会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明申请
    • VIDEO ENCODING/DECODING APPARATUS AND METHOD
    • 视频编码/解码设备和方法
    • WO2011129673A3
    • 2012-03-15
    • PCT/KR2011002763
    • 2011-04-18
    • SK TELECOM CO LTDSONG JINHANLIM JEONGYEONMOON JOOHEELEE YUNGLYULKIM HAEKWANGJEON BYEUNGWOOHAN JONGKIPARK HYOUNGMEELEE JUOCK
    • SONG JINHANLIM JEONGYEONMOON JOOHEELEE YUNGLYULKIM HAEKWANGJEON BYEUNGWOOHAN JONGKIPARK HYOUNGMEELEE JUOCK
    • H04N7/24
    • H04N19/159H04N19/119H04N19/12H04N19/13H04N19/157H04N19/176H04N19/61H04N19/96
    • The present invention relates to a video encoding/decoding apparatus and method. The video encoding/decoding apparatus according to one embodiment of the present invention comprises: a video encoder that generates predicted sub-blocks by predicting sub-blocks into which a macro block is divided, generates residual sub-blocks by subtracting the sub-blocks and the predicted sub-blocks, generates quantized transform coefficients by transforming and quantizing the residual sub-blocks using a transformation scheme which is selected by the size of the sub-block, and generates video data encoded by using different context tables depending on the used macro block and the divided sub-blocks in the case of encoding the quantized transform coefficients with Context-Adaptive Binary Arithmetic Coding (CABAC); and a video decoder that restores information about the division type, motion and transformation type as well as the quantized transform coefficients by decoding the data which has been encoded using different context tables depending on the macro block and the divided sub-blocks and using CABAC, restores the residual sub-blocks by performing the inverse-quantization and inverse-transformation on the quantized transform coefficients following a transformation scheme which is identified by the transformation type information having been restored, generates predicted sub-blocks, on the basis of the motion information having been restored, by predicting sub-blocks which are identified by the division type information having been restored, restores sub-blocks by subtracting the predicted sub-blocks and residual sub-blocks, and restores the macro block on the basis of the restored sub-blocks.
    • 本发明涉及视频编码/解码装置和方法。 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,通过预测划分出宏块的子块来产生预测子块,通过减去子块产生残余子块, 预测子块通过使用由子块的大小选择的变换方案来变换和量化残差子块来生成量化变换系数,并且根据所使用的宏生成使用不同的上下文表编码的视频数据 在使用上下文自适应二进制算术编码(CABAC)对量化的变换系数进行编码的情况下,分块和分割的子块; 以及视频解码器,通过根据宏块和分割子块解码已经使用不同上下文表编码的数据并使用CABAC来恢复关于分割类型,运动和变换类型以及量化变换系数的信息, 通过对经过恢复的变换类型信息识别的变换方案之后的量化变换系数进行逆量化和逆变换来恢复残留子块,基于运动信息生成预测子块 通过预测由已经恢复的分割类型信息识别的子块,已经恢复,通过减去预测的子块和剩余子块来恢复子块,并且基于恢复的子恢复宏块 -blocks。
    • 8. 发明申请
    • VIDEO ENCODING/DECODING APPARATUS AND METHOD
    • 视频编码/解码设备和方法
    • WO2011129672A2
    • 2011-10-20
    • PCT/KR2011002762
    • 2011-04-18
    • SK TELECOM CO LTDSONG JINHANLIM JEONGYEONMOON JOOHEELEE YUNGLYULKIM HAEKWANGJEON BYEUNGWOOHAN JONGKIPARK HYOUNGMEELEE JUOCK
    • SONG JINHANLIM JEONGYEONMOON JOOHEELEE YUNGLYULKIM HAEKWANGJEON BYEUNGWOOHAN JONGKIPARK HYOUNGMEELEE JUOCK
    • H04N7/24
    • H04N19/61
    • The present invention relates to a video encoding/decoding apparatus and method. The video encoding/decoding apparatus according to one embodiment of the present invention comprises: a video encoder that generates predicted sub-blocks by predicting sub-blocks into which a macro block is divided, generates residual sub-blocks by subtracting the sub-blocks and the predicted sub-blocks, generates quantized transform coefficients by transforming and quantizing the residual sub-blocks using a transformation scheme which is selected by the size of the sub-block, generates video data encoded by encoding the quantized transform coefficients, and selectively calculates and obtains an encoding cost when an encoding mode is determined for at least one of the block type, prediction mode, transformation type and motion vector for the divided sub-blocks; and a video decoder that restores information about the division type, motion and transformation type as well as the quantized transform coefficients, restores the residual sub-blocks by performing the inverse-quantization and inverse-transformation on the quantized transform coefficients following a transformation scheme which is identified by the transformation type information having been restored, generates predicted sub-blocks, on the basis of the motion information having been restored, by predicting sub-blocks which are identified by the division type information having been restored, and restores sub-blocks by subtracting the predicted sub-blocks and residual sub-blocks.
    • 本发明涉及视频编码/解码装置和方法。 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,通过预测划分出宏块的子块来产生预测子块,通过减去子块产生残余子块, 预测子块通过使用由子块的大小选择的变换方案来变换和量化残差子块来生成量化变换系数,生成通过对量化的变换系数进行编码而编码的视频数据,并选择性地计算和 当为分割子块的块类型,预测模式,变换类型和运动矢量中的至少一个确定编码模式时,获得编码成本; 以及视频解码器,其恢复关于分割类型,运动和变换类型以及量化变换系数的信息,通过对变换方案之后的量化变换系数执行逆量化和逆变换来恢复残留子块, 由已经恢复的变换类型信息识别,通过预测由已经被恢复的分割类型信息识别的子块,基于已经恢复的运动信息生成预测子块,并且恢复子块 通过减去预测的子块和残余子块。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR CODING/DECODING IMAGE
    • 用于编码/解码图像的方法和装置
    • WO2013002549A3
    • 2013-03-14
    • PCT/KR2012005075
    • 2012-06-27
    • SK TELECOM CO LTDLIM JEONGYEONLEE YUNGLYULMOON JOOHEEKIM HAEKWANGJEON BYEUNGWOOHAN JONGKIKWAK JAEHEEKIM JEONG PILKIM HYUNDONG
    • LIM JEONGYEONLEE YUNGLYULMOON JOOHEEKIM HAEKWANGJEON BYEUNGWOOHAN JONGKIKWAK JAEHEEKIM JEONG PILKIM HYUNDONG
    • H04N7/32H04N7/50
    • H04N19/124H04N19/12H04N19/122H04N19/134H04N19/139H04N19/176H04N19/61
    • 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.
    • 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。