Do you know what illumination pre / post processing and LUT filter are in visual inspection?
These are two techniques used to detect defects in rubber parts such as seals, hoses, and o-rings, metal parts and PTFE.
Illumination pre / post processing evens out the lighting on the surface of the object being examined to avoid overly bright or dark areas that could affect defect identification.
LUT filter applies a specific color transformation to the image to compensate for any defects due to lighting or other issues.
Illumination pre / post processing works best for simple and uniform parts, while LUT filter is better for more complex parts or specific lighting issues.
Both techniques have their pros and cons, so it's important to have a good understanding of the object's geometry, position, and lighting adjustments for illumination pre / post processing, and advanced image processing knowledge for LUT filter.
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