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The Art and Science of HDR Imaging

  • Fester Einband
  • 384 Seiten
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This book brings together the relevant thinking on HDR learning from artists (painters and photographers)! scientists (optics and... Weiterlesen
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Beschreibung

Zusammenfassung This book brings together the relevant thinking on HDR learning from artists (painters and photographers)! scientists (optics and vision science)! imaging engineers (silver-halide film! silicon sensors and camera-! printer- and display-designers)! and image processing experts (algorithms and computer hardware). Klappentext Rendering High Dynamic Range (HDR) scenes on media with limited dynamic range began in the Renaissance whereby painters! then photographers! learned to use low-range spatial techniques to synthesize appearances! rather than to reproduce accurately the light from scenes. The Art and Science of HDR Imaging presents a unique scientific HDR approach derived from artists' understanding of painting! emphasizing spatial information in electronic imaging.Human visual appearance and reproduction rendition of the HDR world requires spatial-image processing to overcome the veiling glare limits of optical imaging! in eyes and in cameras. Illustrated in full colour throughout! including examples of fine-art paintings! HDR photography! and multiple exposure scenes; this book uses techniques to study the HDR properties of entire scenes! and measures the range of light of scenes and the range that cameras capture. It describes how electronic image processing has been used to render HDR scenes since 1967! and examines the great variety of HDR algorithms used today. Showing how spatial processes can mimic vision! and render scenes as artists do! the book also:* Gives the history of HDR from artists' spatial techniques to scientific image processing* Measures and describes the limits of HDR scenes! HDR camera images! and the range of HDR appearances* Offers a unique review of the entire family of Retinex image processing algorithms* Describes the considerable overlap of HDR and Color Constancy: two sides of the same coin* Explains the advantages of algorithms that replicate human vision in the processing of HDR scenes* Provides extensive data to test algorithms and models of vision on an accompanying websitewww.wiley.com/go/mccannhdr Inhaltsverzeichnis About the Authors xixPreface xxiSeries Preface xxiiiAcknowledgements xxvSection A HISTORY OF HDR IMAGING 11 HDR Imaging 32 HDR Tools and Defi nitions 133 HDR in Natural Scenes 274 HDR in Painting 335 HDR in Film Photography 456 The Ansel Adams Zone System 597 Electronic HDR Image Processing: Analog and Digital 698 HDR and the World of Computer Graphics 779 Review of HDR History 83Section B MEASURED DYNAMIC RANGES 8910 Actual Dynamic Ranges 9111 Limits of HDR Scene Capture 9912 Limits of HDR in Humans 11313 Why Does HDR Improve Images? 119Section C SEPARATING GLARE AND CONTRAST 12314 Two Counteracting Mechanisms: Glare and Contrast 12515 Measuring the Range of HDR Appearances 13516 Calculating the Retinal Image 14517 Visualizing HDR Images 15318 HDR and Uniform Color Spaces 16119 Glare: A Major Part of Vision Theory 169Section D SCENE CONTENT CONTROLS APPEARANCE 17320 Scene Dependent Appearance of Quanta Catch 17521 Illumination! Constancy and Surround 17922 Maximum's Enclosure and Separation 19323 Maxima Size and Distribution 20124 From Contrast to Assimilation 20925 Maxima and Contrast with Maxima 217Section E COLOR HDR 22126 HDR! Constancy and Spatial Content 22327 Color Mondrians 22728 Constancy's On/Off Switch 24729 HDR and 3-D Mondrians 25730 Color Constancy is HDR 273Section F HDR IMAGE PROCESSING 28331 HDR Pixel and Spatial Algorithms 28532 Retinex Algorithms 29333 ACE Algorithms 34134 Analytical! Computational and Variational Algorithms 35335 Evaluation of HDR Algorithms 35936 The HDR Story 373Glossary 377Author Index 385Subject Index 387 ...

Klappentext
Rendering High Dynamic Range (HDR) scenes on media with limited dynamic range began in the Renaissance whereby painters, then photographers, learned to use low-range spatial techniques to synthesize appearances, rather than to reproduce accurately the light from scenes. The Art and Science of HDR Imaging presents a unique scientific HDR approach derived from artists' understanding of painting, emphasizing spatial information in electronic imaging. Human visual appearance and reproduction rendition of the HDR world requires spatial-image processing to overcome the veiling glare limits of optical imaging, in eyes and in cameras. Illustrated in full colour throughout, including examples of fine-art paintings, HDR photography, and multiple exposure scenes; this book uses techniques to study the HDR properties of entire scenes, and measures the range of light of scenes and the range that cameras capture. It describes how electronic image processing has been used to render HDR scenes since 1967, and examines the great variety of HDR algorithms used today. Showing how spatial processes can mimic vision, and render scenes as artists do, the book also: * Gives the history of HDR from artists' spatial techniques to scientific image processing * Measures and describes the limits of HDR scenes, HDR camera images, and the range of HDR appearances * Offers a unique review of the entire family of Retinex image processing algorithms * Describes the considerable overlap of HDR and Color Constancy: two sides of the same coin * Explains the advantages of algorithms that replicate human vision in the processing of HDR scenes * Provides extensive data to test algorithms and models of vision on an accompanying website www.wiley.com/go/mccannhdr

Inhalt
About the Authors xix Preface xxi Series Preface xxiii Acknowledgements xxv Section A HISTORY OF HDR IMAGING 1 1 HDR Imaging 3 2 HDR Tools and Defi nitions 13 3 HDR in Natural Scenes 27 4 HDR in Painting 33 5 HDR in Film Photography 45 6 The Ansel Adams Zone System 59 7 Electronic HDR Image Processing: Analog and Digital 69 8 HDR and the World of Computer Graphics 77 9 Review of HDR History 83 Section B MEASURED DYNAMIC RANGES 89 10 Actual Dynamic Ranges 91 11 Limits of HDR Scene Capture 99 12 Limits of HDR in Humans 113 13 Why Does HDR Improve Images? 119 Section C SEPARATING GLARE AND CONTRAST 123 14 Two Counteracting Mechanisms: Glare and Contrast 125 15 Measuring the Range of HDR Appearances 135 16 Calculating the Retinal Image 145 17 Visualizing HDR Images 153 18 HDR and Uniform Color Spaces 161 19 Glare: A Major Part of Vision Theory 169 Section D SCENE CONTENT CONTROLS APPEARANCE 173 20 Scene Dependent Appearance of Quanta Catch 175 21 Illumination, Constancy and Surround 179 22 Maximum's Enclosure and Separation 193 23 Maxima Size and Distribution 201 24 From Contrast to Assimilation 209 25 Maxima and Contrast with Maxima 217 Section E COLOR HDR 221 26 HDR, Constancy and Spatial Content 223 27 Color Mondrians 227 28 Constancy's On/Off Switch 247 29 HDR and 3-D Mondrians 257 30 Color Constancy is HDR 273 Section F HDR IMAGE PROCESSING 283 31 HDR Pixel and Spatial Algorithms 285 32 Retinex Algorithms 293 33 ACE Algorithms 341 34 Analytical, Computational and Variational Algorithms 353 35 Evaluation of HDR Algorithms 359 36 The HDR Story 373 Glossary 377 Author Index 385 Subject Index 387

Produktinformationen

Titel: The Art and Science of HDR Imaging
Autor:
EAN: 9780470666227
ISBN: 978-0-470-66622-7
Format: Fester Einband
Genre: Wärme- und Energietechnik
Anzahl Seiten: 384
Gewicht: g
Größe: H23mm x B250mm x T173mm
Jahr: 2011
Auflage: 1. Auflage