Patent ID: 9690974
Date: 2017-06-27
CPC Classifications: G01N,G02B,G06K

Claim:
1. An optical organic particle counting method, comprising: adjusting a microscope focal depth of a microscope through a range of values of the microscope focal depth, the microscope having a microscope focal arrangement adapted to form a plurality of blurry images of organic particles in a z plane of a fluid sample at different ones of the range of values of the microscope focal depth, wherein the different ones of the range of values of the microscope focal depth comprises at least one focal plane above the z plane of the organic particles and at least one focal plane below the z plane of the organic particles; recording the plurality of blurry images of the organic particles at the different ones of the range of values of the microscope focal depth, wherein coordinates of the organic particles overlap on the plurality of blurry images, thus causing the generation of a specific light-dark pattern across the plurality of blurry images indicative of the organic particles; and analyzing the plurality of blurry images for the specific light-dark pattern across the plurality of blurry images to identify and classify the organic particles.