Picture function
From Wikipedia, the free encyclopedia
A picture function is a mathematical representation of a two-dimensional image as a function of two spatial variables. The function f(x,y) describes the intensity of the point at coordinates (x,y).
[edit] References
- Forsyth, David; Ponce, Jean (2002). Computer Vision: A Modern Approach. Prentice-Hall. ISBN ISBN 978-0130851987.