Model-based dewarping method and apparatus

US9805281B2 · kind B2 · utility

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: Jun 8, 2015
• Grant date: Oct 31, 2017
• Expiry date: Jun 8, 2035

Classification

• Technology area (CPC G): Physics
• CPC primary: G06V30/10
• WIPO field: Audio-visual technology
• WIPO sector: Electrical 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.