Typical VISOR® Allround
The VISOR® Allround is a real multi-talent among vision sensors. In the allround version, the device unites the functions of the VISOR® Object (i.a. calibration, pattern matching, contour, calliper, BLOB) with
the powerful tools of the VISOR® Code Reader (bar code, datamatrix and optical character recognition).
When feeding parts in correct alignment or positioning components, additional datamatrix codes for example can now also be read. With a resolution of up to 1.5 mega-pixel even the smallest details are reliably detected and evaluated.
In addition to the monochrome version, the VISOR® Allround is also available as a colour version with up to 1.5 megapixel. Thus additional "Detectors" are available for colour evaluation. Even the subtlest nuances in shade can be reliably detected. The relevant object colours, for example, can be taught-in quite simply by push of a button or - thanks to the intuitive colour histogram - set graphically for each channel in the colour space. The authorised colour tolerances can be defined by the user.
Raised or recessed object details - such as embossed digits and characters on a credit card - are difficult to detect with standard image processing methods. Even use of lateral lighting generally results in poorly identifiable contours due to overexposure and shadows. VISOR® Allround Professional remedies this situation with the new multishot function.
Virtual color filters for a maximum of contrast
With the help of virtual color filters, which emphasize the relevant area of the image and suppress interfering image parts, inspection tasks can now be solved even more simply and reliably with maximum contrast. The virtual filters can be configured individually for each detector. Compared to optical color filters this results in a much higher flexibility.
Many applications can be solved more easily by defining any color as software color filter and simulating a lighting or a filter with a specific wavelength:
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