公开(公告)号：US20110013807A1

公开(公告)日：2011-01-20

申请号：US12837111

申请日：2010-07-15

申请人： Dong-Hyuk Lee ,  Mu-Sik Kwon ,  Jung-Rim Kim ,  Seong-Taek Hwang ,  Sang-Wook Oh ,  Hyun-Soo Kim

发明人： Dong-Hyuk Lee ,  Mu-Sik Kwon ,  Jung-Rim Kim ,  Seong-Taek Hwang ,  Sang-Wook Oh ,  Hyun-Soo Kim

IPC分类号： G06K9/00

CPC分类号： G06F3/017 ,  G06K9/00355 ,  G06T7/215 ,  G06T7/246 ,  G06T2207/10016 ,  G06T2207/10024 ,  G06T2207/30196

摘要： A method for recognizing a subject motion using a camera is provided, in which each of the previous and current image frames received from the camera is split into multiple image blocks, motion blocks are detected among the image blocks based on a difference between previous and current pixel values for each of the image frames, a motion center is detected based on positions of the motion blocks for each image frame, and the subject motion appearing in the previous and current image frames is recognized based on the motion centers of the previous and current image frames.

摘要翻译： 提供了一种使用相机识别被摄体的方法，其中从相机接收的先前和当前图像帧中的每一个被分割成多个图像块，基于前一个和当前的差异在图像块中检测运动块 对于每个图像帧的像素值，基于每个图像帧的运动块的位置来检测运动中心，并且基于先前和当前的运动中心来识别出现在先前和当前图像帧中的对象运动 图像帧。

公开(公告)号：US20100239174A1

公开(公告)日：2010-09-23

申请号：US12726762

申请日：2010-03-18

申请人： Sang-Wook Oh ,  Seong-Taek Hwang ,  Hyun-Soo Kim ,  Sang-Ho Kim ,  Ho-Seok An ,  Mu-Sik Kwon ,  Ji-Hoon Kim ,  Dong-Chang Lee

发明人： Sang-Wook Oh ,  Seong-Taek Hwang ,  Hyun-Soo Kim ,  Sang-Ho Kim ,  Ho-Seok An ,  Mu-Sik Kwon ,  Ji-Hoon Kim ,  Dong-Chang Lee

IPC分类号： G06K9/36 ,  G06K9/48

CPC分类号： G06K9/32 ,  G06K2009/2045 ,  H04N1/3876 ,  H04N5/232 ,  H04N5/23238

摘要： A method is provided for creating a panorama. The method includes photographing a plurality of images having same backgrounds and different forms of a subject, determining a size and a position of a reference region for creating a panorama using the images, extracting a target region within the reference region from each of the images, detecting same portions in adjacent target regions, and creating a panorama by combining the adjacent target regions on the basis of the same portions.

摘要翻译： 提供了一种用于创建全景图的方法。 该方法包括拍摄具有相同背景和不同形式的对象的多个图像，使用该图像确定用于创建全景的参考区域的大小和位置，从每个图像提取参考区域内的目标区域， 检测相邻目标区域中的相同部分，以及通过基于相同部分组合相邻目标区域来创建全景图。

公开(公告)号：US07715418B2

公开(公告)日：2010-05-11

申请号：US11891122

申请日：2007-08-09

申请人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Yun-Je Oh

发明人： Jae-Hun Cho ,  Seong-Taek Hwang ,  Hoon Kim ,  Yun-Je Oh

IPC分类号： H04L12/56

CPC分类号： H04L12/4625 ,  H04L47/10 ,  H04L47/13 ,  H04L47/2408 ,  H04L47/2441 ,  H04L47/28 ,  H04L47/31 ,  H04L47/50 ,  H04L47/562

摘要： A method and apparatus for ensuring QoS in a synchronous Ethernet bridge are disclosed, in which a classifier classifies an ingress packet according to a PHB mapped to a DSCP value of the packet and provides the classified packet to one of a predetermined synchronous packet queue and a predetermined asynchronous packet queue, a buffer queue with a plurality of queues mapped to priority levels buffers the classified packet, a marker marks the buffered packet as a synchronous packet or, if the buffered packet is an asynchronous packet, marks the packet in a predetermined format corresponding to a priority level of the packet, and a synchronous Ethernet scheduler schedules the marked packet.

摘要翻译： 公开了一种用于确保同步以太网中的QoS的方法和装置，其中分类器根据映射到分组的DSCP值的PHB对入口分组进行分类，并将分类分组提供给预定的同步分组队列和 预定的异步分组队列，具有映射到优先级的多个队列的缓冲器队列缓冲分类分组，标记将缓冲分组标记为同步分组，或者如果缓冲分组是异步分组，则以预定格式标记分组 对应于分组的优先级，并且同步以太网调度器调度所标记的分组。

公开(公告)号：US07450860B2

公开(公告)日：2008-11-11

申请号：US11147705

申请日：2005-06-08

申请人： Hoon Kim ,  Yun-Je Oh ,  Seong-Taek Hwang

发明人： Hoon Kim ,  Yun-Je Oh ,  Seong-Taek Hwang

IPC分类号： H04B10/04 ,  H04B10/12

CPC分类号： H04B10/505 ,  H04B10/5051 ,  H04B10/5563

摘要： An optical transmission apparatus employing an FSK scheme is disclosed. The optical transmission apparatus includes a light generator arranged to generate a first tone signal having a first frequency and a second tone signal having a second frequency. The optical transmission apparatus also includes a light modulator including a second modulator for selectively outputting one of the first tone signal and the second tone signal input from the light generator according to input data.

摘要翻译： 公开了一种采用FSK方案的光传输装置。 光传输装置包括发生器，其被配置为产生具有第一频率的第一音调信号和具有第二频率的第二音调信号。 光传输装置还包括光调制器，其包括第二调制器，用于根据输入数据选择性地输出从光发生器输入的第一音调信号和第二音调信号中的一个。

公开(公告)号：US07450849B2

公开(公告)日：2008-11-11

申请号：US11197176

申请日：2005-08-04

申请人： Sang-Ho Kim ,  Chang-Sup Shim ,  Yun-Je Oh ,  Seong-Taek Hwang

发明人： Sang-Ho Kim ,  Chang-Sup Shim ,  Yun-Je Oh ,  Seong-Taek Hwang

IPC分类号： H04J14/00

CPC分类号： H04J14/0227 ,  H04B10/071 ,  H04J14/0226 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0282

摘要： A wavelength-division multiplexing passive optical network (WDM-PON) comprising a central office for generating monitor light and multiplexed downstream optical signals to be out and detecting upstream optical signals, the central office including a signal monitoring unit monitoring based on fed-back monitor light if the wavelengths of the upstream optical signals and the wavelengths of the downstream optical signals change, a plurality of subscriber units for detecting corresponding downstream optical signals and generating upstream optical signals, a remote node for reflecting the monitor light to the central office, de-multiplexing multiplexed downstream optical signals so as to output the downstream optical signals to the corresponding subscriber units, and multiplexing the upstream optical signals so as to output the upstream optical signals to the central office, a first optical path for linking the central office to the remote node, and a plurality of second optical paths for linking the remote node to the subscriber units, respectively.

摘要翻译： 一种波分复用无源光网络（WDM-PON），包括用于产生监控光的中心局和多路复用的下行光信号，以便检测上行光信号，该中心局包括基于反馈监视器的信号监控单元 如果上游光信号的波长和下游光信号的波长发生变化，则用于检测相应的下行光信号并产生上行光信号的多个用户单元，用于将监控光反射到中心局的远端节点 复用下行光信号，以将下行光信号输出到对应的用户单元，并复用上行光信号，以将上行光信号输出到中心局;第一光路，用于将中心局连接到 远程节点和用于li的多个第二光路 将远程节点分别分配给用户单元。

公开(公告)号：US20080145061A1

公开(公告)日：2008-06-19

申请号：US11953911

申请日：2007-12-11

申请人： Han-Lim LEE ,  Hoon Kim ,  Seong-Taek Hwang

发明人： Han-Lim LEE ,  Hoon Kim ,  Seong-Taek Hwang

IPC分类号： H04B10/00 ,  H04J3/00

CPC分类号： H04J14/02 ,  H04B10/25758 ,  H04W88/085

摘要： A radio over fiber link apparatus for transmitting/receiving radio frequency up/downlink signals in a TDD mobile communication system. The radio over fiber link apparatus includes a center site for receiving radio frequency signals from an access point of the mobile communication system. The center site has a first electro-optic converter for converting the radio frequency signals into optical signals, bias control of the first electro-optic converter being performed based on the switching of TDD signals; and a remote for transmitting the radio frequency signals to a mobile communication terminal through an antenna. The remote site has a first photoelectric converter for converting the optical signals transmitted through an optical fiber from the center site into radio frequency signals.

摘要翻译： 一种用于在TDD移动通信系统中发送/接收射频上行/下行链路信号的无线电光纤链路装置。 光纤链路装置的无线电设备包括用于从移动通信系统的接入点接收射频信号的中心站点。 中心站点具有用于将射频信号转换为光信号的第一电光转换器，基于TDD信号的切换执行第一电光转换器的偏置控制; 以及用于通过天线将射频信号发送到移动通信终端的遥控器。 远程站点具有第一光电转换器，用于将通过光纤传输的光信号从中心位置转换成射频信号。

公开(公告)号：US20080031198A1

公开(公告)日：2008-02-07

申请号：US11890174

申请日：2007-08-03

申请人： Seong-Taek Hwang ,  Jae-Hun Cho ,  Jong-Ho Yoon ,  Hoon Kim

发明人： Seong-Taek Hwang ,  Jae-Hun Cho ,  Jong-Ho Yoon ,  Hoon Kim

IPC分类号： H04Q7/00

CPC分类号： H04W36/02 ,  H04W36/12 ,  H04W36/18

摘要： A method of treating signals in a bridge-based radio access station backbone network including a plurality of base station bridges (BSBs), with each BSB having a 2-tiered switch connected with a plurality of radio access stations. A plurality of SCBs (Site Core Bridges), each of having a 2-tiered switch for constituting the core network, includes the steps of buffering by the SCB a predetermined number of previously-transmitted frames when operating as a crossover bridge, and causing the SCB to retransmit selected ones of the buffered previously-transmitted frames to a terminal in response to a handover completion signal.

摘要翻译： 一种处理基于桥的无线电接入站骨干网络中的信号的方法，包括多个基站网桥（BSB），每个BSB具有与多个无线电接入站连接的2层交换机。 多个具有用于构成核心网络的2层交换机的SCB（站点核心桥）包括以下步骤：当作为交叉桥工作时，由SCB缓冲预定数量的先前发送的帧， SCB响应于切换完成信号，将已缓存的先前发送的帧的选择的一个重传到终端。

公开(公告)号：US07295778B2

公开(公告)日：2007-11-13

申请号：US10713393

申请日：2003-11-14

申请人： Jea-Hyuck Lee ,  Seong-Taek Hwang ,  Yun-Je Oh ,  Dae-Kwang Jung

发明人： Jea-Hyuck Lee ,  Seong-Taek Hwang ,  Yun-Je Oh ,  Dae-Kwang Jung

IPC分类号： H04J14/00

CPC分类号： H04J14/0282 ,  H04B10/2503 ,  H04B10/40 ,  H04J14/02 ,  H04J14/0226 ,  H04J14/0246 ,  H04J14/025 ,  H04Q11/0067 ,  H04Q2011/0016

摘要： Disclosed is a wavelength division multiplexed passive optical network (WDM PON) system including a central office, a remote Node, and an optical fiber coupled between the central office and the remote node, wherein the central office includes an optical power splitter coupled to the optical fiber, wherein the optical power splitter (1) divides an upstream optical signal from the optical fiber into a plurality of upstream optical signals having substantially similar power and (2) outputs downstream optical signals to the optical fiber, and a plurality of optical transceiver modules to (1) receive the plurality of upstream optical signals, and (2) output the downstream optical signals to the optical power splitter, and wherein at least one of the optical transceiver modules having an optical transmitter including a semiconductor optical amplifier and a reflection-type optical fiber grating located at a predetermined distance from the semiconductor optical amplifier, the optical transmitter transmitting light of a pre-set wavelength resonating between the SOA and reflection-type optical fiber grating; and wherein at least one of the optical transceiver modules having an optical receiver having an optical fiber grating for transmitting light of a predetermined wavelength and an optical detector for detecting light passing through the optical fiber grating.

摘要翻译： 公开了一种波分复用无源光网络（WDM PON）系统，包括中心局，远程节点和耦合在中心局与远程节点之间的光纤，其中中心局包括耦合到光学器件的光功率分配器 光纤，其中所述光功率分配器（1）将来自所述光纤的上行光信号划分成具有基本相似功率的多个上游光信号，以及（2）向所述光纤输出下行光信号，以及多个光收发模块 （1）接收多个上游光信号，以及（2）将下行光信号输出到光功率分配器，并且其中至少一个光收发模块具有光发射机，该光发射机包括半导体光放大器和反射 - 位于与半导体光放大器预定距离的光纤光栅，光发射 传输在SOA和反射型光纤光栅之间谐振的预设波长的光; 并且其中所述光收发器模块中的至少一个具有光接收器，所述光接收器具有用于透射预定波长的光的光纤光栅和用于检测通过所述光纤光栅的光的光学检测器。

公开(公告)号：US07289048B2

公开(公告)日：2007-10-30

申请号：US10806548

申请日：2004-03-23

申请人： Sung-Kee Kim ,  Han-Lim Lee ,  Seong-Taek Hwang

发明人： Sung-Kee Kim ,  Han-Lim Lee ,  Seong-Taek Hwang

IPC分类号： H03M1/00

CPC分类号： H04B10/505 ,  H04B10/5055 ,  H04B10/5167

摘要： A duo-binary encoder performs a parallel processing and an optical duo-binary transmission apparatus using the encoder to enhance transmission capability. The duo-binary encoder has a judgment unit for judging whether an odd number or even number of ‘0’s exists in data input signals of N channels, a toggle unit for toggling an output signal of the judgment unit when a number of ‘0’s is even, an intermediate signal generation unit for determining whether phases of other channels are shifted or not, according to an data input signal on the basis of a predetermined channel of the N channels. A phase division unit divides data into a first data group having non-shifted phases and a second group of data that require a phase shift, according to an output signal of the intermediate signal generation unit and the data input signal. The divided first and second data groups are then output.

摘要翻译： 二进制编码器使用编码器执行并行处理和光二进制传输装置，以增强传输能力。 二进制编码器具有判断单元，用于判断N个通道的数据输入信号中是否存在奇数或偶数的“0”，当“0”为偶数时，用于切换判断单元的输出信号的触发单元 根据N个信道的预定信道，根据数据输入信号，确定是否移位了其他信道的相位的中间信号生成部。 相位分割单元根据中间信号产生单元的输出信号和数据输入信号将数据划分成具有非移相的第一数据组和需要相移的第二组数据。 然后输出分割的第一和第二数据组。

公开(公告)号：US07271949B2

公开(公告)日：2007-09-18

申请号：US10853969

申请日：2004-05-26

申请人： Sang-Ho Kim ,  Seong-Taek Hwang

发明人： Sang-Ho Kim ,  Seong-Taek Hwang

IPC分类号： H04B10/17

CPC分类号： H04J14/02 ,  H01S3/06754 ,  H01S3/06795 ,  H01S3/08086 ,  H01S3/1608 ,  H01S3/1613 ,  H01S3/1616

摘要： A multi-wavelength light source includes an amplifier for generating light over a wide wavelength range; and, an optical fiber grating including a plurality of gratings formed on an optical fiber in in parallel with each other, thereby dividing the light inputted from the amplifier into respective channels having different wavelengths to reflect the divided channels to the amplifier. The amplifier amplifies each channel reflected in the gratings.

摘要翻译： 多波长光源包括用于在宽波长范围内产生光的放大器; 以及包括形成在光纤上的多个光栅彼此并联的光纤光栅，从而将从放大器输入的光分成具有不同波长的各个通道，以将分离的通道反射到放大器。 放大器放大在光栅中反射的每个通道。