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This paper discussed several facets of remote sensing information applying in urban planning in China. It emphasized the application and development process for high resolution remote sensing information during the last years, including new satellite-borne and airborne high resolution optical and Synthetic Aperture Radar (SAR) remote sensing data sources. And, the corresponding application questions...
Remote sensing images are playing an increasing important role in the research of urban ecological environment, especially the extraction of the urban information. However, previous approaches towards processing the remotely sensed images required a lot of manual work. To try to promote the auto-processing of RS images, this paper proposed a novel approach based on the shape adaptive neighborhood...
This paper presents a new method for segmentation and interpretation of 3D point clouds from mobile LIDAR data. The main contribution of this work is the automatic detection and classification of artifacts located at the ground level. The detection is based on Top-Hat of hole filling algorithm of range images. Then, several features are extracted from the detected connected components (CCs). Afterward,...
In this work we recall a recently developed processing chain (called Quasi-Permanent Scatterers -QPS- technique) that, by analyzing all possible interferometric pairs in a given SAR data-set and by evaluating the spatial interferometric coherence, is able to exploit partially coherent targets to estimate the ground motion. The technique has been successfully applied in the Badong site in China for...
Material in-use stock, which represents a future potential of material recovery and waste, is an important factor in analysis of resources recycling. In-use stock is usually estimated using some statistics. In developing countries, however, such statistical data is not usually available to estimate in-use stock of materials. Therefore an alternative method is required in these countries. In this paper,...
The Defense Meteorological Satellite Program (DMSP) Operational Linescan System (OLS) has a unique capability to collect low-light imaging data of the earth at night. The OLS and its predecessors have collected this style of data on a nightly global basis since 1972. The digital archive of OLS data extends back to 1992. Over the years several global nighttime lights products have been generated. NGDC...
Synthetic Aperture Radar (SAR) has significant advantages in disaster monitoring that are all weather, independent of illumination imaging capabilities and strong stereoscopic sense. SAR technology played irreplaceable role in rapid response to Wenchuan Earthquake monitoring and damage assessment. With multi-source and multi-temporal high resolution SAR images, we conduct rapid, systematic and seriate...
In this work we present the results achieved within the Dragon project, cooperation program between the European Space Agency (ESA) and the National Remote Sensing Center of China (NRSCC), about monitoring the terrain motion in urban areas, measuring the city growth rate and analyzing the stability of big manmade structures. Among the processed areas, we report here the main results we obtained in...
The urban green land information is very important for planning urban and improving its environment. Satellite remote sensing provides advanced technology for obtaining the urban green land. Extracting the urban green land respectively from Beijing-1 Micro-satellite (BJ-1MS) and SPOT images is studied and compared in Chengdu city of P.R. of China. The urban green land area can be accurately extracted...
Urban areas represent a vital and highly dynamic environment, and monitoring their growth provides important input to decision and policy makers at large scale. Detection and outlining of urban areas from satellite sensors, though less precise, is faster than any on-site data collection. Various techniques have been proposed to classify urban areas, based on their typical features like textural features...
As less attention has been devoted to land scattering in high-resolution SAR, especially satellite image, a comprehensive statistical analysis of COSMO/SkyMed SAR data is carried out in this paper. The images of different land types (such as bare soil, grassland, water, forestland, urban area and farmland) are analyzed by means of histogram, kurtosis and covariance estimation. As the experimental...
In this paper, efforts were made to merge SPOT5 panchromatic image with multispectral images using six different data fusion algorithms, which were Hue-Intensity-Saturation(HIS), Principle Component Analysis(PCA), Kauth-Thomax (K-T) transform, Linear-weighted transform, Brovey fusion and Wavelet transform fusion. We evaluated the fusion images in both subjective and objective factors. The research...
Mobile mapping system has become an irresistible trend used for 3D urban environment modeling, transportation engineering, road survey and other applications during last few years. A typical car-borne laser scanner based mobile mapping system today can be considered as a multi-sensor system that integrates various navigation devices and data acquisition sensors on a rigid, moving platform like a van...
Remotely sensed data and related processing techniques have proven an effective tool for urban areas study, so that the integration of such products with other cartographic and thematic mapping products can help the management of the urban environment and ease the work of policy makers in city planning and administration. The focus of this work is on the topic of urban areas mapping over province...
A Persistent Scatterer Interferometry (PSI) technology is used to detect ground deformation from ASAR images acquired from 2007-2008 in the urban area of Guangzhou in South China. To obtain active ground subsidence zones a great value filter method is developed to extract characteristic points with great values. Based on the ground deformation rate maps of the study area, a thematic map of the active...
By the help of remote sensing techniques, urban growth of Shenyang was monitored. On the one hand, multisource and multi-temporal images were classified into two classes, built-up area and non-built-up area. Then urban expansion was depicted clearly during the past 28 years. On the other hand, NDVI data from 1999 to 2007 were processed to indicate the change of vegetation, which would be affected...
In this paper, we present and apply a semisupervised support vector machine based on cluster kernels for the problem of very high resolution image classification. In the proposed setting, a base kernel working with labeled samples only is deformed by a likelihood kernel encoding similarities between unlabeled examples. The resulting kernel is used to train a standard support vector machine (SVM) classifier...
3D terrestrial laser scanning (TLS) appears in 1980s. As a new high-tech, TLS can fast obtain the 3D coordinates of objects on the ground surface through high-speed laser scanning. However, it is still an urgent problem that how to deal with the high density and unorganized point clouds, including reducing noise and modeling these mass data. The main purpose of this paper is to research how to reduce...
Separation of land surface temperature (LST) and emissivity from the remote sensing data is crucial to the urban energy consumption estimation. The difficulty of the TES method is that a single multispectral thermal measurement with N bands presents N equations with N+1 unknown parameters (N spectral emissivities and one land surface temperature).Accordingly, the simultaneous estimation is an underdetermined...
A novel ant colony optimization (ACO) algorithm takes inspiration from the coordinated behavior of ant swarms finding the shortest way from their nests and the food source, which has been applied on many research areas for solving optimization problems, but it has seldom been used in remote sensing data processing. ACO algorithm has many potential advantages in remote sensing data processing, such...
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