×

Coordinated illumination and image signal capture for enhanced signal detection

  • US 9,749,607 B2
  • Filed: 08/09/2013
  • Issued: 08/29/2017
  • Est. Priority Date: 07/16/2009
  • Status: Active Grant
First Claim
Patent Images

1. A method for image signal detection comprising:

  • obtaining image signals captured under different wavelength illumination, a first image signal captured under illumination of a light source of a first color, and a second image captured under illumination of a light source of a second color;

    combining the first and second image signals to increase signal to noise ratio of a signal of interest within the image signals to form a combined signal, the signal of interest comprising a two dimensional signal comprising a first signal modulation of the first color and a second signal modulation of the second color, and wherein the combining comprises adding or subtracting pixels at corresponding locations in the first and second images; and

    performing signal detection on the combined image signal, the signal detection detecting the two dimensional signal from the combined image signal.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×