Company Filing History:
Years Active: 2009-2015
Title: The Innovative Contributions of Feng Xie
Introduction
Feng Xie is a notable inventor based in Belmont, California, recognized for his significant contributions to the field of computer graphics. With a total of three patents to his name, Xie's work primarily focuses on enhancing the realism of computer-generated imagery.
Latest Patents
One of Feng Xie's latest patents is titled "Importance Sampling for Hair Scattering." This innovative technique aims to render realistic images of hair in computer-generated scenes. The method involves accessing a hair shading function that partly defines a material model, generating a set of random values, and converting these values into light direction samples based on a Cauchy distribution. The resulting light color and hair color values are computed and weighted to determine the characteristics of pixels representing the virtual object.
Another significant patent is "Soft Shadows for Cinematic Lighting for Computer Graphics." This method provides high-quality soft shadows for area lights in cinematic lighting, particularly useful in computer-enabled animation. By extending traditional shadow maps, this approach maintains performance regardless of geometric complexity. It employs multilayer translucent shadow maps to produce high-quality soft shadows, even in scenes with intricate geometry, fur, and volumetric objects.
Career Highlights
Feng Xie has worked with prominent companies in the animation and visual effects industry, including Pacific Data Images and DreamWorks Animation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in computer graphics.
Collaborations
Throughout his career, Feng Xie has collaborated with talented individuals such as Nick Foster and Peter Farson. These partnerships have fostered innovation and creativity in his work.
Conclusion
Feng Xie's contributions to computer graphics through his patents and collaborations have significantly advanced the field. His innovative techniques for rendering hair and creating soft shadows enhance the visual quality of animated scenes.