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    • 7. 发明申请
    • TECHNIQUES FOR DETERMINING A CURRENT LOCATION OF A MOBILE DEVICE
    • 确定移动设备当前位置的技术
    • WO2017166089A1
    • 2017-10-05
    • PCT/CN2016/077802
    • 2016-03-30
    • INTEL CORPORATIONMA, LiweiWANG, KeSONG, JiqiangXU, Xianchao
    • MA, LiweiWANG, KeSONG, JiqiangXU, Xianchao
    • G01C21/26
    • G01C21/165G01S5/16G01S19/48G05D1/0246G05D1/0274G05D1/028G06N3/04G06N20/00G06T7/248G06T7/74
    • Various embodiments are directed to techniques for determining a current location of a mobile device. An apparatus includes a SLAM candidate component to identify a first candidate key frame matching a current captured frame by a first degree from an interval-based key frame set with key frames selected on a recurring interval from multiple earlier captured frames captured by mobile device camera of surroundings within a defined area, a CNN candidate component to identify a second candidate key frame matching the current captured frame by a second degree from a difference-based key frame set with key frames selected from the multiple earlier captured frames based on a degree of difference from all key frames already therein, and a position estimation component to determine a current location of the mobile device from estimates of differences between the current location and locations of the first and second candidate key frames.
    • 各种实施例针对用于确定移动设备的当前位置的技术。 一种装置包括:SLAM候选组件,用于从基于区间的关键帧集合中识别与当前捕获的帧匹配的当前捕获的帧的第一候选关键帧,所述基于间隔的关键帧集合具有在由移动设备相机捕获的多个先前捕获的帧的循环间隔上选择的关键帧 CNN候选组件,所述CNN候选组件基于差异程度从与基于差异的关键帧集合中识别出与当前捕获的帧匹配第二等级的第二候选关键帧,所述基于差异的关键帧集合具有从多个先前捕获的帧中选择的关键帧 来自其中已经存在的所有关键帧的位置估计组件以及位置估计组件,以根据第一和第二候选关键帧的当前位置和位置之间的差的估计来确定移动设备的当前位置。