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    • 1. 发明申请
    • ENERGY CORRECTION DEVICE THROUGH TRANSFORM DOMAIN PIXEL GROUPING AND METHOD THEREOF
    • 通过变换域像素分组的能量校正装置及其方法
    • WO2012023770A3
    • 2012-05-31
    • PCT/KR2011005975
    • 2011-08-12
    • SK TELECOM CO LTDSONG JINHANLIM JEONGYEONKIM YONGGOOCHOE YOONSIKCHOI YUNG HOHONG SOON GI
    • SONG JINHANLIM JEONGYEONKIM YONGGOOCHOE YOONSIKCHOI YUNG HOHONG SOON GI
    • G06T5/00
    • H04N19/86H04N19/63
    • Disclosed are an improved energy correction device through pixel grouping and a method thereof. According to an embodiment of the present invention, the energy correction device which corrects an error of an image comprises: a pixel value transformation unit which performs pixel value transformations for an original image and a decoded image, and obtains each piece of directional information; Fig. 6 S601 Obtain directional information by performing pixel value transformation for image S603 Classify obtained directional information into plurality of domains, and extract group energy representative value from each of classified domains S605 Calculate energy correction value on the basis of difference between group energy representative value extracted from decoded image and group energy representative value extracted from original image AA Start BB End a group energy extraction unit which classifies each piece of obtained directional information into a plurality of domains, and extracts group energy representative values that represent the corresponding domains from each of the classified domains; and a correction value calculation unit which calculates an energy correction value on the basis of a difference between a group energy representative value extracted from the decoded image and a group energy representative value extracted from the original image.
    • 公开了一种通过像素分组的改进的能量校正装置及其方法。 根据本发明的一个实施例,校正图像误差的能量校正装置包括:对原始图像和解码图像执行像素值变换并获得每条方向信息的像素值变换单元; 图。 6 S601通过对图像S603进行像素值变换来获取方向性信息将获得的方向信息分类为多个域,并从各个分类域提取组能量代表值S605基于从提取的组能量代表值之间的差计算能量校正值 从原始图像提取的解码图像和组能量代表值AA启动BB结束将每个获得的方向信息分类成多个域的组能量提取单元,并且从每个被分类的组中提取表示相应域的组能量代表值 域; 以及校正值计算单元,其基于从解码图像提取的组能量代表值与从原始图像提取的组能量代表值之间的差计算能量校正值。
    • 3. 发明申请
    • METHOD AND DEVICE FOR PREDICTING COLOR SPACE USING PLURALITY OF FREQUENCY DOMAIN WEIGHTING PREDICTION FILTERS, AND METHOD AND DEVICE FOR ENCODING/DECODING IMAGE USING SAME
    • 使用频域加权预测滤波器的多项式来预测彩色空间的方法和装置,以及使用它们编码/解码图像的方法和装置
    • WO2012011670A3
    • 2012-04-05
    • PCT/KR2011004513
    • 2011-06-21
    • SK TELECOM CO LTDSONG JINHANLIM JEONGYEONCHOE YOONSIKKIM YONGGOOCHOI YUNG HOJEONG JINWOO
    • SONG JINHANLIM JEONGYEONCHOE YOONSIKKIM YONGGOOCHOI YUNG HOJEONG JINWOO
    • H04N7/24H04N11/04
    • H04N19/117
    • One embodiment of the present invention relates to a method and a device for predicting a color space using a plurality of frequency domain weighting prediction filters, and to a method and a device for encoding/decoding an image using same. According to one embodiment, the present invention provides the device and the method for predicting the color space comprising: a prediction weight calculating unit for determining a weighted block from the encoded/decoded peripheral blocks of the current block, and for calculating the prediction weight for each of the frequency domains using the weighted block; a prediction frequency selection unit for calculating a prediction gain for each of the frequency domains from the prediction weight for each of the frequency domains, and for selecting the frequency domain to be used for predicting the color space by using the prediction gain for each of the frequency domains; and a frequency domain prediction unit for receiving remaining transformed blocks, and for predicting the color space in the remaining transformed blocks from the prediction gain of the selected frequency domain. The present invention also provides the device and the method for predicting the color space and the method and the device for encoding/decoding the image using same, comprising: the prediction weight calculating unit for determining the weighted block from the encoded/decoded peripheral blocks of the current block, and for calculating the prediction weight for each of the frequency domains using the current weighted block; the prediction frequency selection unit for calculating the prediction gain for each of the frequency domains from the prediction weight for each of the frequency domains, and for selecting the frequency domain to be used for predicting the color space by using the prediction gain for each of the frequency domains; and a frequency domain recovery unit for recovering the remaining transformed blocks from the color space prediction block using the prediction gain of the selected frequency domain.
    • 本发明的一个实施例涉及一种使用多个频域加权预测滤波器来预测颜色空间的方法和装置,以及使用其对图像进行编码/解码的方法和装置。 根据一个实施例,本发明提供了一种用于预测颜色空间的装置和方法,包括:预测权重计算单元,用于从当前块的编码/解码外围块确定加权块,并且用于计算预测权重 每个频域使用加权块; 预测频率选择单元,用于根据每个频域的预测权重来计算每个频域的预测增益,并且通过使用每个频域的预测增益来选择要用于预测颜色空间的频域 频域; 以及频域预测单元,用于接收剩余的变换块,并用于根据所选频域的预测增益来预测剩余变换块中的色空间。 本发明还提供了一种用于预测色彩空间的装置和方法以及使用其编码/解码图像的方法和装置,包括:预测权重计算单元,用于从编码/解码的外围块确定加权块 当前块,并且用于使用当前加权块来计算每个频域的预测权重; 预测频率选择单元,用于根据每个频域的预测权重来计算每个频域的预测增益,并且通过使用每个频域的预测增益来选择要用于预测颜色空间的频域 频域; 以及频域恢复单元,用于使用所选频域的预测增益从颜色空间预测块中恢复剩余的变换块。
    • 4. 发明申请
    • METHOD AND DEVICE FOR CODING COMPETITION-BASED INTERLEAVED MOTION VECTOR, AND METHOD AND DEVICE FOR IMAGE ENCODING/DECODING USING SAME
    • 用于编码基于竞争的交互运动矢量的方法和装置,以及使用其进行图像编码/解码的方法和装置
    • WO2012015192A2
    • 2012-02-02
    • PCT/KR2011005358
    • 2011-07-20
    • SK TELECOM CO LTDSONG JINHANLIM JEONGYEONCHOE YOONSIKKIM YONGGOOCHOI YUNG HOKIM SUNGJEI
    • SONG JINHANLIM JEONGYEONCHOE YOONSIKKIM YONGGOOCHOI YUNG HOKIM SUNGJEI
    • H04N7/24
    • H04N19/593H04N19/52
    • The present invention relates to a method and a device for coding competition-based interleaved motion vectors, and to a method and a device for image encoding/decoding using same. One embodiment of the present invention provides the device and the method for coding motion vectors, and the method and the device for image encoding/decoding using same, comprising the following steps: deciding the high-priority component of the motion vector of a current block and the low-priority component of the motion vector of the current block, based on a correlation diagram of the x and y components of the motion vectors of the peripheral blocks of the current block; selecting the optimal prediction block set from the high-priority component of the motion vector of a predetermined prediction block set candidate and from the high-priority component of the motion vector of the current block; generating information on the optimal prediction block set; calculating the high-priority component of a prediction motion vector from the optimal prediction block set, and calculating a high-priority differential value, which is the differential value between the high-priority component of the prediction motion vector and the high-priority value of the motion vector of the current block; and calculating the low-priority component of the prediction motion vector from a predetermined low-priority prediction block set, and calculating the low-priority differential value, which is the differential value between the low-priority component of the prediction motion vector and the low-priority component of the motion vector of the current block.
    • 本发明涉及用于编码基于竞争的交错运动矢量的方法和装置,以及涉及使用其进行图像编码/解码的方法和装置。 本发明的一个实施例提供了用于编码运动矢量的装置和方法,以及使用它们进行图像编码/解码的方法和装置,包括以下步骤:确定当前块的运动矢量的高优先级分量 基于当前块的外围块的运动矢量的x和y分量的相关图示出当前块的运动矢量的低优先级分量; 从预定预测块集候选的运动矢量的高优先级分量和当前块的运动矢量的高优先级分量中选择最优预测块组; 生成关于最优预测块集合的信息; 从最优预测块集合计算预测运动矢量的高优先级分量,并计算作为预测运动矢量的高优先级分量与高优先级值之间的差分值的高优先级差分值 当前块的运动矢量; 以及从预定的低优先级预测块集合计算预测运动矢量的低优先级分量,并计算作为预测运动矢量的低优先级分量与低频优先级低的差分值的低优先级差分值 -priority分量的当前块的运动矢量。
    • 7. 发明申请
    • ALL DIRECTIONS-BASED INTRA PREDICTION ENCODING/DECODING DEVICE AND METHOD
    • 所有基于方向的内部预测编码/解码设备和方法
    • WO2012011779A3
    • 2012-05-03
    • PCT/KR2011005436
    • 2011-07-22
    • SK TELECOM CO LTDSONG JINHANLIM JEONGYEONCHOI YUNG HOKIM YONGGOOCHOE YOONSIK
    • SONG JINHANLIM JEONGYEONCHOI YUNG HOKIM YONGGOOCHOE YOONSIK
    • H04N19/117H04N19/159H04N19/176H04N19/593
    • Disclosed are an all directions-based intra prediction encoding/decoding device and method. The intra prediction encoding device according to one embodiment of the present invention comprises: an original pixel selection unit for selecting at least one pixel that has not been encoded from the surrounding pixels of a current block to be encoded, and linearly predicting the pixel values between the selected pixel and the encoded pixels around the current block; an extrapolation prediction value generating unit for generating extrapolation prediction values for the current block in various intra prediction directions based on the pixel values predicted by the original pixel selection unit and the encoded pixel values around the current block; a residual signal generating unit for generating residual signals by calculating the difference between the generated extrapolation prediction values and the pixel values of the current block; a conversion and quantization unit for converting and quantizing the generated residual signals; and an entropy encoding unit for entropy encoding the converted or quantized residual signals.
    • 公开了一种基于全方位的帧内预测编码/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:原始像素选择单元,用于从待编码的当前块的周围像素中选择尚未编码的至少一个像素,并且线性地预测要编码的当前块的周围像素, 所选择的像素和当前块周围的编码像素; 外推预测值生成单元,基于由原始像素选择单元预测的像素值和当前块周围的编码像素值,生成各种帧内预测方向中的当前块的外推预测值; 剩余信号产生单元,用于通过计算生成的外推预测值和当前块的像素值之间的差来产生残差信号; 用于转换和量化所生成的残留信号的转换和量化单元; 以及熵编码单元,用于对转换的或量化的残余信号进行熵编码。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR ENCODING/DECODING ADAPTIVE MOTION VECTOR USING STRUCTURAL INFORMATION OF VIDEO, AND METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO USING SAME
    • 使用视频的结构信息对自适应运动向量进行编码/解码的方法和装置以及使用相同的方法对视频进行编码/解码的方法和装置
    • WO2012044108A3
    • 2012-05-31
    • PCT/KR2011007228
    • 2011-09-30
    • SK TELECOM CO LTDSONG JINHANLIM JEONGYEONCHOE YOONSIKKIM YONGGOOCHOI YUNG HOKIM JONGHO
    • SONG JINHANLIM JEONGYEONCHOE YOONSIKKIM YONGGOOCHOI YUNG HOKIM JONGHO
    • H04N19/52
    • One embodiment of the present invention relates to a method and an apparatus for encoding/decoding an adaptive motion vector using structural information of a video, and to a method and an apparatus for encoding/decoding the video using same. The embodiment of the present invention provides the method and apparatus for encoding/decoding the motion vector and to the method and the apparatus for encoding/decoding the video comprising the following steps: determining a predictive motion vector based on structural information of a peripheral block of a current block; encoding a differential motion vector, which is the difference in value between the current block and the predictive motion vector; determining the predictive motion vector based on structural information of the peripheral block; extracting the differential motion vector from a bitstream; adding the extracted differential motion vector and the predictive motion vector; and recovering and decoding the motion vector of the current block to be recovered.
    • 本发明的一个实施例涉及使用视频的结构信息对自适应运动矢量进行编码/解码的方法和设备,以及涉及使用该结构信息对视频进行编码/解码的方法和设备。 本发明的实施例提供了用于对运动矢量进行编码/解码的方法和装置以及用于对视频进行编码/解码的方法和装置,包括以下步骤:基于外围块的结构信息来确定预测运动矢量 当前块; 对差分运动矢量进行编码,差分运动矢量是当前块与预测运动矢量之间的差值; 基于外围块的结构信息确定预测运动矢量; 从比特流中提取差分运动矢量; 将提取的差分运动矢量和预测运动矢量相加; 并恢复并解码待恢复的当前块的运动矢量。
    • 10. 发明申请
    • DEVICE AND METHOD FOR COMPETITION-BASED INTRA PREDICTION ENCODING/DECODING USING MULTIPLE PREDICTION FILTERS
    • 基于竞争的内部预测编码/解码的装置和方法使用多个预测滤波器
    • WO2012011714A3
    • 2012-05-03
    • PCT/KR2011005291
    • 2011-07-19
    • SK TELECOM CO LTDSONG JINHANLIM JEONGYEONKIM YONGGOOCHOE YOONSIKCHOI YUNG HOKIM SUNGJEI
    • SONG JINHANLIM JEONGYEONKIM YONGGOOCHOE YOONSIKCHOI YUNG HOKIM SUNGJEI
    • H04N7/34
    • H04N19/50H04N19/117H04N19/15H04N19/176H04N19/46H04N19/593
    • Disclosed are a device and a method for competition-based intra prediction encoding/decoding using multiple prediction filters. The device for intra prediction encoding, according to one embodiment of the present invention, comprises: an optimal filter selection unit, having a plurality of extrapolation prediction filter candidates which filter peripheral pixels around current blocks based on the intra-prediction direction or the mode of each of the current blocks to be encoded, for selecting the filter involving the lowest encoding cost among the plurality of extrapolation prediction filter candidates; a remaining signal generation unit for generating the extrapolation prediction value of the current blocks using the filter selected by the optimal filter selection unit, and for generating remaining signals by calculating the difference between the extrapolation prediction value and the pixel value of the current blocks; a transformation and quantization unit for transforming and quantizing the remaining signals generated by the remaining signal generation unit; and an entropy encoding unit for entropy-encoding the transformed and quantized remaining signals.
    • 公开了使用多个预测滤波器的基于竞争的帧内预测编码/解码的装置和方法。 根据本发明的一个实施例的用于帧内预测编码的装置包括:最佳滤波器选择单元,具有多个外推预测滤波器候选,其基于帧内预测方向或模式来滤除当前块周围的周围像素 要编码的每个当前块,用于在多个外推预测滤波器候选中选择涉及最低编码成本的滤波器; 剩余信号产生单元,用于使用由最佳滤波器选择单元选择的滤波器生成当前块的外插预测值,并且通过计算外推预测值和当前块的像素值之间的差来产生剩余信号; 变换和量化单元,用于变换和量化剩余信号产生单元产生的剩余信号; 以及用于对经变换和量化的剩余信号进行熵编码的熵编码单元。