专利名称：IMAGE PROCESSING DEVICE USING
DIFFERENCE CAMERA
发明人：Moon Key Lee申请号：US14437256申请日：20131019
公开号：US20150294478A1公开日：20151015
专利附图：
摘要：A fast and stable image processing system detecting a mark from a differentialimage is described. The system includes a display displaying a first image and a secondimage alternately. A camera captures the first image that contains a mark and the second
image. An image processing device detects the mark from a non-zero pixel region of adifference image between the first image that is captured and the second image that iscaptured.
申请人：Moon Key LEE
地址：Seoul KR
国籍：KR
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