Inventor · Los Gatos, CA, US

Chang Yuan

40Patents
11h-index
54Co-inventors
74Inventor score

Filing activity: Jun 27, 2006 → Dec 12, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US10268983B2 Detecting item interaction and movement Physics 128 Active
US9424461B1 Object recognition for three-dimensional bodies Physics 98 Active
US8073196B2 Detection and tracking of moving objects from a moving platform in presence of strong parallax Physics 49 Active
US9160993B1 Using projection for visual recognition Electricity 41 Active
US9912847B1 Image capture guidance to reduce specular reflection effects Electricity 24 Active
US9007490B1 Approaches for creating high quality images Physics 23 Active
US9177224B1 Object recognition and tracking Physics 17 Active
US8965117B1 Image pre-processing for reducing consumption of resources Physics 16 Active
US9058536B1 Image-based character recognition Physics 16 Active
US7884464B2 3D electronic packaging structure having a conductive support substrate Electricity 12 Active
US9053391B2 Supervised and semi-supervised online boosting algorithm in machine learning framework Physics 11 Active
US9305226B1 Semantic boosting rules for improving text recognition Physics 9 Active
US8780097B2 Newton ring mura detection system Physics 8 Active
US8284235B2 Reduction of viewer discomfort for stereoscopic images Electricity 8 Active
US8774510B2 Template matching with histogram of gradient orientations Physics 8 Active
US9298980B1 Image preprocessing for character recognition Physics 7 Active
US8483489B2 Edge based template matching Physics 6 Active
US9843689B1 Self stabilizing projector Electricity 6 Active
US8422783B2 Methods and systems for region-based up-scaling Physics 4 Active
US8995747B2 Methods, systems and apparatus for defect detection and classification Physics 4 Active
US9092842B2 System for defect detection and repair Physics 3 Active
US8368696B2 Temporal parallax induced display Electricity 3 Active
US8331650B2 Methods, systems and apparatus for defect detection Physics 3 Active
US10496163B2 Eye and head tracking Physics 3 Active
US8705839B2 Electronic devices for defect detection Physics 2 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.