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IR Camera

  • US 20060219920A1
  • Filed: 04/05/2005
  • Published: 10/05/2006
  • Est. Priority Date: 04/05/2005
  • Status: Abandoned Application
First Claim
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1. An IR camera (1) comprising a focal plane array (7), said focal plane array (7) comprising an array of elements for registering incoming IR radiation from an object, and a signal processing device (9) arranged to receive an incoming signal from each element indicative of the incoming IR radiation in said elements, said incoming signal having a predetermined minimum value and a predetermined maximum value, and to process said incoming signal from each of the elements to obtain a temperature value in order to generate a thermal image of the object, said camera (1) having a predetermined scene temperature range and being characterized in that said signal processing device (9) is arranged, for each image, to perform the following steps identify any elements of the focal plane array (7) for which the incoming signal, anywhere inside the scene temperature range, is equal to or larger than the predetermined maximum value, or equal to or less than the predetermined minimum value, replace the value of each element thus identified with a replacement value based on the value of at least one neighbouring element.

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