| 摘要 |
PROBLEM TO BE SOLVED: To accurately measure particles that are objects to be measured over the range of a visual field to be observed, even when the particles that are the objects to be measured exist so as to straddle the range of visual field. SOLUTION: In this particle measuring instrument which has an X-Y coordinate moving means, having a sample placed thereon and freely moved in the XY coordinate axis direction, for a microscope for observing the sample placed on the XY coordinates moving means, an imaging means for imaging the visual field to be observed and recognized by the microscope and a processing means for measuring the particles contained in the sample by processing the image captured by the imaging means, at least a part of the imaging region of the imaging means is set as a region moved to the inner side the maximum value of the particles to be measured of the particles contained in the sample; while the inside of the set region is set to the measuring region of the particles contained in the sample; and only when the coordinates inherent to the particles contained in the sample are present in the measuring region, will the particles contained in the sample be measured by the processing means. COPYRIGHT: (C)2008,JPO&INPIT
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