Inventor · Reading, GB

Stephen Mark Keating

61Patents
13h-index
27Co-inventors
84Inventor score

Filing activity: Feb 20, 1990 → Aug 30, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5206919A Image signal processing with digital filtering to minimize aliasing caused by image manipulation Electricity 119 Expired
US5162907A Motion dependent video signal processing Electricity 80 Expired
US5303045A Standards conversion of digital video signals Electricity 39 Expired
US5404170A Time base converter which automatically adapts to varying video input rates Electricity 38 Expired
US5446497A Method and apparatus for processing an input 60 field/second video signal generated by 3232 pulldown to produce an output video signal Emerging Cross-Sectional Technologies 34 Expired
US5392071A Apparatus and method for processing image data Electricity 32 Expired
US7085396B2 Embedding data in material Physics 28 Expired
US5347312A Motion compensated video signal processing Electricity 24 Expired
US5600377A Apparatus and method for motion compensating video signals to produce interpolated video signals Electricity 23 Expired
US5828415A Apparatus for controlling video down-conversion Electricity 19 Expired
US5363146A Motion compensated image processing Electricity 19 Expired
US5198902A Apparatus and method for processing a video signal containing single frame animation material Electricity 15 Expired
US5208875A Digital picture signal processing apparatus Electricity 15 Expired
US5867225A Multiple mode controlling signal processing apparatus Electricity 12 Expired
US7110566B2 Modifying material Physics 11 Expired
US6072538A Digital image enhancement Electricity 11 Expired
US5125048A Obtaining access to a two-dimensional portion of a digital picture signal Electricity 9 Expired
US5355169A Method for processing a digital video signal having portions acquired with different acquisition characteristics Electricity 8 Expired
US7783897B2 Programmable logic device Electricity 4 Active
US8509521B2 Method and apparatus and computer program for generating a 3 dimensional image from a 2 dimensional image Electricity 4 Active
US7127079B2 Image processing apparatus Electricity 4 Expired
US5822009A Video down-conversion Electricity 3 Expired
US7636847B2 Material distribution apparatus Electricity 3 Expired
US7068810B2 Methods and apparatus for embedding data and for detecting and recovering embedded data Electricity 3 Expired
US7171017B2 Apparatus for embedding data into transform and spatial domains of an image Physics 2 Expired

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