专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2011068330A3 APPARATUS AND METHOD FOR GENERATING AN INTER-PREDICTION FRAME, AND APPARATUS AND METHOD FOR INTERPOLATING A REFERENCE FRAME USED THEREIN 审中-公开
标题翻译：用于产生帧间预测帧的装置和方法以及用于插入其中使用的参考帧的装置和方法
公开(公告)号：WO2011068330A3
公开(公告)日：2011-11-03
申请号：PCT/KR2010008386
申请日：2010-11-25
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , LEE GYUMIN , CHOI JAEHOON , JEONG JECHANG , LEE KANGJUN
发明人： KIM SUNYEON , LIM JEONGYEON , LEE GYUMIN , CHOI JAEHOON , JEONG JECHANG , LEE KANGJUN
IPC分类号： H04N7/24 , H04N7/32
CPC分类号： H04N19/52 , H04N19/523
摘要： Disclosed are an apparatus and method for generating an inter-prediction frame, and an apparatus and method for interpolating a reference frame used therein. The apparatus for interpolating a reference frame according to the present invention interpolates the reference frame on a quarter-pixel basis, and comprises: a directivity-determining unit which determines directivity for the quarter pixel on the basis of the pixels located along the periphery of the quarter pixel positioned at the intersection point between a left diagonal line and a right diagonal line of a half-pixel unit; and an interpolating unit which interpolates a pixel value for the quarter pixel by varying a linear interpolation in accordance with the directivity determined by the directivity-determining unit.
摘要翻译：公开了一种用于生成帧间预测帧的设备和方法以及用于对其中使用的参考帧进行插值的设备和方法。根据本发明的用于内插参考帧的设备以四分之一像素为基础对参考帧进行内插，并且包括：方向确定单元，其基于位于沿着外围的像素来确定四分之一像素的方向性位于半像素单元的左对角线和右对角线之间的交点处的四分之一像素; 以及内插单元，其通过根据由方向性确定单元确定的方向性改变线性内插来对四分之一像素的像素值进行内插。

2. 发明申请

WO2011068331A2 VIDEO ENCODING DEVICE AND ENCODING METHOD THEREOF, VIDEO DECODING DEVICE AND DECODING METHOD THEREOF, AND DIRECTIONAL INTRA-PREDICTION METHOD TO BE USED THERETO 审中-公开
标题翻译：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
公开(公告)号：WO2011068331A2
公开(公告)日：2011-06-09
申请号：PCT/KR2010008387
申请日：2010-11-25
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , LEE GYUMIN , CHOI JAEHOON , JEONG JECHANG
发明人： KIM SUNYEON , LIM JEONGYEON , LEE GYUMIN , CHOI JAEHOON , JEONG JECHANG
IPC分类号： H04N7/24 , H04N7/32
CPC分类号： H04N19/11 , H04N19/593
摘要： 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.
摘要翻译：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。

3. 发明申请

WO2011068332A3 SPATIAL PREDICTION APPARATUS AND PREDICTING METHOD THEREOF, IMAGE ENCODING DEVICE AND METHOD USING SAME, AND IMAGE DECODING DEVICE AND METHOD USING SAME 审中-公开
标题翻译：空间预测装置及其预测方法，图像编码装置及其使用方法，图像解码装置及使用该装置的方法
公开(公告)号：WO2011068332A3
公开(公告)日：2011-09-15
申请号：PCT/KR2010008389
申请日：2010-11-25
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , CHOI JAEHOON , LEE GYUMIN , JEONG JECHANG
发明人： KIM SUNYEON , LIM JEONGYEON , CHOI JAEHOON , LEE GYUMIN , JEONG JECHANG
CPC分类号： H04N19/11 , H04N19/147 , H04N19/176 , H04N19/61
摘要： The present invention relates to a spatial prediction apparatus and a predicting method thereof, an image encoding device and method using same, and an image decoding device and method using same. The image encoding device according to embodiments of the present invention comprises: a spatial prediction execution unit which predicts a target block using a directional intra prediction mode and a template matching mode and selects the most inexpensive mode based on rate distortion; and an integer conversion execution unit for executing integer conversion for the residual signals of the images predicted through the template matching mode when the template matching mode is selected by the spatial prediction execution unit. The present invention can enhance the accuracy and efficiency of the intra prediction and can minimize an increase of overhead in the video encoding.
摘要翻译：空间预测装置及其预测方法，图像编码装置及使用该装置的方法，以及使用该装置的图像解码装置及方法。根据本发明实施例的图像编码设备包括：空间预测执行单元，使用定向帧内预测模式和模板匹配模式来预测目标块，并且基于比率失真来选择最便宜的模式; 以及整数转换执行单元，用于当空间预测执行单元选择了模板匹配模式时，对通过模板匹配模式预测的图像的残差信号执行整数转换。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开销的增加。

4. 发明申请

WO2011105849A3 APPARATUS AND METHOD FOR ENCODING IMAGES, AND APPARATUS AND METHOD FOR DECODING IMAGES 审中-公开
标题翻译：用于编码图像的装置和方法，以及用于解码图像的装置和方法
公开(公告)号：WO2011105849A3
公开(公告)日：2012-01-12
申请号：PCT/KR2011001329
申请日：2011-02-25
申请人： SK TELECOM CO LTD , LIM JEONGYEON , KIM SUNYEON , LEE GYUMIN , CHOI JAEHOON , HAN JONGKI , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , YOO YOUNGJOE
发明人： LIM JEONGYEON , KIM SUNYEON , LEE GYUMIN , CHOI JAEHOON , HAN JONGKI , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , YOO YOUNGJOE
IPC分类号： H04N7/32 , H04N7/34
CPC分类号： H04N19/00278 , G06K9/36 , H04N19/176 , H04N19/50 , H04N19/51 , H04N19/593
摘要： Disclosed are an apparatus and method for encoding images, and an apparatus and method for decoding images. The image-encoding apparatus according to one embodiment of the present invention comprises: a target block dividing unit which divides a target block of an input image to be encoded into a plurality of sub-blocks in accordance with the positions of pixels; a key block encoding unit which selects a random key block, the size of which is larger than that of at least one pixel, from among the plurality of sub-blocks divided by the target block dividing unit, and performs intra-prediction or inter-prediction on the selected key block; and a non-key block encoding unit which designates the rest of the divided sub-blocks, except for the selected key block, as a non-key block, and performs intra-prediction on the designated non-key block using values of peripheral pixels of the key block decoded on the basis of the key block encoding unit, and values of peripheral pixels of the current block. According to the present invention, spatial redundancy in a block can be efficiently removed, even when the size of a basic block for encoding increases in a high-resolution image-encoding process.
摘要翻译：公开了一种用于编码图像的装置和方法，以及用于对图像进行解码的装置和方法。根据本发明的一个实施例的图像编码装置包括：目标块划分单元，其根据像素的位置将要编码的输入图像的目标块划分为多个子块; 键区块编码单元，从由所述目标块分割单元划分的所述多个子块中选择其尺寸大于至少一个像素的随机密钥块，并且执行帧内预测或帧间预测，对所选关键块的预测; 以及非密钥块编码单元，其将除了所选择的密钥块之外的其余分割子块指定为非密钥块，并且使用周边像素的值对所指定的非密钥块执行帧内预测基于密钥块编码单元解码的密钥块和当前块的周边像素的值。根据本发明，即使当用于编码的基本块的大小在高分辨率图像编码处理中增加时，也可以有效地去除块中的空间冗余。

5. 发明申请

WO2011071316A3 IMAGE-ENCODING APPARATUS AND METHOD, TRANSFORM-ENCODING APPARATUS AND METHOD, APPARATUS AND METHOD FOR GENERATING A TRANSFORM BASE, AND IMAGE-DECODING APPARATUS AND METHOD USED IN SAME 审中-公开
标题翻译：图像编码装置和方法，变换编码装置和方法，用于产生变换基底的装置和方法，以及图像解码装置和在其中使用的方法
公开(公告)号：WO2011071316A3
公开(公告)日：2011-11-24
申请号：PCT/KR2010008777
申请日：2010-12-09
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , LEE GYUMIN , CHOI JAEHOON , KIM YONGGOO , CHOE YOONSIK , CHOI YUNGHO
发明人： KIM SUNYEON , LIM JEONGYEON , LEE GYUMIN , CHOI JAEHOON , KIM YONGGOO , CHOE YOONSIK , CHOI YUNGHO
IPC分类号： H04N7/50 , H04N7/34
CPC分类号： H04N19/11 , H04N19/122 , H04N19/593 , H04N19/61
摘要： The present invention relates to an image-encoding apparatus and method, a transform-encoding apparatus and method, an apparatus and method for generating a transform base, and an image-decoding apparatus and method used in same. The image-encoding apparatus according to one embodiment of the present invention comprises: an intra-prediction error collecting unit which collects prediction errors of blocks having the same intra-prediction mode from among macro-blocks of a predetermined unit encoded prior to the encoding of the current macro-block; a transform base generating unit which generates transform bases for each intra-prediction mode on the basis of the prediction errors collected by the intra-prediction error collecting unit; an intra-prediction unit which predicts the value of the current pixel using the peripheral pixels existing around a target block in the current frame in accordance with a directional intra-prediction mode, and generates a prediction error using the difference between the current pixel value and the predicted pixel value; and a transform-encoding unit which transform-encodes the prediction error generated by the intra-prediction unit using the transform base generated by the transform base generating unit. According to the present invention, transform bases are adaptively generated in accordance with the variation in the characteristics of images, and intra-prediction errors are transform-encoded using the thus-generated transform bases, thus significantly improving intra-prediction encoding performance without adding any additional information, and remarkably improving the compression efficiency of a video compression apparatus or the quality of a restored image.
摘要翻译：图像编码装置和方法，变换编码装置和方法，用于生成变换基底的装置和方法，以及用在其中的图像解码装置和方法。根据本发明的一个实施例的图像编码设备包括：帧内预测误差收集单元，其收集在编码之前编码的预定单元的宏块中具有相同帧内预测模式的块的预测误差当前的宏块; 变换基础生成单元，其基于由所述帧内预测误差收集单元收集的预测误差来生成用于每个帧内预测模式的变换基础; 帧内预测单元，其根据方向帧内预测模式使用存在于当前帧的目标块周围的周边像素来预测当前像素的值，并且使用当前像素值与当前像素值之间的差来生成预测误差; 预测像素值; 以及变换编码单元，其使用由变换基本产生单元产生的变换基底对由帧内预测单元产生的预测误差进行变换编码。根据本发明，根据图像特性的变化自适应地生成变换基础，并且使用由此生成的变换基础对帧内预测误差进行变换编码，由此显着改进帧内预测编码性能而不添加任何附加信息，并且显着提高了视频压缩设备的压缩效率或恢复的图像的质量。

6. 发明申请

WO2011065727A3 MOVING IMAGE ENCODING/DECODING APPARATUS AND METHOD THROUGH DISTORTION BLOCK-BASED SECONDARY PREDICTION, AND A RECORDING MEDIUM THEREFOR 审中-公开
标题翻译：移动图像编码/解码设备和方法通过基于错误的块式二次预测，以及其记录介质
公开(公告)号：WO2011065727A3
公开(公告)日：2011-08-04
申请号：PCT/KR2010008297
申请日：2010-11-23
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , CHOI JAEHOON , LEE GYUMIN , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO
发明人： KIM SUNYEON , LIM JEONGYEON , CHOI JAEHOON , LEE GYUMIN , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO
IPC分类号： H04N7/32 , H04N7/24
CPC分类号： H04N19/61 , H04N19/105 , H04N19/147 , H04N19/46 , H04N19/51
摘要： An embodiment of the present invention relates to a moving image encoding/decoding apparatus and method through distortion block-based secondary prediction, and a recording medium therefor, in which the prediction error is reduced by performing secondary prediction on the distortion blocks with reference to one of the distortion blocks. In particular, the method comprises: generating a primary prediction error signal based on an input signal and a predicted signal; performing adaptive DCT transform followed by first quantization on the primary prediction error signal; deciding whether secondary prediction is necessary, based on a distortion value of a signal that is obtained through inverse quantization followed by adaptive inverse DCT transform of the first quantization signal; generating at least one secondary prediction error signal for a corresponding block that needs the secondary prediction by referring to at least one representative block recorded in a lookup table, and then selecting one of the generated signals with a relatively low cost as an optimum, secondary prediction error signal; comparing a first cost of the primary prediction error signal with a second cost of the optimum, secondary prediction error signal; performing adaptive DCT transform followed by second quantization on the optimum, secondary prediction error signal, depending on the cost comparison result; and encoding the first quantized signal or the second quantized signal.
摘要翻译：本发明的实施例涉及通过基于失真块的次级预测的运动图像编码/解码装置和方法及其记录介质，其中参考一个对失真块进行二次预测来减少预测误差的失真块。特别地，该方法包括：基于输入信号和预测信号产生主预测误差信号; 执行自适应DCT变换，随后对主预测误差信号进行第一量化; 基于通过逆量化获得的信号的失真值，然后进行第一量化信号的自适应逆DCT变换，决定二次预测是否必要; 通过参考记录在查找表中的至少一个代表性块，然后以相对较低的成本选择一个生成的信号作为最佳的辅助预测，为需要辅助预测的相应块产生至少一个二次预测误差信号误差信号; 将所述主预测误差信号的第一成本与所述最佳次预测误差信号的第二成本进行比较; 根据成本比较结果对最佳二次预测误差信号进行自适应DCT变换，接着进行二次量化; 以及对第一量化信号或第二量化信号进行编码。

7. 发明申请

WO2011043562A3 METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO WHICH GENERATE/USE ADAPTIVE ENCODING PATTERN INFORMATION, AND RECORDING MEDIUM FOR SAME 审中-公开
标题翻译：用于编码/解码生成/使用自适应编码模式信息的视频的方法和设备以及用于记录相同媒体的方法和设备
公开(公告)号：WO2011043562A3
公开(公告)日：2011-07-28
申请号：PCT/KR2010006737
申请日：2010-10-01
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , CHOI JAEHOON , LEE GYUMIN , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO
发明人： KIM SUNYEON , LIM JEONGYEON , CHOI JAEHOON , LEE GYUMIN , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO
IPC分类号： H04N7/24
CPC分类号： H04N19/19 , H04N19/12 , H04N19/147 , H04N19/176
摘要： One embodiment of the present invention relates to a method and apparatus for encoding/decoding video which generate/use adaptive encoding pattern information, and to a recording medium for same. The method and apparatus of the present invention involve: encoding input signals into first block units in accordance with a plurality of encoding schemes; arranging the signals encoded in the first block units into second block units which are the integer multiplications of the first block units; selecting one of the arranged encoding patterns for the same block of the second block units, on the basis of the cost calculated by a distortion and a request rate; searching for the selected encoding pattern in a lookup table; increase the encoding pattern selection frequency if the encoding pattern is found in the lookup table; consecutively adding the encoding pattern if the encoding pattern is not found in the lookup table; aligning encoding patterns on the basis of the frequency; and generating, prior to the alignment, sequence information of the encoding pattern as substitute information for the selected encoding pattern of the relevant block, thereby adaptively generating additional information on the encoding pattern which might increase in accordance with the plurality of encoding schemes, thus reducing the number of bits of the additional information.
摘要翻译：本发明的一个实施例涉及用于编码/解码生成/使用自适应编码模式信息的视频的方法和设备，并且涉及用于其的记录介质。本发明的方法和设备包括：根据多种编码方案将输入信号编码成第一块单元; 将在第一块单元中编码的信号布置为第一块单元的整数乘法的第二块单元; 基于由失真和请求率计算的成本，为第二块单元的相同块选择所布置的编码模式中的一个; 在查找表中搜索选择的编码模式; 如果在查找表中找到编码模式，则增加编码模式选择频率; 如果在查找表中未找到编码模式，则连续地添加编码模式; 根据频率对准编码模式; 并且在对齐之前，将编码图案的序列信息生成为用于所选择的相关块的编码图案的替代信息，从而自适应地生成关于可能根据多种编码方案增加的编码图案的附加信息，由此减少附加信息的位数。

8. 发明申请

WO2011021912A2 METHOD AND APPARATUS FOR INTERPOLATING REFERENCE PICTURE AND METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING SAME 审中-公开
标题翻译：用于插入参考图片的方法和设备以及使用相同编码/解码图片的方法和设备
公开(公告)号：WO2011021912A2
公开(公告)日：2011-02-24
申请号：PCT/KR2010005569
申请日：2010-08-21
申请人： SK TELECOM CO LTD , LIM JEONGYEON , KIM SUNYEON , LEE GYUMIN , CHOI JAEHOON , MOON JOOHEE , LEE YUNGLYUL , KIM HAEKWANG , JEON BYEUNGWOO , HAN JONGKI , LEE JUOCK , KIM DONGWON
发明人： LIM JEONGYEON , KIM SUNYEON , LEE GYUMIN , CHOI JAEHOON , MOON JOOHEE , LEE YUNGLYUL , KIM HAEKWANG , JEON BYEUNGWOO , HAN JONGKI , LEE JUOCK , KIM DONGWON
IPC分类号： H04N7/32 , H04N7/26
CPC分类号： H04N19/82 , H04N19/61
摘要： The present invention relates to a method and an apparatus for interpolating a reference picture and a method and an apparatus for encoding/decoding an image using the same. The apparatus for interpolating the reference picture of the present invention is characterized in that a plurality of filters for interpolating the reference picture is selected and the reference picture having target accuracy is generated by gradually filtering the reference picture using the filters. The present invention can improve the compression efficiency of the image by interpolating the reference picture through determination of the filter or a filter coefficient for interpolating the reference picture according to the characteristic of the image and interpolating the reference picture through multistage filtering or adaptively changing motion vector resolution in predetermined region units of the image.
摘要翻译：本发明涉及一种用于内插参考图像的方法和设备，以及使用该方法和设备对图像进行编码/解码的方法和设备。本发明的内插参考图像的装置的特征在于选择用于内插参考图像的多个滤波器，并且通过使用滤波器逐渐滤波参考图像来生成具有目标精度的参考图像。本发明可以通过根据图像的特性通过确定滤波器或者用于内插参考图片的滤波器系数来内插参考图片并且通过多级滤波或者自适应地改变运动矢量来内插参考图片来改善图像的压缩效率分辨率在图像的预定区域单位中。

9. 发明申请

WO2011052913A3 APPARATUS AND METHOD FOR ENCODING/DECODING VIDEO THROUGH A VECTOR QUANTIZATION-BASED SECONDARY PREDICTION, AND RECORDING MEDIUM 审中-公开
标题翻译：通过基于矢量量化的二次预测对视频进行编码/解码的装置和方法以及记录介质
公开(公告)号：WO2011052913A3
公开(公告)日：2011-10-27
申请号：PCT/KR2010007028
申请日：2010-10-14
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , CHOI JAEHOON , LEE GYUMIN , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO
发明人： KIM SUNYEON , LIM JEONGYEON , CHOI JAEHOON , LEE GYUMIN , CHOI YUNGHO , CHOE YOONSIK , KIM YONGGOO
IPC分类号： H04N7/28 , H04N7/32
CPC分类号： H04N19/94
摘要： One embodiment of the present invention relates to an apparatus and method for encoding/decoding video through a vector quantization-based secondary prediction, which performs a secondary prediction on the basis of a vector quantization to reduce prediction errors. The present invention also relates to a recording medium. The method of the present invention comprises: generating a primary prediction error signal on the basis of an input signal and a prediction signal; performing an adaptive discrete cosine transform (DCT) process on the primary prediction error signal, and performing a primary quantization process on the transformed signal; determining, for each block, whether or not a secondary prediction is required, on the basis of the distorted value of the signal obtained by performing an inverse quantization process on the primarily quantized signal and performing an adaptive inverse discrete cosine transform process on the inverse quantized signal, and on the basis of a preset reference value; performing a vector quantization process on the primary prediction error signal corresponding to one or more relevant blocks which require the secondary prediction, in order to obtain a center value; generating a secondary prediction error signal for said relevant blocks on the basis of the primary prediction signal and the center value; performing an adaptive discrete cosine transform (DCT) process on the secondary prediction error signal, and performing a secondary quantization process on the transformed signal; and encoding the primarily quantized signal or the secondarily quantized signal.
摘要翻译：本发明的一个实施例涉及一种用于通过基于矢量量化的二次预测对视频进行编码/解码的设备和方法，其基于矢量量化执行二次预测以减少预测误差。本发明还涉及一种记录介质。本发明的方法包括：基于输入信号和预测信号产生主预测误差信号; 对主预测误差信号执行自适应离散余弦变换（DCT）处理，并对变换后的信号执行主量化处理; 基于通过对一次量化的信号执行逆量化处理而获得的信号的失真值并且对逆量化的信号执行自适应逆离散余弦变换处理来针对每个块确定是否需要二次预测信号，并基于预设的参考值; 对与需要二次预测的一个或多个相关块对应的一次预测误差信号执行矢量量化处理，以获得中心值; 基于主预测信号和中心值产生用于所述相关块的二次预测误差信号; 对二次预测误差信号执行自适应离散余弦变换（DCT）处理，并且对经变换的信号执行二次量化处理; 并对该一次量化信号或该二次量化信号进行编码。

10. 发明申请

WO2011071347A3 IMAGE ENCODING/DECODING METHOD AND APPARATUS USING SELECTIVE FILTERING OF A MOTION-COMPENSATED FRAME, AND INTER-PREDICTION METHOD AND APPARATUS FOR SAME 审中-公开
标题翻译：使用运动补偿帧的选择性滤波的图像编码/解码方法和设备以及用于相同预测方法和设备的设备
公开(公告)号：WO2011071347A3
公开(公告)日：2011-10-20
申请号：PCT/KR2010008868
申请日：2010-12-10
申请人： SK TELECOM CO LTD , LIM JEONGYEON , KIM SUNYEON , CHOI JAEHOON , LEE GYUMIN , HAN JONGKI , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , YOO YOUNGJOE
发明人： LIM JEONGYEON , KIM SUNYEON , CHOI JAEHOON , LEE GYUMIN , HAN JONGKI , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , YOO YOUNGJOE
IPC分类号： H04N7/36
CPC分类号： H04N19/587 , H04N19/61
摘要： Embodiments of the present invention relate to an image encoding/decoding method and apparatus using selective filtering of a motion-compensated frame, and to an inter-prediction method and apparatus for same. One embodiment of the present invention provides an image-encoding apparatus which selectively filters, for each of a plurality of filtering blocks, the motion-compensated frame generated by estimating and compensating for the motion of the current frame of an image, so as to generate a filtered motion-compensated frame, subtracts the filtered motion-compensated frame from the current frame to generate a residual frame, transforms and quantizes the residual frame, and encodes the transformed and quantized residual frame. According to the present invention, the motion-compensated frame is filtered to remove a large amount of the temporal redundancy remaining in the residual frame, thus improving video compression efficiency.
摘要翻译：本发明的实施例涉及使用运动补偿帧的选择性滤波的图像编码/解码方法和设备，并且涉及用于该运动补偿帧的帧间预测方法和设备。本发明的一个实施例提供了一种图像编码设备，其对于多个滤波块中的每一个选择性地滤波通过估计和补偿图像的当前帧的运动而生成的运动补偿帧，以便生成经过滤波的运动补偿帧，从当前帧中减去经滤波的运动补偿帧以产生残余帧，对残余帧进行变换和量化，并且对经变换和量化的残余帧进行编码。根据本发明，对运动补偿帧进行滤波以去除残留帧中剩余的大量时间冗余，从而提高视频压缩效率。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式