Inventor · Brockport, NY, US

Andrew C. Gallagher

135Patents
29h-index
81Co-inventors
93Inventor score

Filing activity: Oct 28, 1996 → Aug 16, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5818975A Method and apparatus for area selective exposure adjustment Electricity 282 Expired
US6438264B1 Method for compensating image color when adjusting the contrast of a digital color image Electricity 222 Expired
US6594388B1 Color image reproduction of scenes with preferential color mapping and scene-dependent tone scaling Electricity 164 Expired
US7668405B2 Forming connections between image collections Physics 102 Active
US6400848B1 Method for modifying the perspective of a digital image Physics 100 Expired
US6476865B1 Sparsely sampled image sensing device with color and luminance photosites Electricity 100 Expired
US7092573B2 Method and system for selectively applying enhancement to an image Physics 94 Expired
US6856704B1 Method for enhancing a digital image based upon pixel color Physics 86 Expired
US7663671B2 Location based image classification with map segmentation Physics 82 Active
US6707950B1 Method for modification of non-image data in an image processing chain Physics 78 Expired
US6646246B1 Method and system of noise removal for a sparsely sampled extended dynamic range image sensing device Electricity 77 Expired
US6813046B1 Method and apparatus for exposure control for a sparsely sampled extended dynamic range image sensing device Electricity 68 Expired
US6317521A Method for preserving image detail when adjusting the contrast of a digital image Physics 62 Expired
US7893963B2 Digital camera which estimates and corrects small camera rotations Electricity 60 Active
US7327504B2 Method of detecting clipped image pixels Electricity 57 Expired
US7953690B2 Discovering social relationships from personal photo collections Physics 56 Active
US6778699B1 Method of determining vanishing point location from an image Physics 49 Expired
US7336819B2 Detection of sky in digital color images Physics 45 Expired
US7583858B2 Image processing based on direction of gravity Electricity 43 Active
US6728416B1 Adjusting the contrast of a digital image with an adaptive recursive filter Physics 39 Expired
US6968094B1 Method of estimating and correcting camera rotation with vanishing point location Electricity 38 Expired
US6804408B1 Method for enhancing a digital image with noise-dependent control of texture Electricity 38 Expired
US7683962B2 Camera using multiple lenses and image sensors in a rangefinder configuration to provide a range map Electricity 37 Active
US6937775B2 Method of enhancing the tone scale of a digital image to extend the linear response range without amplifying noise Physics 34 Expired
US7711145B2 Finding images with multiple people or objects Physics 31 Active

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