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Abstract

An apparatus for analyzing blood includes an image capturing device for capturing an image including at least one object blood cell and an analyzer for analyzing the captured image as an image F(x, y) in an x-y coordinate system. The analyzer includes an edge calculator for calculating an edge intensity distribution E(x, y) representing an outline of the image F(x, y); a weight memory for storing in advance a weight distribution W(i, j) corresponding to an average outline of the object cell; an assessment value calculator for obtaining an assessment value C (x, y) at each point (x, y) by calculating a degree of correspondence between the edge intensity distribution E (x, y) and the weight distribution W(i, j) for each point (x, y); and an extractor for extracting a point (x, y) at which the assessment value C(x, y) is larger than a predetermined value, thereby determining that the object blood cell is present at the point (x, y). The apparatus is useful as a device for identifying the object blood cell.

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First Claim