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1. 发明授权

US08199817B2 Method for error concealment in decoding of moving picture and decoding apparatus using the same 有权
标题翻译：运动图像解码中的误差隐藏方法及使用该方法的解码装置
公开(公告)号：US08199817B2
公开(公告)日：2012-06-12
申请号：US11901589
申请日：2007-09-18
申请人： Yong-Deok Kim , Young-O Park , Kwang-Pyo Choi , Jeong-Seok Choi , Young-Hun Joo , Kwan-Woong Song , Chang-Su Kim
发明人： Yong-Deok Kim , Young-O Park , Kwang-Pyo Choi , Jeong-Seok Choi , Young-Hun Joo , Kwan-Woong Song , Chang-Su Kim
IPC分类号： H04N11/02 , H04N7/12
CPC分类号： H04N19/61 , H04N19/895
摘要： A method and apparatus for error concealment in decoding of a moving picture. The method includes the steps of determining an erroneous macro block in a present frame when the moving picture is decoded, finding a first macro block having a highest similarity to the erroneous macro block and a second macro block having a next highest similarity to the erroneous block in a previous frame by comparing adjacent pixels of respective blocks in the previous frame with adjacent pixels of the erroneous block in the present frame; and replacing the erroneous block by using an average between the found macro blocks having the highest similarity and the second highest similarity to thereby conceal the erroneous macro block. The apparatus includes a parser, an entropy decoder, an inverse quantizer, an inverse converter, and a concealment unit that uses motion compensation from a previous frame to correct a macro block in a current frame.
摘要翻译：一种用于运动图像解码中的错误隐藏的方法和装置。该方法包括以下步骤：当解码运动图像时，确定当前帧中的错误宏块，找到与错误宏块具有最高相似度的第一宏块和与错误块具有次高相似性的第二宏块在前一帧中通过将前一帧中的各个块的相邻像素与当前帧中的错误块的相邻像素进行比较; 并且通过使用具有最高相似度的所找到的宏块与第二高相似度之间的平均值来替换错误块，从而隐藏错误的宏块。该装置包括解析器，熵解码器，逆量化器，逆变换器和隐藏单元，其使用来自前一帧的运动补偿来校正当前帧中的宏块。

2. 发明申请

US20120121232A1 METHOD AND APPARATUS FOR REPRODUCING DATA 审中-公开
标题翻译：用于再现数据的方法和装置
公开(公告)号：US20120121232A1
公开(公告)日：2012-05-17
申请号：US13111589
申请日：2011-05-19
申请人： Young-o PARK , Kwan-woong SONG , Kwang-Pyo CHOI
发明人： Young-o PARK , Kwan-woong SONG , Kwang-Pyo CHOI
IPC分类号： H04N9/80
CPC分类号： H04N5/783 , H04N9/8042 , H04N9/8205
摘要： A method and apparatus for reproducing data are provided. The method and apparatus involve receiving a first signal for marking a desired reproduction position in media data; storing reproduction information for reproducing the media data from the desired reproduction position without searching for reference data in the media data; and reproducing the media data by using the reproduction information if a second signal is received so as to request the media data to be reproduced from the desired reproduction position.
摘要翻译：提供了一种用于再现数据的方法和装置。所述方法和装置包括接收用于在媒体数据中标记期望再现位置的第一信号; 存储用于从期望的再现位置再现媒体数据的再现信息，而不搜索媒体数据中的参考数据; 以及如果接收到第二信号，则通过使用再现信息再现媒体数据，以便从期望的再现位置请求再现媒体数据。

3. 发明授权

US07873072B2 System and method for digital multimedia broadcasting confinement service 有权
标题翻译：数字多媒体广播约束服务的系统和方法
公开(公告)号：US07873072B2
公开(公告)日：2011-01-18
申请号：US11636932
申请日：2006-12-11
申请人： Han-Sang Kim , Kwan-Woong Song , Young-Hun Joo , Yong-Deok Kim , Yun-Je Oh
发明人： Han-Sang Kim , Kwan-Woong Song , Young-Hun Joo , Yong-Deok Kim , Yun-Je Oh
IPC分类号： H04J3/16
CPC分类号： H04H60/23 , H04N7/52 , H04N21/23608 , H04N21/2362 , H04N21/23895 , H04N21/4344 , H04N21/4345 , H04N21/43853 , H04N21/835
摘要： Disclosed are a system and method for providing digital multimedia broadcasting confinement service. The system includes: a relay center side system, which is adopted to the relay center, according to the relay center side packet identification description (PID) key, for modifying the PID of transport stream and generating the distorted program specific information (PSI); and a terminal side system, which is adopted to the DMB terminal, according to the terminal side PID key, for recovering the distorted PSI of the transport stream received from the relay center and decoding it. The method includes the steps of: identifying whether the actual PID of the TS is consistent when the TS is demultiplexed by audio/video PID acquired through the program map table (PMT) analysis of the TS; generating a preset alarm signal; modifying the PID of the audio/video data in the PMT according to the terminal side PID; and demultiplexing the TS according to the modified PID value.
摘要翻译：公开了一种用于提供数字多媒体广播限制服务的系统和方法。该系统包括：根据中继中心侧分组识别描述（PID）密钥对继电器中心采用的中继侧系统，用于修改传输流的PID并产生失真的程序特定信息（PSI）; 以及根据终端侧PID密钥被用于DMB终端的终端侧系统，用于恢复从中继中心接收的传输流的失真PSI并对其进行解码。该方法包括以下步骤：当通过TS的节目映射表（PMT）分析获得的音频/视频PID解复用TS时，识别TS的实际PID是否一致; 产生预设的报警信号; 根据终端侧PID修改PMT中的音频/视频数据的PID; 并根据修改的PID值解复用TS。

4. 发明申请

US20080080623A1 Method for error concealment in decoding of moving picture and decoding apparatus using the same 有权
标题翻译：运动图像解码中的误差隐藏方法及使用该方法的解码装置
公开(公告)号：US20080080623A1
公开(公告)日：2008-04-03
申请号：US11901589
申请日：2007-09-18
申请人： Yong-Deok Kim , Young-O Park , Kwang-Pyo Choi , Jeong-Seok Choi , Young-Hun Joo , Kwan-Woong Song , Chang-Su Kim
发明人： Yong-Deok Kim , Young-O Park , Kwang-Pyo Choi , Jeong-Seok Choi , Young-Hun Joo , Kwan-Woong Song , Chang-Su Kim
IPC分类号： H04B1/66
CPC分类号： H04N19/61 , H04N19/895
摘要： A method and apparatus for error concealment in decoding of a moving picture. The method includes the steps of determining an erroneous macro block in a present frame when the moving picture is decoded, finding a first macro block having a highest similarity to the erroneous macro block and a second macro block having a next highest similarity to the erroneous block in a previous frame by comparing adjacent pixels of respective blocks in the previous frame with adjacent pixels of the erroneous block in the present frame; and replacing the erroneous block by using an average between the found macro blocks having the highest similarity and the second highest similarity to thereby conceal the erroneous macro block. The apparatus includes a parser, an entropy decoder, an inverse quantizer, an inverse converter, and a concealment unit that uses motion compensation from a previous frame to correct a macro block in a current frame.
摘要翻译：一种用于运动图像解码中的错误隐藏的方法和装置。该方法包括以下步骤：当解码运动图像时，确定当前帧中的错误宏块，找到与错误宏块具有最高相似度的第一宏块和与错误块具有次高相似性的第二宏块在前一帧中通过将前一帧中的各个块的相邻像素与当前帧中的错误块的相邻像素进行比较; 并且通过使用具有最高相似度的所找到的宏块与第二高相似度之间的平均值来替换错误块，从而隐藏错误的宏块。该装置包括解析器，熵解码器，逆量化器，逆变换器和隐藏单元，其使用来自前一帧的运动补偿来校正当前帧中的宏块。

5. 发明授权

US07092147B2 Broadband light source 有权
标题翻译：宽带光源
公开(公告)号：US07092147B2
公开(公告)日：2006-08-15
申请号：US10858913
申请日：2004-06-02
申请人： Sang-Ho Kim , Seong-Taek Hwang , Se-Hong Park , Kwan-Woong Song , Gyu-Woong Lee
发明人： Sang-Ho Kim , Seong-Taek Hwang , Se-Hong Park , Kwan-Woong Song , Gyu-Woong Lee
IPC分类号： H01S3/00
CPC分类号： H04B10/506 , H01S3/005 , H01S3/0078 , H01S3/06758 , H01S3/06766 , H01S3/0677 , H01S3/094011 , H01S3/094023 , H01S5/0064 , H04B10/294
摘要： A broadband light source includes an optical amplifier having amplifying mediums connected in series outputs an amplified spontaneous emission light over a wide wavelength range forward or backward. A circulator connected in series to the optical amplifier returns back to the amplifier spontaneous emission light outputted backwardly from the amplifier. A first pumping means located between the circulator and the optical amplifier pumps a pumping light to the optical amplifier, and a second pumping means located after the optical amplifier pumps a pumping light to the optical amplifier.
摘要翻译：宽带光源包括具有串联连接的放大介质的光放大器，其在宽波长范围内向前或向后输出放大的自发发射光。与光放大器串联连接的环行器返回到从放大器向后输出的放大器自发发射光。位于循环器和光学放大器之间的第一泵送装置将泵浦光泵送到光放大器，以及位于光放大器将泵浦光泵送到光放大器之后的第二泵装置。

6. 发明授权

US06972898B2 Wide band optical fiber amplifier 失效
标题翻译：宽带光纤放大器
公开(公告)号：US06972898B2
公开(公告)日：2005-12-06
申请号：US10374894
申请日：2003-02-26
申请人： Seong-Taek Hwang , Kwan-Woong Song
发明人： Seong-Taek Hwang , Kwan-Woong Song
IPC分类号： H01S3/10 , G02B6/00 , H04B10/12
CPC分类号： H04B10/2941
摘要： Disclosed is a wide band optical fiber amplifier for amplifying C and L-band optical signal components having an economical configuration, high amplification efficiency while exhibiting a low noise figure. The amplifier includes first and second isolators; first, second, and third amplification units; a distributor; a gain flattening filter; and first and second reflectors. The amplifier receives C and L band optical signals and process the signals by: amplifying C and L band signals; gain flattening the only C band signal twice; amplifying C and L band signals for the second time; splitting the C band signal from L band signal; subjecting L band signal to be amplified three more times; and combining resulting C and L band signals.
摘要翻译：公开了一种宽带光纤放大器，用于放大具有经济配置，高放大效率，同时具有低噪声系数的C波段和L波段光信号分量。放大器包括第一和第二隔离器; 第一，第二和第三放大单元; 经销商增益压扁过滤器; 第一和第二反射器。放大器接收C和L波段光信号，并通过以下步骤处理信号：放大C和L波段信号; 增加了仅有的C波段信号的两倍; 第二次放大C和L波段信号; 从L波段信号中分离C波段信号; 对L波段信号进行三次放大; 并结合产生的C和L波段信号。

7. 发明授权

US06785043B2 Dispersion-compensated optical fiber amplifier 有权
标题翻译：色散补偿光纤放大器
公开(公告)号：US06785043B2
公开(公告)日：2004-08-31
申请号：US10236158
申请日：2002-09-06
申请人： Seong-Taek Hwang , Kwan-Woong Song , Sung-Tae Kim , Young-Hoon Joo , Sung-Jin Park
发明人： Seong-Taek Hwang , Kwan-Woong Song , Sung-Tae Kim , Young-Hoon Joo , Sung-Jin Park
IPC分类号： H01S300
CPC分类号： H01S3/06754 , H01S3/0057 , H01S3/0064 , H01S3/06758 , H01S3/094003
摘要： Disclosed is a dispersion-compensated optical-fiber amplifier including a circulator for outputting an optical signal received at a first terminal to a second terminal, while outputting an optical signal received at the second terminal to a third terminal; a first amplifier for amplifying the optical signal from the second terminal and an optical signal reapplied thereto; a dispersion-compensating fiber for compensating for a dispersion occurring in the optical signal received from the first amplifier and an optical signal reapplied thereto; a second amplifier for amplifying the optical signal from the dispersion-compensating fiber and an optical signal reapplied thereto; a splitter installed on the dispersion-compensating fiber and adapted to output to the dispersion-compensating fiber, an optical signal applied thereto and an optical signal reapplied thereto, while outputting a pumping light applied to one end thereof and adapted to pump both the first and second amplifiers to the other end thereof without allowing the pumping light to pass through the dispersion-compensating fiber; and, a reflector for reflecting back an optical signal from the second amplifier, so that the reflected optical signal is reapplied to the second amplifier, the splitter, the first amplifier, and the circulator, in this order.
摘要翻译：公开了一种色散补偿光纤放大器，包括：循环器，用于将在第一端子处接收的光信号输出到第二端子，同时将在第二端子接收的光信号输出到第三端子; 用于放大来自第二端子的光信号的第一放大器和重新施加到其上的光信号; 用于补偿从第一放大器接收的光信号中出现的色散的色散补偿光纤和重新施加于其上的光信号; 用于放大来自色散补偿光纤的光信号的第二放大器和重新应用于其的光信号; 分散器，其安装在色散补偿光纤上并且适于输出到色散补偿光纤，施加到色散补偿光纤的光信号和重新施加到其上的光信号，同时输出施加到色散补偿光纤的一端的泵浦光，并且适于泵浦第一和第二放大器到另一端，而不允许泵浦光通过色散补偿光纤; 以及用于反射来自第二放大器的光信号的反射器，使得反射的光信号按照该顺序重新施加到第二放大器，分路器，第一放大器和循环器。

8. 发明申请

US20100027617A1 METHOD AND APPARATUS FOR COMPRESSING A REFERENCE FRAME IN ENCODING/DECODING MOVING IMAGES 审中-公开
标题翻译：用于在编码/解码移动图像中压缩参考帧的方法和装置
公开(公告)号：US20100027617A1
公开(公告)日：2010-02-04
申请号：US12511497
申请日：2009-07-29
申请人： Chang-Hyun LEE , Kwan-Woong SONG , Young-Hun JOO , Yong-Serk KIM , Dong-Gyu SIM , Sea-Nae PARK
发明人： Chang-Hyun LEE , Kwan-Woong SONG , Young-Hun JOO , Yong-Serk KIM , Dong-Gyu SIM , Sea-Nae PARK
IPC分类号： H04N11/04
CPC分类号： H04N19/115 , H04N19/149 , H04N19/176
摘要： Provided is a method of compressing a reference frame in encoding or decoding moving images. A reference frame to be compressed is divided into basic processing blocks. The basic processing blocks are divided into sub-blocks. A maximum value and a minimum value of pixels within each sub-block are calculated. A necessary bit length needed for compression of each sub-block is obtained based on a difference between the maximum value and the minimum value. An average bit length of the sub-blocks within the basic processing block is calculated based on the calculated necessary bit lengths of the sub-blocks. Bits are variably allocated to each sub-block by adjusting the necessary bit length of each sub-block so that the average bit length of the sub-blocks within a corresponding basic processing block is less than or equal to a preset required bit length. Each sub-block is compressed to the allocated bits.
摘要翻译：提供了一种在编码或解码运动图像中压缩参考帧的方法。要压缩的参考帧被分为基本处理块。基本处理块分为子块。计算每个子块内像素的最大值和最小值。基于最大值和最小值之间的差异，获得每个子块的压缩所需的必要位长度。基于所计算的子块的必要位长度来计算基本处理块内的子块的平均位长度。通过调整每个子块的必要比特长度，可以将比特分配给每个子块，使得对应的基本处理块内的子块的平均比特长度小于或等于预设的所需比特长度。每个子块被压缩到分配的位。

9. 发明申请

US20090196507A1 Method and apparatus for estimating object contour in a moving picture 有权
标题翻译：用于估计运动图像中物体轮廓的方法和装置
公开(公告)号：US20090196507A1
公开(公告)日：2009-08-06
申请号：US12322250
申请日：2009-01-30
申请人： Young-O Park , Kwan-Woong Song , Young-Hun Joo , Kwang-Pyo Choi , Yun-Je Oh , Chang-Su Kim , Jae-Kyun Ahn
发明人： Young-O Park , Kwan-Woong Song , Young-Hun Joo , Kwang-Pyo Choi , Yun-Je Oh , Chang-Su Kim , Jae-Kyun Ahn
IPC分类号： G06K9/48
CPC分类号： G06K9/00234 , G06K9/00369 , G06K9/48
摘要： A method and apparatus for estimating the contour of a user object in a moving picture during video communications so that a personal background image is not provided during video communications. Information about center coordinates as well as a size of a face of the user object is extracted from a moving picture frame. Edges are extracted from the moving picture frame, and a boundary of a head of the user object is estimated using a semicircle. The boundaries of left and right shoulders and left and right arms of the user object are estimated using second-order function graphs that overlap a largest portion of the edges. An entire contour of the user object is estimated according to the boundaries of the head, the left and right shoulders, and the left and right arms of the user object.
摘要翻译：一种用于在视频通信期间估计运动图像中的用户对象的轮廓的方法和装置，使得在视频通信期间不提供个人背景图像。从运动图像帧中提取关于中心坐标以及用户对象的面部大小的信息。从运动图像帧提取边缘，并且使用半圆来估计用户对象的头部的边界。使用与边缘的最大部分重叠的二阶函数图来估计用户对象的左肩和右肩和左右臂的边界。用户对象的整体轮廓根据用户对象的头部，左肩和右肩部以及左右臂的边界来估计。

10. 发明授权

US07564877B2 Data multiplexing method, field programmable gate array, and optical network 有权
标题翻译：数据复用方法，现场可编程门阵列和光网络
公开(公告)号：US07564877B2
公开(公告)日：2009-07-21
申请号：US11147703
申请日：2005-06-08
申请人： Jae-Hun Cho , Jun-Ho Koh , Sang-Ho Kim , Kwan-Woong Song , Young-Hun Joo , Yun-Je Oh
发明人： Jae-Hun Cho , Jun-Ho Koh , Sang-Ho Kim , Kwan-Woong Song , Young-Hun Joo , Yun-Je Oh
IPC分类号： H04J3/02
CPC分类号： H03K19/1776 , H03K19/17744
摘要： A field programmable gate array (FPGA) for multiplexing data and enable signals input from a plurality of input ports and outputting the multiplexed signal to one output port is disclosed. The FPGA includes a plurality of memories, which are connected to the input ports, for storing the input data and enable signals, respectively, and outputting one-shot signals at trailing edges of the enable signals; and a finite state machine (FSM) for sequentially reading the data signals stored in the memories in an order of the one-shot signals input from the memories.
摘要翻译：公开了一种用于多路复用数据并使能从多个输入端口输入的信号并将复用的信号输出到一个输出端口的现场可编程门阵列（FPGA）。 FPGA包括连接到输入端口的多个存储器，用于分别存储输入数据和使能信号，并在使能信号的后沿输出单触发信号; 以及用于按照从存储器输入的单触发信号的顺序顺序读取存储在存储器中的数据信号的有限状态机（FSM）。

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