This inventor holds 2 USPTO granted patents. Top assignees: Picture Elements Incorporated, Other. Active years: 2003-2004.
Company Filing History:
1 out of 1 
1 out of 834,411 Years Active: 2003-2004
Title: The Innovations of Frederick Crowhurst
Introduction
Frederick Crowhurst is an accomplished inventor based in Oakland, CA. He has made significant contributions to the field of digital image processing, holding a total of 2 patents. His work focuses on optimizing the quality of digital images, particularly in contexts where clarity and readability are paramount.
Latest Patents
Crowhurst's latest patents include a method for automatic bitonal image optimization. This innovative technique processes digital images of documents to produce bitonal copies that are tailored for specific purposes. It is particularly useful for documents like bank checks and commercial forms, where printed or handwritten text may be obscured by backgrounds. The method allows for the creation of clean digital copies optimized for optical character recognition, as well as archival copies that retain meaningful background details.
Another notable patent is his method for document image processing with stroke preservation and background suppression. This approach enhances the readability of digitally captured documents that contain both printed and handwritten text overlaid on graphic backgrounds. By identifying and manipulating the edges within the pixel array, Crowhurst's method effectively merges stroke edges while eliminating non-stroke edges. This results in a clearer representation of the textual material, improving overall document readability.
Career Highlights
Throughout his career, Crowhurst has worked with various companies, including Picture Elements Incorporated. His expertise in digital image processing has positioned him as a valuable contributor to advancements in this field.
Collaborations
Some of his notable coworkers include D Michael Ott and Stephen D Williams. Their collaborative efforts have likely contributed to the innovative solutions developed during Crowhurst's career.
Conclusion
Frederick Crowhurst's contributions to digital image processing through his patents demonstrate his commitment to enhancing the clarity and usability of document images. His innovative methods continue to impact the way we process and interpret digital documents.