×

Peripheral pixel noise reduction

  • US 7,643,010 B2
  • Filed: 01/03/2007
  • Issued: 01/05/2010
  • Est. Priority Date: 01/03/2007
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method to reduce noise in multi-touch touch-surface device operations, comprising:

  • obtaining a proximity image from a multi-touch touch-surface, the proximity image having a plurality of pixels, each pixel having a value;

    segmenting the proximity image to identify one or more patches, each patch comprising a plurality of proximity image pixels;

    reducing the value of a patch pixel based on a function of the patch pixel'"'"'s value and the value of a neighbor pixel to the patch pixel; and

    using the reduced patch pixel values to parameterize the patch.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×