Method and device for finding and tracking pairs of eyes

• Main Author: ZSCHAU ENRICO
• Format: Patent
• Language: Chinese; English
• Published: 16.05.2012
• Subjects: CALCULATING; COMPUTING; COUNTING; DIAGNOSIS; ELECTRIC DIGITAL DATA PROCESSING; HANDLING RECORD CARRIERS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; PHYSICS; PRESENTATION OF DATA; RECOGNITION OF DATA; RECORD CARRIERS; SURGERY

In a method for finding and subsequently tracking the 3-D coordinates of a pair of eyes in at least one face, the following steps are proposed: receiving image data, which contains a sequence of at least one digital video signal of at least one image sensor, finding eyes or tracking previously found eyes in the image data, ascertaining the 3-D coordinates of the found or tracked eyes, associatingthe found or tracked eyes with a pair of eyes and providing the 3-D coordinates of the pair of eyes, wherein the finding of eyes in said image data comprises the following steps: recognizing one or more faces in the image data, ascertaining the 3-D coordinates of at least one recognized face, establishing a first search area on the recognized face, and finding at least one eye in the first searcharea, and wherein the tracking of previously found eyes in said image data comprises the following steps: establishing a second search area on the recognized face and tracking the eyes of the pair ofeyes in the second search a