Location History:
- Chicago, IL (US) (1987)
- Saline, MI (US) (2012 - 2013)
Company Filing History:
1 out of 7 
2 out of 832,812 Years Active: 1987-2013
Title: Douglas G Davidson: Innovator in Image Technology
Introduction
Douglas G Davidson, an accomplished inventor based in Chicago, IL, has made significant contributions to the fields of image processing and machine vision. With a total of three patents to his name, Davidson's innovations are paving the way for advancements in image correlation and semiconductor inspection.
Latest Patents
One of Davidson's latest patents is a "Method for fixed-rotation and rotation-independent image correlation." This innovative method defines a circlet, which serves as a compact angle representation that indicates the direction of change in pixel intensity within a given image. The process involves acquiring a first image of the feature of interest and generating a learned circlet image, followed by acquiring a second image and correlating the two images for analysis.
In addition, Davidson has developed a "Machine vision system for three-dimensional metrology and inspection in the semiconductor industry." This sophisticated system includes various subsystems, such as a structural subsystem for stability and vibration isolation, a camera subsystem for capturing images of moving objects, and a lighting subsystem for optimal illumination. It was specifically designed for inspecting electronic components in a manufacturing environment, showcasing versatility that allows it to be used for a range of objects.
Career Highlights
Throughout his career, Douglas G Davidson has been affiliated with various companies, notably Coherix, Inc., where he focused on high-tech imaging systems. His work has significantly impacted how images are captured and analyzed in industrial settings, enhancing the efficiency and accuracy of inspection processes.
Collaborations
Davidson has worked alongside notable colleagues, including John D O'Brien and Stephen M Baker, which highlights his role within a skilled team dedicated to pushing the boundaries of technology and image processing innovations.
Conclusion
Douglas G Davidson's innovative spirit and dedication to advancing image technology through his patents have positioned him as a notable figure in the field. With ongoing developments in image correlation and machine vision systems, Davidson continues to play a crucial role in shaping future technologies in both the semiconductor industry and beyond.