Frequency Modulated Continuous Wave radar or FMCW radar has obvious advantages on its low emitting power, strong resistance to inference signals, compact in size and high precision, therefore it is becoming widely used for distance and velocity measurement. The resolution of the FMCW radar is largely...

In order to enhance the quality in filtering InSAR interferograms, this paper proposes and constructs a Wavelet-Sigma filter (WSF) in view of the respective merits of wavelet transform and Sigma filter. The WSF and its computer program are developed to remove interferogram noise. To validate the proposed...

A latitude-longitude positioning-method has been developed to determine the location of air-borne SAR(Synthetic Aperture Radar) imagery without GCPs(Ground Control Points) based on the F.Leberl Model by using GPS(Global Positioning System)/INS(Inertial Navigation System) system and errors caused by the...

This paper analyzes the uncertainty of classification posterior probability of support vector machine (SVM) using urban hyperspectral images. The hyperspectral images in Zhangye are selected as the study zone, and the sample parameter data were acquired based on the high resolution images and the ground...

Coastline of Laizhou Bay was affected by natural and anthropogenic factors and changed severely in the last 31 years. It has great significance to monitor Laizhou Bay coastline change for coastal zone protection and utilization. Based on the extraction of coastline information by selecting 8 remotely...

Sea Island is important marine resources, which play important role in promoting the development of ocean industry, but with the violent development of island resources, original natural ecological and ocean environment of the island were destroyed. In order to protect the island, the high resolution...

The study area is the tidal flat of the Liangduo River Gate, which is located on the Jiangsu coast. It uses the field measurement data and the remote sensing data to analyse the dynamic geomorphology and development characteristics. The results show that the tidal current is strong and the suspended...

Discrimination of farmland areas on different row directions from SAR image is very significant to the selection of the optimal row direction for the cultivation and the yield. In order to reduce the effects of the speckles and improve the accuracy, the paper put forward a method which extracts the farmland...

In order to study the impact that land reclamation had on coastline of Fujian Province, three phases of Landsat TM/ETM+ image, spanning 15 years, were used to monitor the coastline change. The entire coastline was extracted from preprocessed Landsat TM/ETM+ images based on edge detection operator-Canny....

Traditional digital elevation model (DEM) is extracted from a pair of stereo images with a wide baseline. But wide baselines may increase the likelihood of occlusion problems and the difficulties of image matching. In this work, a method that generates DEM from multispectral images with very narrow baseline...

Vehicle-borne LiDAR is a new technical means to quickly obtain high precision three-dimensional data for the city modeling and digital city construction. But the data are discrete and no topological relations. So this research is focused on the vehicular laser-scanning system to obtain the feature lines...

The rapid expansion of impervious surface has become a major factor affecting ecosystem health of the high density river network. In this paper, the ensemble learning of CART analysis was used to estimate impervious surface percent(ISP) through Variable Precision Rough Sets (VPRS). First, Landsat TM...

A new method on single-looking complex SAR images coregistration from interferometric coherence modeling is proposed to accurately seek homologous points. The set of Doppler, slant-range and ellipsoid equations are employed to compute the coarse matching position. The mathematical model of spatial coherence...

Land is a sustainable renewable resource important for its huge influence on environment, society and economy. In this paper, a new framework was put forward to building urban land use spatial early warning system. In the proposed approach, system dynamic model (SD), cellular automata model (CA), temporal...

The eco-security of Dongjiang watershed was evaluated in 1988, 1998 and 2007 separately after the eco-security index system establishment, which included three first-class indicators and eighteen second-class indicators based on P-S-R model. The eco-security dynamic degree was built to analysis the temporal...

In order to realize automatical observation of Precipitation, Optical precipitation auto-measurement system is designed based on linear image sensor. Considering the mass acquisition data which are inconvenient for transmission and processing under continuous operation, real-time binarization and encoding...

Motivated by the widespread use of real-time video streaming techniques over peer-to-peer networks, we propose a design of a peer-to-peer solution for real-time remote sensing imagery browsing. In this paper we firstly identify the characteristics of image browsing and mapping them to P2P-based streaming....

Quick road extraction from earthquake disaster area is very important for the earthquake emergency and rescue. For taking advantage of the multiple data sources and complexity of the contextual environments, an automatic model on the road detection is created by using a number of feature descriptors...

Spatial heterogeneity, by applying the index of fractal dimension, can quantitatively analyze the ecology function and quality of different landscapes in different scales. In this paper, the road-region vegetation ecosystem of Nanjing urban roads was studied by means of semi-variogram analysis, fractal...

The major accidents of hazardous chemicals always occur suddenly and result in rapid proliferation, wide range of damage as well as grave consequences. So that quick, accurate and effective response to the situation after the accidents is the most crucial part of the rescue. Meanwhile, the timely information...

With the rapid development of society and economy, the increasing demands of coal resources not only caused the over-exploitation, but also damaged the ecological environments. So it is important to restore the mining areas, which largely means vegetation restoration. This paper takes Heidaigou mining...

Using the mesoscale coupled air-sea model, Typhoon Winnie (1997) is numerical simulated to investigated the impact of air-sea interaction on atmosphere. Compared with uncoupled model, the simulated results of typhoon intensity from coupled model become more realistic, with decreases in central pressure...

Taking the year 1979, 2008 and 2010 as the representative reference periods, the vulnerabilities and loss risks of hazard-affected bodies from Wenchuan Earthquake-induced geohazard-chain and its temporal-spatial changes in Qingping country have been analyzed mainly through GIS, high-resolution remote...

In this paper, Chuzhou area in Anhui province was taken as the study area, and deciduous broad-leaved forest as the study object. The NDVI was obtained based on HJ-CCD remote sensing images acquired on April 1,2012 and May 4,2012 when broad-leaved forest was respectively in leaf expansion and flowering....

In this paper, the ocean goals, including ships, coastline, using of sea area, islands, oil spell, sea ice and green tide ,are monitored based on Airborne SAR data. We analyze the principles and advantages of the use of airborne SAR data to monitor these seven targets. The experience has shown that the...

This paper selected Changping District located in suburban area of Beijing as a case study, based on Land sat TM image data in 1998 and 2009 for extracting the information about vegetation index and land use. It analyzed the relationship between land use change and vegetation indexes for providing the...

A new ocean wind vector retrieval method is proposed that the wind speed and direction are estimated simultaneously using the normalized radar cross sections detected from different angles and geophysical model function according to the sounding characteristics of airborne SAR. The wind direction ambiguity...

Remote sensing technology has been widely applied in many fields, in recent years with the advance of geographical national conditions monitoring pilot, remote sensing images has become an important part in geographic national conditions monitoring system, is an important data acquisition means. In this...

This paper discusses the forgery detection problem in meteorological facsimile maps via the intrinsic features of these maps. Meteorological facsimile maps are of much importance to navigation in ocean. Once the meteorological facsimile maps are tampered, the safety of ships will be possibly greatly...

This paper discussed the expression of vector data under the Web environment, introduced a spatial data sensitive crawler (SDSC), and tested the novel technique to collect vector data in real cases. Furthermore, a defect reduction model has been improved so that the level of confidence of different vector...

The paper mainly introduced the basic principle and method of Object-oriented classification technology and made studies and research on decision tree classification technology. In addition, the remote sensing image was classified with Object-oriented way by using C5.0 algorithm, and compared with the...

Multi-temporal remote sensing imagery is widely used to map the urbanization-caused landuse temporal dynamics, which mainly appears as built-up growth. Remote sensing integrated with landscape metrics is also used to quantitatively describe the landscape pattern of the urban area in recent literatures....

Regional urban extraction is an essential process in analyzing urban agglomeration based on GIS and RS.Urban agglomeration will become the main form of urbanization of China in the future .In this paper, we present results from efforts to map urban agglomeration built-up land at 500 m spatial resolution...

Ground penetration radar (GPR) is a geophysical method that is commonly used in archaeological and forensic investigations, including the determination of the exact location of mausoleums. In this paper, a GPR case history at archaeological site is presented. The results show some very successful studies...

As a climatic phenomenon, the urban heat island (UHI) obtains intrinsic variation characteristics at different temporal scales. However, investigations on the intra-annual variations of UHI in mega cities are still rare. In this study, high-quality LST time-series datasets of the Beijing municipality...

Using a CCD as the detector, side-scatter lidar has great potential application in the near range atmospheric detection. Side-scatter lidar equation is different from backscatter lidar in terms of atmospheric transmittance and atmospheric scatter coefficient. A new inversion method is proposed for side-scatter...

Sea surface air specific humidity is important in the remote sensing of the Earth from space. First, the progress of satellite remote sensing near sea surface air specific humidity is studied, then, the principle of near sea surface ai specific humidity retrieval is illustrated; further research is suggested...

Impervious surface played an important role in monitoring urban sprawl and understanding human activities. Linear spectral mixture analysis (LSMA) is commonly used to estimate impervious surface due to its simple structure and clear physical meaning. But previous researches found that LSMA seems to overestimate...

In order to identify noise type of the InSAR interferogram and facilitate more effective interferogram processing, especially for interferogram filtering based on wavelet transform, a novel methodology for identifying noise type and estimating noise level was reported. This methodology combined a wavelet...

Using MODIS satellite data of different periods, the change in water area of Nam Co during 2000-2011 is analyzed based on geographical information system (GIS) and remote sensing (RS) techniques. The results show that the Nam Co expanded continuously in recent 11 years with an average increase rate of...

Urban vegetation, which scatters in gardens, settlements and streets etc., appears small, often fragmented, linear patches. Automatic vegetation detection in color remote sensing imagery is useful for obtaining more timely and accurate information. In this paper, a new biological vision methodology based...

This paper proposes a new approach for linear feature from SAR images based on the modified LSD algorithm. This approach consists of three steps: computing the information of the edge, extracting the lines and the validating the lines. First, the ROEWA detector and the Gabor filter are used to extract...

3D laser scanning technology to a complete and high-precision reconstruction scan physical and quick access to the raw survey data, the most important feature is high precision, fast speed, approaching the prototype, has been widely used in various fields of mapping and other. In this paper, based on...

The study is about the monitoring index of the growth of paddy rice with remote sensing in use of MODIS data in 2010, drawing 4 vegetation indices, ration vegetation index (RVI) normalized difference vegetation index (NDVI) vegetation condition index (VCI) and enhanced vegetation index (EVI) as remote...

Accurate estimation of rice biomass plays a role in crop growth monitoring and agricultural carbon cycle. Dual-polarization Radarsat-2 data were used in this study for rice biomass inversion. Artificial neural network (ANN) method has been applied to simulate the relation between rice canopy parameters...

In recent years, the Atmosphere-Ocean and Space environmental remote sensing technology such as atmospheric temperature and moisture profiles, sea surface wind field, and total electron content based on the GNSS signals has been widely concerned. This paper researches the mechanism and method of the...

This paper describes the low altitude unmanned airship remote sensing technology, with the wide angle combined camera, high resolution and wide images are obtained. By adopting combined camera self-calibration technology, the distortion and error of wide virtual combined image are eliminated or constricted...

the paper studies the method application to estimate vegetation pixel by using normalized difference vegetation index and the threshold parameter of the near infrared. It is applied for the experiment of the vegetation extraction in Tangshan city by using TM and ETM+ images. The graph of vegetation information...

Since CBERS-02C was successfully launched on December 22, 2011, the data of this satellite has been widely used in many fields. One of the most applicable products is the high-resolution mosaicked image which is covered by a combination of 6 charge-coupled device (CCD) line sensors, each with 4096 pixels....

On the basis of analyzing thermal infrared technology application potential on the uranium prospecting, the paper applies this technology to the silicification information extraction. Taking TAOSHAN granite-type uranium deposits in south china for example, the paper established a new set of technology...

A new methodology to process received signal in X band ultra-high resolution synthetic aperture radar (SAR) is presented in this paper. The received wideband signal is decomposed into sub bandwidth signals firstly, which are compressed by the chirp scaling algorithm (CSA) and then combined in 2-D frequency...

This paper focus on the design experimentation system of data processing in two camera image, for experimentation of relief stereo mapping and on image processing methods, which base on its composition and dual combination of wide angle digital camera design principles. Practice shows that flight efficiency...

Synthetic Aperture Radar (SAR) has the all-day, all-weather ability to work. It has become one of the important sensors for military reconnaissance and civilian remote sensing. Radio frequency interference (RFI) is the major interference source for low frequency band SAR systems. This paper proposes...

to detect the change in the terrain using multi-temporal images has becoming one of the important applications of remote sensing technology. In order to receive a result with high accuracy, the relative radiometric correction among images must be done before the detection. The surface radiation is affected...

Cities and surrounding suburbs are Earth's fastest growing land use.For the purpose of predicting future urban evolution trends and elaborating rational policies for regulation and control, it’s significant to distinguish correctly the rules of urban expansion and to analyze the evolution process. Offering...

This paper summarizes the different interpretation methods using remote sensing data to detect Faults. As different data sources have respective advantages in the extraction of structural information, the paper proposes a decision fusion method to interpret faults using the ETM+ images, SPOT5 images...

The Simulation of millimeter wavelength cloud radar reflectivity factor, which aimed to verify the inversion algorithm of cloud microphysical parameters, is an important issue in millimeter wavelength cloud radar development and the validation of its performance. By using the auxiliary data of temperature,...

The comparison of multi-spectral images (so-called change detection) before and after the underground nuclear test can reduce search area for the on-site inspection and assist us in locating underground nuclear explosion (UNE). With TM images and multivariate alteration detection method, anomaly detection...

Present scenario gives importance to precision image representing information about remote sensing, medicine, seismic etc. which are more importance to decision makers and researchers. These precision data are of very high resolution in nature in order to give optimal information which in turn occupies...

In the period of rapid urbanization, timely and comprehensively understanding the spatial and temporal characteristics of urban expansion has substantial meaning for the city scientific planning and rational use of land. This paper, using the multispectral image data of“TM” and “Beijing-1” small satellite...

There is multi-degree-of-freedom non-cooperation motion of ships in rough seas which makes the quality of the ships’ SAR images get poor. In this paper, the ship motion model was built based on the strip theory at first. Then, the quality of the ships’ SAR images which are in different sea states was...

TASI can provide abundant useful information for the retrieval of emissivity spectrum and temperature. This paper sums up the progress of land surface temperature; summarize several methods for temperature and emissivity separation analyse the advantage and disadvantage of each method. In addition, This...

Using airborne light detection and ranging (LiDAR) point cloud data for building reconstruction, is widely used in urban construction, planning and dynamic monitoring, etc. So far, it is still difficult to applied in rapid modeling in large areas. In this study, based on the GIS platform, with the utilization...

Soil salinization is one of the most common land degradation processes in arid and semi-arid regions that impact the growth of many crops. Remotely sensed data has great potential for monitoring dynamic processes, including salinization. But the fluctuant microtopography controls the space distribution...

According to the interpretation of 2 Ximen Island high-resolution remote sensing images in 2007 and 2010, combined with its wetland land cover and land use status, set up Ximen Island wetland landscape classification system. Used software to calculate landscape pattern index and landscape transition...

Quantization must be taken in the process of data digitization and storage. Remote sensing data use different quantization levels in the process of gathering and storage. Remote sensing data is always compared with other data to decide whether its quality is good or bad, using many quality indexes. But...

Remote sensing and GIS technology was adopted to monitor temporal and spatial distribution of continental coastline in the Bohai Rim from 2000 to 2008. Moreover, this paper has analyzed the fractal dimension change of coastline. Both the length and fractal dimension of the coastline in Bohai Rim increased...

High-spatial-resolution remote sensing image contains rich texture information and high variability of spectral information, but the rich details greatly increase the difficulty of segmentation. For this reason, this paper proposes a new method of high-spatial-resolution remote sensing image segmentation...

Remote sensing has been proved to be a useful technique in measuring water depth in coastal zone. This paper takes Haikou Bay as the study area. The spectral analysis of the correlation index between TM image and the observed water depth from chart is made. TM3 gives the largest absolute correlation...

Analyzing the significance of macroscopical dynamic monitoring of new increased construction land, considering the influence of various factors, this paper selects Yinchuan Plain for a typical experimental zone, builds knowledge base of remote sensing images interpretation, uses multi-temporal remote...

Aiming at the condition that each point in point clouds has different positional accuracy, a new method for fitting plane to point clouds is proposed. The method is based on weighted total least squares (WTLS). According to the effect of intensity of each point on positional accuracy and the structure...

Terrestrial laser Scanning (TLS) intensity data are influenced by many factors. In this paper, the influence of target surface properties on TLS intensity data is considered. Experiments were carried out with standard reflector, some different color plates and selected building facades of various kind...

This paper extracted oil spill which happened in Gulf of Mexico using two images obtained from MODIS on May 17,2010 and May 24,2010, and then analyzed the accuracy of extraction results based on the confusion matrix. It was conducted with eigenvectors built by multi-spectral information and spectral...

Persistent Scatter (PS) InSAR is an extension to the conventional InSAR techniques. It offers a practical way to reduce the temporal and geometrical decorrelation, and atmospheric artifacts in conventional D-InSAR processing method, therefore can be successfully applied in long-time subtle surface deformation...

The plain area of the Du Jiang Yan city was the key area of the reconstruction area after the 2008’s earthquake, so the land use in this area had experienced a large-scale and fast change from 2009 to 2012. Two temporal remote sensing images, taken by the HJ satellite in the April of 2009 and 2012, are...

In this paper, we present a modified imaging algorithm and the target-location method for the general case of bistatic synthetic aperture radar (BiSAR), when the transmitter and receiver move along nonparallel trajectories with different velocities. As a step to a numerically efficient processor, the...

This study aims to develop a model of using Formosat- 2 satellite images to detect vegetation changes in 15,000 - hectare hilly areas in Taipei City. This model is expected to assist Geotechnical Engineering Office under the Taipei City Government in establishing a Multi- scale Monitoring Mechanism to...

Dual-spectra ratio method is generally considered superior to single-spectra approach in the most previous studies for water depth inversion by ETM image. In this paper, the correlation between the ETM’s spectral and the water depth is analyzed. TM2 gives the largest absolute correlation index in all...

In this paper, a new filtering algorithm of LiDAR point clouds is presented, which can work well in complex cityscapes. This method generates marker image from grid DSM by erosion firstly, and then geodesic dilate on marker image repeatedly to implement opening by reconstruction process, finally white...

The importance of scale issues is described in this paper. It also expounds the situation of the study on scale effect, scale transformation and optimal scale selection. Then, several scale transformation algorithms have been discussed. And the technical characteristics of optimal scale selection method...

The detection of ship wakes is one of the most important targets in the area of SAR image applications, but the existing Radon Transform (RT) or Hough Transform (HT) based line detection methods can only be used to examine the collinearity of image points in the parametric space. Considering the characteristics...

We usually make use of the wave stripes of the synthetic aperture radar(SAR) imagery to retrieve the ocean wave properties based on the SAR-ocean mapping model. Due to the lower resolution, the ScanSAR mode imagery has no apparent ocean wave stripes but possesses the great advantage of large area of...

Grid workflow is an intuitive and convenient tool for user to use Grid services. It provides a framework for solving the remote sensing distributable computing problem in an integrated unified processing environment of Grid services. This paper firstly introduces the architecture of Grid workflow processing...

Vegetation cover in mining area may be influenced by the exploitation and utilization of mineral resources. Because of the small size of mine goaf, coarse-resolution remote sensed images are not able to detect the variation of vegetation above the goaf. In this paper, the 250 m MODIS NDVIs were disaggregated...

The availability of in situ measurements of precipitation in remote locations, especially in mountainous regions of northwest of China, is limited. The ground-based hydro-meteorological observations are frequently sparse in remote mountainous regions and the situation is not improving. While hydrological...

Utilizing remote sensing technology to explore mineral resources with multi- and hyperspectral geologic,which is adopted to extract alteration anomaly and mineral mapping, can detect mineral information directly and be used for prognosis possible exploration target areas.Choosing Honghai area of Hami...