Knowledge base

Learn more about machine vision! In our knowledge base we are explaining key technical terms about image processing. We give you an overview to topics like 3D machine vision or the established standards like CameraLink, GigE Vision or GenICam.

Illumination

Selecting and correctly configuring the optimal illumination setup is one of the key factors when designing a vision system. Missing image information caused by incorrect illumination makes subsequent analysis much more difficult or even impossible, as no analysis algorithm can recover information that has never been captured.

Illumination control

Illumination usually needs to be controlled in some way. Lights can be strobed or pulsed, the intensity can be raised or lowered or, in a more complex set- up, different lighting scenarios can be pre-programmed using a lighting controller so a combination of images can be used to perform a reliable inspection.

Illumination safety: lasers

Most European countries have very strict rules concerning the use of lasers. As lasers are commonly used for test or placement applications in machine vision, it is very important to be aware of the safety standards.

Illumination safety: LEDs

LEDs are covered by the IEC regulations and special care needs to be taken to ensure that LED based illumination installations will not cause harm to the operator.

Illumination sources

Selecting the most suitable illumination is one of the most crucial factors in designing a vision system.

Illumination techniques for industrial image processing

When implementing an image processing solution, the selection of suitable illumination is a crucial element in determining the quality of the captured images and can have a huge effect on the subsequent evaluation of the image. Despite this, choosing the best light source for an application is often among the most fraught tasks in image processing and is quite often neglected - to the detriment of the overall system.