In the process of data acquisition three cameras, Red, NIR and Thermal, take pictures synchronously. This generates an image triple at each scene. After the airplane flies over a canal segment, a series of such image triples are obtained. The image data come with the files in the format of RAW (.raw). The name for each file contains the camera name, the acquisition time (hours, minutes, seconds), and the latitude and longitude. The "HEADER INFO" of the