High Dynamic Range Video

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High Dynamic Range Video

Frédéric Dufaux,Patrick Le Callet,Rafal Mantiuk,Marta Mrak
High Dynamic Range Video Book PDF

Author : Frédéric Dufaux,Patrick Le Callet,Rafal Mantiuk,Marta Mrak
Publisher : Academic Press
Page : 630 pages
File Size : 52,5 Mb
Release : 2016-04-27
Category : Technology & Engineering
ISBN : 9780128030394

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High Dynamic Range Video by Frédéric Dufaux,Patrick Le Callet,Rafal Mantiuk,Marta Mrak Pdf

At the time of rapid technological progress and uptake of High Dynamic Range (HDR) video content in numerous sectors, this book provides an overview of the key supporting technologies, discusses the effectiveness of various techniques, reviews the initial standardization efforts and explores new research directions in all aspects involved in HDR video systems. Topics addressed include content acquisition and production, tone mapping and inverse tone mapping operators, coding, quality of experience, and display technologies. This book also explores a number of applications using HDR video technologies in the automotive industry, medical imaging, spacecraft imaging, driving simulation and watermarking. By covering general to advanced topics, along with a broad and deep analysis, this book is suitable for both the researcher new or familiar to the area. With this book the reader will: Gain a broad understanding of all the elements in the HDR video processing chain Learn the most recent results of ongoing research Understand the challenges and perspectives for HDR video technologies Covers a broad range of topics encompassing the whole processing chain in HDR video systems, from acquisition to display Provides a comprehensive overview of this fast emerging topic Presents upcoming applications taking advantages of HDR

High Dynamic Range Video

Alan Chalmers,Patrizio Campisi,Peter Shirley,Igor García Olaizola
High Dynamic Range Video Book PDF

Author : Alan Chalmers,Patrizio Campisi,Peter Shirley,Igor García Olaizola
Publisher : Academic Press
Page : 286 pages
File Size : 54,6 Mb
Release : 2016-12-05
Category : Technology & Engineering
ISBN : 9780081010389

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High Dynamic Range Video by Alan Chalmers,Patrizio Campisi,Peter Shirley,Igor García Olaizola Pdf

High Dynamic Range Video: Concepts, Technologies and Applications gives an introduction to a full range of topics within the end-to-end HDR video pipeline, covering the issues around capturing HDR and stereo HDR video, such as ghosting and use of legacy LDR systems, how HDR video can be manipulated, including real-time mixing, the very latest designs for HDR displays, HDR video on mobile devices, and the applications of HDR video. With this book, the reader will gain an overview of the current state-of-the art of HDR video, learn the potential of HDR video to provide a step change to a wide range of imaging applications, and attain the knowledge needed to introduce HDR video in their own applications. Written by experts who have been actively researching High Dynamic Range Video Covers a full range of topics within the end-to-end HDR video pipeline Provides applications that demonstrate how HDR video can be applied

High Dynamic Range Video

Karol Myszkowski,Rafal Mantiuk,Grzegorz Krawczyk
High Dynamic Range Video Book PDF

Author : Karol Myszkowski,Rafal Mantiuk,Grzegorz Krawczyk
Publisher : Springer Nature
Page : 158 pages
File Size : 41,9 Mb
Release : 2022-05-31
Category : Mathematics
ISBN : 9783031795282

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High Dynamic Range Video by Karol Myszkowski,Rafal Mantiuk,Grzegorz Krawczyk Pdf

As new displays and cameras offer enhanced color capabilities, there is a need to extend the precision of digital content. High Dynamic Range (HDR) imaging encodes images and video with higher than normal 8 bit-per-color-channel precision, enabling representation of the complete color gamut and the full visible range of luminance.However, to realize transition from the traditional toHDRimaging, it is necessary to develop imaging algorithms that work with the high-precision data. Tomake such algorithms effective and feasible in practice, it is necessary to take advantage of the limitations of the human visual system by aligning the data shortcomings to those of the human eye, thus limiting storage and processing precision. Therefore, human visual perception is the key component of the solutions we discuss in this book. This book presents a complete pipeline forHDR image and video processing fromacquisition, through compression and quality evaluation, to display. At the HDR image and video acquisition stage specialized HDR sensors or multi-exposure techniques suitable for traditional cameras are discussed. Then, we present a practical solution for pixel values calibration in terms of photometric or radiometric quantities, which are required in some technically oriented applications. Also, we cover the problem of efficient image and video compression and encoding either for storage or transmission purposes, including the aspect of backward compatibility with existing formats. Finally, we review existing HDR display technologies and the associated problems of image contrast and brightness adjustment. For this purpose tone mapping is employed to accommodate HDR content to LDR devices. Conversely, the so-called inverse tone mapping is required to upgrade LDR content for displaying on HDR devices. We overview HDR-enabled image and video quality metrics, which are needed to verify algorithms at all stages of the pipeline. Additionally, we cover successful examples of the HDR technology applications, in particular, in computer graphics and computer vision. The goal of this book is to present all discussed components of the HDR pipeline with the main focus on video. For some pipeline stages HDR video solutions are either not well established or do not exist at all, in which case we describe techniques for single HDR images. In such cases we attempt to select the techniques, which can be extended into temporal domain. Whenever needed, relevant background information on human perception is given, which enables better understanding of the design choices behind the discussed algorithms and HDR equipment. Table of Contents: Introduction / Representation of an HDR Image / HDR Image and Video Acquisition / HDR Image Quality / HDR Image, Video, and Texture Compression / Tone Reproduction / HDR Display Devices / LDR2HDR: Recovering Dynamic Range in Legacy Content / HDRI in Computer Graphics / Software

High-Dynamic-Range (HDR) Vision

Bernd Hoefflinger
High Dynamic Range HDR Vision Book PDF

Author : Bernd Hoefflinger
Publisher : Springer Science & Business Media
Page : 241 pages
File Size : 51,6 Mb
Release : 2007-02-16
Category : Technology & Engineering
ISBN : 9783540444336

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High-Dynamic-Range (HDR) Vision by Bernd Hoefflinger Pdf

This first comprehensive account of high-dynamic-range (HDR) vision focuses on HDR real-time, high-speed digital video recording and also systematically presents HDR video transmission and display. While the book conveys the overall picture of HDR vision, specific knowledge of microelectronics and image processing is not required. In this book, experts share their knowledge in this rapidly evolving art related to the single most powerful of our senses.

High Dynamic Range Imaging

Erik Reinhard,Wolfgang Heidrich,Paul Debevec,Sumanta Pattanaik,Greg Ward,Karol Myszkowski
High Dynamic Range Imaging Book PDF

Author : Erik Reinhard,Wolfgang Heidrich,Paul Debevec,Sumanta Pattanaik,Greg Ward,Karol Myszkowski
Publisher : Morgan Kaufmann
Page : 672 pages
File Size : 45,8 Mb
Release : 2010-05-28
Category : Computers
ISBN : 0080957110

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High Dynamic Range Imaging by Erik Reinhard,Wolfgang Heidrich,Paul Debevec,Sumanta Pattanaik,Greg Ward,Karol Myszkowski Pdf

High Dynamic Range Imaging, Second Edition, is an essential resource for anyone working with images, whether it is for computer graphics, film, video, photography, or lighting design. It describes HDRI technology in its entirety and covers a wide-range of topics, from capture devices to tone reproduction and image-based lighting. The techniques described enable students to produce images that have a dynamic range much closer to that found in the real world, leading to an unparalleled visual experience. This revised edition includes new chapters on High Dynamic Range Video Encoding, High Dynamic Range Image Encoding, and High Dynamic Range Display Devices. All existing chapters have been updated to reflect the current state-of-the-art technology. As both an introduction to the field and an authoritative technical reference, this book is essential for anyone working with images, whether in computer graphics, film, video, photography, or lighting design. New material includes chapters on High Dynamic Range Video Encoding, High Dynamic Range Image Encoding, and High Dynammic Range Display Devices Written by the inventors and initial implementors of High Dynamic Range Imaging Covers the basic concepts (including just enough about human vision to explain why HDR images are necessary), image capture, image encoding, file formats, display techniques, tone mapping for lower dynamic range display, and the use of HDR images and calculations in 3D rendering Range and depth of coverage is good for the knowledgeable researcher as well as those who are just starting to learn about High Dynamic Range imaging The prior edition of this book included a DVD-ROM. Files from the DVD-ROM can be accessed at: http://www.erikreinhard.com/hdr_2nd/index.html

HDR

Jack Howard
HDR Book PDF

Author : Jack Howard
Publisher : "O'Reilly Media, Inc."
Page : 58 pages
File Size : 51,9 Mb
Release : 2007-03
Category : Computers
ISBN : 9780596510176

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HDR by Jack Howard Pdf

A step-by-step introduction to one of the hottest new imaging trends. We'll walk you through making the best HDR images-from image capture to digital darkroom tips and tricks.

The high dynamic range imaging pipeline

Gabriel Eilertsen
The high dynamic range imaging pipeline Book PDF

Author : Gabriel Eilertsen
Publisher : Linköping University Electronic Press
Page : 132 pages
File Size : 51,7 Mb
Release : 2018-05-15
Category : Electronic
ISBN : 9789176853023

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The high dynamic range imaging pipeline by Gabriel Eilertsen Pdf

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.

Advanced High Dynamic Range Imaging

Francesco Banterle,Alessandro Artusi,Kurt Debattista,Alan Chalmers
Advanced High Dynamic Range Imaging Book PDF

Author : Francesco Banterle,Alessandro Artusi,Kurt Debattista,Alan Chalmers
Publisher : CRC Press
Page : 328 pages
File Size : 54,8 Mb
Release : 2017-07-28
Category : Computers
ISBN : 9781498706957

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Advanced High Dynamic Range Imaging by Francesco Banterle,Alessandro Artusi,Kurt Debattista,Alan Chalmers Pdf

This book explores the methods needed for creating and manipulating HDR content. HDR is a step change from traditional imaging; more closely matching what we see with our eyes. In the years since the first edition of this book appeared, HDR has become much more widespread, moving from a research concept to a standard imaging method. This new edition incorporates all the many developments in HDR since the first edition and once again emphasizes practical tips, including the authors' popular HDR Toolbox (available on the authors' website) for MATLAB and gives readers the tools they need to develop and experiment with new techniques for creating compelling HDR content. Key Features: Contains the HDR Toolbox for readers' experimentation on authors' website Offers an up-to-date, detailed guide to the theory and practice of high dynamic range imaging Covers all aspects of the field, from capture to display Provides benchmarks for evaluating HDR imagery

Advanced High Dynamic Range Imaging

Francesco Banterle,Alessandro Artusi,Kurt Debattista,Alan Chalmers
Advanced High Dynamic Range Imaging Book PDF

Author : Francesco Banterle,Alessandro Artusi,Kurt Debattista,Alan Chalmers
Publisher : CRC Press
Page : 332 pages
File Size : 52,7 Mb
Release : 2017-07-28
Category : Computers
ISBN : 9781351645836

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Advanced High Dynamic Range Imaging by Francesco Banterle,Alessandro Artusi,Kurt Debattista,Alan Chalmers Pdf

This book explores the methods needed for creating and manipulating HDR content. HDR is a step change from traditional imaging; more closely matching what we see with our eyes. In the years since the first edition of this book appeared, HDR has become much more widespread, moving from a research concept to a standard imaging method. This new edition incorporates all the many developments in HDR since the first edition and once again emphasizes practical tips, including the authors' popular HDR Toolbox (available on the authors' website) for MATLAB and gives readers the tools they need to develop and experiment with new techniques for creating compelling HDR content. Key Features: Contains the HDR Toolbox for readers' experimentation on authors' website Offers an up-to-date, detailed guide to the theory and practice of high dynamic range imaging Covers all aspects of the field, from capture to display Provides benchmarks for evaluating HDR imagery

High Dynamic Range Rendering

Fouad Sabry
High Dynamic Range Rendering Book PDF

Author : Fouad Sabry
Publisher : One Billion Knowledgeable
Page : 96 pages
File Size : 43,6 Mb
Release : 2024-05-04
Category : Computers
ISBN : PKEY:6610000560080

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High Dynamic Range Rendering by Fouad Sabry Pdf

What is High Dynamic Range Rendering High-dynamic-range rendering, also known as high-dynamic-range lighting, is the rendering of computer graphics scenes by using lighting calculations done in high dynamic range (HDR). This allows preservation of details that may be lost due to limiting contrast ratios. Video games and computer-generated movies and special effects benefit from this as it creates more realistic scenes than with more simplistic lighting models. How you will benefit (I) Insights, and validations about the following topics: Chapter 1: High-dynamic-range rendering Chapter 2: Rendering (computer graphics) Chapter 3: Global illumination Chapter 4: Multi-exposure HDR capture Chapter 5: Tone mapping Chapter 6: Per-pixel lighting Chapter 7: Bloom (shader effect) Chapter 8: Image-based lighting Chapter 9: High dynamic range Chapter 10: Wolfgang Heidrich (II) Answering the public top questions about high dynamic range rendering. (III) Real world examples for the usage of high dynamic range rendering in many fields. Who this book is for Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of High Dynamic Range Rendering.

Vision Models for High Dynamic Range and Wide Colour Gamut Imaging

Marcelo Bertalmío
Vision Models for High Dynamic Range and Wide Colour Gamut Imaging Book PDF

Author : Marcelo Bertalmío
Publisher : Academic Press
Page : 324 pages
File Size : 53,6 Mb
Release : 2019-11-06
Category : Computers
ISBN : 9780128138953

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Vision Models for High Dynamic Range and Wide Colour Gamut Imaging by Marcelo Bertalmío Pdf

To enhance the overall viewing experience (for cinema, TV, games, AR/VR) the media industry is continuously striving to improve image quality. Currently the emphasis is on High Dynamic Range (HDR) and Wide Colour Gamut (WCG) technologies, which yield images with greater contrast and more vivid colours. The uptake of these technologies, however, has been hampered by the significant challenge of understanding the science behind visual perception. Vision Models for High Dynamic Range and Wide Colour Gamut Imaging provides university researchers and graduate students in computer science, computer engineering, vision science, as well as industry R&D engineers, an insight into the science and methods for HDR and WCG. It presents the underlying principles and latest practical methods in a detailed and accessible way, highlighting how the use of vision models is a key element of all state-of-the-art methods for these emerging technologies. Presents the underlying vision science principles and models that are essential to the emerging technologies of HDR and WCG Explores state-of-the-art techniques for tone and gamut mapping Discusses open challenges and future directions of HDR and WCG research

Advanced High Dynamic Range Imaging

Francesco Banterle,Alessandro Artusi,Kurt Debattista,Alan Chalmers
Advanced High Dynamic Range Imaging Book PDF

Author : Francesco Banterle,Alessandro Artusi,Kurt Debattista,Alan Chalmers
Publisher : CRC Press
Page : 280 pages
File Size : 51,9 Mb
Release : 2011-02-10
Category : Computers
ISBN : 9781568817194

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Advanced High Dynamic Range Imaging by Francesco Banterle,Alessandro Artusi,Kurt Debattista,Alan Chalmers Pdf

Imaging techniques seek to simulate the array of light that reaches our eyes to provide the illusion of sensing scenes directly. Both photography and computer graphics deal with the generation of images. Both disciplines have to cope with the high dynamic range in the energy of visible light that human eyes can sense. Traditionally photography and computer graphics took different approaches to the high dynamic range problem. Work over the last ten years though has unified these disciplines and created powerful new tools for the creation of complex, compelling and realistic images. This book provides a practical introduction to the emerging new discipline of high dynamic range imaging that combines photography and computer graphics. By providing detailed equations and code, the book gives the reader the tools needed to experiment with new techniques for creating compelling images. A supplemental website contains downloads and additional information.

Computational Photography

Saghi Hajisharif
Computational Photography Book PDF

Author : Saghi Hajisharif
Publisher : Linköping University Electronic Press
Page : 122 pages
File Size : 42,6 Mb
Release : 2020-02-18
Category : Electronic
ISBN : 9789179299057

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Computational Photography by Saghi Hajisharif Pdf

The introduction and recent advancements of computational photography have revolutionized the imaging industry. Computational photography is a combination of imaging techniques at the intersection of various fields such as optics, computer vision, and computer graphics. These methods enhance the capabilities of traditional digital photography by applying computational techniques both during and after the capturing process. This thesis targets two major subjects in this field: High Dynamic Range (HDR) image reconstruction and Light Field (LF) compressive capturing, compression, and real-time rendering. The first part of the thesis focuses on the HDR images that concurrently contain detailed information from the very dark shadows to the brightest areas in the scenes. One of the main contributions presented in this thesis is the development of a unified reconstruction algorithm for spatially variant exposures in a single image. This method is based on a camera noise model, and it simultaneously resamples, reconstructs, denoises, and demosaics the image while extending its dynamic range. Furthermore, the HDR reconstruction algorithm is extended to adapt to the local features of the image, as well as the noise statistics, to preserve the high-frequency edges during reconstruction. In the second part of this thesis, the research focus shifts to the acquisition, encoding, reconstruction, and rendering of light field images and videos in a real-time setting. Unlike traditional integral photography, a light field captures the information of the dynamic environment from all angles, all points in space, and all spectral wavelength and time. This thesis employs sparse representation to provide an end-to-end solution to the problem of encoding, real-time reconstruction, and rendering of high dimensional light field video data sets. These solutions are applied on various types of data sets, such as light fields captured with multi-camera systems or hand-held cameras equipped with micro-lens arrays, and spherical light fields. Finally, sparse representation of light fields was utilized for developing a single sensor light field video camera equipped with a color-coded mask. A new compressive sensing model is presented that is suitable for dynamic scenes with temporal coherency and is capable of reconstructing high-resolution light field videos.

Creating HDR Photos

Harold Davis
Creating HDR Photos Book PDF

Author : Harold Davis
Publisher : Amphoto Books
Page : 194 pages
File Size : 48,9 Mb
Release : 2012-07-24
Category : Photography
ISBN : 9780823085866

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Creating HDR Photos by Harold Davis Pdf

Since the days of the first photographs, artists have used various techniques to extend the range of lights and darks in their photos. Photographic masters such as Ansel Adams and Edward Weston spent countless hours burning and dodging their prints to create images with extended dynamic range. With the advent of digital photography, new horizons in extending dynamic range are possible. HDR techniques now make it easy to extend the dynamic range of an image well beyond the capability of the human eye. In Creating HDR Photos, bestselling author Harold Davis covers the complete HDR workflow, from choosing the subjects that work best for HDR through processing RAW files to unlock the dynamic power of HDR. You’ll learn how to photograph multiple exposures and blend them into a single HDR image using various software programs. Best of all, you will find out how to control the style of your HDR images, from subtle to hyper-real, using a range of photographic and post-processing techniques. Packed with stunning image examples, Creating HDR Photos brings this essential digital technique within every photographer’s grasp.

CHIPS 2020 VOL. 2

Bernd Höfflinger
CHIPS 2020 VOL 2 Book PDF

Author : Bernd Höfflinger
Publisher : Springer
Page : 319 pages
File Size : 45,7 Mb
Release : 2015-09-19
Category : Science
ISBN : 9783319220932

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CHIPS 2020 VOL. 2 by Bernd Höfflinger Pdf

The release of this second volume of CHIPS 2020 coincides with the 50th anniversary of Moore’s Law, a critical year marked by the end of the nanometer roadmap and by a significantly reduced annual rise in chip performance. At the same time, we are witnessing a data explosion in the Internet, which is consuming 40% more electrical power every year, leading to fears of a major blackout of the Internet by 2020. The messages of the first CHIPS 2020, published in 2012, concerned the realization of quantum steps for improving the energy efficiency of all chip functions. With this second volume, we review these messages and amplify upon the most promising directions: ultra-low-voltage electronics, nanoscale monolithic 3D integration, relevant-data, brain- and human-vision-inspired processing, and energy harvesting for chip autonomy. The team of authors, enlarged by more world leaders in low-power, monolithic 3D, video, and Silicon brains, presents new vistas in nanoelectronics, promising Moore-like exponential growth sustainable through to the 2030s.