《Meet iCAM A Next Generation Color Appearance Model》.pdfVIP

Meet iCAM: A Next-Generation Why Are We Here? Color Appearance Model CIC X, 2002 Mark D. Fairchild Garrett M. Johnson RIT Munsell Color Science Laboratory • Spatial, Temporal, Image Quality Questions Remain /mcsl • E.g. Pattanaik et al. 1998 Outline Very Brief History of Color Appearance Models • Very Brief History of Color Appearance Models • You’ve just heard two talks on CIECAM02 • Image Appearance Modeling • iCAM: An Image Appearance Model • Enough said… • Future Directions What Does a Color Appearance Model Enable? Appearance Correlates • Brightness, Lightness • Mapping from Measurements to Words • Colorfulness, Chroma, Saturation (Physics to Perception) • Hue • Prediction of Color Matches (or Changes) across Changes in Viewing Conditions History of Color Appearance Models A Next Generation CAM 1970’s: CIELAB and CIELUV Early 1980’s: Initial Hunt and Nayatani Color Appearance Models Late 1980’s: Revisions of Hunt and Nayatani Models Early 1990’s: Model Testing, Further Revisions, New Models (e.g., RLAB, LLAB) Late 1990’s: Convergence … CIECAM97s Early 2000’s: Widespread focused testing and refinement, CIECAM02 is an Evolution of CIECAM97s CIECAM02, Practical Image Appe