| 摘要 |
<p>A system and method for compensating pixel values in an inspection machine for inspecting printed circuit boards includes an image acquisition system for providing pixel values from a digitized image to a compensation circuit. The compensation circuit applies one or more compensation values to the digitized pixel values to provide compensated digitized pixel values for storage in a memory. The compensated digitized pixel values are then available for use by an image processor which implements inspection techniques during a printed circuit board manufacturing process. With this technique, the system corrects the errors on a pixel by pixel basis as the pixel values representing an image of a printed circuit board are transferred from the image acquisition system to the memory.</p> |
