| 摘要 |
<p>An image analysis system includes a means (2) for forming an image of an object (1), and an illumination apparatus, the illumination apparatus comprising: illumination means (5), for illuminating the object; and processing means (3), for comparing the brightness of the image with a predetermined brightness level or brightness levels, and capable of increasing or decreasing the light output of the illumination means on the basis of the result of said comparison. Also disclosed is a system including a measurement apparatus for comparing the size of an object with that of a reference object (10), the apparatus comprising: a means (2) for forming an image of the object whose size is to be determined, when the object is in a viewing position; and a reference object, mounted in the apparatus, which may be viewed, using the means for forming an image, instead of, or in addition to, the object whose size is to be measured. The invention is disclosed with particular reference to its incorporation in a static indentation hardness testing machine.</p> |
