It is important, therefore, to implement a higher resolution technique to distinguish the "signal" of a light scratch from
that of unscratched surface without relying on human perception.
However, any measurement of the size of a scratch from
the intensity profile has two serious drawbacks.
Thereafter, 7 Studios, under Activision's control, refused to turn over the Scratch game code and attempted to prevent Scratch from
obtaining the source code for the game engine.
It is also alleged that after Activision acquired 7 Studios, the two companies began conspiring to prevent Scratch from
getting to market on a timely basis by withholding work product, code and the proprietary game controller.