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    • 91. 发明申请
    • Circuit and method for recovering clock data in highly integrated semiconductor memory apparatus
    • 用于在高度集成的半导体存储装置中恢复时钟数据的电路和方法
    • US20090115485A1
    • 2009-05-07
    • US12157287
    • 2008-06-09
    • Kyung-Hoon KimSang-Yeon ByeonChang-Kyu Choi
    • Kyung-Hoon KimSang-Yeon ByeonChang-Kyu Choi
    • H03H11/26
    • H03H11/26
    • Circuit and method for recovering clock data in highly integrated semiconductor memory apparatus includes a plurality of signal receiving units configured to receive signals through a plurality of input/output pads and transfer the signals according to a receiving reference clock, the signal receiving units being divided into groups, a plurality of phase detection units configured to detect phases of signals output from the groups of the signal receiving units, a plurality of phase detection control units configured to control the phase detection units so that the phase detection units sequentially detect the phases of the signals output from each of the groups of the signal receiving units and a notification unit configured to output signals output from the phase detection units.
    • 用于恢复高度集成的半导体存储装置中的时钟数据的电路和方法包括:多个信号接收单元,被配置为通过多个输入/输出焊盘接收信号,并根据接收的参考时钟传送信号,信号接收单元被分成 多个相位检测单元,被配置为检测从信号接收单元的组输出的信号的相位;多个相位检测控制单元,被配置为控制相位检测单元,使得相位检测单元顺序地检测相位检测单元的相位; 从信号接收单元的每个组输出的信号和被配置为输出从相位检测单元输出的信号的通知单元。
    • 95. 发明授权
    • Method and apparatus for blind source separation using two sensors
    • 使用两个传感器进行盲源分离的方法和装置
    • US07295972B2
    • 2007-11-13
    • US10813671
    • 2004-03-31
    • Chang-kyu Choi
    • Chang-kyu Choi
    • G10L19/00
    • G10L25/48G06K9/6245G10L21/0208G10L2021/02165
    • A method and apparatus to separate first and second mixture signals received from two sensors and transformed into the frequency domain in two or more source signals. The signal separation method includes: calculating a global signal absence probability for each frame and a local signal absence probability for each frequency band of a corresponding frame for at least one of the first and second mixture signals; estimating a spectrum vector for each frequency band in which a noise signal is eliminated using the global signal absence probability; determining a plurality of frequency bands including at least one of a noise signal and a source signal using the local signal absence probability, and generating a source label vector which consists of a plurality of frequency bands assigned to each source, using an attenuation parameter and a delay parameter generated for each of the determined frequency bands; and multiplying the spectrum vector estimated for each frequency band by the source label vector, and obtaining signals separated according to the source signals.
    • 一种分离从两个传感器接收并在两个或更多个源信号中变换成频域的第一和第二混合信号的方法和装置。 信号分离方法包括:针对第一和第二混合信号中的至少一个,计算每帧的全局信号缺失概率和对应帧的每个频带的本地信号缺失概率; 使用全局信号不存在概率来估计其中消除噪声信号的每个频带的频谱矢量; 使用所述本地信号不存在概率来确定包括噪声信号和源信号中的至少一个的多个频带,并且使用衰减参数生成由分配给每个源的多个频带组成的源标签向量 为每个确定的频带产生的延迟参数; 并将每个频带估计的频谱矢量乘以源标号向量,并获得根据源信号分离的信号。
    • 98. 发明申请
    • Method and apparatus for discriminating between voice and non-voice using sound model
    • 使用声音模型区分语音和非声音的方法和装置
    • US20060155537A1
    • 2006-07-13
    • US11330343
    • 2006-01-12
    • Ki-young ParkChang-kyu Choi
    • Ki-young ParkChang-kyu Choi
    • G10L15/06
    • G10L25/78
    • A method and an apparatus are provided for discriminating between a voice region and a non-voice region in an environment in which diverse types of noises and voices exist. The voice discrimination apparatus includes a domain transform unit for transforming an input sound signal frame into a frame in the frequency domain, a model training/update unit for setting a voice model and a plurality of noise models in the frequency domain and initializing or updating the models, a speech absence probability (SAP) computation unit for obtaining a SAP computation equation for each noise source by using the initialized or updated voice model and noise models and substituting the transformed frame into the equation to compute an SAP for each noise source, a noise source selection unit for selecting the noise source by comparing the SAPs computed for the respective noise sources, and a voice judgment unit for judging whether the input frame corresponds to the voice region in accordance with the SAP level of the selected noise source.
    • 提供了一种在存在各种噪声和声音的环境中区分语音区域和非语音区域的方法和装置。 语音识别装置包括:域变换单元,用于将输入声音信号帧变换为频域中的帧;模型训练/更新单元,用于设置频域中的语音模型和多个噪声模型,并初始化或更新 模型,语音缺失概率(SAP)计算单元,用于通过使用初始化或更新的语音模型和噪声模型来获得每个噪声源的SAP计算方程,并将变换的帧代入方程式以计算每个噪声源的SAP, 噪声源选择单元,用于通过比较针对各个噪声源计算的SAP来选择噪声源;以及语音判断单元,用于根据所选择的噪声源的SAP级别判断输入帧是否对应于语音区域。
    • 100. 发明授权
    • Method and apparatus for estimating three-dimensional position and orientation through sensor fusion
    • 通过传感器融合估算三维位置和方向的方法和装置
    • US09208565B2
    • 2015-12-08
    • US13408654
    • 2012-02-29
    • Hyong Euk LeeSang Hyun KimChang Kyu Choi
    • Hyong Euk LeeSang Hyun KimChang Kyu Choi
    • G06K9/00G06T7/00
    • G06T7/0042G06T7/73G06T2207/10028G06T2207/30204
    • An apparatus and method of estimating a three-dimensional (3D) position and orientation based on a sensor fusion process. The method of estimating the 3D position and orientation may include determining a position of a marker in a two-dimensional (2D) image, determining a depth of a position in a depth image corresponding to the position of the marker in the 2D image to be a depth of the marker, estimating a 3D position of the marker calculated based on the depth of the marker as a marker-based position of a remote apparatus, estimating an inertia-based position and an inertia-based orientation by receiving inertial information associated with the remote apparatus, estimating a fused position based on a weighted sum of the marker-based position and the inertia-based position, and outputting the fused position and the inertia-based orientation.
    • 基于传感器融合过程估计三维(3D)位置和取向的装置和方法。 估计3D位置和取向的方法可以包括确定二维(2D)图像中的标记的位置,确定与2D图像中的标记的位置相对应的深度图像中的位置的深度为 标记的深度,基于标记的深度计算的标记的3D位置,作为远程​​设备的基于标记的位置,通过接收与...相关联的惯性信息来估计基于惯量的位置和基于惯量的取向 远程装置,基于基于标记的位置和基于惯量的位置的加权和来估计融合位置,并输出所述融合位置和基于惯量的取向。