Micro-vibration detection of remote sensing camera under low exposure condition

To deal with the effect of flutter of carrying platform on remote sensing camera,motion estimation algorithm can be used to the image sequences taken by auxiliary high-speed array CCD camera during exposure to estimate the vibration. Pixel binnng is proposed to compensate the time of exposure and to improve the brightness and contrast as well as SNR of the images. And a region selection algorithm is used to select the image region by which we can estimate the displacement using gray projection algorithm. The experiment results show that the error is 1 pixel by utilizing the improved algorithm,which greatly enhance the accuracy and stability.