There are many different types of filters in machine vision that can be utilized to improve or change the image of the object under inspection. Filtering provides a simple way to enhance the contrast of the image while blocking out unwanted illumination.

Filters types:

Bandpass filter
Longpass filter
Shortpass filter
Neutral density filter
Polarizing filter
Coated interference filter

Applications:

Machine Vision/Factory Automation
? Security and Surveillance
? License Plate Recognition/ITS
? Medical and Life Science
? Agricultural Inspection
? Aerial Imaging
? Motion Analysis
? Photography and Cinematography