Inventor · San Jose, CA, US

Gabriel Marcu

72Patents
10h-index
51Co-inventors
81Inventor score

Filing activity: Jun 15, 1998 → Jul 9, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7612804B1 Methods and apparatuses for image processing Physics 101 Active
US6954193B1 Method and apparatus for correcting pixel level intensity variation Physics 74 Expired
US7626614B1 Transfer function and high dynamic range images Electricity 55 Active
US6844881B1 Method and apparatus for improved color correction Physics 31 Expired
US7084881B1 Method and apparatus for improved color correction Physics 18 Expired
US7969478B1 Method and apparatus for color correction of color devices for various operating conditions Electricity 16 Active
US6160921A Error diffusion with homogeneous distribution in highlight and shadow regions Electricity 13 Expired
US9478157B2 Ambient light adaptive displays Physics 12 Active
US7835569B2 System and method for raw image processing using conversion matrix interpolated from predetermined camera characterization matrices Electricity 12 Active
US7773127B2 System and method for RAW image processing Electricity 10 Active
US7457003B1 Color management for limited gamut devices Physics 10 Active
US7893975B2 System and method for processing images using predetermined tone reproduction curves Electricity 9 Active
US10911748B1 Display calibration system Physics 7 Active
US7777760B2 Display color correcting system Physics 6 Active
US8773451B2 Color correction method and apparatus for displays Physics 4 Active
US6972772B1 White point correction without luminance degradation Physics 4 Expired
US7821474B2 Rendering luminance levels of a high dynamic range display Physics 4 Active
US7609413B1 Color management for limited gamut devices Physics 4 Expired
US8289344B2 Methods and apparatus for color uniformity Physics 4 Active
US8390644B2 Methods and apparatus for color uniformity Physics 4 Active
US9275607B2 Dynamic color adjustment for displays using local temperature measurements Physics 4 Active
US7688328B2 Luminance point correction without luminance degradation Physics 3 Active
US8203512B2 Subtractive display Physics 3 Active
US7586472B2 Subtractive display Physics 3 Active
US9947259B2 Ambient light adaptive displays Physics 3 Active

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