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    • 3. 发明申请
    • INTRA-PREDICTION ENCODING/DECODING APPARATUS AND METHOD FOR OMITTING THE TRANSMISSION OF PREDICTION MODE INFORMATION USING CHARACTERISTICS OF REFERENCE PIXELS
    • 使用参考像素特性来预测传输预测模式信息的内部预测编码/解码装置和方法
    • WO2012033343A3
    • 2012-05-31
    • PCT/KR2011006625
    • 2011-09-07
    • SK TELECOM CO LTDSONG JINHANLIM JEONGYEONJUNG TAE YOUNGLEE HYUKJEONG JECHANG
    • SONG JINHANLIM JEONGYEONJUNG TAE YOUNGLEE HYUKJEONG JECHANG
    • H04N7/34
    • H04N19/00569H04N19/11H04N19/14H04N19/176H04N19/46H04N19/593
    • Disclosed are an intra-prediction encoding/decoding apparatus and a method for omitting the transmission of prediction mode information using characteristics of reference pixels. The intra-prediction encoding apparatus according to one embodiment of the present invention comprises: a characteristic information calculation unit, which selects at least one of the reference pixels close to the current block to be encoded so as to calculate characteristic information on a direction; a comparison unit comparing the characteristic information on the direction calculated by the characteristic information calculation unit with a predetermined reference value; a prediction mode determination unit determining a prediction mode of the current block as a mode corresponding to the selected reference pixel, when a result of the comparison by the comparison unit meets a predetermined condition; and an encoding unit encoding a residual value between the current block and prediction block according to a determined mode, if the result of the comparison meets the predetermined condition, and omitting encoding mode information on the determined mode.
    • 公开了使用参考像素的特性来省略预测模式信息的发送的帧内预测编码/解码装置和方法。 根据本发明的一个实施例的帧内预测编码装置包括:特征信息计算单元,其选择接近当前要编码的块的参考像素中的至少一个,以计算方向上的特征信息; 比较单元,将由特征信息计算单元计算的方向的特征信息与预定参考值进行比较; 当比较单元的比较结果满足预定条件时,预测模式确定单元确定当前块的预测模式作为与所选择的参考像素相对应的模式; 以及编码单元,如果比较结果满足预定条件,则根据确定的模式来编码当前块和预测块之间的残差,并且省略关于所确定的模式的编码模式信息。
    • 4. 发明申请
    • METHOD AND APPARATUS FOR VIDEO ENCODING/DECODING OF ENCODING/DECODING BLOCK FILTER INFORMATION ON THE BASIS OF A QUADTREE
    • 视频编码/解码编码/解码块滤波器信息的方法和装置
    • WO2012057518A2
    • 2012-05-03
    • PCT/KR2011008024
    • 2011-10-26
    • SK TELECOM CO LTDSONG JINHANLIM JEONGYEONJUNG TAE YOUNGKIM TAE HOJEONG JECHANG
    • SONG JINHANLIM JEONGYEONJUNG TAE YOUNGKIM TAE HOJEONG JECHANG
    • H04N7/32
    • H04N19/00751H04N19/463H04N19/59H04N19/70H04N19/96
    • Disclosed are a method and apparatus for video encoding/decoding of encoding/decoding block filter information based on a quadtree. The video encoding/decoding apparatus according to one embodiment of the present invention comprises: a video encoder which segments a predicted reference video using optimum filters for each block into blocks by a layer of at least one stage, sets a segmentation flag for determining whether or not the segmented blocks are capable of being segmented again and a filter type for determining which filters are used for interpolating the blocks, and encodes the segmentation flag and the filter type into a quadtree; and a video decoder which reads the segmentation flag and the filter type from the bit stream encoded into the quadtree to restore the segmentation flag and the filter type, generates segmented blocks on the basis of the segmentation flag, and interpolates the generated blocks on the basis of the filter type to restore the reference video for optimum motion compensation.
    • 公开了一种基于四叉树的视频编码/解码块编码/解码块过滤器信息的方法和装置。 根据本发明的一个实施例的视频编码/解码装置包括:视频编码器,其使用用于每个块的最佳滤波器通过至少一个层的层将预测参考视频分段成块,设置分割标志,用于确定是否或 不是分段块能够被再次分割,并且使用滤波器类型来确定哪些滤波器用于内插块,并且将分段标志和滤波器类型编码成四叉树; 以及视频解码器,其从编码到四叉树的比特流中读取分割标志和滤波器类型以恢复分割标志和滤波器类型,基于分割标志生成分段块,并基于该内容生成块 的滤波器类型以恢复参考视频以获得最佳运动补偿。
    • 7. 发明申请
    • METHOD AND DEVICE FOR ENCODING/DECODING IMAGE IN SPATIAL DOMAIN FOR NOISE COMPONENT
    • 用于在噪声分量中对空间域中的图像进行编码/解码的方法和设备
    • WO2012077959A3
    • 2012-08-02
    • PCT/KR2011009391
    • 2011-12-06
    • SK TELECOM CO LTDSONG JINHANLIM JEONGYEONKIM KIBAEKJEONG JECHANG
    • SONG JINHANLIM JEONGYEONKIM KIBAEKJEONG JECHANG
    • H04N7/26
    • H04N19/593H04N19/12H04N19/129H04N19/14H04N19/176H04N19/18H04N19/46H04N19/61H04N19/85
    • An embodiment of the present invention relates to a method and a device for encoding/decoding an image in a spatial domain for noise components, which is a method and a device for encoding/decoding an image in which: a current block is predicted such that a prediction block is generated, and then said prediction block is deducted from said current block to generate a residual block; it is determined whether or not there are as many noise components of said residual block as the number of a preset range; an encoding domain is determined; if the determined encoding domain is a frequency domain the residual block is transformed and quantized; if the determined encoding domain is a spatial domain information on the encoding domain, which was determined by quantizing said residual block, and a generated quantized block are encoded or said noise components are quantized; and the quantized noise components and information on the number of said noise components and the location of said noise components are encoded and decoded.
    • 本发明的实施例涉及一种用于对噪声分量的空间域中的图像进行编码/解码的方法和设备,其是用于对图像进行编码/解码的方法和设备,其中:预测当前块使得 生成预测块,然后从所述当前块中扣除所述预测块以生成残余块; 确定所述残留块的噪声分量是否与预设范围的数量一样多; 确定编码域; 如果确定的编码域是频域,则对残差块进行变换和量化; 如果所确定的编码域是通过量化所述残留块而确定的编码域上的空间域信息,并且所生成的量化块被编码或者所述噪声分量被量化; 量化的噪声分量和关于所述噪声分量的数量和所述噪声分量的位置的信息被编码和解码。
    • 9. 发明申请
    • VIDEO ENCODING DEVICE AND ENCODING METHOD THEREOF, VIDEO DECODING DEVICE AND DECODING METHOD THEREOF, AND DIRECTIONAL INTRA-PREDICTION METHOD TO BE USED THERETO
    • 视频编码设备及其编码方法,视频解码设备及其解码方法,以及使用的方向预测方法
    • WO2011068331A2
    • 2011-06-09
    • PCT/KR2010008387
    • 2010-11-25
    • SK TELECOM CO LTDKIM SUNYEONLIM JEONGYEONLEE GYUMINCHOI JAEHOONJEONG JECHANG
    • KIM SUNYEONLIM JEONGYEONLEE GYUMINCHOI JAEHOONJEONG JECHANG
    • H04N7/24H04N7/32
    • H04N19/11H04N19/593
    • The present invention relates to a video encoding device and an encoding method thereof, a video decoding device and a decoding method thereof, and a directional intra-prediction method to be used thereto. The video encoding device according to embodiments of the present invention comprises: a main mode search unit for searching a main mode for a present block of directional intra prediction modes; a sub mode search unit for searching a sub mode in which a direction of the main mode searched through the main mode search unit is tilted in a predetermined offset in clockwise and counterclockwise directions; a prediction block generation unit for generating a prediction block for the present block from peripheral blocks of the present block on the basis of the main mode searched through the main mode search unit and the sub mode searched through the sub mode search unit; a differentiator for calculating a difference between the present block and the prediction block; and an encoding unit for encoding the difference calculated through the differentiator. The present invention can enhance the accuracy and efficiency of the intra prediction and can minimize an increase of overhead in the video encoding.
    • 视频编码装置及其编码方法技术领域本发明涉及一种视频编码装置及其编码方法,其视频解码装置及其解码方法以及其中使用的定向帧内预测方法。 根据本发明的实施例的视频编码装置包括:主模式搜索单元,用于搜索主模式用于当前块的定向帧内预测模式; 子模式搜索单元,用于搜索通过主模式搜索单元搜索的主模式的方向以顺时针和逆时针方向倾斜预定偏移的子模式; 预测块生成单元,其基于通过主模式搜索单元搜索的主模式和通过子模式搜索单元搜索的子模式,从当前块的周边块生成用于当前块的预测块; 用于计算当前块和预测块之间的差的微分器; 以及编码单元,用于对通过微分器计算的差进行编码。 本发明可以提高帧内预测的准确性和效率,并且可以最小化视频编码中的开销增加。