搜索结果: 1-5 共查到“测绘科学技术 Data compression”相关记录5条 . 查询时间(0.093 秒)
Effect of lossy data compression techniques on geometry and information content of satellite imagery
Data compression Satellite imagery JPEG Wavelets
2016/5/23
The recording and transfer rates of digital imaging systems can not keep abreast of the actual captured amount of data.Because the compression rates of standard loss-less techniques are still too low,...
PREVENTION OF SPATIAL DATA COMPRESSION QUALITY DEGRADATION
Compression indexing Huffman blocking mobile
2015/9/28
Data indexing and compression procedures have enabled several significant advances in the application of spatial data. Data coverage, portability, transfer, multi-scale representation (pyramids), quer...
VECTOR GEOSPATIAL DATA COMPRESSION FOR WEBGIS AND CARTOGRAPHIC GENERALIZATION
WebGIS vector geospatial data data compression cartography generalization
2015/3/6
This paper introduces the author's work on the compression of vector geospatial data intended for transport on the Internet. WebGIS vector data format is shifting to ASCII code such as XML. In some ap...
THE IMPACT OF DATA COMPRESSION AND NEIGHBORHOOD INFORMATION ON THE CLASSIFICATION ACCURACY OF ARTIFICIAL NEURAL NETWORKS
Neural Networks Thematic Classification Principal Component Analysis
2015/2/3
The artificial neural networks are nice tools in the thematic mapping. The classification procedure requires carefully prepared training set. The research was aimed to show the effect of the generally...
RESEARCH ON DIFFERENTIAL CODING METHOD FOR SATELLITE REMOTE SENSING DATA COMPRESSION
Satellite Compression Land cover Differential encoding Information amount Compression rate
2014/4/29
Data compression, in the process of Satellite Earth data transmission, is of great concern to improve the efficiency of data transmission. Information amounts inherent to remote sensing images provide...
