1. An inspection and analysis system comprising: a sensing system for sensing features in an object and providing digital signals representative thereof; a programmed computer coupled to the sensing system, said computer being arranged to perform cluster analysis on data received from said sensing system, wherein said computer is programmed to employ an enhanced Hoshen-Kopelman with label reuse for identifying and labeling clusters concurrently for each of a plurality of data groups to detect and quantify cluster features in said data groups, and merge cluster shape feature properties for each of said data groups, thereby to detect and quantify cluster features other than cluster population; and an output device connected to indicate the identified and quantified cluster information developed from inspecting and analyzing the sensed object to a user of the system.