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.
Illumation: PIV Trigger Mode
This mode is mainly used in PIV (Particle Image Velocimetry), a fluid mechanical measurement technique.
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.
Illumination: Advanced coaxial illumination
Illumination for homogeneous illumination of uneven surfaces.
Illumination: Advanced illumination solutions
Getting the best image is a combination of the right illumination, the right lensing and filters to complement and enhance the features in the image with a camera that is set up correctly.
Illumination: Angle of illumination
Probably the most important factor that governs how the captured image appears is the angle at which the light falls on the target.
Illumination: Backlight illumination - diffuse
Technique positioning a diffuse illuminator behind the object to produce a silhouette.
Illumination: Backlighting
Light source placed behind the object so that it appears dark on a light background.
Illumination: Bright field illumination
Most common technique for illuminating diffuse, non-refelctive objects.