Machine Vision: End User Solutions
Verification
Machine vision systems are widely used for the verification of parts, assemblies and packaged goods. The range of verification applications are generally so broad, they utilize the same tools for positioning, measurement, identification and flaw detection. Verification is often combined with other tasks, such as measurement of part dimensions or reading of product barcode, to render 100% product inspection.
Verification using Machine Vision Color Tools
Color tools are often used to detect the presence and order of parts on an assembly, such as the blue and red plastic components on the medical instruments shown to the right.
Similarly, the green, blue, and yellow parts in this packaged tray can be easily verified using color tools.
Water Aerators in a Tray
Color Assembly Verification
Machine Vision is used by the food industry to verify product content as well as processing and packaging.
Often, presence of product is detected by color as the position and extent of component foods vary too much to be reliably measured.
In the example above, corn on a production line is being graded according to the density of green kernels in the batch.
Pop-top can lids are checked to verify that they are "top side up" and have the pull ring in place before they are joined to beverage cans.
The low contrast of this image might make for a difficult inspection, but DALSA's geometric pattern tools are easily able to distinguish the pull ring from the background.
Verification of Gear Teeth
