Digital Color

In this book the authors identify the basic concepts and recent advances in the acquisition, perception, coding and rendering of color. The fundamental aspects related to the science of colorimetry in relation to physiology (the human visual system) are addressed, as are constancy and color appearance. It also addresses the more technical aspects related to sensors and the color management screen. Particular attention is paid to the notion of color rendering in computer graphics. Beyond color, the authors also look at coding, compression, protection and quality of color images and videos. Individual chapters focus on the LMS specification, color constancy, color appearance models, rendering in synthetic image generation, image sensor technologies, image compression, and quality and secure color imaging. Ideal for researchers, engineers, Master s and PhD students, Digital Color: Acquisition, Perception, Encoding and Rendering offers a state of the art on all the scientific and technical issues raised by the different stages of the digital color process acquisition, analysis and processing. Contents 1. Colorimetry and Physiology The LMS Specification, Fran oise Vi not and Jean Le Rohellec. 2. Color Constancy, Jean-Christophe Burie, Majed Chambah and Sylvie Treuillet. 3. Color Appearance Models, Christine Fernandez-Maloigne and Alain Tr meau. 4. Rendering and Computer Graphics, Bernard P roche, Samuel Delepoulle and Christophe Renaud. 5. Image Sensor Technology, Fran ois Berry and Omar Ait Aider. 6. From the Sensor to Color Images, Olivier Losson and Eric Dinet. 7. Color and Image Compression, Abdelhakim Saadane, Mohamed-Chaker Larabi and Christophe Charrier. 8. Protection of Color Images, William Puech, Alain Tr meau and Philippe Carr . 9. Quality Assessment Approaches, Mohamed-Chaker Larabi, Abdelhakim Saadane and Christophe Charrier.

In this book the authors identify the basic concepts and recentadvances in the acquisition, perception, coding and rendering ofcolor. The fundamental aspects related to the science ofcolorimetry in relation to physiology (the human visual system) areaddressed, as are constancy and color appearance. It also addressesthe more technical aspects related to sensors and the colormanagement screen. Particular attention is paid to the notion ofcolor rendering in computer graphics. Beyond color, the authorsalso look at coding, compression, protection and quality of colorimages and videos.Individual chapters focus on the LMS specification, colorconstancy, color appearance models, rendering in synthetic imagegeneration, image sensor technologies, image compression, andquality and secure color imaging. Ideal for researchers, engineersMaster's and PhD students, Digital Color: AcquisitionPerception, Encoding and Rendering offers a state of the art on allthe scientific and technical issues raised by the different stagesof the digital color process - acquisition, analysis andprocessing.Contents1. Colorimetry and Physiology - The LMS SpecificationFrançoise Viénot and Jean Le Rohellec.2. Color Constancy, Jean-Christophe Burie, Majed Chambah and SylvieTreuillet.3. Color Appearance Models, Christine Fernandez-Maloigne and AlainTrémeau.4. Rendering and Computer Graphics, Bernard Péroche, SamuelDelepoulle and Christophe Renaud.5. Image Sensor Technology, François Berry and Omar AitAider.6. From the Sensor to Color Images, Olivier Losson and EricDinet.7. Color and Image Compression, Abdelhakim Saadane, Mohamed-ChakerLarabi and Christophe Charrier.8. Protection of Color Images, William Puech, Alain Trémeauand Philippe Carré.9. Quality Assessment Approaches, Mohamed-Chaker Larabi, AbdelhakimSaadane and Christophe Charrier.

Foreword xiPierre BontonChapter 1. Colorimetry and Physiology - The LMSSpecification 1Françoise Viénot and Jean Le Rohellec1.1. Physiological basis 21.2. The XYZ colorimetry: the benchmark model of CIE 91.3. LMS colorimetry 111.4. Colors in their context 221.5. Conclusion 251.6. Bibliography 25Chapter 2. Color Constancy 29Jean-Christophe Burie, Majed Chambah and Sylvie Treuillet2.1. Introduction 292.2. Theoretical preliminaries and problems 302.3. Color constancy models 342.4. Color correction algorithms 372.5. Comparison of color constancy algorithms 542.6. Conclusion 592.7. Bibliography 59Chapter 3. Color Appearance Models 65Christine Fernandez-Maloigne and Alain Trémeau3.1. Introduction 653.2. The two perceptual phenomena of color appearance 673.3. The main components of a CAM 733.4. The CIECAM02 813.5. Conclusion 893.6. Bibliography 90Chapter 4. Rendering and Computer Graphics 93Bernard Péroche, Samuel Delepoulle and Christophe Renaud4.1. Introduction 934.2. Reflection and representation models of light sources944.3. Simulation of light propagation 994.4. Display of results 1064.5. Conclusion 1144.6. Bibliography 115Chapter 5. Image Sensor Technology 119François Berry and Omar Ait Aider5.1. Photodetection principle 1195.2. Imagers 1245.3. Spectral sensitivity of imagers 1385.4. Color acquisition systems 1385.5. Through monochrome camera 1395.6. Tri-sensor systems 1415.7. Color camera based on color filter arrays 1425.8. Variants of integrated sensors 1445.9. Conclusion 1465.10. Bibliography 147Chapter 6. From the Sensor to Color Images 149Olivier Losson and Eric Dinet6.1. Introduction 1496.2. Presentation and formalization of demosaicing 1506.3. Demosaicing methods 1596.4. Quality of the estimated image 1716.5. Color camera calibration 1786.6. Conclusion 1816.7. Bibliography 181Chapter 7. Color and Image Compression 187Abdelhakim Saadane, Mohamed-Chaker Larabi and ChristopheCharrier7.1. Introduction 1877.2. Fundamentals of image compression 1887.3. Compression standards and color 1987.4. Color Image Compression 2117.5. General conclusion 2197.6. Bibliography 221Chapter 8. Protection of Color Images 227William Puech, Alain Trémeau and Philippe Carré8.1. Introduction 2278.2. Protection and security of digital data 2288.3. Color image watermarking 2388.4. Protection of color images by selective encryption (SE)2488.5. Conclusion 2578.6. Bibliography 258Chapter 9. Quality Assessment Approaches 265Mohamed-Chaker Larabi, Abdelhakim Saadane and ChristopheCharrier9.1. Introduction 2659.2. Color fidelity metric 2689.3. Subjective assessment of the quality 2719.4. Objective evaluation of quality 2809.5. Performance evaluation of the metrics 2959.6. Conclusion 2979.7. Bibliography 300List of Authors 307Index 311