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Author: Ahmed Adel Darwish
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Ahmed Adel Darwish
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Thomas Blaschke
Publisher: Springer Science & Business Media
ISBN: 3540770585
Category : Science
Languages : en
Pages : 804
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Book Description
This book brings together a collection of invited interdisciplinary persp- tives on the recent topic of Object-based Image Analysis (OBIA). Its c- st tent is based on select papers from the 1 OBIA International Conference held in Salzburg in July 2006, and is enriched by several invited chapters. All submissions have passed through a blind peer-review process resulting in what we believe is a timely volume of the highest scientific, theoretical and technical standards. The concept of OBIA first gained widespread interest within the GIScience (Geographic Information Science) community circa 2000, with the advent of the first commercial software for what was then termed ‘obje- oriented image analysis’. However, it is widely agreed that OBIA builds on older segmentation, edge-detection and classification concepts that have been used in remote sensing image analysis for several decades. Nevert- less, its emergence has provided a new critical bridge to spatial concepts applied in multiscale landscape analysis, Geographic Information Systems (GIS) and the synergy between image-objects and their radiometric char- teristics and analyses in Earth Observation data (EO).
Author: Swarnalatha, P.
Publisher: IGI Global
ISBN: 1522536442
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
The scope of image processing and recognition has broadened due to the gap in scientific visualization. Thus, new imaging techniques have developed, and it is imperative to study this progression for optimal utilization. Big Data Analytics for Satellite Image Processing and Remote Sensing is a critical scholarly resource that examines the challenges and difficulties of implementing big data in image processing for remote sensing and related areas. Featuring coverage on a broad range of topics, such as distributed computing, parallel processing, and spatial data, this book is geared towards scientists, professionals, researchers, and academicians seeking current research on the use of big data analytics in satellite image processing and remote sensing.
Author:
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Category :
Languages : pt-BR
Pages :
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A presente tese investiga a representação explícita de conhecimentoespecífico na interpretação de imagens de baixa resolução multitemporaisadquiridas por satélite. Neste contexto, o termo conhecimento específico, se referea todo e qualquer tipo de conhecimento que torna um indivíduo capaz de ou maisapto para realizar uma determinada tarefa. Dentro do escopo desta tese, conhecimento específico compreende o conjunto das informações necessárias paraa interpretação de imagens de satélite de baixa resolução, como por exemplo: ascaracterísticas das classes presentes, o manejo agronômico e a ecologia da regiãode interesse. Assim sendo, a presente tese propõe um modelo para a interpretaçãobaseada em conhecimento de imagens de satélite de baixa resolução visandoreproduzir o raciocínio empregado pelo foto-intéprete ao realizar a interpretaçãovisual. Neste modelo são empregadas diferentes formas de conhecimentoespecífico: 1) Conhecimento espectral que associa as diversas assinaturasespectrais observadas na imagem de entrada às classes da legenda, agrupando emuma única classe espectral as classes da legenda cujas assinaturas espectrais sejamde difícil discriminação. 2) Conhecimento contextual que indica os diversoscontextos relevantes para a discriminação de classes da legenda com assinaturasespectrais semelhantes. 3) Conhecimento multitemporal que relaciona, considerando a classificação anterior, as classificações possíveis no presentemomento e a possibilidade de ocorrência de cada uma delas. A potencialidadedesta abordagem foi avaliada através de uma série de experimentos, onde, comobase de dados, são utilizadas imagens de duas regiões inseridas na Alta Bacia doRio Taquari ao leste do pantanal mato-grossense. O objetivo primordial destesexperimentos foi explicitar a contribuição de cada forma de conhecimento. Os resultados obtidos foram animadores e indicam que o uso de abordagens baseadasem conhecimento pode automatizar grande parte do processo de fotointerpretação, aumentando a produtividade dos foto-intérpretes. No futuro, osresultados da presente pesquisa contribuirão para a construção de sistemascapazes de realizar uma estratégia de interpretação qualquer a ser definida pelopróprio foto-intérprete, acelerando o monitoramento do uso do solo com base emimagens de baixa resolução adquiridas por satélite.
Author: Eric D. Conway
Publisher: JHU Press
ISBN: 9780801855771
Category : Science
Languages : en
Pages : 270
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Book Description
The program requires a Macintosh, Windows, or Windows 95 operating system.
Author: Robert R. Hoffman
Publisher: CRC Press
ISBN: 1000612090
Category : Technology & Engineering
Languages : en
Pages : 315
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Book Description
No matter how advanced the technology, there is always the human factor involved - the power behind the technology. Interpreting Remote Sensing Imagery: Human Factors draws together leading psychologists, remote sensing scientists, and government and industry scientists to consider the factors involved in expertise and perceptual skill. This boo
Author: Marlies de Gunst
Publisher:
ISBN: 9789061322597
Category : Aerial photography in road surveying
Languages : en
Pages : 196
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Book Description
Author: Surekha Borra
Publisher: Springer
ISBN: 9811364249
Category : Technology & Engineering
Languages : en
Pages : 110
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Book Description
Thanks to recent advances in sensors, communication and satellite technology, data storage, processing and networking capabilities, satellite image acquisition and mining are now on the rise. In turn, satellite images play a vital role in providing essential geographical information. Highly accurate automatic classification and decision support systems can facilitate the efforts of data analysts, reduce human error, and allow the rapid and rigorous analysis of land use and land cover information. Integrating Machine Learning (ML) technology with the human visual psychometric can help meet geologists’ demands for more efficient and higher-quality classification in real time. This book introduces readers to key concepts, methods and models for satellite image analysis; highlights state-of-the-art classification and clustering techniques; discusses recent developments and remaining challenges; and addresses various applications, making it a valuable asset for engineers, data analysts and researchers in the fields of geographic information systems and remote sensing engineering.
Author: Kari Sentz
Publisher:
ISBN:
Category : Dempster-Shafer theory
Languages : en
Pages : 100
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Book Description
Dempster-Shafer theory offers an alternative to traditional probabilistic theory for the mathematical representation of uncertainty. The significant innovation of this framework is that it allows for the allocation of a probability mass to sets or intervals. Dempster-Shafer theory does not require an assumption regarding the probability of the individual constituents of the set or interval. This is a potentially valuable tool for the evaluation of risk and reliability in engineering applications when it is not possible to obtain a precise measurement from experiments, or when knowledge is obtained from expert elicitation. An important aspect of this theory is the combination of evidence obtained from multiple sources and the modeling of conflict between them. This report surveys a number of possible combination rules for Dempster-Shafer structures and provides examples of the implementation of these rules for discrete and interval-valued data.
Author: John Alan Richards
Publisher: Springer
ISBN: 9783540548409
Category : Analyse d'images
Languages : en
Pages : 340
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Book Description
From the reviews of the first edition: "Quantitative evaluation of satellite and aircraft derived and remotely retrieved data is a increasingly important tool for all ecologists. The author fulfills his stated aim of providing an introductory text for non-specialists. The book introduces all the basic concepts necessary to facilitate quantitative evaluation of digital remotely sensed data in such a way that the reader can appreciate limitations of computer-based algorithms and the pros and cons of alternative procedures without having to follow a mathematically detailed treatment. Each of the eleven chapters concludes with a critical appraisal of the associated bibliography and with a collection of problems, presumably aimed at undergraduate students, but of considerable use to the single reader as well." #"Ecomod -" "The ISEM Newsletter"#1 Now in its second edition this well established introductory text presents the complete spectrum of acquisition, analysis and processing of remotely sensed image data. The revisions reflect the developments in satellite and sensor programs as well as new processing techniques. A new chapter is devoted to knowledge-based image processing.
