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公开(公告)号：KR1020120088611A
公开(公告)日：2012-08-08
申请号：KR1020120010096
申请日：2012-01-31
Applicant: 한국전자통신연구원
IPC: H04N19/51 , H04N19/184
CPC classification number: H04N19/184 , H04N19/159 , H04N19/513
Abstract: PURPOSE: A video encoding/decoding method using a motion vector and a device thereof are provided to encode/decode an image using a cut motion vector. CONSTITUTION: A reference picture buffer(190) stores a reference picture. A motion compensation unit(112) generates a prediction block using the reference picture and a motion vector of the reference picture. The motion vector of the reference picture is cut with a predetermined dynamic range. The dynamic range is defined by a level of an image codec. The dynamic range is determined by a predetermined bit depth. The bit depth is defined by the level of the image codec.
Abstract translation: 目的：提供使用运动矢量的视频编码/解码方法及其装置，以使用切割运动矢量对图像进行编码/解码。 构成：参考图像缓冲器（190）存储参考图像。 运动补偿单元（112）使用参考图片和参考图片的运动矢量生成预测块。 以预定的动态范围切割参考图像的运动矢量。 动态范围由图像编解码器的级别定义。 动态范围由预定位深度确定。 位深度由图像编解码器的级别定义。
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公开(公告)号：KR1020120083260A
公开(公告)日：2012-07-25
申请号：KR1020120064503
申请日：2012-06-15
Applicant: 한국전자통신연구원
CPC classification number: H04H20/65 , H04N13/359
Abstract: PURPOSE: A method for transmitting a broadcasting signal is provided to automatically vary a decoding method and a parallax barrier according to a broadcasting mode. CONSTITUTION: If a broadcasting program is inputted, a broadcasting service device obtains the broadcasting mode information of the corresponding broadcasting program by the analysis of the broadcasting program inputted through the program scheduler(S101,S102). The broadcasting service device encoded stream(S103). The broadcasting service device generates transport stream through a multiplexer(S104).
Abstract translation: 目的：提供一种用于发送广播信号的方法，以根据广播模式自动改变解码方法和视差屏障。 构成：如果广播节目被输入，广播服务设备通过对通过节目调度器输入的广播节目的分析来获得相应广播节目的广播模式信息（S101，S102）。 广播服务设备编码流（S103）。 广播业务装置通过多路复用器生成传输流（S104）。
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公开(公告)号：KR1020120033289A
公开(公告)日：2012-04-06
申请号：KR1020110099197
申请日：2011-09-29
Applicant: 한국전자통신연구원 , 한밭대학교 산학협력단
IPC: H04N19/30 , H04N19/117
CPC classification number: H04N19/597 , H04N19/117 , H04N19/30 , H04N19/34 , H04N19/36 , H04N19/463 , H04N19/635 , H04N19/80 , H04N19/82 , H04N19/187 , H04N19/50 , H04N19/70
Abstract: PURPOSE: An image encoding/decoding method using filter information prediction and a device thereof are provided to reduce the quantity of transmission data. CONSTITUTION: An encoder and a decoder predict the filter information used for a target restoration image from a predetermined layer(S510). The encoder and the decoder filter the target restoration image by using the predicted filter information(S520). The filter information includes calculated filter information and/or predetermined filter information.
Abstract translation: 目的：提供一种使用滤波器信息预测的图像编码/解码方法及其装置，以减少发送数据量。 构成：编码器和解码器从预定层预测用于目标恢复图像的滤波器信息（S510）。 编码器和解码器通过使用预测的滤波器信息来过滤目标恢复图像（S520）。 滤波器信息包括计算的滤波器信息和/或预定滤波器信息。
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公开(公告)号：KR1020120033218A
公开(公告)日：2012-04-06
申请号：KR1020110022239
申请日：2011-03-14
Applicant: 한국전자통신연구원
IPC: H04N19/122 , H04N19/124 , H04N19/13 , H04N19/129 , H04N19/156 , H04N19/157
CPC classification number: H04N19/122 , H04N19/124 , H04N19/129 , H04N19/13 , H04N19/156 , H04N19/157
Abstract: PURPOSE: A method for determining an adaptive encoding/decoding target area and an apparatus thereof are provided to encode a part of an important area of a residual signal. CONSTITUTION: An encoding device generates transformation coefficient levels by transforming and quantizing a residual signal(S100). The encoding device determines a target encoding area with transformation coefficient levels to encode(S110). The encoding device scans the transformation coefficient levels in the target encoding area(S120). The encoding device performs entropy encoding for the scanned transformation coefficient levels(S130).
Abstract translation: 目的：提供一种用于确定自适应编码/解码目标区域的方法及其装置，以对剩余信号的重要区域的一部分进行编码。 构成：编码装置通过变换和量化残差信号来生成变换系数电平（S100）。 编码装置确定具有变换系数电平的目标编码区域进行编码（S110）。 编码装置扫描目标编码区域中的变换系数电平（S120）。 编码装置对所扫描的变换系数电平进行熵编码（S130）。
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公开(公告)号：KR1020120016989A
公开(公告)日：2012-02-27
申请号：KR1020110050852
申请日：2011-05-27
Applicant: 한국전자통신연구원
IPC: H04N7/24
CPC classification number: H04N19/124 , H04N19/119 , H04N19/14 , H04N19/176 , H04N19/196 , H04N19/33 , H04N19/463 , H04N19/70
Abstract: PURPOSE: An image encoding and decoding method and a device thereof are provided to adaptively set a quantization parameter according to unit information of an encoding target unit, thereby efficiently performing quantization, de-blocking filtering, entropy encoding/decoding, motion prediction, rate control, and rate-distortion optimization. CONSTITUTION: An encoder encodes unit information of an encoding target unit(110). A quantization parameter determining unit determines the quantization parameter of the encoding target unit based on the unit information of the encoding target unit(120). The encoder performs entropy encoding in one of a sequence parameter set, a picture parameter set, and a slice header.
Abstract translation: 目的：提供一种图像编码和解码方法及其装置，以根据编码目标单元的单位信息自适应地设置量化参数，从而有效地执行量化，去块滤波，熵编码/解码，运动预测，速率控制 和速率失真优化。 构成：编码器对编码对象单元（110）的单位信息进行编码。 量化参数确定单元基于编码目标单元（120）的单位信息来确定编码目标单元的量化参数。 编码器在序列参数集，图像参数集和片头之一中执行熵编码。
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Patent Agency Ranking
公开(公告)号：KR1020120016986A
公开(公告)日：2012-02-27
申请号：KR1020110025572
申请日：2011-03-22
Applicant: 한국전자통신연구원
IPC: H04N7/24
CPC classification number: H04N19/124 , H04N19/119 , H04N19/14 , H04N19/176 , H04N19/196 , H04N19/33 , H04N19/463 , H04N19/70
Abstract: PURPOSE: An image encoding and decoding method and a device thereof are provided to efficiently perform quantization, de-blocking filtering, entropy encoding/decoding, motion prediction, rate control, and rate-distortion optimization, thereby increasing encoding and decoding performance. CONSTITUTION: An encoding unit encodes unit information of an encoding target unit(110). A quantization parameter determining unit determines a quantization parameter of an encoding target unit based on unit information of the encoding target unit. A remaining quantization parameter determining unit determines a remaining quantization parameter based on a predicted quantization parameter and the quantization parameter of the encoding target unit. The encoding unit encodes the determined remaining quantization parameter(130).
Abstract translation: 目的：提供图像编码和解码方法及其装置，以有效地执行量化，去块滤波，熵编码/解码，运动预测，速率控制和速率失真优化，从而增加编码和解码性能。 构成：编码单元对编码对象单元（110）的单位信息进行编码。 量化参数确定单元基于编码目标单元的单位信息来确定编码目标单元的量化参数。 剩余量化参数确定单元基于预测量化参数和编码目标单元的量化参数来确定剩余量化参数。 编码单元对所确定的剩余量化参数进行编码（130）。
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公开(公告)号：KR1020120005927A
公开(公告)日：2012-01-17
申请号：KR1020100132961
申请日：2010-12-23
Applicant: 한국전자통신연구원 , 고려대학교 산학협력단
IPC: H04N19/105 , H04N19/176 , H04N19/573 , H04N19/11 , H04N19/117
CPC classification number: G06T9/004 , H04N19/105 , H04N19/137 , H04N19/154 , H04N19/176 , H04N19/19 , H04N19/51 , H04N19/593 , H04N19/11 , H04N19/117 , H04N19/20 , H04N19/50 , H04N19/573
Abstract: PURPOSE: A method and a device for encoding and decoding an image by using template matching are provided to simplify the determining process of the matching target area by using the template of a decoding target block and the template of an encoding target block. CONSTITUTION: An image encoding device determines the template of an encoded object block(110). The image encoder determines a matching search target image about the determined template(120). Using the usage of template and the matching search target image, the image encoding device determines an optimal prediction block(130). Using the usage of the encoded object block and the predicted block, the image encoding deice generates a residual block(140).
Abstract translation: 目的：提供一种通过使用模板匹配对图像进行编码和解码的方法和装置，以通过使用解码目标块的模板和编码对象块的模板简化匹配对象区域的确定处理。 构成：图像编码装置确定编码对象块（110）的模板。 图像编码器确定关于所确定的模板的匹配搜索目标图像（120）。 使用模板的使用和匹配的搜索目标图像，图像编码装置确定最佳预测块（130）。 使用编码对象块和预测块的使用，图像编码器生成残余块（140）。
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公开(公告)号：KR1020110095119A
公开(公告)日：2011-08-24
申请号：KR1020100124368
申请日：2010-12-07
Applicant: 한국전자통신연구원 , 경희대학교 산학협력단
IPC: H04N19/13 , H04N19/119 , H04N19/11 , H04N19/139 , H04N19/105 , H04N19/124
CPC classification number: H04N19/169 , H04N19/11 , H04N19/147 , H04N19/176 , H04N19/593 , H04N19/105 , H04N19/119 , H04N19/124 , H04N19/13 , H04N19/137 , H04N19/139 , H04N19/189 , H04N19/19
Abstract: PURPOSE: An apparatus and method for encoding and decoding an ultra high definition resolution image are provided to reduce the calculation complexity by outputting a bitstream using an estimation block of a current block. CONSTITUTION: A prediction unit(810) creates the estimation block of a current block based on a reference image. A subtracting unit creates the difference block through a difference between the estimation block and the current block. An encoding information generating unit(850) creates the encoding information which shows the encoding state of the differential block.
Abstract translation: 目的：提供一种用于对超高分辨率分辨率图像进行编码和解码的装置和方法，以通过使用当前块的估计块输出比特流来降低计算复杂度。 构成：预测单元（810）基于参考图像创建当前块的估计块。 减法单元通过估计块和当前块之间的差产生差分块。 编码信息生成单元（850）创建表示差分块的编码状态的编码信息。
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公开(公告)号：KR1020110073263A
公开(公告)日：2011-06-29
申请号：KR1020100124451
申请日：2010-12-07
Applicant: 한국전자통신연구원 , 광운대학교 산학협력단
IPC: H04N19/11 , H04N19/105
CPC classification number: H04N19/11 , H04N19/105 , H04N19/176
Abstract: PURPOSE: An intra prediction encoding and decoding method and an intra prediction encoding and decoding apparatus implementing the method are provided to reduce overhead related to mode bit with the selection of a prediction mode through peripheral blocks. CONSTITUTION: A first intra prediction unit(111) respectively calculates the degree of pixel correlation by intra prediction direction between a macroblock and the peripheral blocks of the macroblock. A second intra prediction unit(113) performs the intra prediction of the macroblock with the mode information of the peripheral block in the upper part of the macro block. A third intra prediction unit(115) performs the intra prediction of the brightness component of a current picture. A mode selection unit(117) selects an optimal intra prediction mode.
Abstract translation: 目的：提供实现该方法的帧内预测编码和解码方法以及帧内预测编码和解码装置，通过周边块选择预测模式来减少与模式比特相关的开销。 构成：第一帧内预测单元（111）分别通过宏块与宏块的外围块之间的帧内预测方向分别计算像素相关度。 第二帧内预测单元（113）利用宏块的上部的周边块的模式信息来执行宏块的帧内预测。 第三帧内预测单元（115）对当前图像的亮度分量进行帧内预测。 模式选择单元（117）选择最佳帧内预测模式。
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公开(公告)号：KR1020110073154A
公开(公告)日：2011-06-29
申请号：KR1020100014618
申请日：2010-02-18
Applicant: 한국전자통신연구원
IPC: H04N19/51 , H04N19/86 , H04N19/176
CPC classification number: H04N19/46 , H04N19/105 , H04N19/124 , H04N19/159 , H04N19/176 , H04N19/86
Abstract: PURPOSE: An image encoding/decoding apparatus and method are provided to eliminate the use of a memory area necessary to deblocking filtering. CONSTITUTION: If bit stream for the compression of video data is outputted on the basis of the block video information of the video data and the differential signal of the video information, a reverse processing unit(107~109) performs the reverse transformation and reverse quantization of the video information and the addition of the differential signal. A deblocking filler(110) performs the deblocking of the added video information. A reference video buffer(111) stores the video information deblocked by the deblocking filler. One or more prediction units(101,112) performs the video prediction of the video information using the deblocked video information stored in the reference video buffer.
Abstract translation: 目的：提供一种图像编码/解码装置和方法，以消除对去块滤波所需的存储区域的使用。 构成：如果根据视频数据的块视频信息和视频信息的差分信号输出用于压缩视频数据的比特流，则反向处理单元（107〜109）进行逆变换和反向量化 的视频信息和差分信号的添加。 去块填充物（110）执行所添加的视频信息的去块。 参考视频缓冲器（111）存储由去块填充物解封的视频信息。 一个或多个预测单元（101,112）使用存储在参考视频缓冲器中的去块视频信息来执行视频信息的视频预测。
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