light absorption in sea water atmospheric and oceanographic sciences library

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Light Absorption In Sea Water

Author : Bogdian Wozniak
ISBN : 9780387495606
Genre : Science
File Size : 26. 56 MB
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This book provides a detailed description of light absorption and absorbents in seawaters with respect to provenance, region of the sea, depth of the occurrence and trophicity. The text is based on a substantial body of contemporary research results taken from the subject literature (over 400 references) and the work of the authors over a period of 30 years.

Image Blending Techniques And Their Application In Underwater Mosaicing

Author : Ricard Prados
ISBN : 9783319055589
Genre : Computers
File Size : 69. 87 MB
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This work proposes strategies and solutions to tackle the problem of building photo-mosaics of very large underwater optical surveys, presenting contributions to the image preprocessing, enhancing and blending steps, and resulting in an improved visual quality of the final photo-mosaic. The text opens with a comprehensive review of mosaicing and blending techniques, before proposing an approach for large scale underwater image mosaicing and blending. In the image preprocessing step, a depth dependent illumination compensation function is used to solve the non-uniform illumination appearance due to light attenuation. For image enhancement, the image contrast variability due to different acquisition altitudes is compensated using an adaptive contrast enhancement based on an image quality reference selected through a total variation criterion. In the blending step, a graph-cut strategy operating in the image gradient domain over the overlapping regions is suggested. Next, an out-of-core blending strategy for very large scale photo-mosaics is presented and tested on real data. Finally, the performance of the approach is evaluated and compared with other approaches.

Computer Vision In Vehicle Technology

Author : Antonio M. López
ISBN : 9781118868072
Genre : Computers
File Size : 80. 18 MB
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A unified view of the use of computer vision technology for different types of vehicles Computer Vision in Vehicle Technology focuses on computer vision as on-board technology, bringing together fields of research where computer vision is progressively penetrating: the automotive sector, unmanned aerial and underwater vehicles. It also serves as a reference for researchers of current developments and challenges in areas of the application of computer vision, involving vehicles such as advanced driver assistance (pedestrian detection, lane departure warning, traffic sign recognition), autonomous driving and robot navigation (with visual simultaneous localization and mapping) or unmanned aerial vehicles (obstacle avoidance, landscape classification and mapping, fire risk assessment). The overall role of computer vision for the navigation of different vehicles, as well as technology to address on-board applications, is analysed. Key features: Presents the latest advances in the field of computer vision and vehicle technologies in a highly informative and understandable way, including the basic mathematics for each problem. Provides a comprehensive summary of the state of the art computer vision techniques in vehicles from the navigation and the addressable applications points of view. Offers a detailed description of the open challenges and business opportunities for the immediate future in the field of vision based vehicle technologies. This is essential reading for computer vision researchers, as well as engineers working in vehicle technologies, and students of computer vision.

Beyond The Visible

Author : Pedro J Aphalo
ISBN : 9789521083624
Genre :
File Size : 71. 59 MB
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Beyond the Visible: A handbook of best practice in plant UV photobiology presents methods for research on the responses of plants to ultraviolet (UV) radiation. The knowledge needed to make informed decisions about manipulation and quantification of UV radiation is summarized. Practical recommendations for obtaining reliable and relevant data and interpretations are given. The handbook covers research both on terrestrial and aquatic plants and it deals with experimentation on ecological, eco-physiological and physiological questions. The handbook includes 115 figures, mostly in colour, 19 tables and 12 text boxes. It is the result of the activities of COST action FA0906 "UV4growth," and it includes contributions by 17 authors. From the foreword by Dr. Marcel A. K. Jansen: "This book ... is an important contribution towards such sound experimental design, promoting both "good practice" in UV-B manipulation, as well as "standardisation" of methodologies. Writing an authoritative book that will steer experimental approaches over the coming years, can not easily be done by an individual, but rather requires the concerted effort of a team of expert scientists. ... This is surely an excellent example of a concerted, Europeanwide activity that will boost the plant UV-B research field in Europe and beyond, for years to come."

Elements Of Physical Oceanography

Author : Hugh J. McLellan
ISBN : 9781483151939
Genre : Science
File Size : 30. 77 MB
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Elements of Physical Oceanography provides a broad look at most of the topics of concern to Physical Oceanography without treating any part of the subject matter completely or exhaustively. This book originated in a set of lecture notes for an introductory course in Physical Oceanography given by the author in the Department of Oceanography and Meteorology at Texas A&M University. The book is organized into three parts. Part I on descriptive oceanography covers topics such as nature of oceanographic data, the chemical nature of the ocean, the temperature of the ocean, and temperature-salinity relationships. Part II on oceanic movements discusses accelerations arising from mass distribution and the Earth’s rotation, geostrophic and wind driven currents, waves, and tides. Part III covers various topics such as sound propagation, the heat budget of the ocean, and estuaries. This book aims to provide the non-physical oceanographer with insight into the physical nature of the environment influencing his chosen studies. The physical oceanographer will be somewhat less than satisfied with the treatment and will wish to read the publications referred to and to follow the suggestions for additional reading.

Marine Physics

Author : J. Dera
ISBN : 0080870910
Genre : Science
File Size : 52. 88 MB
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In trying to discover as much as possible about the marine environment, oceanography has split into many subdisciplines, each represented by innumerable publications. To date however, there has been no concise synthesis introducing readers to the whole array of physical processes in the sea, and showing how these processes are related to one another and to other natural phenomena. The author of Marine Physics aims to fill this gap. The volume presents energy and mass transfer processes in the marine environment together with an explanation of their effects on other processes. Starting with a general introduction to the thermodynamics of ocean waters, there follow chapters on radiation transfer processes; the molecular exchange of mass, heat and momentum; the turbulent exchange of mass, heat and momentum; small-scale air-sea interactions; modelling the surface boundary layer; and the propagation of acoustic waves in the sea. The discussions begin with physical principles and culminate in a presentation of current research problems. The volume is completed with the presentation of basic quantities, equations, formulas and diagrams, as well as indexes and 576 literature references. This volume should be an invaluable resource to post-graduates and scientists in the fields of engineering and oceanography, and for those interested in the protection or exploitation of the marine environment.

Radiative Transfer In The Atmosphere And Ocean

Author : Gary E. Thomas
ISBN : 0521890616
Genre : Science
File Size : 34. 89 MB
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Provides a foundation of the theoretical and practical aspects of radiative transfer, for the atmospheric, oceanic and environmental sciences.

Cloud Optics

Author : Alexander A. Kokhanovsky
ISBN : 1402039557
Genre : Science
File Size : 72. 22 MB
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Clouds affect the climate of the Earth, and they are an important factor in the weather. Therefore, their radiative properties must be understood in great detail. This book summarizes current knowledge on cloud optical properties, for example their ability to absorb, transmit, and reflect light, which depends on the clouds’ geometrical and microphysical characteristics such as sizes of droplets and crystals, their shapes, and structures. In addition, problems related to the image transfer through clouds and cloud remote sensing are addressed in this book in great detail. This book can be an important source of information on theoretical cloud optics for cloud physicists, meteorologists and optical engineers. All basic ideas of optics as related to scattering of light in clouds (e.g. Mie theory and radiative transfer) are considered in a self consistent way. Consequently, the book can also be a useful textbook to newcomers to the field.

Astrophysics And Space Science Library

Author :
ISBN : UCAL:B3943087
Genre : Astrophysics
File Size : 34. 93 MB
Format : PDF
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Government Reports Announcements

Author :
ISBN : MINN:30000010307928
Genre : Technology
File Size : 64. 46 MB
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