The four most basic parameters in specifying the optics for a vision system are field of view, resolution, working distance, and depth of field. Other specifications to consider in advanced ...

Machine-vision integrators and designers, faced with challenging hardware, software, and electronic issues, often overlook optical performance specifications. Without understanding how to assess the ...

The way a normal eye functions with the brain and the environment. Illustration of what happens to the imagery from the world when projected onto a puckered or uneven retina. The blue line Illustrates ...

Accurate detection of heavy rail surface defects is crucial to both the economics and safety of railway transportation. However, the inspection of hot-rolled heavy rail presents obstacles that ...