Location History:
- Mahomet, IL (US) (2004)
- San Francisco, CA (US) (2020 - 2023)
- San Diego, CA (US) (2010 - 2024)
Company Filing History:
19 out of 1,139 
4 out of 4 
3 out of 15,475 
Years Active: 2004-2025
Title: **David J. Kriegman: Innovator in Document Enhancement Technologies**
Introduction
David J. Kriegman, based in San Diego, CA, is a prolific inventor with an impressive portfolio of 31 patents. His work primarily focuses on enhancing document imaging and recognition systems, contributing significantly to advancements in how digital documents are processed and displayed.
Latest Patents
One of Kriegman's notable patents is centered around "Enhancing documents portrayed in digital images." This innovation introduces systems and methods designed to efficiently generate enhanced document images from live image feeds. The processes described ensure that the final output features cropped, rectified images with clear, dark text against predominantly white backgrounds. Furthermore, his patent includes a methodology for detecting stored digital content items that contain displayed documents, facilitating the generation of enhanced document images from these items.
Another significant patent titled "Live document detection in a captured video stream" showcases systems and methods aimed at quickly and accurately identifying the boundaries of displayed documents within live camera feeds. This technology employs parallel detection processes to provide users with accurate document boundary indicators, thus improving user experience when verifying document identification within camera viewfinder feeds.
Career Highlights
Throughout his career, David J. Kriegman has collaborated with major companies such as Dropbox, Inc. and Taaz, Inc. His experience in these innovative environments has allowed him to refine his expertise in document enhancement and recognition technology, showcasing the practical applications of his inventions.
Collaborations
In his professional journey, David has had the opportunity to work alongside notable peers, including Peter Neil Belhumeur and Thomas R. Berg. Their collaborations not only reflect a shared commitment to advancing technology but also highlight the significance of teamwork in driving innovation forward.
Conclusion
David J. Kriegman's contributions to the field of document enhancement technologies exemplify the impact inventors can have on improving everyday processes. With a strong portfolio of patents and collaborative efforts with prominent companies and colleagues, Kriegman continues to influence the landscape of digital document processing, paving the way for future innovations in this domain.