Patent ID: 6633659
Filing Date: 2003-10-14
Classification: G06K,G06T

Abstract:
A system for assessing chemical materials manifested as an array of signals, the array being a grid of a plurality of sub-grids of the chemical materials, said system comprising:a memory storing a digital image of the array; and a processor for accessing the digital image from said memory, detecting in the digital image a center-representing pixel and an approximate radius of a signal of a chemical material, segmenting the signal, and calculating a measure of the segmented signal; said processor segmenting the signal for the chemical material by classifying pixels within the approximate radius of the center-representing pixel as tentative signal pixels and outside the approximate radius from the center-representing pixel as tentative background pixels, determining a signal major mode for the tentative signal pixels and a background major mode for the tentative background pixels, and using pixel intensity relative to the signal major mode and the background major mode to reclassify the tentative signal and background pixels.