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This paper introduces the classical Dijkstra algorithm in detail, and illustrates the method of implementation of the algorithm and the disadvantages of the algorithm: the network nodes requiresquare-...
Most spatial data in GIS are not independent, they have high autocorrelation. For example, temperatures of nearby locations are often related. Most of the spatial association rule mining algorithms de...
Nowadays object oriented image analysis becomes a hot issue in the field of image processing and interpretation because of its more robust noise removing ability, more abundant image features and expe...
Path finding requirement for people under restricted situation is difficult to meet. Traditional routing solution such as A* algorithm is not suitable for the restricted area. For routing requirement ...
It is an important question to calculate number of grown branches in a tree in visualization of trees growth. The number of growth branches is determined by visual effect or developer′s experience. Th...
An efficient statistical algorithm of automatic extracting road from SAR images is devised in this paper. First, an feature detecting operator is used to find the road candidate. Then another smaller ...
In this paper, an approach for extracting vehicles from UAV aerial imagery is given. The approach is based on a fuzzy segmentation algorithm, which combine fuzzy c-partition and genetic algorithm, and...
Edges are very important clues for building reconstruction in city-modeling. But some weak edges, such as roofs’ ridges, are often similar to the background in intensity which causes low gradient magn...
Today, thermal inspections of buildings are normally done in recorded single infrared images directly. Thus, no 3d references of found objects and features like i.e. heating pipes or leakages is possi...
Airborne linear pushbroom cameras have become one of the most important imaging sensors in today’s photogrammetry and remote sensing practices to collect high-resolution multi-channel seamless image s...
The thesis focuses on the multipath fading problem in aerial communication. At the beginning of this paper, we build the model of the aerial communication channel and complete the analysis on the esse...
Extracting the latent geo-information and provide decision support for the users is very important function in GIS(Geographic Information System). GIS is different from other mapping system (MS) in th...
The usage of single geographical footprint model in existing Geographical Information Retrieval (GIR) system will cause many problems like overestimation or underestimation of the geographical scopes ...
Clustering spatial data can be interpreted as a segmentation or classification process for finding meaningful patterns in geospatial databases. Such patterns can be used to adapt further algorithms to...
In order to simplify the generalization of contour lines during the compilation of maps at smaller scales, an indirect method is put forward based on the generalization of the corresponding DEM first ...

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