bin Feng · Beijing, CN

Key dates

Filing date	Mar 2, 2007
Grant date	Mar 26, 2013
Priority date	—
Expiry date	Dec 30, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG06V30/10
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An apparatus and method for processing a captured image and, more particularly, for processing a captured image comprising a document. In one embodiment, an apparatus comprising a camera to capture documents is described. In another embodiment, a method for processing a captured image that includes a document comprises the steps of distinguishing an imaged document from its background, adjusting the captured image to reduce distortions created from use of a camera and properly orienting the document is described.

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