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公开(公告)号：KR1020130066432A
公开(公告)日：2013-06-20
申请号：KR1020110133245
申请日：2011-12-12
Applicant: 한국전자통신연구원
IPC: H04N21/236 , H04N21/434
CPC classification number: H04N21/478 , H04N21/2221 , H04N21/4882 , H04N21/6125
Abstract: PURPOSE: An IPTV(Internet Protocol Television) service supplying method and a device thereof based on cloud are provided to develop an additional service without any constraints according to a specification of a set top box for a developer. CONSTITUTION: A reception unit(210) receives a transmission stream frame including information related to an additional service and channel broadcasting information from a headend(100) and extracts information related to the additional service. An additional service information processing unit(220) decodes information related to the extracted additional service. A capture unit(230) captures screen information related to the additional service to be displayed on the screen. A transmission control unit(240) transmits the screen information to a set top box(310). [Reference numerals] (210) Reception unit; (220) Additional service information processing unit; (230) Capture unit; (240) Transmission control unit; (250) User entry handling unit; (AA) MPEG2-TS frame; (BB) Transmission channel
Abstract translation: 目的：提供基于云的IPTV（因特网协议电视）服务提供方法及其装置，以根据开发者的机顶盒的规范而不受任何限制地开发附加服务。 构成：接收单元（210）从头端（100）接收包括与附加服务相关的信息和频道广播信息的传输流帧，并提取与附加服务相关的信息。 附加服务信息处理单元（220）解码与所提取的附加服务有关的信息。 捕获单元（230）捕获与要在屏幕上显示的附加服务相关的屏幕信息。 传输控制单元（240）将屏幕信息发送到机顶盒（310）。 （附图标记）（210）接收单元; （220）附加业务信息处理单元; （230）捕获单元; （240）传动控制单元; （250）用户输入处理单元; （AA）MPEG2-TS帧; （BB）传输通道
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公开(公告)号：KR1020110071469A
公开(公告)日：2011-06-29
申请号：KR1020090128053
申请日：2009-12-21
Applicant: 한국전자통신연구원
IPC: H03M13/11
CPC classification number: H03M13/1111 , H03M13/1108 , H03M13/3707
Abstract: PURPOSE: A high speed decoding method for a low-density parity-check code is provided to obtain low error floor, by using BPSK(Binary Phase Shift Keying) modulation and additive white Gaussian noise channel environment. CONSTITUTION: An LDPC(Low Density Parity Check) code is decoded by LDPC decoding method using a message expressed as an LLR value. The message is converted into a bit stream corresponding to the LLR value. The LDPC code includes a variable node updating procedure using a bit stream. The variable node updating procedure includes a binary calculation procedure among input message values. The variable node updating procedure uses a threshold value.
Abstract translation: 目的：通过使用BPSK（二进制相移键控）调制和加性白高斯噪声信道环境，提供了一种用于低密度奇偶校验码的高速解码方法，以获得低误码大小。 构成：通过使用表示为LLR值的消息的LDPC解码方法对LDPC（低密度奇偶校验）码进行解码。 该消息被转换成与LLR值对应的比特流。 LDPC码包括使用比特流的可变节点更新过程。 变量节点更新过程包括输入消息值之间的二进制计算过程。 变量节点更新过程使用阈值。
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公开(公告)号：KR1020110051104A
公开(公告)日：2011-05-17
申请号：KR1020090107775
申请日：2009-11-09
Applicant: 한국전자통신연구원
IPC: H04N7/24
CPC classification number: H04N19/33 , H04N19/172 , H04N19/184 , H04N19/436
Abstract: PURPOSE: A method and system of encoding a visual space division type parallel video are provided to improve encoding speed. CONSTITUTION: A time and space partition unit(110) selects a method for dividing an input image based on constraint condition. The time and space partition unit transmits the input image to different encoding by dividing the input image according to the selected method. A encoding unit(120) generates a encoded bit stream by encoding the divided input image. An input image integration unit(130) integrates the encoding bit stream by receiving from the encoding units.
Abstract translation: 目的：提供一种编码视觉空间分割型并行视频的方法和系统，以提高编码速度。 构成：时空分区单元（110）基于约束条件选择分割输入图像的方法。 时间和空间分割单元根据所选择的方法通过划分输入图像将输入图像发送到不同的编码。 编码单元（120）通过对分割的输入图像进行编码来生成编码比特流。 输入图像合成单元（130）通过从编码单元接收来对编码比特流进行积分。
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公开(公告)号：KR1020110049137A
公开(公告)日：2011-05-12
申请号：KR1020090106000
申请日：2009-11-04
Applicant: 한국전자통신연구원
IPC: H04N7/24
CPC classification number: H04N19/187 , H04N19/184 , H04N19/436
Abstract: PURPOSE: A parallel processing scalable video encoding/decoding method is provided to encode/decode a target image in a plurality of encoding/decoding unit in parallel. CONSTITUTION: A video splitter(110) participates an original image by an IDR(Instantaneous Decoder Refresh) cycle. The video splitter inputs each original image to different encoding units during the IDR cycle. A plurality of encoding units(120) generate bit stream by encoding the original image during the IDR cycle. A bit stream compositor(130) successively stores the bit stream of the encoders.
Abstract translation: 目的：提供并行处理可分级视频编码/解码方法，并行地对多个编码/解码单元中的目标图像进行编码/解码。 构成：视频分离器（110）通过IDR（瞬时解码器刷新）周期参与原始图像。 视频分配器在IDR周期期间将每个原始图像输入到不同的编码单元。 多个编码单元（120）通过在IDR周期期间对原始图像进行编码来生成比特流。 比特流合成器（130）连续地存储编码器的比特流。
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公开(公告)号：KR1020110031721A
公开(公告)日：2011-03-29
申请号：KR1020090089085
申请日：2009-09-21
Applicant: 한국전자통신연구원
IPC: H04N7/24
CPC classification number: H04N19/59 , H04N19/117 , H04N19/33 , H04N19/46 , H04N19/523 , H04N19/61 , H04N19/82 , H04N19/86
Abstract: PURPOSE: A scalable video coding/decoding method and an apparatus thereof are provided to increase the image quality of a base layer without using anti-aliasing filtering without increasing the amount of calculation. CONSTITUTION: An entropy decoding unit(120) encodes an image which is received from a encoding unit. A de-blocking filter(160) reduces the block distortion of the decoded image. A motion compensation unit(170) applies the motion compensation of the image which passes through the de-blocking filter. A half-pel filter(180) applies half-pel compensation to the image to which the motion compensation is applied.
Abstract translation: 目的：提供可扩展的视频编码/解码方法及其装置，以在不增加计算量的情况下，不使用抗混叠滤波来增加基本层的图像质量。 构成：熵解码单元（120）编码从编码单元接收的图像。 解块滤波器（160）减少解码图像的块失真。 运动补偿单元（170）应用通过解块滤波器的图像的运动补偿。 半像素滤波器（180）对应用运动补偿的图像应用半像素补偿。
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Patent Agency Ranking
公开(公告)号：KR1020100058201A
公开(公告)日：2010-06-03
申请号：KR1020080116931
申请日：2008-11-24
Applicant: 한국전자통신연구원
IPC: H04N19/105 , H04N19/117 , H04N19/51
CPC classification number: H04N19/573 , H04N19/105 , H04N19/117 , H04N19/176 , H04N19/61
Abstract: PURPOSE: An encoding/decoding device of a video signal and a method thereof are provided to remove the need to transmit a motion vector by presuming movement with use of a template. CONSTITUTION: A template motion estimator(170) presumes movement between an input image and a reference image with use of a template. An adaptive motion compensator(180) generates a predicted image with motion estimation information and the reference image. The adaptive motion compensator calculates a filter coefficient with use of the template in the predicted image. The adaptive motion compensator filters the predicted image with the filter coefficient.
Abstract translation: 目的：提供视频信号的编码/解码装置及其方法，以通过假定使用模板的移动来消除传输运动矢量的需要。 构成：模板运动估计器（170）假设使用模板在输入图像和参考图像之间移动。 自适应运动补偿器（180）生成具有运动估计信息和参考图像的预测图像。 自适应运动补偿器使用预测图像中的模板来计算滤波器系数。 自适应运动补偿器用滤波器系数对预测图像进行滤波。
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公开(公告)号：KR1020100018956A
公开(公告)日：2010-02-18
申请号：KR1020080077726
申请日：2008-08-08
Applicant: 한국전자통신연구원
IPC: H04N19/51
CPC classification number: H04N19/51 , H04N19/139 , H04N19/159
Abstract: PURPOSE: A method for decoding distribution video using motion-compensated image is provided to enhance compression efficiency using MCIF(Motion Compensated Interpolation Frame). CONSTITUTION: An intra-decoding unit(150) decodes key frame from received bitstream. A motion compensating unit(160) generates MCIF(Motion Compensated Interpolation Frame) using previous key frame block and key frame block. The average of pixel concentration is calculated based on current key frame block and forward direction movement vector information. A Slepian-wolf decoding unit(140) finally decodes Wyner-ziv frame using the MCIF.
Abstract translation: 目的：提供使用运动补偿图像解码分配视频的方法，以提高使用MCIF（运动补偿插值帧）的压缩效率。 构成：内部解码单元（150）从接收的比特流解码关键帧。 运动补偿单元（160）使用先前的关键帧块和关键帧块产生MCIF（运动补偿插补帧）。 基于当前关键帧块和向前移动向量信息计算像素浓度的平均值。 Slepian-Wolf解码单元（140）最终使用MCIF解码Wyner-ziv帧。
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公开(公告)号：KR100923865B1
公开(公告)日：2009-10-28
申请号：KR1020070124224
申请日：2007-12-03
Applicant: 한국전자통신연구원
IPC: H04N19/90
Abstract: A distributed video codec device using spatial reduction and enlargement, and a method thereof are provided to prevent degradation of a system with a reduced decoding computation quantity by receiving a time and space-reduced image. An image separator(211) temporally separates an input image. A first encoder transmits parity by encoding a part of the separated input image. A down-sampler(214) spatially reduces the rest of the separated input image. A second encoder encodes and transmits the reduced image.
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公开(公告)号：KR100923855B1
公开(公告)日：2009-10-27
申请号：KR1020070123887
申请日：2007-11-30
Applicant: 한국전자통신연구원
IPC: H04N21/2343 , H04N19/40
Abstract: 본 발명은 콘텐츠 변환방법 및 장치에 관한 것으로서, 더욱 구체적으로는 ㅅ싱글레이어 AVC 비트스트림을 멀티레이어 SVC 비트스트림으로 변환하는 방법 및 장치에 관한 것이다.
본 발명의 H.264/AVC 비트스트림을 SVC 비트스트림으로 변환하는 방법은 입력 영상의 화면상관도 정보를 저장하는 단계, 및 상기 화면상관도 정보에 따라 입력 영상을 인코딩하는 단계를 포함 포함한다.
H.264/AVC(Advanced Video Coding), SVC(Scalable Video Codec).-
公开(公告)号：KR1020090057585A
公开(公告)日：2009-06-08
申请号：KR1020070124224
申请日：2007-12-03
Applicant: 한국전자통신연구원
IPC: H04N19/90
CPC classification number: H04N19/395 , H04N19/33 , H04N19/59
Abstract: A distributed video codec device using spatial reduction and enlargement, and a method thereof are provided to prevent degradation of a system with a reduced decoding computation quantity by receiving a time and space-reduced image. An image separator(211) temporally separates an input image. A first encoder transmits parity by encoding a part of the separated input image. A down-sampler(214) spatially reduces the rest of the separated input image. A second encoder encodes and transmits the reduced image.
Abstract translation: 提供一种使用空间缩小和放大的分布式视频编解码器装置及其方法，用于通过接收时间和空间缩小的图像来防止具有降低的解码计算量的系统的劣化。 图像分离器（211）在时间上分离输入图像。 第一编码器通过对分离的输入图像的一部分进行编码来发送奇偶校验。 下采样器（214）在空间上减少分离的输入图像的其余部分。 第二编码器对缩小图像进行编码和发送。
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