2. The apparatus of claim 1 , wherein the processing device is further configured to compute a simplified representation of the scene corresponding to a human observation of the scene.
2. The apparatus of claim 1 , wherein the processing device is further configured to compute a simplified representation of the scene corresponding to a human observation of the scene. 14. The apparatus of claim 2 , wherein the assigning further comprises the processor configured to: provide the vocabulary of color names with a plurality of color prototypes, each color prototype having a prototype color name and a corresponding prototype color value; compare the perceived color value of each the meaningful region to the prototype color value of each color prototype in the vocabulary, and obtaining a color match value for the each color prototype in the vocabulary; determine a closest color match value resulting from the comparing; and assign to the meaningful region a particular prototype color name corresponding to the closest match value.