Direct Outcode Calculation for Faster Clip Testing. - Walt Donovan; Tim Van Hook (Graphics Gems, 1994)

Programmable Image Processing in a Memory Controller. - Ihtisham Kabir; Michael Hsieh; Walt Donovan; Aman Jabbi; William Radke (ICIP (3), 1994)

Pixel processing in a memory controller. - Walt Donovan; Paolo Sabella; Ihtisham Kabir; Michael Hsieh (IEEE Computer Graphics and Applications, 1995)