From Photons To Photos
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From Photons To Photos
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Author : Daniel E. Berman
language : en
Publisher:
Release Date : 2015
From Photons To Photos written by Daniel E. Berman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Immense strides in furthering our understanding of a variety of underlying mechanisms involved in visual perception are continuously being made, however numerous questions in the field remain unanswered. Detailed here are two studies aimed at elucidating the functional processes in which the human visual system integrates visual stimuli into cohesive representations of the world around us. First, using simulations and fMRI experiments we examined how retinotopic mapping paradigms can be optimized to most efficaciously and accurately measure the underlying functional and organizational properties of early to mid-level visual cortex in both healthy and clinical populations. We focused on quantitatively comparing two common retinotopic mapping designs in terms of measurable and achievable signal-to-noise ratios under various conditions such as exogenous noise and scanning time. While multifocal retinotopy can yield a higher signal-to-noise ratio in primary visual cortex, we find that the phase-encoded technique provides qualitatively better retinotopic maps despite having a less robust point-to-point correspondence of visual field location to visual cortex. Other implications of employing these methods are also discussed. Next, fMRI experiments aimed at uncovering the spatial frequency tuning profiles of higher-level, category selective areas of cortex such as the parahippocampal place area (PPA), retrospenial cortex (RSC), occipital place area (OPA), lateral occipital cortex (LOC) and the fusiform face area (FFA) were performed. These experiments utilized both frequency filtered scenes belonging to four different categories along with unstructured stimuli of various spatial frequencies. Results from univariate, multivariate and searchlight analyses are subsequently provided and elaborated on, with the general finding that the category selective areas mentioned above are sensitive to high spatial frequencies, especially when semantic information is present.
From Photon To Pixel
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Author : Henri Maître
language : en
Publisher: John Wiley & Sons
Release Date : 2017-04-18
From Photon To Pixel written by Henri Maître and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-04-18 with Technology & Engineering categories.
This second edition of the fully revised and updated From Photon to Pixel presents essential elements in modern digital photographic devices. Our universal infatuation with photography profoundly affects its usage and development. While some sides of photographic “culture” remain wholly unchanged – art photography, journalistic and advertising photography, scientific photography, etc. – new facets emerge: leisure or travel photography, everyday life photography, anecdotal, observational or unusual photography, and microcosm, or micro-community, photography with its culmination in the narcissistic selfie. These new forms combine an often simplified manner of photographing and modern means of instantaneous, remote and mass communication. This book does not extend into the sociological study of photography, instead it explains how the digital camera works by examining in detail each of the components that constitutes it to provide the reader with a preliminary guide into the inner workings of this device.
From Photon To Neuron
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Author : Philip Nelson
language : en
Publisher: Princeton University Press
Release Date : 2017-05-09
From Photon To Neuron written by Philip Nelson and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-09 with Science categories.
A richly illustrated undergraduate textbook on the physics and biology of light Students in the physical and life sciences, and in engineering, need to know about the physics and biology of light. Recently, it has become increasingly clear that an understanding of the quantum nature of light is essential, both for the latest imaging technologies and to advance our knowledge of fundamental life processes, such as photosynthesis and human vision. From Photon to Neuron provides undergraduates with an accessible introduction to the physics of light and offers a unified view of a broad range of optical and biological phenomena. Along the way, this richly illustrated textbook builds the necessary background in neuroscience, photochemistry, and other disciplines, with applications to optogenetics, superresolution microscopy, the single-photon response of individual photoreceptor cells, and more. With its integrated approach, From Photon to Neuron can be used as the basis for interdisciplinary courses in physics, biophysics, sensory neuroscience, biophotonics, bioengineering, or nanotechnology. The goal is always for students to gain the fluency needed to derive every result for themselves, so the book includes a wealth of exercises, including many that guide students to create computer-based solutions. Supplementary online materials include real experimental data to use with the exercises. Assumes familiarity with first-year undergraduate physics and the corresponding math Overlaps the goals of the MCAT, which now includes data-based and statistical reasoning Advanced chapters and sections also make the book suitable for graduate courses An Instructor's Guide and illustration package is available to professors
Mirrorless Interchangeable Lens Camera
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Author : Steve Anchell
language : en
Publisher: Routledge
Release Date : 2019-02-14
Mirrorless Interchangeable Lens Camera written by Steve Anchell and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-14 with Photography categories.
Mirrorless interchangeable lens cameras are changing the way images are captured, being far more in line with modern photography trends and sensibilities. With Mirrorless Interchangeable Lens Camera: Getting the Most from Your MILC, you’ll learn why this is happening and how to get the most from your mirrorless camera. This guide covers everything you need to know about the difference between a mirrorless camera and a DSLR, apps, lenses, video recording, and picture profiling features. You’ll learn how to use your mirrorless interchangeable lens camera for different genres of photography including landscape, travel, low light, street photography, portraiture, and more. Written by expert and skilled instructor Steve Anchell, this book includes 198 inspirational and instructional images with 154 in full-color, with insights and photographs from 9 professional photographers. It’s the perfect guide for established photographers not yet aware of the wealth of benefits mirrorless interchangeable lens cameras offer and for beginning photographers just starting their career.
The High Dynamic Range Imaging Pipeline
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Author : Gabriel Eilertsen
language : en
Publisher: Linköping University Electronic Press
Release Date : 2018-05-15
The High Dynamic Range Imaging Pipeline written by Gabriel Eilertsen and has been published by Linköping University Electronic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-15 with categories.
Techniques for high dynamic range (HDR) imaging make it possible to capture and store an increased range of luminances and colors as compared to what can be achieved with a conventional camera. This high amount of image information can be used in a wide range of applications, such as HDR displays, image-based lighting, tone-mapping, computer vision, and post-processing operations. HDR imaging has been an important concept in research and development for many years. Within the last couple of years it has also reached the consumer market, e.g. with TV displays that are capable of reproducing an increased dynamic range and peak luminance. This thesis presents a set of technical contributions within the field of HDR imaging. First, the area of HDR video tone-mapping is thoroughly reviewed, evaluated and developed upon. A subjective comparison experiment of existing methods is performed, followed by the development of novel techniques that overcome many of the problems evidenced by the evaluation. Second, a largescale objective comparison is presented, which evaluates existing techniques that are involved in HDR video distribution. From the results, a first open-source HDR video codec solution, Luma HDRv, is built using the best performing techniques. Third, a machine learning method is proposed for the purpose of reconstructing an HDR image from one single-exposure low dynamic range (LDR) image. The method is trained on a large set of HDR images, using recent advances in deep learning, and the results increase the quality and performance significantly as compared to existing algorithms. The areas for which contributions are presented can be closely inter-linked in the HDR imaging pipeline. Here, the thesis work helps in promoting efficient and high-quality HDR video distribution and display, as well as robust HDR image reconstruction from a single conventional LDR image.
Handbook Of Nuclear Cardiology
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Author : Robert C. Hendel
language : en
Publisher: Springer Nature
Release Date :
Handbook Of Nuclear Cardiology written by Robert C. Hendel and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Quantum Electrodynamics
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Author : Aleksandr Ilʹich Akhiezer
language : en
Publisher:
Release Date : 1957
Quantum Electrodynamics written by Aleksandr Ilʹich Akhiezer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Quantum electrodynamics categories.
Optical Imaging And Photography
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Author : Ulrich Teubner
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2023-12-18
Optical Imaging And Photography written by Ulrich Teubner and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-18 with Science categories.
This hand book is concerned with optical imaging – from simple pinhole cameras to complex imaging systems. It spans the range all the way from optical physics to technical optics. Based on ray- and wave-optical approaches complemented by principles of Fourier optics, the book discusses the process of imaging from the beginning until image capture where, in particular, the different topics are well integrated with each other. Different imaging systems and sensors are reviewed as well as lenses and aberrations, image intensification and processing. The second and enlarged edition has been updated by actual developments and complemented by the topic of smart phone camera photography. The latter plays an important role today in the field of optical imaging and represents a fully integrated optical system with potential for further new developments. For physicists, natural scientists, engineers, photographers and microscopists on one side and students of physics, natural sciences or engineering in general on the other side, the books provides an introduction into the complex field of optical imaging. For all of them with practical experience the book conveys a deeper insight into the intricacies and quality assessment of their daily used devices.
Real Time Rendering Fourth Edition
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Author : Tomas Akenine-Möller
language : en
Publisher: CRC Press
Release Date : 2018-08-06
Real Time Rendering Fourth Edition written by Tomas Akenine-Möller and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-06 with Computers categories.
Thoroughly updated, this fourth edition focuses on modern techniques used to generate synthetic three-dimensional images in a fraction of a second. With the advent of programmable shaders, a wide variety of new algorithms have arisen and evolved over the past few years. This edition discusses current, practical rendering methods used in games and other applications. It also presents a solid theoretical framework and relevant mathematics for the field of interactive computer graphics, all in an approachable style. New to this edition: new chapter on VR and AR as well as expanded coverage of Visual Appearance, Advanced Shading, Global Illumination, and Curves and Curved Surfaces.
This Modern Romance The Artistry Technique And Business Of Engagement Photography
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Author : Stephanie Williams
language : en
Publisher: CRC Press
Release Date : 2013-10-15
This Modern Romance The Artistry Technique And Business Of Engagement Photography written by Stephanie Williams and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-15 with Photography categories.
Love is less confined than ever, as is our desire to capture it. Engagement photography has become an essential and valuable component of wedding photography for both your clients and your photography business. Successfully booking romantic portrait sessions and providing your couples with creative, playful, and beautiful images can mean a lasting –and lucrative- relationship. Award winning photographer Stephanie Williams shares her approach to engagement photography, including her thoughts on the psychology of shooting and directing couples, current industry trends, and the use of blogs and social media. Discover photography tips on romantic styling, workflow, and branding that will help get your engagement sessions recognized by prospective clients and industry publications. Whether you are an aspiring photographer or established professional, this book is sure to inform and inspire your next photo shoot. Read tips and testimonials from prominent wedding professionals, bloggers, editors and stylists, as well as Stephanie’s actual clients. Learn how to build your brand and get your work published. Improve or refresh your technical skill through practical lighting, equipment, and technique guidance. Diversify the way you interact with clients and style your shoots. Be inspired through gorgeous photographs.