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公开(公告)号：KR1020120138712A
公开(公告)日：2012-12-26
申请号：KR1020120064634
申请日：2012-06-15
Applicant: 한국전자통신연구원 , 광운대학교 산학협력단
IPC: H04N19/30 , H04N19/105
CPC classification number: H04N19/503 , H04N19/103 , H04N19/11 , H04N19/176 , H04N19/187 , H04N19/30 , H04N19/33 , H04N19/36 , H04N19/59
Abstract: PURPOSE: A scalable video coding and decoding method and a device using the same are provided to supply various video services on a time, a space, or an image quality side according to a use purpose or various demands. CONSTITUTION: An encoding device and a decoding device determine whether inter layer prediction is applied to an enhanced layer(S1610). If the inter layer prediction is applied, the encoding device and the decoding device perform the prediction of a current layer of the enhanced layer based on reference information generated from a decoded reference picture of a reference layer(S1630). The encoding device and the decoding device restore or encode the current picture of the enhanced layer(S1640). [Reference numerals] (AA) Start; (BB) No; (CC) Yes; (DD) End; (S1610) Predicting an inter layer?; (S1620) Predicting in an enhanced layer; (S1630) Predicting based on a generalized reference picture or a generalized reference block generated from information of a reference layer; (S1640) Restoring a picture of the enhanced layer
Abstract translation: 目的：提供可扩展的视频编码和解码方法以及使用其的设备，以便根据用途或各种需求在时间，空间或图像质量方面提供各种视频服务。 构成：编码装置和解码装置确定层间预测是否应用于增强层（S1610）。 如果应用层间预测，则编码装置和解码装置基于从参考层的解码参考图像生成的参考信息来执行增强层的当前层的预测（S1630）。 编码装置和解码装置恢复或编码增强层的当前图像（S1640）。 （附图标记）（AA）开始; （BB）否 （CC）是; （DD）结束; （S1610）预测层间？ （S1620）在增强层中预测; （S1630）基于从参考层的信息生成的广义参考图像或广义参考块进行预测; （S1640）恢复增强层的图片
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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：KR1020110068429A
公开(公告)日：2011-06-22
申请号：KR1020090125386
申请日：2009-12-16
Applicant: 한국전자통신연구원
IPC: H04N17/00
CPC classification number: H04N17/004
Abstract: PURPOSE: A quality measuring system of several class images and system thereof are provided to evaluate the image quality of multiple layers based on a quality measuring result of each layer. CONSTITUTION: A bitstream extraction unit(110) separates an inputted multi-level image into a base layer bitstream and an enhanced layer bitstream. A base layer quality measuring unit(120) generates image quality measuring result information of a base layer image. An enhanced layer quality measuring unit(130) generates image quality measuring result information. An integrated quality evaluation unit(140) evaluates the effective quality of the several class images.
Abstract translation: 目的：提供几类图像及其系统的质量测量系统，以根据每层的质量测量结果评估多层图像质量。 构成：比特流提取单元（110）将输入的多级图像分离成基本层比特流和增强层比特流。 基层质量测量单元（120）生成基本层图像的图像质量测量结果信息。 增强层质量测量单元（130）生成图像质量测量结果信息。 综合质量评估单元（140）评估几类图像的有效质量。
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87.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：KR1020090075620A
公开(公告)日：2009-07-08
申请号：KR1020080122518
申请日：2008-12-04
Applicant: 한국전자통신연구원 , 광운대학교 산학협력단
IPC: H04N19/60 , H04N19/176
CPC classification number: H04N19/625 , H04N19/139 , H04N19/176
Abstract: An image encoder and a method thereof using a coordinate conversion of differential image for decoding the image are provided to encode input image efficiently by performing a DCT(Discrete Cosine Transform) by using a basis vector. An input image divider(510) divides an input image into a plurality of image blocks including a conversion object block. A pixel coordinates converter(550) converts the coordinate of a first pixel included in the conversion object block into the coordinates of the second pixel within the conversion object block. A coding unit encodes the conversion object block transformed of coordinate. The pixel coordinate conversion unit converts the coordinates of the first pixel in consideration of the direction of the base vector of the discrete cosine transform.
Abstract translation: 提供了一种使用用于解码图像的差分图像的坐标转换的图像编码器及其方法，通过使用基本矢量执行DCT（离散余弦变换）来有效地对输入图像进行编码。 输入图像分割器（510）将输入图像分割成包括转换对象块的多个图像块。 像素坐标转换器（550）将包括在转换对象块中的第一像素的坐标转换为转换对象块内的第二像素的坐标。 编码单元对转换的坐标系进行编码。 像素坐标转换单元考虑到离散余弦变换的基矢量的方向，来转换第一像素的坐标。
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公开(公告)号：KR1020080102027A
公开(公告)日：2008-11-24
申请号：KR1020070048302
申请日：2007-05-17
Applicant: 한국전자통신연구원 , 한양대학교 산학협력단 , 광운대학교 산학협력단 , 연세대학교 산학협력단
CPC classification number: H03M7/40 , G10L19/0017
Abstract: A lossless coding/decoding apparatus and method of audio signal are provided to improve the performance of an audio encoder by compressing audio signal into a bit string having a less bit number at the same coding distortion. A lossless encoding apparatus comprises a second encoder module(210) including a first encoder(230) directly encoding a first symbol and a plurality of second encoders(220) converting the first symbol into a second symbol and encoding the second symbol; a first selector(250) comparing the performance of the second encoders and the first encoder and outputting an encoding mode according to the comparison result; and a second selector(260) encoding the first symbol corresponding to the encoding mode and outputting the final bit string.
Abstract translation: 提供音频信号的无损编码/解码装置和方法，以通过将音频信号压缩成具有相同编码失真的位数较少的位串来提高音频编码器的性能。 无损编码装置包括第二编码器模块（210），其包括直接编码第一符号的第一编码器（230）和将第一符号转换为第二符号并对第二符号进行编码的多个第二编码器（220） 比较第二编码器和第一编码器的性能并根据比较结果输出编码模式的第一选择器（250） 以及编码对应于编码模式的第一符号并输出最终位串的第二选择器（260）。
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公开(公告)号：KR1020070038918A
公开(公告)日：2007-04-11
申请号：KR1020060097773
申请日：2006-10-09
Applicant: 한국전자통신연구원 , 광운대학교 산학협력단
IPC: H04N19/597 , H04N13/00
CPC classification number: H04N21/2365 , H04N21/21805 , H04N21/23424 , H04N21/2383 , H04N21/4122 , H04N21/4312 , H04N21/4314 , H04N21/43615 , H04N21/44016
Abstract: 본 발명은 다중 카메라 시스템에 관한 것으로, 다시점 비디오 스트림의 부호화/복호화 장치에서 자유로운 기본 설정 뷰를 처리할 수 있도록 하는 방법과 장치에 관한 것이다.
본 발명은 다시점 영상신호를 입력받아, 미리 설정되거나 사용자로부터 수신된 정보를 통해 설정된 기본설정 영상그룹 정보를 반영하여 인코딩하는 인코더; 미리 설정되거나 사용자로부터 수신된 정보를 통해 설정된 기본설정 영상그룹 정보를 상기 인코더로 제공하는 기본설정 영상그룹 선택부; 및 상기 인코딩된 영상신호를 다중화하고, 기본설정 영상그룹만을 순차적으로 출력하는 다중화부를 포함하는 다중 카메라 시스템의 부호화 장치를 개시한다.
기본 설정 뷰, 다중 비디오, 스테레오 영상 그룹, 인코딩, 디코딩
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