发明名称 Method and apparatus for displaying road map in form of bird's eye view
摘要 In method and apparatus for displaying a road map mesh in a form of a bird's eye view on a display screen of a display unit, a virtual viewpoint at an upper sky behind a predetermined point of display reference (such as a present position of a mobile body, e.g., a vehicle) by a predetermined spatial distance is set, a part of the plan view formed road map mesh Z which is ahead of the predetermined display reference point is looked down along a line of sight along a predetermined looking down angle, the display screen Y is set on a plane vertical to the line of sight, the road map data on the plan view formed road map mesh corresponding to respective pixles on the display screen Y are extracted, and the bird's eye view on the display region X for the bird's eye view on the plan view formed road map mesh Z on the display screen Y on the basis of the extracted road map data.
申请公布号 US6388664(B2) 申请公布日期 2002.05.14
申请号 US19970800331 申请日期 1997.02.14
申请人 NISSAN MOTOR CO., LTD. 发明人 SONE GAKU
分类号 G09B29/00;G06T11/60;G06T15/20;(IPC1-7):G06T17/00 主分类号 G09B29/00
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