Automatic methods are common for extraction of low-level descriptors from images and video.
However, very little work exists for representation and automatic extraction of semantic descriptors. I will also mention the relationship between the proposed methods and the MPEG-7 standard. Prior to his current position, he was a senior research scientist at Eastman Kodak Company between 1984-1987. He has also served as an associate editor for the IEEE Transactions on Signal Processing and IEEE Transactions on Image Processing and the Kluwer journal Multidimensional Systems and Signal Processing. He has also been on the editorial boards of the Academic Press journals Graphical Models and Image Processing, and Visual Communication and Image Representation.