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公开(公告)号：KR1020130110125A
公开(公告)日：2013-10-08
申请号：KR1020130109451
申请日：2013-09-12
Applicant: 한국전자통신연구원
IPC: H04N19/59
CPC classification number: H04N19/107 , H04N19/105 , H04N19/109 , H04N19/11 , H04N19/13 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/1887 , H04N19/196 , H04N19/50 , H04N19/52 , H04N19/521 , H04N19/593 , H04N19/61 , H04N19/70 , H04N19/91
Abstract: PURPOSE: An intra-prediction mode encoding/decoding method and a computer-readable medium thereof are provided to improve image encoding/decoding efficiency. CONSTITUTION: An intra-prediction mode encoding/decoding method comprises the following steps of: determining an intra-prediction mode for an encoded object unit (S410); extracting the surrounding prediction mode information from a left-side surrounding prediction mode and an upper-side surrounding prediction mode on the upper side (S420); and encoding the intra-prediction mode for the encoded object unit by using the extracted surrounding mode information (S430). The left-side surrounding prediction mode is the intra-prediction mode of a left-side surrounding unit which is contiguous with the left side of the encoded object unit; the upper-side surrounding mode is the intra-prediction mode of an upper side unit which is contiguous with the upper end of the encoded object unit; and the surrounding prediction mode information comprises the mode numbers of the left-side surrounding prediction mode and of the upper-side surrounding prediction mode. [Reference numerals] (S410) Determine an intra prediction mode; (S420) Extract information about a surrounding prediction mode; (S430) Encode the intra prediction mode by using the surrounding prediction mode
Abstract translation: 目的：提供帧内预测模式编码/解码方法及其计算机可读介质，以提高图像编码/解码效率。 构成：帧内预测模式编码/解码方法包括以下步骤：确定编码对象单元的帧内预测模式（S410）; 从上侧的左侧周围预测模式和上侧周围预测模式提取周围预测模式信息（S420）; 以及通过使用所提取的周围模式信息对编码对象单元的帧内预测模式进行编码（S430）。 左侧周围预测模式是与编码对象单元的左侧邻接的左侧围绕单元的帧内预测模式; 上侧周围模式是与编码对象单元的上端连续的上侧单元的帧内预测模式; 并且周围预测模式信息包括左侧周围预测模式和上侧周围预测模式的模式编号。 （参考号）（S410）确定帧内预测模式; （S420）提取周围预测模式的信息; （S430）使用周围的预测模式对帧内预测模式进行编码
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公开(公告)号：KR1020130107615A
公开(公告)日：2013-10-02
申请号：KR1020120029534
申请日：2012-03-22
Applicant: 한국전자통신연구원
CPC classification number: H04N19/597
Abstract: PURPOSE: Three dimension video coding rate control method and a device using the same can control encoding rates of left and right images and perform 3D encoding. CONSTITUTION: An encoding rate setting unit sets up encoding rates of a first image encoding rate and a second image encoding rate. A multiple-image encoding unit (300) encodes the encoding rate of the first image and the encoding rate of the second image with the different encoding rates set up by the encoding rate setting unit. A target bit rate setting unit sets up a total encoding rate of the first and the second images. A first determining unit (320) determines whether a current image being encoded is the first image or the second image. The first determining unit performs encoding with different encoding rates depending on images. A second determining unit (340) sets up a new encoding rate for encoding the first image and the second image. [Reference numerals] (300) Multiple-image encoding unit; (320) First determining unit; (340) Second determining unit
Abstract translation: 目的：三维视频编码率控制方法和使用该方法的设备可以控制左右图像的编码率，并进行三维编码。 构成：编码率设定单元设定第一图像编码率和第二图像编码率的编码率。 多图像编码单元（300）以由编码率设置单元设置的不同编码率对第一图像的编码率和第二图像的编码率进行编码。 目标比特率设置单元设置第一和第二图像的总编码率。 第一确定单元（320）确定正被编码的当前图像是第一图像还是第二图像。 第一确定单元根据图像执行具有不同编码速率的编码。 第二确定单元（340）设置用于编码第一图像和第二图像的新编码率。 （附图标记）（300）多图像编码单元; （320）第一确定单元; （340）第二确定单元
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公开(公告)号：KR1020130106341A
公开(公告)日：2013-09-27
申请号：KR1020130109458
申请日：2013-09-12
Applicant: 한국전자통신연구원
IPC: H04N19/117 , H04N19/157 , H04N19/11 , H04N19/105 , H04N19/13 , H04N19/82
CPC classification number: H04N19/593 , H04N19/105 , H04N19/117 , H04N19/136 , H04N19/147 , H04N19/157 , H04N19/176 , H04N19/182 , H04N19/44 , H04N19/82 , H04N19/11 , H04N19/13
Abstract: PURPOSE: An image decoding method for intra-prediction using an adaptive filter and a computer-readable recording medium are provided to implement the intra-prediction with applying the adaptive filter to a predicted block and a peripheral pixel value when encoding an image. CONSTITUTION: A method for implementing intra-prediction using an adaptive filter includes: a step (201) of determining whether or not applying the filter to a referential pixel value; a step (202) of applying the filter to the referential pixel value according to the determination of applying the filter to the referential pixel value; a step (S203) of implementing the intra-prediction based on applying the filter to the referential pixel value; a step (S204) of determining whether or not applying the filter to a prediction value by each prediction mode; and a step (S205) of applying the filter to the prediction value according to the determination of applying the filter to the prediction value. [Reference numerals] (AA) Start; (BB) End; (S201) Determine whether or not applying the filter (a referential pixel value); (S202) Apply the filter (a referential pixel value); (S203) Implement the intra-prediction; (S204) Determine whether or not applying the filter (a block prediction value); (S205) Apply the filter (a block prediction value)
Abstract translation: 目的：提供一种使用自适应滤波器和计算机可读记录介质进行帧内预测的图像解码方法，以在对图像进行编码时，对自适应滤波器应用于预测块和周边像素值来实现帧内预测。 构成：使用自适应滤波器实现帧内预测的方法包括：确定是否将滤波器应用于参考像素值的步骤（201） 根据将滤波器应用于参考像素值的确定，将滤波器应用于参考像素值的步骤（202）; 基于将滤波器应用于参考像素值来实现帧内预测的步骤（S203）; 通过每个预测模式确定是否将滤波器应用于预测值的步骤（S204）; 以及根据将滤波器应用于预测值的判定，将滤波器应用于预测值的步骤（S205）。 （附图标记）（AA）开始; （BB）结束; （S201）确定是否应用滤波器（参考像素值）; （S202）应用滤波器（参考像素值）; （S203）实现帧内预测; （S204）确定是否应用滤波器（块预测值）; （S205）应用滤波器（块预测值）
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公开(公告)号：KR1020130093057A
公开(公告)日：2013-08-21
申请号：KR1020130082552
申请日：2013-07-15
Applicant: 한국전자통신연구원
CPC classification number: H04N19/00733 , H04N19/426 , H04N19/44 , H04N19/513 , H04N19/61
Abstract: PURPOSE: An image decoding method using a motion vector and a storage media capable of being decoded by a computer are provided to reduce the size of memory space needed for storage of the motion vector. CONSTITUTION: A decoder cuts a motion vector of a reference picture with a predetermined dynamic range (S1510). The decoder stores the motion vector which is cut in a buffer (S1520). The decoder deducts the motion vector of a decoding object block by using the stored motion vector (S1530). The decoder performs inter prediction decoding of the decoding object block by using the motion vector of the decoding object block (S1540). [Reference numerals] (S1510) Cut a motion vector of a reference picture; (S1520) Store a cut motion vector; (S1530) Deduct a motion vector of a decoding object block; (S1540) Perform inter prediction decoding
Abstract translation: 目的：提供使用能够由计算机解码的运动矢量和存储介质的图像解码方法，以减小存储运动矢量所需的存储空间的大小。 构成：解码器以预定动态范围切割参考图像的运动矢量（S1510）。 解码器存储在缓冲器中切割的运动矢量（S1520）。 解码器通过使用存储的运动矢量来减去解码对象块的运动矢量（S1530）。 解码器通过使用解码对象块的运动矢量对解码对象块进行帧间预测解码（S1540）。 （参考标号）（S1510）剪切参考画面的运动矢量; （S1520）存储剪切运动矢量; （S1530）扣除解码对象块的运动矢量; （S1540）进行帧间预测解码
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公开(公告)号：KR1020130093053A
公开(公告)日：2013-08-21
申请号：KR1020130078940
申请日：2013-07-05
Applicant: 한국전자통신연구원
CPC classification number: H04N19/105 , H04N19/11 , H04N19/157 , H04N19/176 , H04N19/46 , H04N19/503 , H04N19/593
Abstract: PURPOSE: An adaptive image decoding method and a recoding medium capable of being decoded with a computer are provided to determine an intra prediction mode of a decoding object block by using one or reference blocks previously restored and to decode the decoding object block based on the determined intra prediction mode. CONSTITUTION: A decoder determines an intra prediction mode of a decoding object block based on the intra prediction mode which a previously restored reference block includes (S120). The decoder performs decoding on the decoding object block based on the determined intra prediction mode (S140). The reference block is one of the blocks which are nearest to the decoding object block in a current image. [Reference numerals] (AA) Start; (BB) End; (S110) Determine a reference block; (S120) Determine a decoding parameter of a reference block; (S130) Determine the property of a reference block; (S140) Decoding a decoding object block
Abstract translation: 目的：提供一种能够用计算机解码的自适应图像解码方法和记录介质，以通过使用先前恢复的一个或参考块来确定解码对象块的帧内预测模式，并且基于所确定的解码对象块来解码解码对象块 帧内预测模式。 构成：解码器基于先前恢复的参考块包括的帧内预测模式来确定解码对象块的帧内预测模式（S120）。 解码器基于所确定的帧内预测模式对解码对象块执行解码（S140）。 参考块是当前图像中最接近解码对象块的块之一。 （附图标记）（AA）开始; （BB）结束; （S110）确定参考块; （S120）确定参考块的解码参数; （S130）确定参考块的属性; （S140）对解码对象块进行解码
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Patent Agency Ranking
公开(公告)号：KR1020130088098A
公开(公告)日：2013-08-07
申请号：KR1020130075267
申请日：2013-06-28
Applicant: 한국전자통신연구원 , 경희대학교 산학협력단
IPC: H04N19/50
CPC classification number: H04N19/00587 , H04N19/46 , H04N19/463 , H04N19/52 , H04N19/56 , H04N19/61 , H04N19/70
Abstract: PURPOSE: A video information encoding method and a computer-readable recording medium are provided to infer the motion information of current block by using a decoding unit or the partition information of a prediction unit, thereby lowering the complexity of the video compression processing. CONSTITUTION: An encoder obtains the motion information of peripheral block from the peripheral block of current block, and determines the motion information of the current block based on the obtained motion information (S2010). The encoder entropy encodes the information about the prediction result (S2020). The encoder transmits the entropy encoded information to a decoder through the bit stream (S2030). The encoder transmits the information which is necessary for the prediction of the current block together when transmitting the entropy encoded information. [Reference numerals] (S2010) Prediction performance; (S2020) Entropy encoding; (S2030) Information transmission
Abstract translation: 目的：提供视频信息编码方法和计算机可读记录介质，以通过使用解码单元或预测单元的分区信息来推断当前块的运动信息，从而降低视频压缩处理的复杂度。 构成：编码器从当前块的外围块获取周边块的运动信息，并根据获得的运动信息确定当前块的运动信息（S2010）。 编码器对关于预测结果的信息进行熵编码（S2020）。 编码器通过比特流将熵编码信息发送到解码器（S2030）。 当发送熵编码信息时，编码器将当前块的预测所需的信息一起发送。 （附图标记）（S2010）预测性能; （S2020）熵编码; （S2030）信息传输
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公开(公告)号：KR1020130088097A
公开(公告)日：2013-08-07
申请号：KR1020130075265
申请日：2013-06-28
Applicant: 한국전자통신연구원 , 경희대학교 산학협력단
IPC: H04N19/50
CPC classification number: H04N19/00587 , H04N19/46 , H04N19/463 , H04N19/52 , H04N19/56 , H04N19/61 , H04N19/70
Abstract: PURPOSE: A video information encoding apparatus is provided to improve the compression performance of the video information and is provided to reduce the amount of transmission of the information. CONSTITUTION: Prediction units (110,115,120) obtain the motion information of peripheral block from the peripheral block of the current block. Based on the obtained motion information, the prediction units determine the motion information of the current block and perform the prediction about the current block. Entropy encoding unit (140) entropy encodes a merge index which is able to infer the motion information of the current block. If the peripheral block is not included in the encoding unit which is same as the current block, the prediction unit does not use the motion information of the peripheral block as the merge candidate of the current block. [Reference numerals] (110) Motion prediction unit; (115) Motion compensation unit; (120) Intra prediction unit; (130) Conversion unit; (135) Quantization unit; (140) Entropy encoding unit; (145) Inverse quantization unit; (150) Inversion unit; (160) Filter unit; (165) Reference image buffer; (AA) Input image; (BB) Inter; (CC) Intra; (DD) Bit stream
Abstract translation: 目的：提供视频信息编码装置，以提高视频信息的压缩性能，并提供信息的传输量。 构成：预测单元（110,115,120）从当前块的外围块获取外围块的运动信息。 基于获得的运动信息，预测单元确定当前块的运动信息，并执行关于当前块的预测。 熵编码单元（140）熵编码能够推断当前块的运动信息的合并索引。 如果外围块不包括在与当前块相同的编码单元中，则预测单元不使用外围块的运动信息作为当前块的合并候选。 （附图标记）（110）运动预测单元; （115）运动补偿单元; （120）内部预测单元; （130）转换单位; （135）量化单元; （140）熵编码单元; （145）反量化单元; （150）反转单位; （160）过滤单元; （165）参考图像缓冲区; （AA）输入图像; （BB）国际; （CC）内 （DD）位流
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公开(公告)号：KR1020130086593A
公开(公告)日：2013-08-02
申请号：KR1020130083735
申请日：2013-07-16
CPC classification number: H04N19/44 , H04N19/18 , H04N19/46 , H04N19/593 , H04N19/60 , H04N19/64 , H04N19/70
Abstract: PURPOSE: An image decoding method using a quad tree and storage media which are readable using a computer are provided to decode total code block flag information in a conversion stage and to decode division information flag based on total code block flag information and the size information in the conversion stage. CONSTITUTION: An image decoder decodes pattern information based on conversion stage information combination flag information (S1200). The image decoder decodes a code block flag or division information flag information corresponding to the pattern based on the pattern information decoded (S1210). [Reference numerals] (AA) Start; (BB) End; (S1200) Decode pattern information based on a conversion stage information combination flag information in a conversion stage; (S1210) Decode a code block flag or division information flag information corresponding to the pattern based on the decoded pattern information
Abstract translation: 目的：提供一种使用计算机可读取的四叉树和存储介质的图像解码方法，用于对转换阶段的总代码块标志信息进行解码，并根据总代码块标志信息和大小信息解码分割信息标志 转换阶段。 构成：图像解码器基于转换级信息组合标志信息来解码图案信息（S1200）。 图像解码器基于解码的图案信息解码对应于图案的码块标志或分割信息标志信息（S1210）。 （附图标记）（AA）开始; （BB）结束; （S1200）基于转换级中的转换级信息组合标志信息解码模式信息; （S1210）基于解码图案信息对与图案对应的码块标志或分割信息标志信息进行解码
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公开(公告)号：KR1020130084286A
公开(公告)日：2013-07-24
申请号：KR1020130082551
申请日：2013-07-15
Applicant: 한국전자통신연구원
CPC classification number: H04N19/00733 , H04N19/426 , H04N19/44 , H04N19/513 , H04N19/61
Abstract: PURPOSE: A video encoding apparatus using a motion vector is provided to encode and decode a video using a motion vector. CONSTITUTION: A reference picture buffer (190) stores a reference picture. A motion compensation unit (112) generates a prediction block using a motion vector of the reference picture. The motion vector of the reference picture is cut in a predetermined range. The motion vector of the reference picture is stored by a predetermined block. [Reference numerals] (111) Motion prediction unit; (112) Motion compensation unit; (120) Intra prediction unit; (130) Conversion unit; (140) Quantization unit; (150) Entropy encoding unit; (160) Reverse quantization unit; (170) Reverse conversion unit; (180) Filter unit; (190) Reference picture buffer; (AA) Input image; (BB) Bit stream; (CC) Inter; (DD) Intra
Abstract translation: 目的：提供使用运动矢量的视频编码装置，以使用运动矢量对视频进行编码和解码。 构成：参考图像缓冲器（190）存储参考图像。 运动补偿单元（112）使用参考图像的运动矢量生成预测块。 将参考图像的运动矢量切割成预定范围。 参考图像的运动矢量由预定块存储。 （附图标记）（111）运动预测单元; （112）运动补偿单元; （120）内部预测单元; （130）转换单位; （140）量化单元; （150）熵编码单元; （160）反向量化单元; （170）反转换单元; （180）过滤单元; （190）参考图像缓冲器; （AA）输入图像; （BB）比特流; （CC）国际 （DD）内
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公开(公告)号：KR101277093B1
公开(公告)日：2013-06-20
申请号：KR1020120077423
申请日：2012-07-16
Applicant: 한국전자통신연구원
IPC: H04N7/24
Abstract: 적응적 비트 심도 감소를 통한 부호화와 복호화 방법 및 그 장치가 제공된다. 입력 신호의 비트 심도(bit depth)를 감소시킬 것인지 판단하는 비트 심도 조정부, 상기 비트 심도를 감소시킬 것으로 판단한 경우, 상기 입력 신호의 비트 심도를 감소시키는 비트 심도 감소부, 상기 입력 신호를 양자화하는 비트 심도 양자화부, 및 상기 입력 신호의 비트 심도를 증가시키는 비트 심도 증가부를 포함하는 부호화 장치가 개시된다.
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