Ellipse fitting for multi-touch surfaces

Details Ellipse fitting for multi-touch surfaces Ellipse fitting for multi-touch surfaces

2007-02-22

2010-10-12

Mengistu, Amare (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C345S174000, C345S175000, C178S018010, C178S018030

Reexamination Certificate

active

07812828

ABSTRACT:
Apparatus and methods are disclosed for simultaneously tracking multiple finger and palm contacts as hands approach, touch, and slide across a proximity-sensing, multi-touch surface. Identification and classification of intuitive hand configurations and motions enables unprecedented integration of typing, resting, pointing, scrolling, 3D manipulation, and handwriting into a versatile, ergonomic computer input device.

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