Inventor · South Salem, NY, US

Johan Janssen

19Patents
9h-index
26Co-inventors
72Inventor score

Filing activity: Jun 14, 2000 → Jun 30, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6600495B1 Image interpolation and decimation using a continuously variable delay filter and combined with a polyphase filter Physics 107 Expired
US6832000B2 Automatic segmentation-based grass detection for real-time video Physics 55 Expired
US6674484B1 Video sample rate conversion to achieve 3-D effects Electricity 50 Expired
US6873657B2 Method of and system for improving temporal consistency in sharpness enhancement for a video signal Electricity 28 Expired
US6600517B1 System and method for improving the sharpness of a video image Physics 24 Expired
US6903782B2 System and method for performing segmentation-based enhancements of a video image Physics 16 Expired
US6600518B1 Adaptive clipping prevention for picture sharpness enhancement Electricity 10 Expired
US6862368B1 Method and apparatus for edge detection Physics 10 Expired
US6657677B1 Method and apparatus for improving conversion from SD to HDTV Physics 10 Expired
US7116712B2 Apparatus and method for parallel multimedia processing Electricity 7 Expired
US6950561B2 Method and system for sharpness enhancement for coded video Electricity 6 Expired
US7161633B2 Apparatus and method for providing a usefulness metric based on coding information for video enhancement Electricity 1 Expired
US8908100B2 Arrangement and approach for motion-based image data processing Physics 0 Active
US12412092B2 Evaluating input data using a deep learning algorithm Physics 0 Active
US12016100B1 Content system with lighting device calibration feature Electricity 0 Active
US8804044B2 Temporal fallback for high frame rate picture rate conversion Physics 0 Active
US11842268B2 Evaluating input data using a deep learning algorithm Physics 0 Active
US8239631B2 System and method for replacing data in a cache Physics 0 Active
US8531610B2 Arrangement and approach for image data processing Physics 0 Active

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