This inventor holds 6 USPTO granted patents. Top assignees: Cordis Corporation, University of Washington. Active years: 1981-2002.
Location History:
- Seattle, WA (US) (1984)
- Kirkland, WA (US) (1981 - 2002)
Company Filing History:
Years Active: 1981-2002
Title: Innovations of Gregory L Zick
Introduction
Gregory L Zick is an accomplished inventor based in Kirkland, WA (US). He holds a total of 6 patents that showcase his expertise in the fields of speech recognition and video compression technologies. His innovative approaches have significantly contributed to advancements in these areas.
Latest Patents
One of Zick's notable patents is for a technique that enables speech recognition directly from MPEG/audio encoded files. This method operates in the compressed domain, eliminating the need for decompression. By extracting and processing only the encoded subband signals, the technique utilizes a speech recognition engine based on the Hidden Markov model. It is versatile enough to apply to both layers I and II of MPEG/audio, allowing training under one layer to facilitate recognition in the other.
Another significant patent focuses on automatic scene decomposition and optimization of MPEG compressed video. This innovation analyzes video data in MPEG format to identify scene changes, which aids in indexing specific video frames and enhances data compression and quality. By examining P-pictures and utilizing average error power and interframe correlation, Zick's method effectively identifies scene changes. The subsequent conversion of I-pictures to P-pictures improves the overall compression and quality of the video data.
Career Highlights
Throughout his career, Gregory L Zick has worked with reputable organizations, including Cordis Corporation and the University of Washington. His experience in these institutions has allowed him to refine his skills and contribute to significant technological advancements.
Collaborations
Zick has collaborated with notable individuals in his field, including Hain-Ching H Liu and Stanley H Saulson. These partnerships have further enriched his work and expanded the impact of his inventions.
Conclusion
Gregory L Zick's contributions to speech recognition and video compression technologies highlight his innovative spirit and dedication to advancing these fields. His patents reflect a deep understanding of complex systems and a commitment to improving technology for practical applications.

