Inventor · Hilton, NY, US

Peter Rudak

14Patents
11h-index
18Co-inventors
69Inventor score

Filing activity: Jun 2, 1989 → Dec 3, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US4914709A Method for identifying unrecognizable characters in optical character recognition machines Physics 95 Expired
US5583659A Multi-windowing technique for thresholding an image using local image properties Physics 95 Expired
US4974260A Apparatus for identifying and correcting unrecognizable characters in optical character recognition machines Physics 61 Expired
US6282326A Artifact removal technique for skew corrected images Electricity 55 Expired
US6393150B1 Region-based image binarization system Physics 35 Expired
US7440123B2 Adaptive printing Performing Operations; Transporting 31 Active
US6317223A Image processing system for reducing vertically disposed patterns on images produced by scanning Electricity 28 Expired
US5014328A Automatic detection and selection of a drop-out color used in conjunction with optical character recognition of preprinted forms Physics 22 Expired
US5182778A Dot-matrix video enhancement for optical character recognition Physics 21 Expired
US5014329A Automatic detection and selection of a drop-out color using zone calibration in conjunction with optical character recognition of preprinted forms Physics 18 Expired
US7027666B2 Method for determining skew angle and location of a document in an over-scanned image Physics 16 Expired
US6323956A Adaptive quantization of grayscale images Physics 2 Expired
US12043509B2 System and method for determining stacking and sorting quality in machine apparatus that process media Performing Operations; Transporting 0 Active
US12028496B2 Multi-mode scanning camera system and method Physics 0 Active

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