Image Contrast

[David Bovill]

David Bovill wrote:
> David Bovill wrote:
>>    3) Use QuickTime with an external 
>
> With Tiger Rev can access CoreImage based transitions.... 
And with Trevors external you can apply Filters to a QuickTime movie - 
CoreImage Filters? So you could open an image in a player - apply a 
filter and then export the resulting frame?

    qtAddFilter movieControllerID of player "Movie", "filmnoise", 0, 1200

So which is the best way to manipulate image *contrast* and *brightness*?