Patent 7733959 was granted and assigned to Institute for Information Industry on June, 2010 by the United States Patent and Trademark Office.
A video conversion method for frame rate reduction. Video data comprising at least one I-frame and a plurality of B- and P-frames is provided. The B- and P-frames are converted to P-frames using a first image processing method, thereby leaving the I-frame and a plurality of P-frames. A frame rate reduction operation is implemented based on the converted frames using a second image processing method.