Method and device for determining the position of an object within a given area

US6834116B2 · kind B2 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Ludwig Ertl · Regensburg, DE
• Thorsten Köhler · Deuerling, DE
• Dirk Zittlau · Stöckelsberg, DE

Key dates

• Filing date: Oct 23, 2001
• Grant date: Dec 21, 2004
• Expiry date: Aug 4, 2022

Classification

• Technology area (CPC G): Physics
• CPC primary: G06T7/74
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

Within a given area, the position of the head of the front seat passenger in a vehicle is determined by producing a differential image, in which only the contour of the moving object appears, from two frames that are recorded one after the other by a video camera. The contours of the differential images are used to calculate the position.