Digital Holography and Digital Image Processing, Leonid Yaroslavsky

Автор: Leonid Yaroslavskii
Название: Methods of Digital Holography
ISBN: 1475758294 ISBN-13(EAN): 9781475758290
Издательство: Springer
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Описание: Digital holography is the analysis and synthesis of wavefronts by means of digital computers. Here analysis means the construction of images of objects and the measurement of their physical characteristics by recording and measur- ing the wavefronts scattered by these objects. The synthesis is the reconstruc- tion of a wavefront of an object which is specified numerically. Problems involving the analysis and synthesis of wave fronts arise frequently in modem science and engineering. These are the problems encountered in the use of electromagnetic and sound waves to peer into the interior of various objects, the problems of the visual display of information in general, and the problems of measuring the characteristics of radiating systems, devising optical apparatus for signal processing, and developing hybrid electrooptic computer systems. Solutions are being sought for these problems through research in holography. The use of digital computers to analyze and synthesize wavefronts is an alternative to the analog methods, which include the methods of physical holography. The digital approach potentially has the advantages which are inherent in the digital technique for signal processing: the processing is highly accurate and absolutely reproducible; the characteristics of the processing or the processing algorithm itself can be changed in a simple way; complicated nonlinear and logic conversions can be carried out; the results are accessible; and it is easy to modify the process at any stage. Digital methods are particularly suitable where quantitative results are required.

Автор: B. Hildebrand
Название: An Introduction to Acoustical Holography
ISBN: 1461344832 ISBN-13(EAN): 9781461344834
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Описание: The purposeof this book is to bring together the results of research in acoustical holography, some of it as yet unpublished, under one cover so that workers in holography, nondestructive testing, medical imaging, underwater imaging, and seismic exploration can decide whether this new technique can be useful to them.

Автор: L. M. Soroko
Название: Holography and Coherent Optics
ISBN: 1468434225 ISBN-13(EAN): 9781468434224
Издательство: Springer
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Описание: Now that holography has matured (wIth Dennis Gabor having received the Nobel Prize In 1971) and that coherent optics has proved to be even more powerful than originally imagined, in open- ing the new field of optical computing, it is particularlyappropri- ate to make available to English-speaking readers the translation of a uniquely outstanding text which presents the general and per- manent foundations of the field. L. M. Soroko's book has proved its usefulness, since It ap- peared in Russian In 1971, following the basic pattern set in the world's first monograph In the field, An Introduction to Coherent Optics and Holography, written by G. w. Stroke in 1966, and since also available in Its second US edition (1969) from Academic Press, following the publication of its Russian edition by Mlr In 1967. To further enhance the usefulness of L. M. Soroko's book, and to assure that Its fundamental nature be completely updated, the Translation Editor, In agreement with the author, felt that this could best be assured by including an updating appendix In the form of three recent papers In the general field of opto-dlgltal holographic Image processing and 3-D reconstructions, especially -also since their bibliographies Include numerous further refer- ences to a great many authors and workers throughout the world.

Автор: N. Booth
Название: Acoustical Holography
ISBN: 1461582180 ISBN-13(EAN): 9781461582182
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Описание: This volume contains the Proceedings of the Sixth International Symposium on Acoustical Holography and Imaging, held in San Diego, California, February 4-7, 1975. The 38 papers presented here define the state-of-the-art in the rapidly developing field of acoustical holography and imaging.

Автор: Pierpaolo Boffi; Davide Piccinin; Maria C. Ubaldi
Название: Infrared Holography for Optical Communications
ISBN: 3540433147 ISBN-13(EAN): 9783540433149
Издательство: Springer
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Описание: The aim of this book is to exploit the advantages of holographic technology, in order to implement optical devices for infrared fibre communication applications. It covers methods ranging from two-lambda to gated recording techniques.

Автор: George Stroke
Название: Ultrasonic Imaging and Holography
ISBN: 1461344956 ISBN-13(EAN): 9781461344957
Издательство: Springer
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Описание: This book contains the cm1'1plete set of papers pres- ted at the Third United States-Japan Science Cooperation SeITlinar on the Subj ect of Holographic IITlaging and Infor- ITlation Processing, held at Hawaii, January 8 to 13, 1973, under the joint sponsorship of the National Science Foun- dation and the Japan Society for the ProITlotion of Science. The papers present the latest advances and state of the art in areas ranging froITl ultrasonic holography, radar and sonar to ultrasonic pulse-echo iITlaging, acoustic ITlicro- scopy and iITlage proces sing in bioITledical engineering. COITlputer proces sing of ultrasonic iITlages is extensively discussed. Several papers describe the reITlarkable appli- cations of ultrasonics in ITledical diagnostics. One describes new features in R&D ITlanageITlent that are particularly rele- vant to the field as a result of recent changes in national science and technology policies. We also present the ITlost recent advances in the powerful ITlethods of iITlage iITlprove- ITlent (sharpening, deblurring) which have been ITlade poss- ible with the aid of holograITls used as cOITlputing eleITlents; the holographic iITlage deblurring ITlethod is capable of an astonishing iITlproveITlent of iITlages that are still unattainable with even the ITlost powerful digital cOITlputer ITlethods. The book follows the 1971 PlenuITl Publishing COITlpany book, "Applications of Holography," which cOITlprised the papers presented at the Second U. S. -Japan SeITlinar held in Wash- ington, D. C., October 13 to 18, 1969.

Автор: E. Camatini
Название: Optical and Acoustical Holography
ISBN: 146841982X ISBN-13(EAN): 9781468419825
Издательство: Springer
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Описание: When Faraday performed the very first experiments on electromagnetic effects, which form the very foundation of modern civilization since virtually everything electrical utilizes them, he was asked of what use his experiments were. He is said to have replied: "What is the use of a baby?" That reply might also be given to those who asked what was the use of basic research which resulted in the development of the laser and holography. Brigadier General Leo A.Kiley, Commander, Office of Aerospace Research, USAF, in his remarks before the Society of Photo-Optical Instrumentation Engineers at the opening ceremony of the Seminar on Holography held at San Francisco, California, in May 1968, declared, "It has been said that in the twenty-first century at least half of the jobs that will exist then do not exist today. But be that as it may, I am sure that holography will be common- place. " And later "Even in its embryonic state today, the concept of holography is providing real world applications to the scientific community and I feel that continued rapid growth can be predicted." Now, only three years after these statements, the development of holography is extraordinary on the scientific side and very promising from the point of view of proven and potential applica- tions. Holography looks like an emerging technique, a valuable tool for engineers.

Автор: L. Kessler
Название: Acoustical Holography
ISBN: 1475706553 ISBN-13(EAN): 9781475706550
Издательство: Springer
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Описание: Meindl Stanford University Stanford, Ca. Metherell University of California Irvine, Ca. vii viii PREFACE Glen Wade University of California Santa Barbara, Ca. Keith Wang University of Houston Houston, Tx.

Автор: Philip Green
Название: Acoustical Holography
ISBN: 1475708297 ISBN-13(EAN): 9781475708295
Издательство: Springer
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Описание: This volume contains the Proceedings of the Fifth International Symposium on Acoustical Holograhy and Imaging, held in Palo Alto, California, on July 18-20, 1973. The 42 Symposium papers cover a wide range of theoreti- cal and applied topics, and effectively define the state-of- the-art in this rapidly developing field.