Light Field Imaging Applied To Reacting And Microscopic Flows

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Light Field Imaging Applied to Reacting and Microscopic Flows

Author :
Publisher :
ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (913 download)

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Book Synopsis Light Field Imaging Applied to Reacting and Microscopic Flows by :

Download or read book Light Field Imaging Applied to Reacting and Microscopic Flows written by and published by . This book was released on 2014 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: Light field imaging, specifically synthetic aperture (SA) refocusing is a method used to combine images from an array of cameras to generate a single image with a narrow depth of field that can be positioned arbitrarily throughout the volume under investigation. Creating a stack of narrow depth of field images at varying locations generates a focal stack that can be sued to find the location of objects in three dimensions. SA refocusing is particularly useful with reconstructing it can also be used for shape reconstruction. This study applies SA refocusing to reacting flows and microscopic flows by performing shape reconstruction and 3D PIV on a flame, and 3D PIV on flow through a micro channel. The reacting flows in particular posed problems with the method. Reconstruction of flame envelope was successful except for significant elongation in the optical axis caused by cameras viewing the flame from primarily one direction. 3D PIV on reacting flows suffered heavily from the index of refraction generated by the flame. The refocusing algorithm used assumed the particles were viewed through a constant refractive index (RI) and does not compensate for variations in the RI. This variation caused apparent motion in the particles that obscured their true locations making the 3D PIV prone to error. A microlens array was placed in the imaging section of the setup to capture a light field from the scene, which was then refocusing using SA refocusing. PIV on these volumes was compared to a CFD simulation on the same channel. Comparisons showed that error was most significant near the boundaries and the step of the channel. The axial velocity in particular had significant error near the step were the axial velocity was highest. Flow-wise velocity, though, appeared accurate with average flow-wise error approximately 20% throughout the channel volume.

Development and Application of Light-Field Cameras in Fluid Measurements

Author : Shengxian Shi
Publisher : Springer Nature
ISBN 13 : 303101779X
Total Pages : 227 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Development and Application of Light-Field Cameras in Fluid Measurements by : Shengxian Shi

Download or read book Development and Application of Light-Field Cameras in Fluid Measurements written by Shengxian Shi and published by Springer Nature. This book was released on 2022-08-13 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive guide to 3D Light-Field camera based imaging, exploring the working principles, developments and its applications in fluid mechanics and aerodynamics measurements. It begins by discussing the fundamentals of Light-Field imaging and theoretical resolution analysis, before touching upon the detailed optics design and micro-lens array assembly. Subsequently, Light-Field calibration methods that compensate for optical distortions and establish the relations between the image and real-word 3D coordinates are covered. This is followed by Light-Field 3D reconstruction algorithms which are elaborated for micrometer-scale particles and centimeter-scale physical models. Last but not least, implementations of the preceding procedures to selected fundamental and applied flow measurement scenarios are provided at the end of the book. Development and Application of Light-Field Cameras in Fluid Measurements gives an in-depth analysis of each topic discussed, making it ideal as both an introductory and reference guide for researchers and postgraduates interested in 3D flow measurements.

Micro Process Engineering, 3 Volume Set

Author : Volker Hessel
Publisher : John Wiley & Sons
ISBN 13 : 3527315500
Total Pages : 1413 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Micro Process Engineering, 3 Volume Set by : Volker Hessel

Download or read book Micro Process Engineering, 3 Volume Set written by Volker Hessel and published by John Wiley & Sons. This book was released on 2009-03-23 with total page 1413 pages. Available in PDF, EPUB and Kindle. Book excerpt: This three-volume handbook provides an overview of the key aspects of micro process engineering. Volume 1 covers the fundamentals, operations and catalysts, volume 2 examines devices, reactions and applications, with volume 3 rounding off the trilogy with system, process and plant engineering. Fluid dynamics, mixing, heat/mass transfer, purification and separation microstructured devices and microstructured reactors are explained in the first volume. Volume 2 segments microreactor design, fabrication and assembly, bulk and fine chemistry, polymerisation, fuel processing and functional materials into understandable parts. The final volume of the handbook addresses microreactor systems design and scale-up, sensing, analysis and control, chemical process engineering, economic and eco-efficiency analyses as well as microreactor plant case studies in one book. Together, this 3-volume handbook explains the science behind micro process engineering to the scale-up and their real life industrial applications.

Microscopic Light Field Particle Image Velocitmetry

Author : Bryce Adam McEwen
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (828 download)

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Book Synopsis Microscopic Light Field Particle Image Velocitmetry by : Bryce Adam McEwen

Download or read book Microscopic Light Field Particle Image Velocitmetry written by Bryce Adam McEwen and published by . This book was released on 2012 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents the development and analysis of a system that combines the concepts of light field microscopy and particle image velocimetry (PIV) to measure three-dimensional velocities within a microvolume. Rectanglar microchannels were fabricated with dimensions on the order of 350-950 micrometers using a photolithographic process and polydimethylsiloxane (PDMS). The flow was seeded with fluorescent particles and pumped through microchannels at Reynolds numbers ranging from 0.016 to 0.028. Flow at Reynolds numbers in the range of 0.02 to 0.03 was seeded with fluorescent particles and pumped through microchannels. A light field microscope with a lateral resolution of 6.25 micrometers and an axial resolution of 15.5 micrometers was designed and built based on the concepts described by Levoy et al. Light field images were captured continuously at a frame rate of 3.9 frames per second using a Canon 5D Mark II DSLR camera. Each image was post processed to render a stack of two-dimensional images. The focal stacks were further post processed using various methods including bandpass filtering, 3D deconvolution, and intensity-based thresholding, to remove effects of diffraction and blurring. Subsequently, a multi-pass, three-dimensional PIV algorithm was used to measure channel velocities. Results from PIV analysis were compared with an analytical solution for fully-developed cases, and with CFD simulations for developing flows. Relative errors for fully-developed flow measurements, within the light field microscope refocusing range, were approximately 5% or less. Overall, the main limitations are the reduction in lateral resolution, and the somewhat low axial resolution. Advantages include the relatively low cost, ease of incorporation into existing micro-PIV systems, simple self-calibration process, and potential for resolving instantaneous three-dimensional velocities in a microvolume.

Microscope Image Processing

Author : Fatima Merchant
Publisher : Academic Press
ISBN 13 : 0128210508
Total Pages : 528 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Microscope Image Processing by : Fatima Merchant

Download or read book Microscope Image Processing written by Fatima Merchant and published by Academic Press. This book was released on 2022-08-26 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microscope Image Processing, Second Edition, introduces the basic fundamentals of image formation in microscopy including the importance of image digitization and display, which are key to quality visualization. Image processing and analysis are discussed in detail to provide readers with the tools necessary to improve the visual quality of images, and to extract quantitative information. Basic techniques such as image enhancement, filtering, segmentation, object measurement, and pattern recognition cover concepts integral to image processing. In addition, chapters on specific modern microscopy techniques such as fluorescence imaging, multispectral imaging, three-dimensional imaging and time-lapse imaging, introduce these key areas with emphasis on the differences among the various techniques. The new edition discusses recent developments in microscopy such as light sheet microscopy, digital microscopy, whole slide imaging, and the use of deep learning techniques for image segmentation and analysis with big data image informatics and management. Microscope Image Processing, Second Edition, is suitable for engineers, scientists, clinicians, post-graduate fellows and graduate students working in bioengineering, biomedical engineering, biology, medicine, chemistry, pharmacology and related fields, who use microscopes in their work and would like to understand the methodologies and capabilities of the latest digital image processing techniques or desire to develop their own image processing algorithms and software for specific applications. Presents a unique practical perspective of state-of-the-art microscope image processing and the development of specialized algorithms Each chapter includes in-depth analysis of methods coupled with the results of specific real-world experiments Co-edited by Kenneth R. Castleman, world-renowned pioneer in digital image processing and author of two seminal textbooks on the subject

Non-Invasive Monitoring of Multiphase Flows

Author : J. Chaouki
Publisher : Elsevier
ISBN 13 : 0080537650
Total Pages : 613 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Non-Invasive Monitoring of Multiphase Flows by : J. Chaouki

Download or read book Non-Invasive Monitoring of Multiphase Flows written by J. Chaouki and published by Elsevier. This book was released on 1997-01-15 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-Invasive Monitoring of Multiphase Flows is a result of the latest advances realized in non-invasive measurement of multiphase systems by means of various tomographic and velocimetric techniques. Written by experts on special topics within the realm of this subject, the book reviews in 15 chapters the theoretical background and the physics of the measurement process for each of a number of techniques. In addition, the mathematical modeling related to the measured property, such as in the image reconstitution problem for tomography, successful application of the techniques for measurement in various multiphase systems and their advantages and limitations are described. Features of this book: - Comprehensive and Complete. Covers both theoretical and application viewpoints of noninvasive measuring techniques in multiphase systems. There is no book available on this subject in the field of multiphase flows - Versatile. Material is presented in such a way that the book can be used either for research or for teaching graduate students specializing in the topic of multiphase flows - Awareness and Uniformity. The engineering community is made aware of advantages of these new techniques and they are presented in a uniform package. The editors strive to provide a comprehensive compendium of all the relevant information essential for practising engineers, consultants, university professors, graduate students and technicians who are involved in the study of multiphase flow phenomena. The book, although directed to the study of multiphase systems of interest to the chemical engineer, also provides valuable information for all other engineering disciplines that deal with multiphase systems.

TRAC: Trends in Analytical Chemistry

Author : U A Th Brinkman
Publisher : Elsevier
ISBN 13 : 148327456X
Total Pages : 417 pages
Book Rating : 4.4/5 (832 download)

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Book Synopsis TRAC: Trends in Analytical Chemistry by : U A Th Brinkman

Download or read book TRAC: Trends in Analytical Chemistry written by U A Th Brinkman and published by Elsevier. This book was released on 2013-09-24 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRAC: Trends in Analytical Chemistry, Volume 7 provides information pertinent to the trends in the field of analytical chemistry. This book discusses a variety of topics related to analytical chemistry, including biomolecular mass spectroscopy, affinity chromatography, electrochemical detection, nucleosides, and protein sequencing. Organized into 63 parts encompassing 158 chapters, this volume begins with an overview of the significance of quality and productivity in the analytical laboratory. This text then presents a comprehensive review on alcohol dehydrogenases, immobilization, and applications in analysis and synthesis. Other chapters consider the various tests for determining the excellence of quantitative assays available for analysts to utilize for method validation. This book discusses as well the primary challenge of neuropharmacologists to relate physiological functions to the many ligand binding sites identified in brain tissue. The final chapter deals with the fundamentals and applications of biosensors. This book is a valuable resource for analytical chemists, chemical engineers, clinical chemists, neuropharmacologists, and scientists.

Tools for the Paraxial Optical Design of Light Field Imaging Systems

Author : Lois Mignard-Debise
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis Tools for the Paraxial Optical Design of Light Field Imaging Systems by : Lois Mignard-Debise

Download or read book Tools for the Paraxial Optical Design of Light Field Imaging Systems written by Lois Mignard-Debise and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Light field imaging is often presented as a revolution of standard imaging. Indeed, it does bring more control to the user over the final image as the spatio-angular dimensions of the light field offer the possibility to change the viewpoint and refocus after the shot and compute the scene depth map.However, it complicates the work of the optical designer of the system for two reasons. The first is that there exist a multitude of different light field acquisition devices, each with its own specific design. The second is that there is no model that relates the camera design to its optical properties of acquisition and that would guide the designer in his task. This thesis addresses these observations by proposing a first-order optical model to represent any light field acquisition device. This model abstracts a light field camera as en equivalent array of virtual cameras that exists in object space and that performs the same sampling of the scene. The model is used to study and compare several light field cameras as well as a light field microscope setup which reveals guidelines for the conception of light field optical systems. The simulations of the model are also validated through experimentation with a light field camera and a light field microscope that was constructed in our laboratory.

Intravital Microscopy Imaging of Leukocytes

Author : Elzbieta Kolaczkowska
Publisher : Frontiers Media SA
ISBN 13 : 2889661385
Total Pages : 175 pages
Book Rating : 4.8/5 (896 download)

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Book Synopsis Intravital Microscopy Imaging of Leukocytes by : Elzbieta Kolaczkowska

Download or read book Intravital Microscopy Imaging of Leukocytes written by Elzbieta Kolaczkowska and published by Frontiers Media SA. This book was released on 2020-12-01 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.

Selected Proceedings from the 231st ECS Meeting

Author : Alkire
Publisher : The Electrochemical Society
ISBN 13 : 1607688174
Total Pages : 2056 pages
Book Rating : 4.6/5 (76 download)

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Book Synopsis Selected Proceedings from the 231st ECS Meeting by : Alkire

Download or read book Selected Proceedings from the 231st ECS Meeting written by Alkire and published by The Electrochemical Society. This book was released on 2017-08-04 with total page 2056 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fluorescence Microscopy and Fluorescent Probes

Author : J. Slavík
Publisher : Springer Science & Business Media
ISBN 13 : 1489918663
Total Pages : 292 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis Fluorescence Microscopy and Fluorescent Probes by : J. Slavík

Download or read book Fluorescence Microscopy and Fluorescent Probes written by J. Slavík and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluorescence microscopy images can be easily integrated into current video and computer image processing systems. People like visual observation; they like to watch a television or computer screen, and fluorescence techniques are thus becoming more and more popular. Since true in vivo experiments are simple to perform, samples can be directly seen and there is always the possibility of manipulating the samples during the experiments; it is an ideal technique for biology and medicine. Images are obtained by a classical (now called wide-field) fluorescence microscope, a confocal scanning microscope, upright or inverted, with epifluorescence or transmission. Computerized image processing may improve definition, and remove glare and scattered light signal. It also makes it possible to compute ratio images (ratio imaging both in excitation and in emission) or lifetime imaging. Image analysis programs may supply a great deal of additional data of various types, starting with calculations of the number of fluorescent objects, their shapes, brightness, etc. Fluorescence microscopy data may be complemented by classical measurement in the cuvette yr by flow cytometry.

Micro Total Analysis Systems 2000

Author : A. van den Berg
Publisher : Springer Science & Business Media
ISBN 13 : 9780792363873
Total Pages : 652 pages
Book Rating : 4.3/5 (638 download)

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Book Synopsis Micro Total Analysis Systems 2000 by : A. van den Berg

Download or read book Micro Total Analysis Systems 2000 written by A. van den Berg and published by Springer Science & Business Media. This book was released on 2000-05-31 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of the fourth international symposium on Micro Total Analysis Systems (muTAS 2000). Cutting-edge research of all invited and contributed papers presented by the world’s leading muTAS groups provides the state of the art of this electrifying, multidisciplinary field.

Microstructure of Dairy Products

Author : Mamdouh El-Bakry
Publisher : John Wiley & Sons
ISBN 13 : 1118964209
Total Pages : 400 pages
Book Rating : 4.1/5 (189 download)

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Book Synopsis Microstructure of Dairy Products by : Mamdouh El-Bakry

Download or read book Microstructure of Dairy Products written by Mamdouh El-Bakry and published by John Wiley & Sons. This book was released on 2018-07-13 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides the most recent developments in microscopy techniques and types of analysis used to study the microstructure of dairy products This comprehensive and timely text focuses on the microstructure analyses of dairy products as well as on detailed microstructural aspects of them. Featuring contributions from a global team of experts, it offers great insight into the understanding of different phenomena that relate to the functional and biochemical changes during processing and subsequent storage. Structured into two parts, Microstructure of Dairy Products begins with an overview of microscopy techniques and software used for microstructural analyses. It discusses, in detail, different types of the following techniques, such as: light microscopy (including bright field, polarized, and confocal scanning laser microscopy) and electron microscopy (mainly scanning and transmission electron microscopy). The description of these techniques also includes the staining procedures and sample preparation methods developed. Emerging microscopy techniques are also covered, reflecting the latest advances in this field. Part 2 of the book focuses on the microstructure of various dairy foods, dividing each into sections related to the microstructure of milk, cheeses, yogurts, powders, and fat products, ice cream and frozen dairy desserts, dairy powders and selected traditional Indian dairy products. In addition, there is a review of the localization of microorganism within the microstructure of various dairy products. The last chapter discusses the challenges and future trends of the microstructure of dairy products. Presents complete coverage of the latest developments in dairy product microscopy techniques Details the use of microscopy techniques in structural analysis An essential purchase for companies, researchers, and other professionals in the dairy sector Microstructure of Dairy Products is an excellent resource for food scientists, technologists, and chemists—and physicists, rheologists, and microscopists—who deal in dairy products.

Microfluidics

Author : Sebastian Seiffert
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110487705
Total Pages : 295 pages
Book Rating : 4.1/5 (14 download)

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Book Synopsis Microfluidics by : Sebastian Seiffert

Download or read book Microfluidics written by Sebastian Seiffert and published by Walter de Gruyter GmbH & Co KG. This book was released on 2019-12-02 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microfluidics introduces the theory and practice of fluid flow on small scales. The exquisite control of such flow at low Reynolds numbers allows liquids to be processed in either a well-defined co-flow or a well-defined segmented-flow fashion. Both lays a ground for high-throughput analytics and advanced materials design. With that, this book is ideal for research scientists and Ph.D. students in the fields of chemistry, chemical engineering, biotechnology, and materials science.

Applications of Fluorescence in Surgery and Interventional Diagnostics

Author : Mark Preul
Publisher : Frontiers Media SA
ISBN 13 : 2889668568
Total Pages : 368 pages
Book Rating : 4.8/5 (896 download)

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Book Synopsis Applications of Fluorescence in Surgery and Interventional Diagnostics by : Mark Preul

Download or read book Applications of Fluorescence in Surgery and Interventional Diagnostics written by Mark Preul and published by Frontiers Media SA. This book was released on 2021-06-04 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Subject Index of Current Research Grants and Contracts Administered by the National Heart, Lung and Blood Institute

Author : National Heart, Lung, and Blood Institute
Publisher :
ISBN 13 :
Total Pages : 648 pages
Book Rating : 4.M/5 ( download)

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Book Synopsis Subject Index of Current Research Grants and Contracts Administered by the National Heart, Lung and Blood Institute by : National Heart, Lung, and Blood Institute

Download or read book Subject Index of Current Research Grants and Contracts Administered by the National Heart, Lung and Blood Institute written by National Heart, Lung, and Blood Institute and published by . This book was released on 1979 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Principles and Practice of Skin Toxicology

Author : Robert Chilcott
Publisher : John Wiley & Sons
ISBN 13 : 0470773081
Total Pages : 392 pages
Book Rating : 4.4/5 (77 download)

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Book Synopsis Principles and Practice of Skin Toxicology by : Robert Chilcott

Download or read book Principles and Practice of Skin Toxicology written by Robert Chilcott and published by John Wiley & Sons. This book was released on 2008-07-31 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by authorities in the field, this book provides a “bottom up” approach to studying skin toxicology. Principles and Practice of Skin Toxicology clearly outlines basic concepts, cites historical and modern references and contains a dictionary for easy reference. The inclusion of global legislation and regulatory aspects on the topic makes this a comprehensive review for every practitioner, clinical researcher in industry and academia, and MSc and PhD student of toxicology. Different sections cover skin structure and function, principles and measurement of skin absorption, clinical aspects of dermal toxicity and in vitro alternatives. A section on regulatory and legislative aspects includes case studies from the UK that fulfill European Union and US FDA requirements. A glossary provides definitions of technical terms, and the chapters contain an introduction, learning boxes and summary section for ease of use. Includes a chapter on drug delivery through the skin. Addresses risk assessment: a key area for the interpretation of skin absorption data that is rarely covered.