Company Filing History:
Years Active: 2020-2025
Title: Innovations of Inventor Li Sun
Introduction
Li Sun is an accomplished inventor based in Sudbury, MA (US). She has made significant contributions to the field of vision systems and calibration techniques. With a total of 3 patents, her work has advanced the capabilities of robotic systems and precision measurement.
Latest Patents
One of her latest patents is titled "System and method for three-dimensional calibration of a vision system." This invention provides a system and method for calibration of a 3D vision system using a multi-layer 3D calibration target that removes the requirement of accurate pre-calibration of the target. The system acquires images of the multi-layer 3D calibration target at different spatial locations and times, computing the orientation difference of the target between acquisitions. This technique can be applied for vision-based single-plane orientation repeatability inspection and monitoring. By integrating this method with a moving robot end effector, it enables vision-guided adjustment of two planes to achieve parallelism.
Another notable patent is "System and method for 3D profile determination using model-based peak selection." This invention offers a system and method for selecting the correct profile from a range of peaks generated by analyzing a surface with multiple exposure levels. A displacement sensor projects a line of illumination on the surface and receives reflected light at a sensor assembly. The processor varies the exposure level in discrete increments, storing images of the reflected light for each increment. The determination process aligns the combined images with respect to a model image, selecting points based on their closeness to provide an accurate candidate profile of the surface.
Career Highlights
Li Sun is currently employed at Cognex Corporation, where she continues to innovate in the field of vision systems. Her work has been instrumental in enhancing the precision and efficiency of robotic applications.
Collaborations
Some of her notable coworkers include David Y Li and Lowell D Jacobson, who have collaborated with her on various projects within the company.
Conclusion
Li Sun's contributions to the field of vision systems and calibration techniques have made a significant impact on robotic applications. Her innovative patents reflect her dedication to advancing technology and improving precision in various industries.