This inventor holds 2 USPTO granted patents. Top assignee: Sun Microsystems, Inc.. Active years: 1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1998
Title: Chang-Guo Zhou: Innovator in Digital Video Processing
Introduction
Chang-Guo Zhou is a prominent inventor based in Cupertino, CA, known for his significant contributions to digital video processing technologies. With a total of 2 patents, he has made remarkable advancements that enhance the efficiency of video conversion and decompression.
Latest Patents
One of his latest patents focuses on color format conversion in a parallel processor. This invention allows for the conversion of a pixel of a color video image from one color format, such as YUV, to another format like RGB or CMY. By utilizing a partitioned addition operation, the invention reduces the processing time from approximately 20 instruction cycles per pixel to less than 2.5 instruction cycles per pixel. This innovation enables real-time rendering of full-sized, digital NTSC, MPEG-compressed motion video images without the need for additional hardware components.
Another notable patent is an apparatus and method for accelerating digital video decompression. This invention implements key functions for an MPEG decoder in a pipelined parallel processor, maximizing parallelization through partitioned arithmetic and logic operations. This approach significantly decreases the total number of instruction cycles required for inverse quantization, inverse discrete cosine transform, and motion compensation functions.
Career Highlights
Chang-Guo Zhou is currently associated with Sun Microsystems, Inc., where he continues to develop innovative solutions in the field of digital video technology. His work has been instrumental in advancing the capabilities of video processing systems.
Collaborations
Throughout his career, Chang-Guo has collaborated with notable colleagues, including Amandeep S Jabbi and Daniel S Rice, contributing to various projects that push the boundaries of technology.
Conclusion
Chang-Guo Zhou's contributions to digital video processing have significantly impacted the industry, making video conversion and decompression faster and more efficient. His innovative patents reflect his expertise and commitment to advancing technology in this field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile