Patent ID: 6476873
Filing Date: 2002-11-05
Classification: H04N

Abstract:
A digital enhancement method for enhancing a subsection of video, the method comprising:receiving video by a receiver from a sender, the video including information for displaying a video image; selecting the subsection of the video for digital enhancement, the selecting the subsection of the video for enhancement including partitioning the video image into the selected subsection and remainder unselected subsection; digitally enhancing the selected subsection by the sender to provide the video including a digitally enhanced subsection; and receiving the video including the digitally enhanced subsection by the receiver from the sender; wherein the video has a first video information density measurable by bits per area, the first video information density describing an amount of video information used to represent an area of the video, the selected and unselected subsection of the video having the first video information density prior to the digitally enhancing the selected subsection by the sender; and the digitally enhancing the selected subsection includes generating the video including the selected subsection having a second video information density and unselected subsection having a third video information density, the second video information density being greater than the third video information density to provide greater detail in the selected subsection of the video image.