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    • 42. 发明授权
    • Shape comparison apparatus on contour decomposition and correspondence
    • 轮廓分解和对应的形状比较装置
    • US08031948B2
    • 2011-10-04
    • US11784734
    • 2007-04-09
    • Rujie LiuTakayuki BabaSusumu EndoShuchi ShiitaniYusuke UeharaDaiki Masumoto
    • Rujie LiuTakayuki BabaSusumu EndoShuchi ShiitaniYusuke UeharaDaiki Masumoto
    • G06K9/46
    • G06K9/481
    • The present invention discloses a shape comparison apparatus and method based on contour decomposition and correspondence. The apparatus comprises a polygonal approximation unit for approximating an image object contour as a polygon, namely representing the image object contour into an ordered contour primitive sequence; an attribute generation unit for calculating attribute value for contour primitive and contour primitive composition; and a comparison unit for establishing correspondence of polygons and hence calculating similarity between contours. Preferably, the apparatus further comprises an image object contour extraction unit for extracting, in the case the input into the apparatus is an image object rather than an image object contour, an image object contour of an image object inputted into the apparatus.
    • 本发明公开了一种基于轮廓分解和对应关系的形状比较装置和方法。 该装置包括用于将图像对象轮廓近似为多边形的多边形近似单元,即将图像对象轮廓表示为有序轮廓图元序列; 用于计算轮廓原语和轮廓图元组合的属性值的属性生成单元; 以及用于建立多边形的对应关系并因此计算轮廓之间的相似性的比较单元。 优选地,该装置还包括图像对象轮廓提取单元,用于在输入到装置中的图像对象而不是图像对象轮廓的情况下提取输入到装置中的图像对象的图像对象轮廓。
    • 43. 发明授权
    • Image retrieval apparatus
    • 图像检索装置
    • US08433137B2
    • 2013-04-30
    • US12149015
    • 2008-04-24
    • Rujie LiuTakayuki BabaSusumu EndoShuchi ShiitaniYusuke UeharaDaiki MasumotoShigemi Nagata
    • Rujie LiuTakayuki BabaSusumu EndoShuchi ShiitaniYusuke UeharaDaiki MasumotoShigemi Nagata
    • G06K9/00
    • G06F17/30247
    • This invention discloses an image retrieval apparatus. The image retrieval apparatus comprises an unlabelled image selector for selecting one or more unlabelled image(s) from an image database; and a main learner for training in each feedback round of the image retrieval, estimating relevance of images in the image database and a user's intention, and determining retrieval results, wherein the main learner makes use of the unlabelled image(s) selected by the unlabelled image selector in the estimation. In addition, the image retrieval apparatus may also include an active selector for selecting, in each feedback round and according to estimation results of the main learner, one or more unlabelled image(s) from the image database for the user to label.
    • 本发明公开了一种图像检索装置。 图像检索装置包括用于从图像数据库中选择一个或多个未标记图像的未标记图像选择器; 以及用于在图像检索的每个反馈回合中的训练的主要学习者,估计图像数据库中的图像的相关性和用户的意图,以及确定检索结果,其中主学习者利用未标记的未标记的图像 图像选择器在估计。 此外,图像检索装置还可以包括主动选择器,用于在每个反馈回合中并且根据主要学习者的估计结果,从图像数据库中选择一个或多个未标记的图像以供用户标记。
    • 48. 发明授权
    • Method and apparatus for camera motion analysis in video
    • 视频中相机运动分析的方法和装置
    • US08867892B2
    • 2014-10-21
    • US13355990
    • 2012-01-23
    • Fei LiRujie LiuHao YuTakayuki BabaYusuke Uehara
    • Fei LiRujie LiuHao YuTakayuki BabaYusuke Uehara
    • H04N5/228H04N5/14H04N9/80G06T7/20G06K9/00
    • G06T7/20G06K9/00758
    • Embodiments disclose methods and apparatuses for camera motion analysis in a video, wherein one of the methods includes: analyzing, video segments with significant movement characteristics and video segments without any significant movement characteristic; for each segment without any significant movement characteristic, if a first motion type corresponding to a preceding neighboring video segment is different from a second motion type corresponding to a succeeding neighboring video segment, lowering detection criterions of the first type and the second type; judging whether the segment without any significant movement characteristic meets the lowered detection criterions; and merging the segment without any significant movement characteristic with a neighboring video segment according to the result of judgment. With the embodiments of the invention the motion type of a camera in the video can be detected more effectively and accurately, and the photographic intention of a user can be reflected more accurately.
    • 实施例公开了一种视频中的相机运动分析的方法和装置,其中的方法之一包括:分析具有显着运动特征和视频片段的视频片段,而没有任何显着的运动特征; 对于每个段而没有任何显着的移动特性,如果对应于前一相邻视频段的第一运动类型与对应于后续相邻视频段的第二运动类型不同,则降低第一类型和第二类型的检测准则; 判断没有任何显着运动特性的段是否符合降低的检测标准; 并且根据判断结果与相邻视频段合并该片段而没有任何显着的移动特征。 利用本发明的实施例,可以更有效和准确地检测视频中的相机的运动类型,并且可以更准确地反映用户的拍摄意图。
    • 49. 发明申请
    • METHOD AND APPARATUS FOR CAMERA MOTION ANALYSIS IN VIDEO
    • 视频中摄像机运动分析的方法与装置
    • US20120249812A1
    • 2012-10-04
    • US13355990
    • 2012-01-23
    • Fei LIRujie LiuHao YuTakayuki BabaYusuke Uehara
    • Fei LIRujie LiuHao YuTakayuki BabaYusuke Uehara
    • H04N5/228
    • G06T7/20G06K9/00758
    • Embodiments disclose methods and apparatuses for camera motion analysis in a video, wherein one of the methods includes: analyzing, video segments with significant movement characteristics and video segments without any significant movement characteristic; for each segment without any significant movement characteristic, if a first motion type corresponding to a preceding neighboring video segment is different from a second motion type corresponding to a succeeding neighboring video segment, lowering detection criterions of the first type and the second type; judging whether the segment without any significant movement characteristic meets the lowered detection criterions; and merging the segment without any significant movement characteristic with a neighboring video segment according to the result of judgment. With the embodiments of the invention the motion type of a camera in the video can be detected more effectively and accurately, and the photographic intention of a user can be reflected more accurately.
    • 实施例公开了一种视频中的相机运动分析的方法和装置,其中的方法之一包括:分析具有显着运动特征和视频片段的视频片段,而没有任何显着的运动特征; 对于每个段而没有任何显着的移动特性,如果对应于前一相邻视频段的第一运动类型与对应于后续相邻视频段的第二运动类型不同,则降低第一类型和第二类型的检测准则; 判断没有任何显着运动特性的段是否符合降低的检测标准; 并且根据判断结果与相邻视频段合并该片段而没有任何显着的移动特征。 利用本发明的实施例,可以更有效和准确地检测视频中的相机的运动类型,并且可以更准确地反映用户的拍摄意图。