USING FULL WAVEFORM DATA IN URBAN AREAS
نویسندگان
چکیده
منابع مشابه
Using Full Waveform Data in Urban Areas
In this paper, the use of waveform data in urban areas is studied. Full waveform is generally used in non-urban areas, where it can provide better vertical structure description of vegetation compared to discrete return systems. However, waveform could be potentially useful for classification in urban areas, where classification methods can be extended to include parameters derived from wavefor...
متن کاملclassification of full-waveform lidar data in urban areas by combining physical and geometrical features
in the last two decade the use of aerial laser scanner (als) or lidar (light detection and ranging) sensor in geomatics engineering and surveying application has augmented significantly . the main reason of the mentioned phenomenon is the reliability and accuracy of the data obtained by lidar sensors. the output of lidar is unclassified 3d point cloud. classification of the lidar point clouds i...
متن کاملAnalysis of Full-waveform Lidar Data for Classification of Urban Areas
In contrast to conventional airborne multi-echo laser scanner systems, full-waveform (FW) lidar systems are able to record the entire emitted and backscattered signal of each laser pulse. Instead of clouds of individual 3D points, FW devices provide connected 1D profiles of the 3D scene, which contain more detailed and additional information about the structure of the illuminated surfaces. This...
متن کاملFull waveform inversion of crosswell seismic data using automatic differentiation
Full waveform inversion (FWI) is an effective and efficient data-fitting technique that has been widely used to produce accurate estimation of model parameters in Geophysics. The efficiency and accuracy of FWI are determined by the three main components: numerical solution for forward problem, gradient calculation and model update which usually involves the optimization method. The success of t...
متن کاملWater-Land-Classification in Coastal Areas with Full Waveform Lidar Data
flat, a high accuracy of the DTM is required for tasks such as hydrographic modelling. Airborne lidar (light detection and ranging) has become a standard method for DTM generation in coastal zones. The lidar technique has two main advantages compared to traditional aerial photogrammetry: Firstly, the active laser technique works independently from illumination from the sun, which allows mapping...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
سال: 2013
ISSN: 2194-9034
DOI: 10.5194/isprsarchives-xxxviii-3-w22-203-2011