1. A method comprising: receiving an image frame comprising a plurality of pixels arranged in a plurality of rows and columns, wherein the pixels comprise thermal image data associated with a scene and noise introduced by an infrared imaging device; and processing the image frame to determine a plurality of column correction terms to reduce at least a portion of the noise, wherein each column correction term is associated with a corresponding one of the columns and is determined based on relative relationships between the pixels of the corresponding column and the pixels of a neighborhood of columns.