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    • 1. 发明授权
    • Method and apparatus for camera tracking
    • 相机跟踪方法和装置
    • US08873802B2
    • 2014-10-28
    • US13447661
    • 2012-04-16
    • Jiwon KimGuofeng ZhangDu Sik ParkHo Young LeeHaomin LiuHujun Bao
    • Jiwon KimGuofeng ZhangDu Sik ParkHo Young LeeHaomin LiuHujun Bao
    • G06K9/00
    • G06T7/246G06T7/55G06T2207/20088G06T2207/30241G06T2207/30244
    • A camera pose tracking apparatus may track a camera pose based on frames photographed using at least three cameras, may extract and track at least one first feature in multiple-frames, and may track a pose of each camera in each of the multiple-frames based on first features. When the first features are tracked in the multiple-frames, the camera pose tracking apparatus may track each camera pose in each of at least one single-frame based on at least one second feature of each of the at least one single-frame. Each of the at least one second feature may correspond to one of the at least one first feature, and each of the at least one single-frame may be a previous frame of an initial frame of which the number of tracked second features is less than a threshold, among frames consecutive to multiple-frames.
    • 照相机姿态跟踪装置可以基于使用至少三个照相机拍摄的帧来跟踪摄像机姿态,可以提取和跟踪多个帧中的至少一个第一特征,并且可以以多帧为基础跟踪每个摄像机的姿势 在第一个功能。 当在多帧中跟踪第一特征时,相机姿态跟踪装置可以基于至少一个单帧中的每一个的至少一个第二特征来跟踪至少一个单帧中的每一个中的每个相机姿态。 所述至少一个第二特征中的每一个可以对应于所述至少一个第一特征中的一个,并且所述至少一个单帧中的每一个可以是初始帧的先前帧,其中跟踪的第二特征的数量小于 在与多帧连续的帧之间的阈值。
    • 2. 发明申请
    • METHOD AND APPARATUS FOR CAMERA TRACKING
    • 摄像机跟踪的方法和装置
    • US20130182894A1
    • 2013-07-18
    • US13447661
    • 2012-04-16
    • Jiwon KIMGuofeng ZhangDu Sik ParkHo Young LeeHaomin LiuHujun Bao
    • Jiwon KIMGuofeng ZhangDu Sik ParkHo Young LeeHaomin LiuHujun Bao
    • G06K9/46
    • G06T7/246G06T7/55G06T2207/20088G06T2207/30241G06T2207/30244
    • A camera pose tracking apparatus may track a camera pose based on frames photographed using at least three cameras, may extract and track at least one first feature in multiple-frames, and may track a pose of each camera in each of the multiple-frames based on first features. When the first features are tracked in the multiple-frames, the camera pose tracking apparatus may track each camera pose in each of at least one single-frame based on at least one second feature of each of the at least one single-frame. Each of the at least one second feature may correspond to one of the at least one first feature, and each of the at least one single-frame may be a previous frame of an initial frame of which the number of tracked second features is less than a threshold, among frames consecutive to multiple-frames.
    • 照相机姿态跟踪装置可以基于使用至少三个照相机拍摄的帧来跟踪摄像机姿态,可以提取和跟踪多个帧中的至少一个第一特征,并且可以以多帧为基础跟踪每个摄像机的姿势 在第一个功能。 当在多帧中跟踪第一特征时,相机姿态跟踪装置可以基于至少一个单帧中的每一个的至少一个第二特征来跟踪至少一个单帧中的每一个中的每个相机姿态。 所述至少一个第二特征中的每一个可以对应于所述至少一个第一特征中的一个,并且所述至少一个单帧中的每一个可以是初始帧的先前帧,其中跟踪的第二特征的数量小于 在与多帧连续的帧之间的阈值。