Glossary of Machine Vision - P

P

• Pattern recognition. This is a field within the area of machine learning. Alternatively, it can be defined as the act of taking in raw data and taking an action based on the category of the data. It is a collection of methods for supervised learning.
• Pixel. A pixel is one of the many tiny dots that make up the representation of a picture in a computer's memory or screen.
• Pixelation. In computer graphics, pixelation is an effect caused by displaying a bitmap or a section of a bitmap at such a large size that individual pixels, small single-colored square display elements that comprise the bitmap, are visible.
• Prime lens. Mechanical assembly of lenses whose focal length is fixed, as opposed to a zoom lens, which has a variable focal length.