Motion-adaptive de-interlacing method and system for digital televisions
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United States of America Patent
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Jan 25, 2005
Grant Date -
Mar 20, 2003
app pub date -
Sep 14, 2001
filing date -
Sep 14, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
One embodiment of the present invention provides a method and system for transforming a video bitstream in an interlaced format into a progressive format which can be displayed by a digital television. For example, the present embodiment utilizes the pixel information of a current field, previous field, and future field of the interlaced video bitstream to try to determine what the original content is of the missing lines of the current field. Specifically, the present embodiment utilizes different sets of pixel information in order to estimate the amount of motion that exist within a video bitstream. In this manner, the present embodiment is able to more closely determine the original value of the missing pixels of each field of the interlaced video bitstream. Therefore, the present embodiment provides a de-interlacing function enabling digital televisions to receive interlaced video bitstreams and display them in the progressive format.
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