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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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公开(公告)号：KR1020110070687A
公开(公告)日：2011-06-24
申请号：KR1020100033283
申请日：2010-04-12
Applicant: 한국전자통신연구원
IPC: H04N19/137 , H04N19/60
CPC classification number: H04N19/30 , H04N19/13 , H04N19/172 , H04N19/176
Abstract: PURPOSE: An encoding apparatus and method capable of multi-dimensional conversion and quantization and a decoding apparatus and method are provided to apply integer-type quantization to a difference image which is converted twice. CONSTITUTION: A first differentiator(140) removes a prediction block created by inter prediction and creates a difference image. A converting unit(151) performs the multi-dimensional conversion of the difference image. A quantization unit(153) applies integer-type quantization to the multi-dimensionally converted difference image. An entropy coding unit(157) encodes and compresses the coefficient values of the re-aligned difference image.
Abstract translation: 目的：提供能够进行多维转换和量化的编码装置和方法以及解码装置和方法，以将整数类型量化应用于被转换两次的差分图像。 构成：第一微分器（140）去除由帧间预测产生的预测块并创建差分图像。 A转换单元（151）执行差分图像的多维转换。 量化单元（153）对多维转换的差分图像应用整数类型量化。 熵编码单元（157）对重新对准的差分图像的系数值进行编码和压缩。
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Patent Agency Ranking
公开(公告)号：KR1020110068900A
公开(公告)日：2011-06-22
申请号：KR1020100127547
申请日：2010-12-14
Applicant: 한국전자통신연구원
IPC: H04N19/117 , H04N19/126 , H04N19/154 , H04N19/129 , H04N19/13
CPC classification number: H04N19/117 , H04N19/124 , H04N19/126 , H04N19/129 , H04N19/13 , H04N19/154 , H04N19/86
Abstract: PURPOSE: An image encoding/decoding apparatus and method thereof are provided to increase image compression ratio and to adaptively perform de-blocking filtering of an input image. CONSTITUTION: A quantization unit(140) performs quantization about each of a plurality of blocks. A quantization determining unit(175) determines the kind of de-blocking target blocks. A de-blocking determination unit(180) determines a de-blocking filter. A de-blocking unit performs de-blocking filtering about a de-blocking object block by using the de-blocking filter.
Abstract translation: 目的：提供一种图像编码/解码装置及其方法，以增加图像压缩率并自适应地执行输入图像的去块滤波。 构成：量化单元（140）对于多个块中的每一个执行量化。 量化确定单元（175）确定解块目标块的种类。 解块确定单元（180）确定解块滤波器。 解块单元通过使用去块滤波器来执行解块对象块的去块滤波。
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197.发明公开
公开(公告)号：KR1020110015356A
公开(公告)日：2011-02-15
申请号：KR1020090128064
申请日：2009-12-21
Applicant: 한국전자통신연구원 , 광운대학교 산학협력단 , 경희대학교 산학협력단 , 한국과학기술원
Inventor： 임성창 , 이하현 , 정세윤 , 조숙희 , 최해철 , 김휘용 , 김종호 , 이진호 , 최진수 , 홍진우 , 심동규 , 오승준 , 박광훈 , 김문철 , 황능주 , 박시내
IPC: H04N19/60 , H04N19/176
CPC classification number: H04N19/122 , H04N19/107 , H04N19/11 , H04N19/119 , H04N19/12 , H04N19/124 , H04N19/13 , H04N19/139 , H04N19/14 , H04N19/159 , H04N19/176 , H04N19/18 , H04N19/182 , H04N19/44 , H04N19/50 , H04N19/52 , H04N19/55 , H04N19/593 , H04N19/60 , H04N19/615 , H04N19/625 , H04N19/91
Abstract: PURPOSE: A video encoding/decoding device using an adaptive conversion encoding/decoding region based on characteristic of a differential signal and a method thereof are provided not to include a boundary region signal inside a converting and encoding block, thereby increasing energy compaction of a signal after converting and encoding. CONSTITUTION: A signal divider(131) divides a differential signal of an image block into a non boundary area signal and a boundary area signal. A converting and encoding unit(133) performs a DCT(Discrete Cosine Transform) of the non boundary area signal. A quantization unit(135) quantizes the DCT-converted non-boundary area signal in a frequency domain. A spatial area quantization unit(137) quantizes the boundary area signal in a space area.
Abstract translation: 目的：提供一种使用基于差分信号的特性的自适应转换编码/解码区域的视频编码/解码装置及其方法，其不包括转换和编码块内的边界区域信号，从而增加信号的能量压缩 转换和编码后。 构成：信号分配器（131）将图像块的差分信号划分为非边界区域信号和边界区域信号。 转换和编码单元（133）执行非边界区域信号的DCT（离散余弦变换）。 量化单元（135）对频域中的DCT转换的非边界区域信号进行量化。 空间区域量化单元（137）对空间区域中的边界区域信号进行量化。
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公开(公告)号：KR1020100136907A
公开(公告)日：2010-12-29
申请号：KR1020100033226
申请日：2010-04-12
Applicant: 한국전자통신연구원
IPC: H04N7/24
CPC classification number: H04N19/119 , H04N19/117 , H04N19/147 , H04N19/176 , H04N19/61
Abstract: PURPOSE: A method and an apparatus for adaptive in-loop filtering to compensate an encoding mode for video encoding and decoding in consideration of an encoding mode of a region are provided to improve an encoding performance in consideration of an encoding mode for a region to which a filter is applied and minimize the overhead resulting from the consideration of the encoding mode. CONSTITUTION: A pixel of a restoration image from which block distortion is removed is compared with a set encoding mode(510). If the pixel corresponds to the encoding mode, a filter coefficient corresponding to the pixel is calculated(520). Based on the filter coefficient, an adaptive in-loop filtered recovery image is generated by performing a filtering operation for the restored image from which the block distortion is removed(530).
Abstract translation: 目的：提供一种考虑到区域的编码模式来补偿视频编码和解码的编码模式的自适应环路滤波的方法和装置，以便考虑到对于区域的编码模式来提高编码性能 应用滤波器并且最小化考虑编码模式导致的开销。 构成：将去除块失真的恢复图像的像素与设置的编码模式进行比较（510）。 如果像素对应于编码模式，则计算与像素对应的滤波器系数（520）。 基于滤波器系数，通过对从其中去除块失真的恢复图像执行滤波操作来生成自适应环路滤波的恢复图像（530）。
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公开(公告)号：KR1020100111836A
公开(公告)日：2010-10-18
申请号：KR1020090030239
申请日：2009-04-08
Applicant: 한국전자통신연구원
IPC: H04N19/147 , H04N19/11 , H04N19/51
CPC classification number: H04N19/103 , H04N19/13 , H04N19/176 , H04N19/567
Abstract: PURPOSE: A decoding/encoding method using a prediction offset and an apparatus thereof for improving the efficiency of a screen encode are provided to improve the compression rate of the image through bit rate reduction. CONSTITUTION: A rate distortion optimization unit(100) receives a message video data, the prediction mode and an offset. An intra estimator(110) uses the encoded ambience information of the current block and the predicted block is created to the prediction mode. An offset correction unit(140) generates the prediction block.
Abstract translation: 目的：提供使用预测偏移的解码/编码方法及其提高屏幕编码效率的装置，以通过比特率降低来提高图像的压缩率。 构成：速率失真优化单元（100）接收消息视频数据，预测模式和偏移量。 内部估计器（110）使用当前块的经编码的环境信息，并且将预测块创建为预测模式。 偏移校正单元（140）生成预测块。
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公开(公告)号：KR100943634B1
公开(公告)日：2010-02-24
申请号：KR1020080077470
申请日：2008-08-07
Applicant: 한국전자통신연구원
IPC: H04N13/00 , H04N21/236
Abstract: 본 발명의 깊이 정보의 계층적 부호화를 통한 자유 시점 비디오 콘텐츠 제공 방법은, 수신부를 통하여 영상 정보 및 깊이 정보를 수신하는 단계, 상기 수신된 깊이 정보에 대한 중요도를 판단하는 단계, 상기 판단 결과 상기 깊이 정보의 중요도에 따라, 상기 깊이 정보를 계층적으로 부호화하는 단계, 상기 계층적으로 부호화된 깊이 정보를 참조하여 상기 영상 정보를 부호화하는 단계 및 상기 부호화된 깊이 정보 및 상기 부호화된 영상 정보를 다중화 하는 단계를 포함한다.
스케일러블, 계층, 깊이 정보, 다시점 TV, 자유시점 TV
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