一个简单的点云显示程序，基于MATLAB。读取.asc文件中的数据，然后显示并优化。-A simple point cloud display program, based on MATLAB. .asc File to read the data, and then display and optimization.

读取显示三维激光点云数据,程序较少，简单方便-Read the display of 3 d laser point cloud data, the program is less, simple and convenient

Multispectral remotely sensing imagery with high spatial resolution, such as QuickBird, IKONOS satellite imagery or Aerial imagery, especially in urban scenes, often perform spectral variations and rich details within a category, resulting in