caption: a diagram of a parametric model parameters
exif: {"Image DocumentName": "Parametric Models : Parametrically Summarise Data", "Image ImageDescription": "Parametric Models : Parametrically Summarise Data", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}