O. O. Chuzha, V. G. Romanenko


Survey-comparative navigation systems are used for identification of landmarks that typically in the form of spatial objects the underlying surface. The most obvious method for obtains geometric features of the spatial object is processing its three-dimensional (3D) image. For processing 3D images of the spatial objects in the form of a matrix of time intervals, it is proposed to use a differential method based on the application of the properties of the first and second of derivatives of functions. The differential method processing 3D images allows implementing algorithms for determining the boundaries of the object on the background of the underlying surface, to determine the basic elements of the form of the object, their number and proportions.


Survey-comparative navigation methods; LIDAR; cross lines; envelope of time intervals; basic elements of the form; derivative of a function; differential method of analysis.


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