Measurement apparatus, method and computer program
US8224058B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2007 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | Mar 14, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30024
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A measurement apparatus for enumeration of particles or white blood cells in a sample comprises: a holder, which is arranged to receive a sample acquiring device that holds a sample, an imaging system, comprising a magnifying means and at least one digital image acquiring means, said imaging system being arranged to acquire at least one digital image of the sample, and an image analyser, which is arranged to analyse the digital image for identifying particles or white blood cells and determining the number of particles or white blood cells and which is arranged to analyse the digital image for identifying particles or white blood cells that are imaged in focus, determining types of these particles or white blood cells, the types being distinguished by physical features and determining the ratio of different types of particles or white blood cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.