Particle measuring apparatus
First Claim
1. A particle measuring apparatus comprising:
- characteristic parameter extracting means for extracting a plurality of characteristic parameters from each particle in a sample;
distribution diagram preparing means for preparing at least one first distribution diagram on the basis of the extracted characteristic parameters;
first separating means for separating a cluster including target particles from other information on the prepared at least one distribution diagram;
discriminating means for calculating a discrimination function for the separated cluster including the target particles and for discriminating target particles from non-target particles in the cluster on the basis of a distance from the calculated discrimination function; and
counting means for counting the number of the target particles discriminated by the discriminating means.
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Accused Products
Abstract
A particle measuring apparatus includes a characteristic parameter extracting device for extracting a plurality of characteristic parameters from each particle in a sample, and a distribution diagram preparing device for preparing a first distribution diagram on the basis of the extracted characteristic parameters. It further includes a first separating device for separating a cluster including target particles from others on the prepared first distribution diagram. In addition, a discriminating device is included for setting a specified discrimination standard for the separated cluster including the target particles and for judging whether the particles in the cluster are target particles or non-target particles on the basis of the discrimination standard. Finally, a counting device is included for counting the number of the target particles on the basis of a discrimination result of the discriminating device.
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Citations
36 Claims
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1. A particle measuring apparatus comprising:
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characteristic parameter extracting means for extracting a plurality of characteristic parameters from each particle in a sample; distribution diagram preparing means for preparing at least one first distribution diagram on the basis of the extracted characteristic parameters; first separating means for separating a cluster including target particles from other information on the prepared at least one distribution diagram; discriminating means for calculating a discrimination function for the separated cluster including the target particles and for discriminating target particles from non-target particles in the cluster on the basis of a distance from the calculated discrimination function; and counting means for counting the number of the target particles discriminated by the discriminating means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A particle measuring apparatus comprising:
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characteristic parameter extracting means for extracting a plurality of characteristic parameters from each particle in a sample; distribution diagram preparing means for preparing at least one distribution diagram on the basis of the extracted characteristic parameters; first separating means for separating a cluster including target particles from other information on the prepared at least one distribution diagram; discriminating means for setting a specified discrimination standard for the separated cluster including the target particles and for discriminating target particles from non-target particles in the cluster on the basis of the discrimination standard; and counting means for counting the number of the target particles discriminated by the discriminating means, wherein the target particles are platelets and the non-target particles are background noise. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
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31. A particle measuring apparatus comprising:
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characteristic parameter extracting means for extracting a plurality of characteristic parameters from each particle in a sample; distribution diagram preparing means for preparing a first distribution diagram on the basis of the extracted characteristic parameters; first separating means for separating a cluster including target particles from other information on the prepared first distribution diagram; second separating means for finely separating the cluster including target particles into a plurality of clusters on the first distribution diagram; discriminating means for setting a specified discrimination standard for the separated cluster including the target particles and for discriminating target particles from non-target particles in the plurality of clusters on the basis of the discrimination standard and discriminating one of the plurality of clusters as non-target particles; and counting means for counting the number of the target particles discriminated by the discriminating means. - View Dependent Claims (32, 33, 34, 35, 36)
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Specification