M-File Help: intgimage View code for intgimage

intgimage

Compute integral image

out = intimage(im) is an integral image corresponding to im.

Integral images can be used for rapid computation of summations over rectangular regions.

Examples

Create integral images for sum of pixels over rectangular regions

i = intimage(im);

Create integral images for sum of pixel squared values over rectangular regions

i = intimage(im.^2);

See also

iisum


 

© 1990-2012 Peter Corke.