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1. 发明申请

WO2013002549A3 METHOD AND APPARATUS FOR CODING/DECODING IMAGE 审中-公开
标题翻译：用于编码/解码图像的方法和装置
公开(公告)号：WO2013002549A3
公开(公告)日：2013-03-14
申请号：PCT/KR2012005075
申请日：2012-06-27
申请人： SK TELECOM CO LTD , LIM JEONGYEON , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , HAN JONGKI , KWAK JAEHEE , KIM JEONG PIL , KIM HYUNDONG
发明人： LIM JEONGYEON , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , HAN JONGKI , KWAK JAEHEE , KIM JEONG PIL , KIM HYUNDONG
IPC分类号： H04N7/32 , H04N7/50
CPC分类号： H04N19/124 , H04N19/12 , H04N19/122 , H04N19/134 , H04N19/139 , H04N19/176 , H04N19/61
摘要： Embodiments according to the present invention relate to a method and an apparatus for coding/decoding an image using a high precision filter. One embodiment according to the present invention provides a method for coding/decoding an image, comprising: an image coding step for generating a prediction block of a current block, and transforming a residual block which is generated by subtracting the prediction block so as to generate a frequency transformation block, wherein a different transformation method is used according to a transform unit to generate the frequency transformation block, and then quantizing and coding same into a bitstream; and an image decoding step for extracting information on the frequency transformation block, which is quantized from the bitstream, and on the transform unit, and inverse-quantizing the frequency transformation block that is quantized to recover the frequency transformation block, and inverse-transforming the frequency transformation block to recover the residual block, wherein a different inverse-transformation method is used according to the transform unit that is extracted, thereby recovering the frequency transformation block, and the prediction block is generated from a reference block, which is referenced by a motion vector and the recovered residual block and the prediction block are added, thereby recovering the current block.
摘要翻译：根据本发明的实施例涉及一种使用高精度滤波器对图像进行编码/解码的方法和装置。根据本发明的一个实施例提供了一种用于对图像进行编码/解码的方法，包括：图像编码步骤，用于生成当前块的预测块，并且通过减去预测块来生成残差块，以产生频率变换块，其中根据变换单元使用不同的变换方法来生成频率变换块，然后将其量化和编码为比特流; 以及图像解码步骤，用于提取从比特流量化的频率变换块的信息，以及变换单元，对量化的频率变换块进行逆量化，以恢复频率变换块，并对频率变换块以恢复残差块，其中根据提取的变换单元使用不同的逆变换方法，从而恢复频率变换块，并且从参考块生成预测块，该参考块由运动矢量和恢复的残差块和预测块相加，从而恢复当前块。

2. 发明申请

WO2012077960A2 METHOD AND DEVICE FOR ENCODING/DECODING IMAGE BY INTER PREDICTION USING RANDOM BLOCK 审中-公开
标题翻译：使用随机块通过间预测对图像进行编码/解码的方法和装置
公开(公告)号：WO2012077960A2
公开(公告)日：2012-06-14
申请号：PCT/KR2011009394
申请日：2011-12-06
申请人： SK TELECOM CO LTD , SONG JINHAN , LIM JEONGYEON , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , HAN JONGKI , CHO JAEHEE , KIM HYUNDONG , KIM DAEYEON , HONG SUNGWOOK
发明人： SONG JINHAN , LIM JEONGYEON , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , HAN JONGKI , CHO JAEHEE , KIM HYUNDONG , KIM DAEYEON , HONG SUNGWOOK
IPC分类号： H04N7/32
CPC分类号： H04N19/50 , H04N19/109 , H04N19/119 , H04N19/124 , H04N19/147 , H04N19/176 , H04N19/43 , H04N19/523 , H04N19/61
摘要： An embodiment of the present invention relates to a method and a device for encoding/decoding an image by inter prediction using a random block. The embodiment of the present invention provides a method and a device for encoding/decoding an image, wherein the method for encoding/decoding the image comprises an image encoding step in which: a current block which is to be encoded is divided into one or more various block shapes; a divided shape of a block having an optimal encoding efficiency among the block shapes is determined; an optimal ratio factor among a plurality of ratio factors is applied to perform motion compensation, relative to a divided block of said determined divided shape; and said divided block is predicted to encode an image and decode the encoded image.
摘要翻译：本发明的实施例涉及一种通过使用随机块的帧间预测来对图像进行编码/解码的方法和设备。本发明实施例提供了一种对图像进行编码/解码的方法和设备，其中对图像进行编码/解码的方法包括图像编码步骤，其中：将要编码的当前块分割成一个或多个各种块形状; 确定块形状中具有最佳编码效率的块的分割形状; 相对于所述确定的分割形状的分割块，应用多个比率因子中的最佳比率因子来执行运动补偿; 并且预测所述划分的块对图像进行编码并对编码图像进行解码。

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