v.lookup v.lookup allows you to apply an arbitrary transform to pixel values using a table object or a multi-slider. v.lookup allows you to apply an arbitrary transform to pixel values using a table object or a multi-slider. The pixel value used to lookup a new value in the table or from the list of 256 ints. For yuv images, only the y component is transformed. For rgb images, each component is independently transformed.

from the library : softVNS Format : External Environment : jitter / max commercial Max 4.x http://homepage.mac.com/davidrokeby/softVNS.html