Patents by Inventor Joonas Itäranta

Joonas Itäranta 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).

  • Compression of images for computer graphics
    Patent number: 7873212
    Abstract: A method for encoding an image having color components of each image pixel represented by a value of a high dynamic range, the method comprising: decomposing the image into a plurality of image blocks; separating, from the high dynamic range value of each pixel, color information and intensity information of the pixels in said image blocks; and compressing the color information of the pixels in said image blocks and the intensity information of the pixels in said image blocks independently of each other to provide compressed image data.
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: January 18, 2011
    Assignee: Nokia Corporation
    Inventors: Kimmo Roimela, Tomi Aarnio, Joonas Itäranta