专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明申请

WO2011111954A2 MOTION VECTOR ENCODING/DECODING METHOD AND APPARATUS USING A MOTION VECTOR RESOLUTION COMBINATION, AND IMAGE ENCODING/DECODING METHOD AND APPARATUS USING SAME 审中-公开
标题翻译：使用运动矢量分辨率组合的运动矢量编码/解码方法和装置，以及使用其的图像编码/解码方法和装置
公开(公告)号：WO2011111954A2
公开(公告)日：2011-09-15
申请号：PCT/KR2011001492
申请日：2011-03-04
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 , SEO CHANWON
发明人： LIM JEONGYEON , KIM SUNYEON , CHOI JAEHOON , LEE GYUMIN , HAN JONGKI , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , SEO CHANWON
IPC分类号： H04N7/32
CPC分类号： H04N19/517 , H04N19/50 , H04N19/523 , H04N19/567
摘要： The present invention relates to a motion vector encoding/decoding method and apparatus using a motion vector resolution combination, and to an image encoding/decoding method and apparatus using same. The motion vector encoding apparatus of the present invention comprises a motion information encoder which calculates, for each combination of a plurality of motion vector resolutions containing at least one motion vector resolution, the encoding costs on the basis of the motion vector resolutions, selects one combination of motion vector resolutions using the encoding costs calculated for each combination of motion vector resolutions, and outputs motion vector encoded data in which a motion vector is encoded, determined in accordance with the selected combination of motion vector resolutions. According to the present invention, the efficient combination of motion vector resolutions is adaptively selected, and motion vectors are determined on the basis of the selected combination and encoded, thereby improving compression efficiency.
摘要翻译：本发明涉及使用运动矢量分辨率组合的运动矢量编码/解码方法和装置，以及使用它的图像编码/解码方法和装置。本发明的运动矢量编码装置包括运动信息编码器，其针对包含至少一个运动矢量分辨率的多个运动矢量分辨率的每个组合计算基于运动矢量分辨率的编码成本，选择一个组合使用针对运动矢量分辨率的每个组合计算的编码成本的运动矢量分辨率，并且输出根据所选择的运动矢量分辨率的组合来确定运动矢量被编码的运动矢量编码数据。根据本发明，自适应地选择运动矢量分辨率的有效组合，并且基于所选择的组合来确定运动矢量并进行编码，从而提高压缩效率。

22. 发明申请

WO2011037337A3 METHOD AND APPARATUS FOR ENCODING/DECODING IMAGES CONSIDERING LOW FREQUENCY COMPONENTS 审中-公开
标题翻译：考虑低频分量对图像进行编码/解码的方法和设备
公开(公告)号：WO2011037337A3
公开(公告)日：2011-07-07
申请号：PCT/KR2010006018
申请日：2010-09-03
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , KIM HAEKWANG , JEON BYEUNGWOO , MOON JOOHEE , LEE YUNGLYUL , HAN JONGKI
发明人： KIM SUNYEON , LIM JEONGYEON , KIM HAEKWANG , JEON BYEUNGWOO , MOON JOOHEE , LEE YUNGLYUL , HAN JONGKI
IPC分类号： H04N7/24 , H04N7/30
CPC分类号： H04N19/86 , H04N19/119 , H04N19/122 , H04N19/124 , H04N19/136 , H04N19/176 , H04N19/61 , H04N19/91
摘要： The present invention relates to a method and an apparatus for encoding/decoding images considering low frequency components. The present invention provides an image encoding method comprising the steps of: predicting and encoding a present block to generate encoded image data and a recovered block; and generating encoded low frequency data by encoding only low frequency components of an error block generated through the subtraction of the present block and the recovered block. The present invention can reduce the block effect due to the conversion and the quantization and can improve the compression efficiency by encoding motion pictures considering the low frequency components.
摘要翻译：考虑低频分量的图像编码/解码的方法和设备本发明提供了一种图像编码方法，包括以下步骤：预测和编码当前块以产生编码图像数据和恢复块; 以及通过仅编码通过减去当前块和恢复块而生成的误差块的低频分量来生成编码的低频数据。本发明可以减小由于转换和量化所导致的块效应，并且通过考虑低频分量对编码运动图像进行编码可以提高压缩效率。

23. 发明申请

WO2011021913A3 METHOD AND APPARATUS FOR ENCODING/DECODING MOTION VECTOR CONSIDERING ACCURACY OF DIFFERENTIAL MOTION VECTOR AND APPARATUS AND METHOD FOR PROCESSING IMAGES THEREFOR 审中-公开
标题翻译：考虑微分运动矢量和设备的准确性来编码/解码运动矢量的方法和设备以及用于处理图像的方法
公开(公告)号：WO2011021913A3
公开(公告)日：2011-06-09
申请号：PCT/KR2010005570
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
CPC分类号： H04N19/523 , H04N19/61
摘要： The present invention relates to a method and an apparatus for encoding/decoding images using adaptive motion vector resolution. The method for encoding the images of the present invention comprises the steps of: determining motion vector resolution in each region or each motion vector; and performing inter-prediction encoding by using the motion vector according to the motion vector resolution determined in each region or each motion vector. The present invention can efficiently encode the images by adaptively changing the motion vector resolution in predetermined region units of the images and performing the inter-prediction encoding for the images.
摘要翻译：本发明涉及使用自适应运动矢量分辨率对图像进行编码/解码的方法和设备。本发明的用于编码图像的方法包括以下步骤：确定每个区域或每个运动矢量中的运动矢量分辨率; 以及根据在每个区域或每个运动矢量中确定的运动矢量分辨率，通过使用运动矢量来执行帧间预测编码。本发明能够通过自适应地改变图像的预定区域单元中的运动向量分辨率并且对图像执行帧间预测编码来有效地对图像进行编码。

24. 发明申请

WO2013005941A3 APPARATUS AND METHOD FOR CODING AND DECODING IMAGE 审中-公开
标题翻译：用于编码和解码图像的装置和方法
公开(公告)号：WO2013005941A3
公开(公告)日：2013-03-14
申请号：PCT/KR2012005078
申请日：2012-06-27
申请人： SK TELECOM CO LTD , LIM JEONGYEON , PARK JOONG GUNN , HAN JONGKI , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , SEO CHANWON
发明人： LIM JEONGYEON , PARK JOONG GUNN , HAN JONGKI , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , SEO CHANWON
IPC分类号： H04N7/32
CPC分类号： H04N19/52 , H04N19/105 , H04N19/117 , H04N19/139 , H04N19/176
摘要： The present invention relates to an apparatus and method for coding and decoding images. The apparatus for coding and decoding images includes: a parameter calculation unit for calculating a brightness compensation parameter on the basis of at least one first pixel adjacent to the current block and second pixels adjacent to at least one motion prediction block obtained using a predictive motion vector; a target pixel selection unit for selecting a target pixel for performing brightness compensation among the pixels within at least one prediction block, wherein the target pixel is determined by the motion vector with respect to the current block using peripheral pixels adjacent to the at least one motion prediction block; and a predictive coding unit applying the brightness compensation parameter to the selected target pixel to generate a compensation prediction block with respect to the at least one prediction block, thereby performing predictive coding.
摘要翻译：本发明涉及图像编码和解码的装置和方法。用于对图像进行编码和解码的装置包括：参数计算单元，用于基于与当前块相邻的至少一个第一像素和与使用预测运动矢量获得的至少一个运动预测块相邻的第二像素来计算亮度补偿参数 ; 目标像素选择单元，用于在至少一个预测块内的像素中选择用于进行亮度补偿的目标像素，其中，使用与所述至少一个运动相邻的周边像素，使用相对于当前块的运动矢量来确定目标像素预测块以及预测编码单元，将所述亮度补偿参数应用于所选择的目标像素，以相对于所述至少一个预测块生成补偿预测块，从而执行预测编码。

25. 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。

26. 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。

27. 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。

28. 发明申请

WO2011031044A2 ENCODING / DECODING METHOD AND DEVICE FOR HIGH-RESOLUTION MOVING IMAGES 审中-公开
标题翻译：用于高分辨率运动图像的编码/解码方法和设备
公开(公告)号：WO2011031044A2
公开(公告)日：2011-03-17
申请号：PCT/KR2010006017
申请日：2010-09-03
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , LEE YUNGLYUL , MOON JOOHEE , JEON BYEUNGWOO , KIM HAEKWANG , SEO JEONGHOON , KIM KIOH , HONG SUNGWOOK
发明人： KIM SUNYEON , LIM JEONGYEON , LEE YUNGLYUL , MOON JOOHEE , JEON BYEUNGWOO , KIM HAEKWANG , SEO JEONGHOON , KIM KIOH , HONG SUNGWOOK
IPC分类号： H04N7/32 , H04N7/24
CPC分类号： H04N19/119 , H04N19/105 , H04N19/117 , H04N19/122 , H04N19/129 , H04N19/14 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/61 , H04N19/80 , H04N19/86
摘要： The present invention relates to a high-resolution image encoding / decoding method and device. Provided is an image encoding method wherein the current block is predicted and a prediction block is generated, and a subtraction operation is carried out on the current block and the predicted block thereby generating a residual block, the conversion and quantization types are determined in accordance with the block type of the current block, the residual block is converted and quantized in accordance with the determined conversion and quantization types, and the converted and quantized residual block is encoded. The present invention makes it possible to carry out encoding using a high correlation of temporally / spatially adjacent pixels which depict an image such that not only can the encoding efficiency be increased but also block distortion can be decreased and compression efficiency can be improved, and makes it possible to reduce the number of times that filtering is carried out such that the complexity of devices for encoding and decoding images can be reduced.
摘要翻译：高分辨率图像编码/解码方法和装置技术领域本发明涉及高分辨率图像编码/ 提供了一种图像编码方法，其中，当前块被预测并且预测块被生成，并且对当前块和预测块执行减法运算，从而生成残余块，转换和量化类型根据当前块的块类型，根据确定的转换和量化类型对残差块进行转换和量化，并对转换和量化的残差块进行编码。本发明使得能够使用描绘图像的时间上/空间上相邻的像素的高相关性来执行编码，使得不仅可以提高编码效率，而且可以减小块失真并且可以改善压缩效率，并且使得有可能减少进行滤波的次数，从而可以减少用于编码和解码图像的设备的复杂性。

29. 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。

30. 发明申请

WO2011049321A3 METHOD AND APPARATUS FOR ENCODING/DECODING IMAGES USING THE FILTERING OF A MOTION-COMPENSATED FRAME 审中-公开
标题翻译：使用运动补偿帧滤波来编码/解码图像的方法和设备
公开(公告)号：WO2011049321A3
公开(公告)日：2011-08-18
申请号：PCT/KR2010007027
申请日：2010-10-14
申请人： SK TELECOM CO LTD , KIM SUNYEON , LIM JEONGYEON , CHOI JAEHOON , LEE GYUMIN , HAN JONGKI , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , YOO YOUNGJOE
发明人： KIM SUNYEON , LIM JEONGYEON , CHOI JAEHOON , LEE GYUMIN , HAN JONGKI , LEE YUNGLYUL , MOON JOOHEE , KIM HAEKWANG , JEON BYEUNGWOO , YOO YOUNGJOE
IPC分类号： H04N7/32 , H04N7/24
CPC分类号： H04N19/61 , H04N19/82
摘要： The present invention relates to a method and apparatus for encoding/decoding images using the filtering of a motion-compensated frame. The present invention provides an image-encoding method which filters a motion-compensated frame generated by estimating and compensating for motion of a current frame of an image, and converting, quantizing, and encoding the residual frame which is a difference between the current frame and the filtered motion-compensated frame. According to the present invention, the motion-compensated frame is filtered to thereby delete more temporal redundancy remaining in the residual frame, thus improving video compression efficiency.
摘要翻译：本发明涉及一种使用运动补偿帧的滤波对图像进行编码/ 本发明提供一种图像编码方法，其对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进行滤波，并且对作为当前帧与当前帧之间的差的残余帧进行转换，量化和编码经过滤的运动补偿帧。根据本发明，运动补偿帧被滤波，从而删除残留帧中剩余的更多时间冗余，从而提高了视频压缩效率。

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