Procedure for identifying the number of particles that are weakl

Details Procedure for identifying the number of particles that are weakl Procedure for identifying the number of particles that are weakl

1996-06-12

1998-10-27

Wambach, Margaret Rose

Electrical pulse counters, pulse dividers, or shift registers: c

Applications

Counting animate or inanimate entities

377 11, G06M 1102

Patent

active

058287167

ABSTRACT:
The present invention relates to a procedure for counting faintly luminescent particles, and relates specifically to a procedure for counting cells and microorganisms marked with a colored or fluorescent stain or marker that selectively marks the microorganisms and cells to be counted, characterized by the fact that the said procedure is implemented with the aid of a photon-accumulator camera and includes the acquisition of at least one low-resolution image I, the threshold processing of the said low-resolution image in order to obtain at least one digital image Ib, at least one dimensional filtration stage, and the counting of the number N of objects belonging to a given class of sizes in the digital image Ib.

REFERENCES:
patent: 5274431 (1993-12-01), Kuroda
patent: 5365559 (1994-11-01), Hsueh et al.
patent: 5426501 (1995-06-01), Hokanson et al.

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