4. The method of claim 3 , wherein the feature is one of a low-level feature, a mid-level feature, or a high level feature, wherein a low-level feature is directly extracted from image pixel data, a mid-level feature abstracts properties of the region of interest collected from the image annotations, and a high level feature is a domain specific property of a given image.
3. The method of claim 1 , wherein an expert annotation further include a labeled image or region of interest in an image and a template with a feature associated with each label in the image or region of interest in an image.