Patents by Inventor Vincent Tollu

Vincent Tollu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process and device for detecting faces in a colour image
    Patent number: 7551756
    Abstract: The invention relates to a device and a process for detecting faces in a colour image. The process is such that it comprises the steps of: detection of the flesh coloured pixels in the image, segmentation of the image into regions of homogeneous colour, selection, among the regions of homogeneous colour, of the regions comprising a number of flesh coloured pixels greater than a first predetermined threshold, the regions selected being said to be flesh coloured regions. merging of the neighbouring flesh coloured regions until the merge cost attains a second predetermined threshold, the merge cost linearly weighting a merge cost relating to the shape of the regions and a merge cost relating to the colour of the regions, exclusion of false positives.
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: June 23, 2009
    Assignee: Thomson Licensing
    Inventors: Bertrand Chupeau, Vincent Tollu, Jürgen Stauder, Lionel Oisel
  • Process and device for detecting faces in a colour image
    Publication number: 20050041868
    Abstract: The invention relates to a device and a process for detecting faces in a colour image. The process is such that it comprises the steps of: detection of the flesh coloured pixels in the image, segmentation of the image into regions of homogeneous colour, selection, among the regions of homogeneous colour, of the regions comprising a number of flesh coloured pixels greater than a first predetermined threshold, the regions selected being said to be flesh coloured regions. merging of the neighbouring flesh coloured regions until the merge cost attains a second predetermined threshold, the merge cost linearly weighting a merge cost relating to the shape of the regions and a merge cost relating to the colour of the regions, exclusion of false positives.
    Type: Application
    Filed: July 8, 2004
    Publication date: February 24, 2005
    Inventors: Bertrand Chupeau, Vincent Tollu, Jurgen Stauder, Lionel Oisel