What is DHM (Digital Height Model)?

Digital height models are made from stereo images utilizing direct and indirect image highlights. One approach to get a digital height model is to examine the distinction between the rasters of the digital surface model and the digital terrain model. For this situation, the digital height model will address the real height of trees, buildings, etc. It is utilized for broadcast communications network demonstrating, flood reenactment, 3D city creation, obstruction study, and archeological examination.