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51.发明公开
公开(公告)号：EP3354024A1
公开(公告)日：2018-08-01
申请号：EP16775933.1
申请日：2016-09-20
发明人： RAMASUBRAMONIAN, Adarsh Krishnan , RUSANOVSKYY, Dmytro , SOLE ROJALS, Joel , LEE, Sungwon , BUGDAYCI SANSLI, Done , KARCZEWICZ, Marta
IPC分类号： H04N19/36 , H04N19/46 , H04N19/70 , H04N19/80 , H04N19/85 , H04N19/117 , H04N19/154 , H04N19/174 , H04N19/186
CPC分类号： H04N19/463 , H04N19/117 , H04N19/124 , H04N19/154 , H04N19/174 , H04N19/184 , H04N19/186 , H04N19/36 , H04N19/44 , H04N19/46 , H04N19/60 , H04N19/66 , H04N19/70 , H04N19/80 , H04N19/85
摘要： This disclosure relates to processing video data, including processing video data that is represented by an HDR/WCG color representation. In accordance with one or more aspects of the present disclosure, one or more Supplemental Enhancement Information (SEI) Messages may be used to signal syntax elements and or other information that allow a video decoder or video postprocessing device to reverse the dynamic range adjustment (DRA) techniques of this disclosure to reconstruct the original or native color representation of the video data. Dynamic range adjustment (DRA) parameters may be applied to video data in accordance with one or more aspects of this disclosure in order to make better use of an HDR/WCG color representation, and may include the use of global offset values, as well as local scale and offset values for partitions of color component values.
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公开(公告)号：EP2157796B1
公开(公告)日：2018-05-30
申请号：EP08764069.4
申请日：2008-06-10
申请人： Sun Patent Trust
发明人： WEDI, Thomas , KNICKER, Florian
IPC分类号： G06T5/50 , H04N19/46 , H04N19/60 , H04N19/61 , H04N19/80 , H04N19/117 , H04N19/154 , H04N19/172 , H04N19/192
CPC分类号： G06T5/50 , H04N19/117 , H04N19/154 , H04N19/172 , H04N19/192 , H04N19/46 , H04N19/60 , H04N19/61 , H04N19/80
摘要： The present invention relates to image enhancement by exploiting statistical properties of reference images. In particular, images may be sharpened by reconstructing missing frequency components in accordance with statistical constraints that are determined from higher order statistical properties of a reference image that corresponds to the difference of the original image and a lowpass filtered version thereof. This form of statistical image enhancement may also be applied to image and video coding in order to achieve superior image qualities at higher compression gains by transmitting statistical properties of the coding error together with the encoded images.
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公开(公告)号：EP3313075A1
公开(公告)日：2018-04-25
申请号：EP17205955.2
申请日：2012-05-28
申请人： Sony Corporation
发明人： Ikeda, Masaru
IPC分类号： H04N19/42 , H04N19/82 , H04N19/80 , H04N19/136 , H04N19/182 , H04N19/117
CPC分类号： H04N19/80 , H04N19/117 , H04N19/124 , H04N19/136 , H04N19/182 , H04N19/42 , H04N19/82
摘要： The present technology relates to an image processing device and an image processing method which allow a deblocking filtering process to apply filtering appropriately. A pixel (p0 i ) of which the value is 255 (solid line) before a deblocking process changes greatly to 159 (dot line) after a conventional deblocking process. Therefore, a clipping process having a clipping value of 10 is performed in strong filtering, whereby the pixel (p0 i ) of which the value is 255 (solid line) before the deblocking process becomes 245 (bold line). Thus, a change in the pixel value occurring in the conventional technique can be suppressed as much as possible. This disclosure can be applied to an image processing device, for example.
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公开(公告)号：EP3311573A1
公开(公告)日：2018-04-25
申请号：EP16734830.9
申请日：2016-06-22
发明人： SAID, Amir , ZHAO, Xin , CHIEN, Wei-Jung , CHEN, Jianle , KARCZEWICZ, Marta
IPC分类号： H04N19/593 , H04N19/80 , H04N19/436 , H04N19/117
CPC分类号： H04N19/61 , H04N19/10 , H04N19/117 , H04N19/192 , H04N19/436 , H04N19/593 , H04N19/615 , H04N19/70 , H04N19/80 , H04N19/82 , H04N19/86 , H04N19/91
摘要： An example method of decoding video data includes obtaining, from a coded video bitstream and for a current block of the video data, an indication of an intra-prediction mode that identifies an initial predictive block; filtering, in parallel, samples in a current line of a plurality of lines of the initial predictive block based on filtered values of samples in a preceding line of the plurality of lines and unfiltered values of samples in the current line to generate filtered values for samples for the current line; and reconstructing, using intra prediction, values of samples of the current block based on the filtered values of the samples of the current initial predictive block and residual data for the current block that represents a difference between the filtered values of the samples of the current initial predictive block and the values of samples of the current block.
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公开(公告)号：EP2204047B1
公开(公告)日：2018-04-25
申请号：EP08840461.1
申请日：2008-10-14
发明人： YIN, Peng , LUO, Jiancong , GAO, Yong Ying , WU, Yu Wen
IPC分类号： H04N19/159 , H04N19/176 , H04N19/46 , H04N19/30 , H04N19/134 , H04N19/184 , H04N19/80 , H04N19/82 , H04N19/86 , H04N19/36
CPC分类号： H04N19/36 , H04N19/134 , H04N19/159 , H04N19/176 , H04N19/184 , H04N19/30 , H04N19/46 , H04N19/80 , H04N19/82 , H04N19/86
摘要： Apparatus and methods are described for encoding and decoding an enhancement layer. A deblocking filter is applied at the enhancement layer for bit depth scalability. The deblocking filter is adjusted to remove coding artifacts caused by local inverse tone mapping for intra-layer texture prediction for the bit depth scalability. The boundary strength of the deblocking filter is adjusted based on a threshold that, in turn, is based on a difference of inverse tone mapping parameters for a block and an adjacent block.
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56.发明公开IMAGE CODING METHOD, IMAGE DECODING METHOD, IMAGE CODING DEVICE AND IMAGE DECODING DEVICE 审中-公开图像编码方法，图像解码方法，图像编码装置和图像解码装置
公开(公告)号：EP3310058A1
公开(公告)日：2018-04-18
申请号：EP16807050.6
申请日：2016-03-18
CPC分类号： H04N19/61 , G06T9/002 , H04N19/109 , H04N19/11 , H04N19/117 , H04N19/147 , H04N19/156 , H04N19/17 , H04N19/51 , H04N19/593 , H04N19/70 , H04N19/80 , H04N19/82 , H04N19/85
摘要： The image encoding method includes: encoding an image including a block by performing, in at least one of intra prediction, inter prediction, and an in-loop filter, a non-linear process by which the input-output relationship becomes non-linear (S11); and encoding an operation parameter of a non-linear filter to be used in the non-linear process (S12).
摘要翻译： 该图像编码方法包括：通过在帧内预测，帧间预测和环内滤波器中的至少一个中执行使输入输出关系变为非线性的非线性处理来对包括块的图像进行编码（ S11）; 并编码要在非线性处理中使用的非线性滤波器的操作参数（S12）。
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57.发明授权INTER-LAYER SAMPLE ADAPTIVE FILTER PARAMETERS RE-USE FOR SCALABLE VIDEO CODING 有权层间样本自适应滤波器参数重新用于可扩展视频编码
公开(公告)号：EP2901675B1
公开(公告)日：2018-03-14
申请号：EP12885777.8
申请日：2012-09-25
申请人： Intel Corporation
发明人： XU, Lidong , CHIU, Yi-Jen , DENG, Zhipin , ZHANG, Wenhao , HAN, Yu , CAI, Xiaoxia , JIANG, Hong
IPC分类号： H04N19/00 , H04N19/30 , H04N19/463 , H04N19/80 , H04N19/82
CPC分类号： H04N19/30 , H04N19/463 , H04N19/80 , H04N19/82
摘要： Described herein are techniques related to re-use of filter parameters, and particularly Sample Adaptive Offset (SAO) parameters, of a lower-layer bitstream or a coded enhancement layer bitstream for coding enhancement layer bitstream in a scalable video encoding.
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58.发明公开
公开(公告)号：EP3280145A1
公开(公告)日：2018-02-07
申请号：EP17192209.9
申请日：2011-07-15
发明人： MIN, Jung-Hye , LEE, Sun Sun-Il , HAN, Woo-Jin
IPC分类号： H04N19/176 , H04N19/593 , H04N19/11 , H04N19/14 , H04N19/105 , H04N19/196 , H04N19/80
CPC分类号： H04N19/593 , H04N19/105 , H04N19/11 , H04N19/14 , H04N19/167 , H04N19/176 , H04N19/182 , H04N19/196 , H04N19/513 , H04N19/80 , H04N19/91
摘要： A method and apparatus for encoding and decoding an image through intra prediction using a pixel of the neighboring block along an extended line having a predetermined gradient about a pixel inside the current block.
摘要翻译： 一种用于通过使用沿着具有关于当前块内的像素的预定梯度的延长线的相邻块的像素的帧内预测来编码和解码图像的方法和装置。
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公开(公告)号：EP3270592A1
公开(公告)日：2018-01-17
申请号：EP17186037.2
申请日：2012-11-07
IPC分类号： H04N19/13 , H04N19/139 , H04N19/117 , H04N19/136 , H04N19/14 , H04N19/44 , H04N19/80 , H04N19/82 , H04N19/85 , H04N19/86
CPC分类号： H04N19/85 , H04N19/117 , H04N19/13 , H04N19/136 , H04N19/139 , H04N19/14 , H04N19/44 , H04N19/80 , H04N19/82 , H04N19/86
摘要： A method of performing sample adaptive offset (SAO) filtering on a sequence of images comprises associating a fixed set of four offset values with at least one direction of edge-type filtering. For every image area for which it is determined that edge-type filtering is to be used and for which it is determined that a direction of the edge-type filtering is said at least one direction, the fixed set of four offset values associated with said at least one direction is systematically used. Corresponding methods of generating SAO parameters and methods of encoding and decoding sequences of images are also provided.
摘要翻译： 对图像序列执行样本自适应偏移（SAO）滤波的方法包括将固定的一组四个偏移值与边缘类型滤波的至少一个方向相关联。 对于确定要使用边缘类型滤波并且确定边缘类型滤波的方向是所述至少一个方向的每个图像区域，与所述至少一个方向相关联的固定的一组四个偏移值 系统地使用至少一个方向。 还提供了产生SAO参数的相应方法以及图像的编码和解码序列的方法。
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公开(公告)号：EP3259919A1
公开(公告)日：2017-12-27
申请号：EP16706421.1
申请日：2016-02-19
发明人： WANG, Zehan , BISHOP, Robert David , SHI, Wenzhe , CABALLERO, Jose , AITKEN, Andrew Peter , TOTZ, Johannes
IPC分类号： H04N19/46 , G06T3/40 , H04N19/117 , H04N19/154 , H04N19/80 , H04N19/59 , H04N19/86 , G06T5/00 , H04N19/177 , H04N19/142
CPC分类号： H04N19/36 , G06K9/46 , G06K9/6215 , G06K9/66 , G06N3/04 , G06N3/0445 , G06N3/0454 , G06N3/049 , G06N3/08 , G06T3/40 , G06T3/4007 , G06T3/4046 , G06T3/4053 , G06T5/001 , G06T5/002 , G06T7/11 , G06T2207/10016 , G06T2207/20081 , G06T2207/20084 , H04N7/0117 , H04N19/117 , H04N19/142 , H04N19/154 , H04N19/172 , H04N19/176 , H04N19/177 , H04N19/31 , H04N19/33 , H04N19/46 , H04N19/59 , H04N19/80 , H04N19/86 , H04N19/87
摘要： A method for enhancing visual data when communicating visual data over a network from a first node to a second node. The method at the first node comprises developing at least one modified hierarchical algorithm from a known hierarchical algorithm operable to substantially recreate at least one section of higher-quality visual data. References to one or more known hierarchical algorithms from which the modified hierarchical algorithms were developed are transmitted to the second node along with one or more modifications to the one or more known hierarchical algorithms operable to reproduce the one or more modified hierarchical algorithms from the known hierarchical algorithms. The second node is able to recreate substantially the higher-quality video using the modified hierarchical algorithm.
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