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公开(公告)号：KR1020140003164A
公开(公告)日：2014-01-09
申请号：KR1020120071016
申请日：2012-06-29
Applicant: 광운대학교 산학협력단
CPC classification number: H04N13/106 , H04N17/00 , H04N2013/0074
Abstract: The present invention relates to a method and a device for evaluating production qualities of stereoscopic images based on images of both eyes. The method for evaluating the production qualities of the stereoscopic images includes an image signal analyzing unit analyzing the production qualities of each image on both sides and three-dimensional effects before or after being damaged by receiving an image signal; a depth signal analyzing unit analyzing the production qualities and a damaged rate of a depth signal by receiving the depth signal; and a final quality analyzing unit analyzing the final production qualities of the stereoscopic images by using an analysis result of the image signal analyzing unit and the depth signal analyzing unit. [Reference numerals] (210) Image signal analyzing unit; (220) Depth signal analyzing unit; (230) Final quality analyzing unit
Abstract translation: 本发明涉及一种基于双眼图像来评价立体图像的生产质量的方法和装置。 用于评估立体图像的生产质量的方法包括图像信号分析单元，其分析两侧的每个图像的生产质量以及在通过接收图像信号而损坏之前或之后的三维效果; 深度信号分析单元，通过接收深度信号来分析深度信号的生产质量和损坏率; 以及通过使用图像信号分析单元和深度信号分析单元的分析结果来分析立体图像的最终生产质量的最终质量分析单元。 （附图标记）（210）图像信号分析单元; （220）深度信号分析单元; （230）最终质量分析单位
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公开(公告)号：KR1020130044189A
公开(公告)日：2013-05-02
申请号：KR1020120117076
申请日：2012-10-22
Applicant: 광운대학교 산학협력단
IPC: H04N19/597 , H04N19/30 , H04N13/00
CPC classification number: H04N19/593 , H04N19/597 , H04N19/91
Abstract: PURPOSE: A multiview video coding/decoding method and an apparatus thereof are provided to improve the motion vector prediction efficiency and the motion vector transmission efficiency by performing the motion information prediction based on the time difference information between the points and the motion information between the points. CONSTITUTION: A decoder receives an encoded prediction MV(Motion Vector) index and an encoded MV difference, and entropy decodes the prediction MV index and the MV difference(S910). The decoder extracts at least one of the prediction MV candidates and produces a prediction MV candidate group based on the extracted prediction MV candidate(S920). The decoder extracts an MV of current block based on the MV index, the MV difference, and the prediction MV candidate group(S930). [Reference numerals] (S910) Receive a prediction motion vector index and motion vector difference(or merge index) and decode; (S920) Generate a prediction motion vector candidate group(or merge candidate group); (S930) Extract motion information
Abstract translation: 目的：提供一种多视点视频编码/解码方法及其装置，用于通过基于点之间的时间差信息和点之间的运动信息执行运动信息预测来改善运动矢量预测效率和运动矢量传输效率 。 构成：解码器接收编码预测MV（运动矢量）索引和经编码的MV差异，熵解码预测MV指数和MV差（S910）。 解码器提取预测MV候选中的至少一个，并且基于提取的预测MV候选产生预测MV候选组（S920）。 解码器基于MV索引，MV差异和预测MV候选组提取当前块的MV（S930）。 （参考号）（S910）接收预测运动矢量索引和运动矢量差（或合并索引）并解码; （S920）生成预测运动矢量候选组（或合并候选组）; （S930）提取运动信息
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公开(公告)号：KR1020120138430A
公开(公告)日：2012-12-26
申请号：KR1020110057904
申请日：2011-06-15
Applicant: 광운대학교 산학협력단
CPC classification number: H04N19/30 , H04N19/105 , H04N19/124 , H04N19/13 , H04N19/176
Abstract: PURPOSE: A device for encoding a hierarchical intra prediction mode and a method thereof are provided to improve the whole video compression performance by efficiently transmitting the hierarchical intra prediction mode. CONSTITUTION: An entropy decoder(100) decodes an input bit stream. A de-quantization and inverse transform encoder(110) performs de-quantization and inverse transform for the decoded input bit stream. An intra prediction mode producer(120) decodes an intra prediction mode by using a hierarchical structure. An intra prediction decoder(130) restores an image by intra prediction. An inter prediction decoder(140) restores the image by inter prediction. [Reference numerals] (100) Entropy decoder; (110) De-quantization and inverse transform encoder; (120) Intra prediction mode producer; (130) Intra prediction decoder; (140) Inter prediction decoder; (150) Restoration image storage unit; (AA) Bit stream
Abstract translation: 目的：提供一种用于编码分级帧内预测模式的装置及其方法，以通过有效地发送分级帧内预测模式来提高整个视频压缩性能。 构成：熵解码器（100）解码输入比特流。 解量化和逆变换编码器（110）对解码的输入比特流进行去量化和逆变换。 帧内预测模式生成器（120）通过使用层次结构对帧内预测模式进行解码。 帧内预测解码器（130）通过帧内预测恢复图像。 帧间预测解码器（140）通过帧间预测恢复图像。 （附图标记）（100）熵解码器; （110）去量化和逆变换编码器; （120）内部预测模式生产者; （130）帧内预测解码器; （140）帧间预测解码器; （150）恢复图像存储单元; （AA）位流
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公开(公告)号：KR1020120008228A
公开(公告)日：2012-01-30
申请号：KR1020100068969
申请日：2010-07-16
Applicant: 광운대학교 산학협력단
IPC: H04N19/70 , H04N19/186
CPC classification number: H04N19/186 , H04N19/70
Abstract: PURPOSE: A device for encoding/decoding a moving picture using similarity between a color difference image and a brightness image and a method thereof are provided to support compression of an image with high quality and high definition. CONSTITUTION: A color difference image encoding unit(102) encodes a color different image from an input image. An image partitioning unit(106) provides partition information to a brightness image. A context information transfer unit(107) provides context information while the brightness image is encoded. A brightness image encoding unit(110) encodes the brightness image by information of the area partitioning unit and the context information transfer unit.
Abstract translation: 目的：提供使用色差图像和亮度图像之间的相似度对运动图像进行编码/解码的装置及其方法，以支持以高质量和高清晰度对图像进行压缩。 构成：色差图像编码单元（102）对来自输入图像的颜色不同的图像进行编码。 图像分割单元（106）向亮度图像提供分区信息。 上下文信息传送单元（107）在亮度图像被编码的同时提供上下文信息。 亮度图像编码单元（110）通过区域划分单元和上下文信息传送单元的信息对亮度图像进行编码。
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公开(公告)号：KR1020100087600A
公开(公告)日：2010-08-05
申请号：KR1020090006723
申请日：2009-01-28
Applicant: 삼성전자주식회사 , 광운대학교 산학협력단
IPC: H04N19/80
CPC classification number: H04N19/124 , H04N19/117 , H04N19/126 , H04N19/50 , H04N19/523 , H04N19/61
Abstract: 본발명은입력영상의특성을고려한보간필터를적응적으로사용하여, 영상을부호화및 복호화하는장치및 방법을제공한다. 이러한본 발명은, 입력영상블록의문맥정보를고려하여예측블록을생성하기위한보간필터를적응적으로선택하는선택기와, 상기문맥정보에대응하여다수의보간필터들을그룹별로저장하고있는필터뱅크와, 상기선택기의제어에따라상기필터뱅크로부터선택되어, 상기입력영상블록과관련된참조영상블록을보간하는특정보간필터를포함하는예측블록생성부를구비함을특징으로한다.
Abstract translation: 目的：提供一种自适应地使用内插滤波器以提高压缩性能的图像编码装置及其方法，以通过根据图像的特性应用所选择的内插滤波器来容易地去除时间冗余。 构成：考虑到一个或多个上下文信息，选择器（534）自适应地选择用于生成预测块的内插滤波器。 滤波器组（532）根据上下文信息存储插值滤波器。 从滤波器组中选择自适应内插滤波器（536）。 自适应插值滤波器内插与输入的图像块相关的参考图像块。
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Patent Agency Ranking
公开(公告)号：KR1020100052945A
公开(公告)日：2010-05-20
申请号：KR1020080111850
申请日：2008-11-11
Applicant: 삼성전자주식회사 , 광운대학교 산학협력단
IPC: H04N19/174 , H04N19/436
CPC classification number: H04N19/513 , H04N19/102 , H04N19/156 , H04N19/174 , H04N19/436 , H04N19/61
Abstract: PURPOSE: An apparatus for encoding and decoding video and a method therefor are provided, which encode or decode video through efficient slice division, and increase efficiency. CONSTITUTION: A slice dividing unit(60) partitions an inputted image into image slices of slice unit. An image encoding unit(70) encodes image slices. A bitstream generator(80) creates encoded image slices. According to a coded order of image slices, synchronization controller(90) performs parallel encoding of image slices by the control of encoders.
Abstract translation: 目的：提供一种用于编码和解码视频的装置及其方法，其通过有效的片分割对视频进行编码或解码，并提高效率。 构成：片分割单元（60）将输入的图像分割成片单元的图像片段。 图像编码单元（70）对图像切片进行编码。 比特流发生器（80）创建编码图像片段。 根据图像片段的编码顺序，同步控制器（90）通过编码器的控制执行图像片段的并行编码。
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公开(公告)号：WO2013077650A1
公开(公告)日：2013-05-30
申请号：PCT/KR2012/009938
申请日：2012-11-22
Applicant: 한국전자통신연구원
CPC classification number: H04N19/597 , H04N13/161
Abstract: 다시점 비디오 복호화 방법 및 장치가 개시된다. 다시점 비디오 복호화 방법은 현재 깊이 영상에 대한 양자화 정보를 수신하여 엔트로피 복호화하는 단계 및 상기 양자화 정보를 기반으로 상기 현재 깊이 영상의 양자화된 잔차 신호(quantized residual)를 획득하는 단계를 포함하며, 상기 양자화 정보는 상기 현재 깊이 영상에 대한 공간축 양자화(spatial quantization)의 수행 여부를 지시하는 플래그 정보를 포함한다.
Abstract translation: 本发明涉及用于解码多视点视频的方法和装置。 解码多视点视频的方法包括：接收当前深度图像的熵解码量化信息; 并根据量化信息获得当前深度图像的量化残差，其中量化信息包括提供关于是否对当前深度图像执行空间量化的指令的标志信息。
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公开(公告)号：KR1020130065962A
公开(公告)日：2013-06-20
申请号：KR1020110132586
申请日：2011-12-12
Applicant: 한국전자통신연구원
IPC: H04N19/11 , H04N19/593 , H04N13/00
CPC classification number: H04N19/597 , H04N19/103 , H04N2213/005
Abstract: PURPOSE: A depth map information encoding method and a device using the same are provided to encode depth map information based on encoding mode information used in encoding/decoding color image information. CONSTITUTION: An inter-screen prediction mode information used in a color image is provided (S200). It is determined whether an intra-screen prediction mode of a color image call block and an intra-screen prediction mode of a depth map image are the same (S210). If the two intra-screen prediction modes are the same, it is displayed that the two intra-screen prediction modes are the same (S220). If the two intra-screen prediction modes are not the same, the intra-screen prediction mode of the depth map image block is encoded (S230). [Reference numerals] (AA) Start; (BB) Finish; (S200) Color image is provided; (S210) Intra-screen prediction mode of color image is provided; (S220) Two intra-screen prediction mode of color image is provided; (S230) Depth map image block is encoded
Abstract translation: 目的：提供深度图信息编码方法和使用该深度图信息编码方法的装置，用于基于编码/解码彩色图像信息中使用的编码模式信息对深度图信息进行编码。 构成：提供彩色图像中使用的画面间预测模式信息（S200）。 确定深度图图像的彩色图像调用块的画面内预测模式和画面内预测模式是否相同（S210）。 如果两个画面内预测模式相同，则显示两个画面内预测模式相同（S220）。 如果两个画面内预测模式不相同，则深度图像块的画面内预测模式被编码（S230）。 （附图标记）（AA）开始; （BB）完成; （S200）提供彩色图像; （S210）提供彩色图像的画面内预测模式; （S220）提供彩色图像的两个画面内预测模式; （S230）对深度图图像块进行编码
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公开(公告)号：KR100919885B1
公开(公告)日：2009-09-30
申请号：KR1020070108021
申请日：2007-10-25
Applicant: 한국전자통신연구원
IPC: H04N19/30 , H04N19/105 , H04N13/00
CPC classification number: H04N21/64792 , H04N19/105 , H04N19/13 , H04N19/136 , H04N19/187 , H04N19/31 , H04N19/33 , H04N19/46 , H04N19/51 , H04N19/597 , H04N19/61 , H04N19/615 , H04N19/63 , H04N19/87
Abstract: 본 발명은 다시점 비디오를 다계층 공간 및 시간 스케일러블 코딩 기술을 이용해 압축 전송하여 다양한 형태의 비디오 단말기들에게 2차원 또는 3차원 비디오 서비스를 제공하기 위한 다시점 비디오의 스케일러블 코딩 및 디코딩 방법과 코딩 및 디코딩 장치에 관한 것으로, 하나의 기초 비디오에 대해 공간 필터링을 통해 다계층 해상도로 분리하고, 분리된 저해상도 영상 프레임 및 적어도 하나 이상의 고해상도 영상 프레임 각각에 대해 시공간 예측을 통해 스케일러블 비디오 코딩을 수행하는 기초 스케일러빌리티 비디오 인코더; 및 동일 시점에 촬영된 자신의 비디오와 참조 비디오로 적어도 하나 이상의 타 비디오를 입력받아, 공간 필터링을 통해 다계층 해상도로 분리하고, 분리된 저해상도 영상 프레임에 대해 자신의 인접 프레임뿐만 아니라 동일 시간 축에서 상기 타 비디오 프레임을 참조하여 시공간 예측을 통해 스케일러블 비디오 코딩을 수행하며, 분리된 적어도 하나 이상의 고해상도 영상 프레임에 대해 자신의 하위 계층뿐만 아니라 상기 타 비디오 프레임의 하위 계층을 참조하여 시공간 예측을 통해 스케일러블 비디오 코딩을 수행하는 복수의 확장된 스케일러빌리티 비디오 인코더를 포함한다.
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公开(公告)号：KR1020080037593A
公开(公告)日：2008-04-30
申请号：KR1020070108021
申请日：2007-10-25
Applicant: 한국전자통신연구원
IPC: H04N19/30 , H04N19/105 , H04N13/00
CPC classification number: H04N21/64792 , H04N19/105 , H04N19/13 , H04N19/136 , H04N19/187 , H04N19/31 , H04N19/33 , H04N19/46 , H04N19/51 , H04N19/597 , H04N19/61 , H04N19/615 , H04N19/63 , H04N19/87
Abstract: A multi-view video scalable coding and decoding methods, and apparatuses thereof are provided to offer various video services to terminals of various environments through intra-estimation in other resolutions of peripheral videos. A multi-view video scalable coding apparatus comprises a base scalability video encoder(21) and plural enlarged scalability video encoders(22-25). The base scalability video encoder divides one base video into multi-layer resolutions through spatial filtering, and performs a scalable video coding for the divided low resolution image frames and at least one high resolution image frame through space time estimation. The plural enlarged scalability video encoders receive and divide self video and at least one other video at the same time into multi-layer resolutions through the spatial filtering. The enlarged scalability video encoders perform a scalable video coding for the divided low resolution image frames through time space estimation, and perform the scalable video coding for the at least one divided high resolution image frames through time space estimation.
Abstract translation: 提供多视点视频可缩放编码和解码方法及其装置，通过周边视频的其他分辨率的估计，向各种环境的终端提供各种视频服务。 多视点视频可缩放编码装置包括基本可扩展性视频编码器（21）和多个扩展可扩展性视频编码器（22-25）。 基本可扩展性视频编码器通过空间滤波将一个基本视频划分为多层分辨率，并且通过空间时间估计对分割的低分辨率图像帧和至少一个高分辨率图像帧执行可缩放视频编码。 多个扩展的可扩展性视频编码器通过空间滤波将自身视频和至少一个其他视频同时接收和分割成多层分辨率。 扩大的可扩展性视频编码器通过时间空间估计对分割的低分辨率图像帧执行可缩放视频编码，并且通过时间空间估计对至少一个分割的高分辨率图像帧执行可分级视频编码。
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