Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
This vision paper reviews the current state-ofart and lays out emerging research challenges in parallel processing of spatial-temporal large datasets relevant to a variety of scientific communities. The spatio-temporal data, whether captured through remote sensors (global earth observations), ground and ocean sensors (e.g., soil moisture sensors, buoys), social media and hand-held, traffic-related...
Based on traditional Mineralization information extraction technology, use of spectral angle mapping method (SAM) and support vector machine (SVM) method, alteration information extraction are used in Inner Mongolia, Ulan Chubb. First, preprocessing the original ASTER remote sensing image, and then study of the ore-related alteration of geological, in view of the different altered information uses...
Analysing the application signification of multi-source data fusion technology in geological and mineral survey, this paper introduces concrete concept, basic methods of multi-source data fusion technology, summarizes its work flow, implementation steps, key technologies and notice proceeding of application in geological and mineral survey according to the characteristic of geological and mineral...
This paper addresses the problem of change detection (CD) in very high geometrical resolution (VHR) multitemporal images. In this context, we propose a general conceptual framework that aims at giving: i) a taxonomy of different radiometric changes occurring when dealing with VHR remote sensing images; and ii) a global approach to the definition of the architecture of effective CD methods for VHR...
With the rapid urbanization, the land use of Wuhan changes frequently, and the method of remote sensing is used widely on macroscale and mesoscale land use change survey. The aim of the study was to classify the land use of Wuhan to obtain the area of every kind of land types, and to predict land use change trend in the next 15 years. In this process, the method of layered extraction of land types...
In the condition of abiding by energy conservation law, this paper discussed how to carry out data fusion on QuickBird digital number images using normalized ratio method. The study began with the standardized transformation of QuickBird radiance image, then the data fusion was carried out with the dimensionless image by ratio method, thus radiance image of band 1 to 4 with a resolution of 0.61 m...
Imaging systems, particularly those on board satellites, provide a repetitive and consistent view of the earth that has been used in many remote sensing applications such as urban growth, deforestation and crop monitoring, weather prediction, land use mapping, land cover mapping and so on. For each application it is necessary to develop a specific methodology to extract information from the image...
Compressive sensing (CS) has attracted many researchers since it offers a novel paradigm that one can acquire sparse signals at a sub-Nyquist rate without information losses. In J. Ma, April 2009, S. Bhattacharya et al, Aug 2007, and G. Rilling et al, 2009, the authors have presented some schemes for CS application on remote sensing imaging, some of which are related to SAR. CS remote sensing imaging...
This paper analyses the visual characteristics of ground buildings in high resolution SAR images: the L-shaped echoes resulted from layer over and corner reflection effects give expression to the information of location and height of buildings. Therefore, to vectorize the L-shaped outline of the buildings has a great value in the field of city mapping. Focusing on L-shaped echoes, this paper investigates...
As the 21st century begins, the number of natural disasters effecting populated areas has seen a dramatic increase. The cause of this increase can be attributed to a variety of factors including global climatic change, an increase in global population, and a related increase in the use of lands more vulnerable to natural disaster events. Timely monitoring and warning of natural disaster events is...
Hyperspectral imaging (HSI) is a powerful tool for various remote sensing tasks including agricultural modeling and landmine/ unexploded ordnance clearance. Although the application of standard supervised learning techniques to HSI data has previously been explored, several aspects of hyperspectral data collection and ground truth labeling make some of the assumptions underlying standard machine learning...
Because of the features of remote sensing data such as large quantity, complex format and wide distribution in heterogeneous storage devices of different geographic locations, it is quite difficult for integrating, exchanging and sharing remote sensing data effectively. On one hand, it is very hard to get continuous remote sensing data for some research institutions and individuals who urgently need...
Farmland measurements and crop yields are two main scientific aspects of precision agriculture. Farmland development at Heilongjiang Province, China has been rapidly expanding since 1950's. Meanwhile, there has been a trend that dry farmlands are converted to paddy field since 1990's. Therefore, there is a demand for accurate updated information on the newly developed and expanded paddy field area...
The Ground Control Points (Ground Control Points, GCPs) is an important baseline data of Remote Sensing Image correction. The quantity, distribution and accuracy of GCPs play an important role in correcting Remote Sensing Image. There are many Human factors may influence the quantity, distribution and accuracy of selected GCPs. To achieve scientific selection of GCPs we should define the concept of...
The increasing availability of remote-sensing images, acquired periodically by satellite sensors on the same geographical area, makes it extremely interesting to develop monitoring systems capable of automatically producing and regularly updating forest-cover maps of the considered site. In this paper, we designed and developed new object-based change detection algorithms, which are aimed at updating...
Target recognition based on knowledge is a hot topic in remote sensing field. However, due to the deficiency of knowledge organization and usage, existing algorithms have a great limitation in applicability and extensibility. Therefore, a framework of target recognition based on knowledge is proposed in the paper. Building on the decomposition and semantic description of the identification algorithm,...
Road information is useful in many fields. In this paper, a real-time mapping system is presented to acquire the image and determine the geometry of the road. These include designs of platform and instruments, data transmission, processing and archiving. Compare with the traditional platforms, the UAV (Unmanned Aerial Vehicle) platforms offer greater flexibility, shorter response time and is able...
The following topics are dealt with: industrial electronics; adaptive control; intelligent control; robust control; intelligent automation; genetic algorithm; network protocols; switch converters; power quality control; image processing; estimation and identification; sensors; actuators; fault diagnosis and prognosis; biomedical electronics; data processing; nonlinear systems and control; pattern...
It is well-known that remote sensing technology has played a very important role in the urban planning and management since 1980s. In the past thirty years, as one of spatial data sources, remote sensing datasets, which contain more information of earth surface as compared with usual urban maps, have been used in urban planning and management in China. With the development of remote sensing technology...
With the continuing increase in the number of images collected every day from different sensors, automated registration of multisensor/multispectral images has become a very important issue. This is especially true when pre- and post-event image comparison is concerned: for this particular application, the requirement of obtaining the earliest possible post-event image imposes the use of data potentially...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.