A solid-state infrared image sensing device has an image pick-up pixel array having respective bolometers sequentially connected to a read-out circuit for producing an image carrying signal: However, the image carrying signal contains a fixed pattern noise due to the pattern of the bolometers: In order...http://www.google.de/patents/US6188069?utm_source=gb-gplus-sharePatent US6188069 - Solid-state image sensing device with image pick-up bolometers for noise containing image signal and reference bolometers for estimating noise and read-out circuit for producing noise-free image signal
