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    • 2. 发明授权
    • Photographic subject tracking device and camera
    • 摄影主体跟踪设备和相机
    • US09563967B2
    • 2017-02-07
    • US14413282
    • 2013-07-17
    • NIKON CORPORATION
    • Hiroshi Kintou
    • G06K9/62G06T7/20G06T3/40G06T7/00
    • G06T7/248G06K9/32G06K9/6202G06K9/6215G06T3/40G06T2207/10004G06T2207/20012G06T2207/20081G06T2207/30196
    • A photographic subject tracking device includes: a first degree-of-similarity calculation unit that calculates degree of similarity between a template image for tracking and an image in search area; a photographic subject position identification unit that identifies a tracked photographic subject position in the input image based on calculated degree of similarity; a second degree-of-similarity calculation unit that calculates a degree of similarity between each of multiple template images for resizing determination, which are generated based on template image for tracking, and image in search area; a matching position identification unit that identifies matching positions of the multiple template images for resizing determination, respectively, in the input image based on calculated degrees of similarity; and a size changing unit that changes an image size of template image for tracking and template images for resizing determination based on a density of the plurality of matching positions identified.
    • 摄影对象跟踪装置包括:第一相似度计算单元,其计算用于跟踪的模板图像与搜索区域中的图像之间的相似度; 摄影对象位置识别单元,基于计算出的相似度来识别输入图像中的跟踪拍摄对象位置; 第二度相似度计算单元,其计算基于用于跟踪的模板图像生成的用于调整大小确定的多个模板图像中的每一个之间的相似度,以及搜索区域中的图像; 匹配位置识别单元,基于计算出的相似度,分别在输入图像中识别用于调整大小确定的多个模板图像的匹配位置; 以及尺寸改变单元,其基于所识别的多个匹配位置的密度来改变用于跟踪的模板图像的图像尺寸和用于调整大小确定的模板图像。