Abstract:Different stationary meteorological satellites have many different characteristics,such as time of observation,resolution,channel of infrared scanning radiometer,response function of spectrum and space.As a result of these differences,if we joint infrared cloud atlas of two different stationary meteorological satellites,it can be found that the junction of the two cloud atlas is discontinuous.In the mosaic picture,there is an obvious patchy gap,in the two sides of which the brightness is different.The mosaic picture is dealt with by histogram matching,and the asymmetry of the brightness is eliminated and the quality of the whole image is improved.