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    • 5. 发明授权
    • Signal separation reproduction device and signal separation reproduction method
    • 信号分离再现装置和信号分离再现方法
    • US08345884B2
    • 2013-01-01
    • US12518727
    • 2007-12-07
    • Toshiyuki Nomura
    • Toshiyuki Nomura
    • H04R5/00
    • H04S3/02G10L19/008H04S3/008H04S2400/11
    • A first matrix (W(k)) indicating frequency characteristics of a separation filter is calculated from input signals of a plurality of channels. A second matrix (Ws(k)) is calculated by using the restriction coefficients (Ci(k)) for restricting the separation filter and the first matrix, and separation filter coefficients (wsij(s)) are calculated by using the second matrix. With use of the separation filter coefficients, separation signals (ysi(t)) are then calculated from the input signals. A third matrix (Ws−1(k)) is then calculated by transforming the second matrix into an inverse matrix at each frequency, and reproduction filter coefficients (a′I1(s), a′I2(s)) are calculated by using the third matrix. With use of the reproduction filter coefficients, the synthesized signal of each channel is calculated by using the separation signals. The restriction coefficients are calculated so that the reproduction filter coefficients indicate filter coefficients which perform a sound source localization on the separation signals.
    • 从多个通道的输入信号计算表示分离滤波器的频率特性的第一矩阵(W(k))。 通过使用用于限制分离滤波器和第一矩阵的限制系数(Ci(k))来计算第二矩阵(W s(k)),并且通过使用第二矩阵来计算分离滤波器系数(wsij(s))。 使用分离滤波器系数,然后根据输入信号计算分离信号(ysi(t))。 然后通过将第二矩阵变换为每个频率的逆矩阵来计算第三矩阵(Ws-1(k)),并且通过使用再现滤波器系数(a'I1(s),a'I2(s) 第三个矩阵。 利用再现滤波器系数,通过使用分离信号来计算各信道的合成信号。 计算限制系数,使得再现滤波器系数表示对分离信号执行声源定位的滤波器系数。
    • 10. 发明申请
    • Video Processing System, Video Processing Method, Video Processing Device for Mobile Terminal or Server and Control Method and Control Program Thereof
    • 视频处理系统,视频处理方法,移动终端或服务器的视频处理设备及其控制方法和控制程序
    • US20140376815A1
    • 2014-12-25
    • US14362561
    • 2012-12-04
    • Toshiyuki NomuraAkio YamadaKota IwamotoRyota Mase
    • Toshiyuki NomuraAkio YamadaKota IwamotoRyota Mase
    • G06K9/00G06K9/62
    • G06K9/00744G06F17/30784G06K9/4604G06K9/6232
    • The present invention is to notify a recognition result with respect to a recognition object in a video in real time while maintaining recognition accuracy. A recognition object and m-number of first local characteristic quantities which are respectively 1-dimensional to i-dimensional characteristic vectors are stored in association with each other, and n-number of second local characteristic quantities which are respectively 1-dimensional to j-dimensional characteristic vectors are generated for n-number of local areas respectively including n-number of characteristic points from an image in a video. In addition, a smaller dimension is selected from the dimension i and the dimension j, a recognition that the recognition object exists in an image in the video is made when it is determined that a prescribed proportion or more of the m-number of first local characteristic quantities which are characteristic vectors up to the selected number of dimensions correspond to the n-number of second local characteristic quantities which are characteristic vectors up to the selected number of dimensions, and information representing the recognition object is displayed in superposition on an image in which the recognition object exists in the video.
    • 本发明是在保持识别准确性的同时实时地通知视频中的识别对象的识别结果。 相互关联地存储分别为1维到i维特征向量的识别对象和m个第一局部特征量,并且分别分别为1维到j维的n个第二局部特征量, 对于n个局部区域分别包括来自视频中的图像的n个特征点生成三维特征向量。 另外,从尺寸i和尺寸j选择较小的尺寸,当确定在视频中的图像中存在识别对象的确认是在确定第m个第一局部的规定比例或更多 作为选定维数的特征向量的特征量对应于作为选定维数的特征向量的n个第二局部特征量,表示识别对象的信息被叠加显示在图像上 识别对象存在于视频中。