Digital Color (eBook)

Christine FERNANDEZ-MALOIGNE is Professor at Poitiers University, Manager of Xlim-SIC Laboratory, Chasseneuil, France. Frédérique ROBERT-INACIO is Researcher at IM2NP and lecturer at ISEN, Toulon, France. Ludovic MACAIRE is Full Professor at Lille 1 University, LAGIS Laboratory, Villeneuve d'Asq, France.

Foreword xi

Pierre Bonton

Chapter 1. Colorimetry and Physiology - The LMS
Specification 1

Françoise Viénot and Jean Le Rohellec

1.1. Physiological basis 2

1.2. The XYZ colorimetry: the benchmark model of CIE 9

1.3. LMS colorimetry 11

1.4. Colors in their context 22

1.5. Conclusion 25

1.6. Bibliography 25

Chapter 2. Color Constancy 29

Jean-Christophe Burie, Majed Chambah and Sylvie Treuillet

2.1. Introduction 29

2.2. Theoretical preliminaries and problems 30

2.3. Color constancy models 34

2.4. Color correction algorithms 37

2.5. Comparison of color constancy algorithms 54

2.6. Conclusion 59

2.7. Bibliography 59

Chapter 3. Color Appearance Models 65

Christine Fernandez-Maloigne and Alain Trémeau

3.1. Introduction 65

3.2. The two perceptual phenomena of color appearance 67

3.3. The main components of a CAM 73

3.4. The CIECAM02 81

3.5. Conclusion 89

3.6. Bibliography 90

Chapter 4. Rendering and Computer Graphics 93

Bernard Péroche, Samuel Delepoulle and Christophe Renaud

4.1. Introduction 93

4.2. Reflection and representation models of light sources
94

4.3. Simulation of light propagation 99

4.4. Display of results 106

4.5. Conclusion 114

4.6. Bibliography 115

Chapter 5. Image Sensor Technology 119

François Berry and Omar Ait Aider

5.1. Photodetection principle 119

5.2. Imagers 124

5.3. Spectral sensitivity of imagers 138

5.4. Color acquisition systems 138

5.5. Through monochrome camera 139

5.6. Tri-sensor systems 141

5.7. Color camera based on color filter arrays 142

5.8. Variants of integrated sensors 144

5.9. Conclusion 146

5.10. Bibliography 147

Chapter 6. From the Sensor to Color Images 149

Olivier Losson and Eric Dinet

6.1. Introduction 149

6.2. Presentation and formalization of demosaicing 150

6.3. Demosaicing methods 159

6.4. Quality of the estimated image 171

6.5. Color camera calibration 178

6.6. Conclusion 181

6.7. Bibliography 181

Chapter 7. Color and Image Compression 187

Abdelhakim Saadane, Mohamed-Chaker Larabi and Christophe
Charrier

7.1. Introduction 187

7.2. Fundamentals of image compression 188

7.3. Compression standards and color 198

7.4. Color Image Compression 211

7.5. General conclusion 219

7.6. Bibliography 221

Chapter 8. Protection of Color Images 227

William Puech, Alain Trémeau and Philippe Carré

8.1. Introduction 227

8.2. Protection and security of digital data 228

8.3. Color image watermarking 238

8.4. Protection of color images by selective encryption (SE)
248

8.5. Conclusion 257

8.6. Bibliography 258

Chapter 9. Quality Assessment Approaches 265

Mohamed-Chaker Larabi, Abdelhakim Saadane and Christophe
Charrier

9.1. Introduction 265

9.2. Color fidelity metric 268

9.3. Subjective assessment of the quality 271

9.4. Objective evaluation of quality 280

9.5. Performance evaluation of the metrics 295

9.6. Conclusion 297

9.7. Bibliography 300

List of Authors 307

Index 311