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Machine vision is a new field. It can reduce process inefficiency with correctly setting up. Any facility that uses machine vision as a robot to guide or inspect should pay attention to this field and seek possible improvements. Machine vision system might lead to non-value-added downtime if it was not proper set up. Here are ten aspects that should be paid attention to machine vision improvement.
Lighting technology
The correct lighting technology should be used to illuminate the inspected area. Lighting techniques such as back lighting, bright field, glancing, low-angle linear arrays, and dark fields are the most critical aspects of machine vision. Depending on the surface finish and contour of the part, the correct lighting technology can enhance defects or remove image noise, improving system efficiency and stability. It is aim to choose a lighting technique that produces maximum contrast (from black to white pixels). In addition, the contrast needs to be directly related to what is being measured or checked.
visual inspection machine
Lighting Color
The color of lighting used for each particular part or application should be considered. The frequency is the number of shakes per second, and the wavelength is the distance between two points of the wave at the same position. Each of the different UV, blue, green, yellow, red, and infrared spectra has different illumination frequencies and wavelengths. These changes affect the response of the object and the surface of the camera as it enters. Its purpose is to utilize the frequency of light that produces maximum contrast and eliminates noise in the image. For example, metal parts can sometimes be introduced into a system that has a thin layer of oil or a slight oxidation of the surface, depending on how they are stored. When both types of parts are introduced into the inspection system, it is important to use the frequency of the light to reduce the amount of fluctuation.
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