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43 条记录 (耗时 0.036 秒)

    System and method for estimating speaker's location in non-stationary noise environment
    22.
    发明授权
    System and method for estimating speaker's location in non-stationary noise environment 有权
    在非平稳噪声环境下估计扬声器位置的系统和方法

    公开(公告)号：US07822213B2

    公开(公告)日：2010-10-26

    申请号：US11165288

    申请日：2005-06-24

    申请人： Chang-kyu Choi ,  Dong-geon Kong ,  Sun-gi Hong

    发明人： Chang-kyu Choi ,  Dong-geon Kong ,  Sun-gi Hong

    IPC分类号： H04R3/00

    CPC分类号： H04S1/002

    摘要： A system and method to estimate a location of a speaker who produces a sound signal even in a non-stationary noise environment. The system includes a signal input module receiving a first sound signal from an outside; an initialization module preparing a sound map, on which a spatial spectrum for the first sound signal, produced from at least one fixed sound source and received by the signal input module, is arranged, and estimating a location of the fixed sound source; a storage module storing information about the estimated location of the fixed sound source; and a speaker's location estimation module estimating a location where a second sound signal is produced using information about the spatial spectrum for sound signals including the first sound signal received by the signal input module and the information about the estimated location of the fixed sound source.

    摘要翻译： 即使在非平稳噪声环境中也可以估计产生声音信号的扬声器的位置的系统和方法。 该系统包括从外部接收第一声音信号的信号输入模块; 准备声音图的初始化模块，在其上布置由至少一个固定声源产生并由信号输入模块接收的第一声音信号的空间频谱，并估计固定声源的位置; 存储关于固定声源的估计位置的信息的存储模块; 以及扬声器的位置估计模块，使用关于包括由信号输入模块接收到的第一声音信号的声音信号的空间谱的信息和关于固定声源的估计位置的信息来估计产生第二声音信号的位置。

    Microphone array method and system, and speech recognition method and system using the same
    23.
    发明授权
    Microphone array method and system, and speech recognition method and system using the same 有权
    麦克风阵列方法和系统，以及语音识别方法和系统使用相同

    公开(公告)号：US07567678B2

    公开(公告)日：2009-07-28

    申请号：US10836207

    申请日：2004-05-03

    申请人： Dong-geon Kong ,  Chang-kyu Choi ,  Seok-won Bang ,  Bon-young Lee

    发明人： Dong-geon Kong ,  Chang-kyu Choi ,  Seok-won Bang ,  Bon-young Lee

    IPC分类号： H04R3/00

    CPC分类号： G10L21/0208 ,  G10L2021/02166 ,  H04R1/406 ,  H04R3/005 ,  H04R2201/401 ,  H04R2201/403

    摘要： A microphone array system including an input unit to receive sound signals using a plurality of microphones; a frequency splitter splitting each sound signal received into a plurality of narrowband signals; an average spatial covariance matrix estimator using spatial smoothing to obtain a spatial covariance matrix for each frequency component of the sound signal, by which spatial covariance matrices for a plurality of virtual sub-arrays, which are configured in the plurality of microphones, are obtained with respect to each frequency component of the sound signal and an average spatial covariance matrix is calculated; a signal source location detector to detect an incidence angle of the sound signal according to the average spatial covariance matrix calculated; a signal distortion compensator to calculates a weight for each frequency component of the sound signal based on the incidence angle of the sound signal and multiply the calculated weight by each frequency component.

    摘要翻译： 一种麦克风阵列系统，包括使用多个麦克风接收声音信号的输入单元; 将接收到的每个声音信号分成多个窄带信号的分频器; 使用空间平滑来获得声音信号的每个频率分量的空间协方差矩阵的平均空间协方差矩阵估计器，通过该平均空间协方差矩阵获得在多个麦克风中配置的多个虚拟子阵列的空间协方差矩阵， 计算声音信号的每个频率分量和平均空间协方差矩阵; 信号源位置检测器，用于根据所计算的平均空间协方差矩阵来检测声音信号的入射角; 信号失真补偿器，用于基于声音信号的入射角来计算声音信号的每个频率分量的权重，并将计算出的权重乘以每个频率分量。

    Data transmission apparatus and method thereof and data reception apparatus and method thereof
    24.
    发明授权
    Data transmission apparatus and method thereof and data reception apparatus and method thereof 有权
    数据发送装置及其方法和数据接收装置及方法

    公开(公告)号：US09024799B2

    公开(公告)日：2015-05-05

    申请号：US13481510

    申请日：2012-05-25

    申请人： Hyung-min Yoon ,  Chang-kyu Choi

    发明人： Hyung-min Yoon ,  Chang-kyu Choi

    IPC分类号： H04L17/02 ,  G06F17/30

    CPC分类号： G06F17/30876

    摘要： Data transmission apparatus and method thereof, and data reception apparatus and method thereof. Input data is encoded into a plurality of visual codes according to a visual code type. The visual code type includes a sequential type requiring sequential transmission and a nonsequential type not requiring sequential transmission. The sequential visual code includes start code, data code, and end code, and is displayed sequentially. The nonsequential visual code is displayed nonsequentially.

    摘要翻译： 数据发送装置及其方法以及数据接收装置及其方法。 输入数据根据视觉代码类型被编码成多个视觉代码。 可视代码类型包括需要顺序传输的顺序类型和不需要顺序传输的非顺序类型。 顺序可视代码包括开始代码，数据代码和结束代码，并依次显示。 非顺序视觉代码无后续显示。

    Apparatus and method of providing items based on scrolling
    25.
    发明授权
    Apparatus and method of providing items based on scrolling 有权
    提供基于滚动的项目的装置和方法

    公开(公告)号：US08429555B2

    公开(公告)日：2013-04-23

    申请号：US12007126

    申请日：2008-01-07

    申请人： Sung-jung Cho ,  Chang-kyu Choi ,  Yeun-bae Kim ,  Kyu-yong Kim

    发明人： Sung-jung Cho ,  Chang-kyu Choi ,  Yeun-bae Kim ,  Kyu-yong Kim

    IPC分类号： G06F3/048

    CPC分类号： G06F3/0485 ,  G06F3/0481 ,  G06F3/04855

    摘要： Disclosed is an apparatus and method of providing items based on scrolling.An apparatus for processing data of a non-volatile memory according to an aspect of the invention includes a scrolling detecting unit detecting scrolling for one or more items that are displayed on a screen, a screen region control unit dividing the screen into one or more regions according to the detected scrolling, and controlling the sizes of the divided regions, and an item control unit controlling at least one of the sizes and the number of items according to the sizes of the divided regions.

    摘要翻译： 公开了一种提供基于滚动的项目的装置和方法。 根据本发明的一个方面的用于处理非易失性存储器的数据的装置包括：滚动检测单元，检测在屏幕上显示的一个或多个项目的滚动;屏幕区域控制单元，将屏幕划分成一个或多个区域 根据检测到的滚动，并且控制分割区域的尺寸，以及项目控制单元，根据分割区域的大小来控制项目的大小和数量中的至少一个。

    Method, medium, and system implementing wide angle viewing
    28.
    发明申请
    Method, medium, and system implementing wide angle viewing 失效
    方法，中等和系统实现广角观察

    公开(公告)号：US20080143755A1

    公开(公告)日：2008-06-19

    申请号：US11979642

    申请日：2007-11-06

    申请人： Young-hun Sung ,  Sung-jung Cho ,  Yeun-bae Kim ,  Chang-kyu Choi ,  Kwang-hyeon Lee

    发明人： Young-hun Sung ,  Sung-jung Cho ,  Yeun-bae Kim ,  Chang-kyu Choi ,  Kwang-hyeon Lee

    IPC分类号： G09G5/10

    CPC分类号： G09G3/3611 ,  G09G2320/0271 ,  G09G2320/028

    摘要： A method, medium, and system implementing wide angle viewing compensation for a digital display device. The system includes a display unit to display an input image, a sensor unit to sense a change in the slope of the display unit with respect to a ground surface, and an image processor to compensate for a luminance value of a pixel included in the input image by referring to a viewing angle determined by the sensed slope and prestored viewing angle characteristic data.

    摘要翻译： 一种用于数字显示装置实现广角观察补偿的方法，介质和系统。 该系统包括显示输入图像的显示单元，感测显示单元相对于地面的斜率变化的传感器单元和补偿输入中包括的像素的亮度值的图像处理器 参考由感测斜率和预存视角特性数据确定的视角的图像。

    Method and apparatus for moving list on picture plane
    29.
    发明申请
    Method and apparatus for moving list on picture plane 审中-公开

    公开(公告)号：US20080089613A1

    公开(公告)日：2008-04-17

    申请号：US11898492

    申请日：2007-09-12

    申请人： Sung-jung Cho ,  Chang-kyu Choi ,  Yeun-bae Kim ,  Kwang-hyeon Lee ,  Young-hun Sung

    发明人： Sung-jung Cho ,  Chang-kyu Choi ,  Yeun-bae Kim ,  Kwang-hyeon Lee ,  Young-hun Sung

    IPC分类号： G06K9/32

    CPC分类号： G06F3/0485

    摘要： Provided are an apparatus and method for moving a list on a picture plane. The apparatus for moving a list on a picture plane includes a centripetal acceleration control module providing acceleration in the direction in which an image moves, with respect to an amount of movement of the center of the image relative to the center of a picture plane of a digital device, a movement resistance control module calculating a resistance corresponding to the provided acceleration, and applying the resistance to the image, a picture plane movement parameter control module calculating the movement speed of the image displayed on the picture plane and the distance moved by the center of the image, based on at least one of a current input tilt angle, the acceleration value, and the resistance value, thereby updating the movement speed and the distance moved by the center of the image.

    Method and apparatus for blind source separation using two sensors
    30.
    发明授权
    Method and apparatus for blind source separation using two sensors 有权
    使用两个传感器进行盲源分离的方法和装置

    公开(公告)号：US07295972B2

    公开(公告)日：2007-11-13

    申请号：US10813671

    申请日：2004-03-31

    申请人： Chang-kyu Choi

    发明人： Chang-kyu Choi

    IPC分类号： G10L19/00

    CPC分类号： G10L25/48 ,  G06K9/6245 ,  G10L21/0208 ,  G10L2021/02165

    摘要： 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.

    摘要翻译： 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。