Method of tracking a plurality of point-shaped objects in a three-dimensional space

US10890521B2 · kind B2 · utility

Assignee

• LAVISION GMBH · DE

Inventors

• Bernhard Wieneke · Oettingen, DE
• Andreas Schroder · Oettingen, DE
• Arne Henning · Oettingen, DE
• Matteo Novara · Oettingen, DE
• Daniel Schanz · Oettingen, DE

Key dates

• Filing date: Jun 14, 2018
• Grant date: Jan 12, 2021
• Expiry date: Nov 22, 2038

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04N23/90
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

For tracking a plurality of objects in a three-dimensional space two-dimensional pictures objects are recorded with two black and white cameras out of two different imaging directions. Both first pictures and second pictures of the two cameras are simultaneously exposed at two points in time in equal ways, a point in time at which the second pictures are exposed for a first time following to a point in time at which the first pictures are exposed for a last time at a much shorter interval than the two points in time of exposure of both the first and second pictures. First and second distributions of real positions of the individual objects are determined from their images in the first and second pictures, respectively; and temporally resolved trajectories of the individual objects in the three-dimensional space are determined from the first and second distributions of real positions.