发明名称 METHOD AND APPARATUS FOR DETECTING MOTION OF IMAGE IN OPTICAL NAVIGATOR
摘要 A system and method for determining a motion vector uses both a main block from an image and at least one ancillary block relating to the main block from the image. The main block and ancillary block are then tracked from image to image to provide a motion vector. The use of a composite tracking unit allows for more accurate correlation and identification of a motion vector.
申请公布号 US2007252814(A1) 申请公布日期 2007.11.01
申请号 US20060380796 申请日期 2006.04.28
申请人 LIN CHOYI;KUO MINGHUI 发明人 LIN CHOYI;KUO MINGHUI
分类号 G09G5/08;G06F3/033 主分类号 G09G5/08
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