The Method of Estimating Population in City Using Remote Sensing
城市人口的遥感估算方法

Not only does conventional estimation of population take long time, drain of man-power and money, but also it is unaccurate because it depends on statistic data of few years. Although the history of estimating population using remote sensing is not long and not precise, but it is showing its advantage. The principles of estimating population using remote sensing are: 1, The image of infrared channel in DMSP shows that the distribution and number of population relates with urban consumption of energy, and in turn, the urban consumption of en-erpy relates with grayscale; 2, The population growth relates with expansion of urban area can be generated regression equation; 3, Counting of residences in image can estimate population based on average numbers of every recidence lefined by census; 4, Density of population can be reflected in difference of reflectance of man-made structure and natural body, accordingly it can be generated regression equation.