This inventor holds 4 USPTO granted patents and 3 published patent applications. Top assignees: Apple Inc., Other. Active years: 1984-1997.
Location History:
- Saugerties, NY (US) (1984)
- Boca Raton, FL (US) (1993)
- Palo Alto, CA (US) (1996 - 1997)
Company Filing History:
2 out of 43,372 
2 out of 834,350 Years Active: 1984-1997
Title: Edward C Greene: Innovator in Rendering Technology
Introduction
Edward C Greene is a notable inventor based in Boca Raton, FL (US). He has made significant contributions to the field of rendering technology, holding a total of 4 patents. His work focuses on improving the efficiency and accuracy of rendering complex scenes in computer graphics.
Latest Patents
One of Greene's latest patents is titled "Error-bounded antialiased rendering of complex scenes." This innovative algorithm guarantees that each pixel of the output image is within a user-specified error tolerance of the filtered underlying continuous image. It utilizes an object-space octree to rapidly cull hidden geometry and employs a quadtree data structure to test visibility through image-space regions. When regions become too complex, quadtree subdivision is used to simplify the geometry, stopping when the algorithm can either analytically filter the required region or bound the convolution integral appropriately with interval methods.
Another significant patent is "Rendering of 3D scenes on a display using hierarchical z-buffer." This hierarchical Z-buffer scan-conversion algorithm excels at quickly rejecting most hidden geometry in a model while exploiting the spatial and temporal coherence of the images being generated. The method employs two hierarchical data structures, an object-space octree and an image-space Z-pyramid, to accelerate scan conversion. This approach allows for rapid rejection of hidden geometry while rendering visible geometry with the speed of scan conversion, making it particularly effective for models with high depth complexity.
Career Highlights
Throughout his career, Edward C Greene has worked with prominent companies, including Apple Inc. His expertise in rendering technology has positioned him as a valuable asset in the field of computer graphics.
Collaborations
Greene has collaborated with notable individuals such as Michael H Kass and Gavin S Miller. These partnerships have contributed to the advancement of rendering techniques and the development of innovative algorithms.
Conclusion
Edward C Greene's contributions to rendering technology have significantly impacted the field of computer graphics. His innovative patents and collaborations highlight his expertise and dedication to advancing rendering techniques.