CAMERAMAN - Load the 'cameraman' test signal

Description

cameraman loads the 'cameraman' signal. The Cameraman (a.k.a. Photographer) is an image commonly used in image processing, especially filtering papers. The resolution is (256 x 256).

This signal, and other standard image tests signals, can be found on Morgan McGuire's Computer Graphics Archive`<http://graphics.cs.williams.edu/data/images.xml>`_.

For convenience the output image is normalized by 255 and converted to double.

Example

Load the image and display it:

im = cameraman();
imagescgray(im);