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    • 7. 发明授权
    • Recognition apparatus, method, and computer program product
    • 识别装置,方法和计算机程序产品
    • US08965113B2
    • 2015-02-24
    • US13418890
    • 2012-03-13
    • Toshiaki NakasuHidetaka OhiraTsukasa IkeRyuzo Okada
    • Toshiaki NakasuHidetaka OhiraTsukasa IkeRyuzo Okada
    • G06F3/01G06F3/0485G06F3/0484
    • G06T7/2033G06F3/017G06F3/04842G06F3/0485G06K9/52G06T7/246G06T7/60G06T7/73
    • In an embodiment, a recognition apparatus includes an obtaining unit, a calculating unit, a principal axis selecting unit, a turning point setting unit, a section setting unit, and a determining unit. The obtaining unit obtains positions of a specific part in a coordinate system having a first axis to an n-th axis (n≧2). The calculating unit calculates a movement vector of the specific part. The principal axis selecting unit selects a principal axis. The turning point setting unit sets a position at which there is a change in the principal axis and sets a position at which there is a change. The section setting unit sets a determination target section, and sets a previous section. The determining unit calculates an evaluation value of the determination target section and an evaluation value of the immediately previous section and determines which of the first axis to the n-th axis is advantageous.
    • 在一个实施例中,识别装置包括获取单元,计算单元,主轴选择单元,转折点设置单元,区段设置单元和确定单元。 获取单元获得具有第一轴至第n轴(n≥2)的坐标系中的特定部分的位置。 计算单元计算特定部分的运动矢量。 主轴选择单元选择主轴。 转折点设定单元设定主轴发生变化的位置,并设定存在变化的位置。 区段设定单元设定判定对象区间,设定前一区间。 确定单元计算确定目标部分的评估值和紧接在前的部分的评估值,并且确定第n轴至第n轴中的哪一个是有利的。
    • 8. 发明申请
    • TRACKING DEVICE, TRACKING METHOD, AND COMPUTER PROGRAM PRODUCT
    • 跟踪设备,跟踪方法和计算机程序产品
    • US20130070105A1
    • 2013-03-21
    • US13537354
    • 2012-06-29
    • Tsukasa IkeRyuzo OkadaHidetaka Ohira
    • Tsukasa IkeRyuzo OkadaHidetaka Ohira
    • H04N5/225G06K9/00
    • G06K9/00355G06K9/3241G06T7/246G06T7/277G06T2207/10024G06T2207/30196
    • According to an embodiment, a tracking device includes an acquiring unit, a first calculator, a second calculator, and a setting unit. The acquiring unit images a tracking target object to time-sequentially acquire an image. The first calculator calculates a first likelihood representing a degree of coincidence between a pixel value of each pixel included in a search region within the image and a reference value. The second calculator calculates a difference value between the pixel value of each pixel in the search region and the pixel value of a corresponding pixel in an image in a past frame. The setting unit sets weights of the first likelihood and the difference value so that as a distance between each pixel in the search region and a position of the tracking target object in the past increases, the weight of the first likelihood decreases and the weight of the difference value increases.
    • 根据实施例,跟踪装置包括获取单元,第一计算器,第二计算器和设置单元。 拍摄单元对跟踪目标对象进行成像以对时间顺序地获取图像。 第一计算器计算表示包括在图像内的搜索区域中的每个像素的像素值与参考值之间的一致程度的第一似然度。 第二计算器计算搜索区域中的每个像素的像素值与过去帧中的图像中的相应像素的像素值之间的差值。 设置单元设置第一似然度和差值的权重,使得随着搜索区域中的每个像素与跟踪目标对象在过去的位置之间的距离增加,第一似然性的权重减小,并且 差值增加。