Image Indexing

The basis of image indexing is a semantic image representation. The total image representation is defined as: Global image representation and Image Elements representation,

where

Global image representation = {Image Name, Image Colour, Image Attribute}

And Image Elements representation includes the Image element representations and their places.

Image Element representation = {Element name, Element colour, Element shape, Element attribute}.

An Element is a small patch in the image with descriptive power. The best choice for an ensemble element is to form a set from which the image is composed.

The different elements in the semantic image representations are defined as:

1.      Name description.

Name of an image or elements in it could be given during the image entering.

2.      Attribute description.

It is borrowed from outside sources concerning the image elements. In the case of geographic maps, if the element represents a legend sign for a town, the user could enter the town population. The attribute description could be text or number.

3.      Colour description.

Each image voxel is considered as a point in a 3D colour space (Red, Green, Blue).