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. 发明授权

US09681132B2 Methods and apparatus for adaptive loop filtering in video encoders and decoders 有权
公开(公告)号：US09681132B2
公开(公告)日：2017-06-13
申请号：US13988470
申请日：2011-11-22
申请人： Qian Chen , Yunfei Zheng , Peng Yin , Xiaoan Lu , Joel Sole
发明人： Qian Chen , Yunfei Zheng , Peng Yin , Xiaoan Lu , Joel Sole
IPC分类号： H04N7/12 , H04N19/86 , G06T5/00 , H04N19/51 , H04N19/82 , H04N19/42
CPC分类号： H04N19/86 , G06T5/002 , H04N19/439 , H04N19/51 , H04N19/82
摘要： Various implementations provide filtering for pictures. Several such implementations attempt to reduce artifacts caused by over-filtering in a decoding loop. Certain of these implementations provide multiple loop filters, and select a loop filter based on the result of a deblocking 5 filter. One particular implementation applies a first filter to a picture to produce a filtered picture. A second filter is selected based on a difference between a value of a particular pixel in the filtered picture and a value of a corresponding pixel in the picture. The second filter is applied to the particular pixel in the filtered picture. In another implementation, a signal or signal structure includes 10 an indication of the second filter, an encoding of at least a portion of a picture, and an encoding of at least a portion of a subsequent picture that has been encoded based on the output of the second filter above.

2. 发明申请

US20130243104A1 ADAPTIVE LOOP FILTERING 有权
标题翻译：自适应环路滤波
公开(公告)号：US20130243104A1
公开(公告)日：2013-09-19
申请号：US13988470
申请日：2011-11-22
申请人： Qian Chen , Yunfei Zheng , Peng Yin , Xiaoan Lu , Joel Sole
发明人： Qian Chen , Yunfei Zheng , Peng Yin , Xiaoan Lu , Joel Sole
IPC分类号： H04N7/26
CPC分类号： H04N19/86 , G06T5/002 , H04N19/439 , H04N19/51 , H04N19/82
摘要： Various implementations provide filtering for pictures. Several such implementations attempt to reduce artifacts caused by over-filtering in a decoding loop. Certain of these implementations provide multiple loop filters, and select a loop filter based on the result of a deblocking 5 filter. One particular implementation applies a first filter to a picture to produce a filtered picture. A second filter is selected based on a difference between a value of a particular pixel in the filtered picture and a value of a corresponding pixel in the picture. The second filter is applied to the particular pixel in the filtered picture. In another implementation, a signal or signal structure includes 10 an indication of the second filter, an encoding of at least a portion of a picture, and an encoding of at least a portion of a subsequent picture that has been encoded based on the output of the second filter above.
摘要翻译：各种实现为图片提供过滤。几个这样的实现尝试减少由解码循环中的过滤引起的伪像。这些实现中的某些实现提供多个环路滤波器，并且基于去块5滤波器的结果来选择环路滤波器。一个特定的实施方案将第一滤波器应用于图像以产生滤波图像。基于滤波图像中的特定像素的值与图像中的对应像素的值之间的差异来选择第二滤波器。第二个滤波器被应用于滤波图像中的特定像素。在另一实施方案中，信号或信号结构包括：第二滤波器的指示，图像的至少一部分的编码，以及基于输出的编码的后续图像的至少一部分的编码上面的第二个过滤器。

3. 发明授权

US11044483B2 Methods and apparatus for improved intra chroma encoding and decoding 有权
公开(公告)号：US11044483B2
公开(公告)日：2021-06-22
申请号：US13389872
申请日：2010-08-11
申请人： Qian Xu , Yunfei Zheng , Xiaoan Lu , Peng Yin , Joel Sole
发明人： Qian Xu , Yunfei Zheng , Xiaoan Lu , Peng Yin , Joel Sole
IPC分类号： H04N19/00 , H04N19/186 , H04N19/70 , H04N19/147 , H04N19/196 , H04N19/463 , H04N19/176 , H04N19/46 , H04N19/11 , H04N7/00
摘要： Methods and apparatus are provided for improved chroma encoding and decoding. An apparatus includes an encoder for encoding picture data for at least a block in a picture. Multiple partition types are supported for intra chroma coding of the block. The multiple partition types include a set of chroma partition types and a set of luma partition types. The set of chroma partition types are different than the set of luma partition types.

4. 发明授权

US09883207B2 Methods and apparatus for adaptive coupled pre-processing and post-processing filters for video encoding and decoding 有权
公开(公告)号：US09883207B2
公开(公告)日：2018-01-30
申请号：US13518942
申请日：2010-12-02
申请人： Kiran Misra , Joel Sole , Peng Yin , Xiaoan Lu , Yunfei Zheng , Qian Xu
发明人： Kiran Misra , Joel Sole , Peng Yin , Xiaoan Lu , Yunfei Zheng , Qian Xu
IPC分类号： H04N7/26 , H04N7/30 , H04N19/86 , H04N19/102 , H04N19/107 , H04N19/117 , H04N19/186 , H04N19/44 , H04N19/82 , H04N19/42 , H04N19/85
CPC分类号： H04N19/86 , H04N19/102 , H04N19/107 , H04N19/117 , H04N19/186 , H04N19/42 , H04N19/44 , H04N19/82 , H04N19/85
摘要： Methods and apparatus are provided for adaptive coupled pre-processing and post-processing filters for video encoding and decoding. The apparatus and method encode input data for a picture into a resultant bitstream, wherein said video encoder comprises a pre-filter and a post-filter coupled to the pre-filter, wherein said pre-filter filters the input data for the picture and the post-filter filters in-loop reconstructed data for the picture.

5. 发明授权

US09516341B2 Methods and apparatus for reduced complexity template matching prediction for video encoding and decoding 有权
标题翻译：降低复杂度的方法和装置，用于视频编码和解码的模板匹配预测
公开(公告)号：US09516341B2
公开(公告)日：2016-12-06
申请号：US13522347
申请日：2011-01-19
申请人： Yunfei Zheng , Peng Yin , Xiaoan Lu , Qian Xu , Joel Sole
发明人： Yunfei Zheng , Peng Yin , Xiaoan Lu , Qian Xu , Joel Sole
IPC分类号： H04N7/32 , H04N19/57 , H04N19/56 , H04N19/105 , H04N19/176 , H04N19/70 , H04N19/46 , H04N19/103 , H04N19/117 , H04N19/186 , H04N19/174 , H04N19/523
CPC分类号： H04N19/523 , H04N19/103 , H04N19/105 , H04N19/117 , H04N19/13 , H04N19/15 , H04N19/159 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/182 , H04N19/186 , H04N19/46 , H04N19/56 , H04N19/57 , H04N19/573 , H04N19/61 , H04N19/70
摘要： There are provided methods and apparatus for reduced complexity template matching prediction for video encoding and decoding. The encoding method encodes at least an image block in a picture using template matching prediction, wherein the template matching prediction is selectably constrained using one or more constraining criterion that reduces a complexity of performing the template matching prediction.
摘要翻译：提供了用于减少视频编码和解码的复杂度模板匹配预测的方法和装置。编码方法使用模板匹配预测对至少图像中的图像块进行编码，其中使用减少执行模板匹配预测的复杂度的一个或多个限制标准可选择地约束模板匹配预测。

6. 发明授权

US09167270B2 Methods and apparatus for efficient adaptive filtering for video encoders and decoders 有权
标题翻译：用于视频编码器和解码器的高效自适应滤波的方法和装置
公开(公告)号：US09167270B2
公开(公告)日：2015-10-20
申请号：US13497476
申请日：2010-10-15
申请人： Weiyao Lin , Yunfei Zheng , Peng Yin , Joel Sole , Xiaoan Lu , Qian Xu
发明人： Weiyao Lin , Yunfei Zheng , Peng Yin , Joel Sole , Xiaoan Lu , Qian Xu
IPC分类号： H04N19/117 , H04N19/14 , H04N19/85 , H04N19/176 , H04N19/70 , H04N19/147 , H04N19/172 , H04N19/46 , H04N19/61 , H04N19/17 , H04N19/192 , H04N19/82
CPC分类号： H04N19/85 , H04N19/117 , H04N19/14 , H04N19/147 , H04N19/17 , H04N19/172 , H04N19/176 , H04N19/192 , H04N19/46 , H04N19/61 , H04N19/70 , H04N19/82
摘要： Methods and apparatus are provided for efficient adaptive filtering for video encoders and decoders. An apparatus includes a video encoder for encoding picture data for at least a portion of a picture using adaptive filtering. The video encoder includes an adaptive filter for performing the adaptive filtering. A final filter coefficient set used for the adaptive filtering is determined by iteratively estimating a plurality of filter coefficient sets and selecting a last estimated one of the plurality of filter coefficient sets as the final filter coefficient set when a last iteration corresponding to the last estimated one of the plurality of filter coefficient sets results in a quality improvement above a threshold value for the portion.
摘要翻译：提供了用于视频编码器和解码器的有效自适应滤波的方法和装置。一种装置包括：视频编码器，用于使用自适应滤波对图像的至少一部分编码图像数据。视频编码器包括用于执行自适应滤波的自适应滤波器。用于自适应滤波的最终滤波器系数组通过迭代估计多个滤波器系数组并选择多个滤波器系数组中的最后估计的一个作为当对应于最后估计的最后迭代的最后一次迭代时的最终滤波器系数来确定多个滤波器系数组的质量改进导致高于该部分的阈值的质量改进。

7. 发明授权

US09154798B2 Methods and apparatus for efficient video encoding and decoding of intra prediction mode 有权
标题翻译：用于帧内预测模式的高效视频编码和解码的方法和装置
公开(公告)号：US09154798B2
公开(公告)日：2015-10-06
申请号：US13496052
申请日：2010-09-14
申请人： Liwei Guo , Peng Yin , Yunfei Zheng , Xiaoan Lu , Qian Xu , Joel Sole
发明人： Liwei Guo , Peng Yin , Yunfei Zheng , Xiaoan Lu , Qian Xu , Joel Sole
IPC分类号： H04N19/176 , H04N19/14 , H04N19/46 , H04N19/61 , H04N19/593 , H04N19/11
CPC分类号： H04N19/14 , H04N19/11 , H04N19/176 , H04N19/46 , H04N19/463 , H04N19/593 , H04N19/61
摘要： Methods and apparatus are provided for efficient video encoding and decoding of intra prediction mode. An apparatus includes a video encoder for encoding picture data for at least a block in a picture by determining a spatial pattern for a decoded intra prediction mode residue used to reconstruct the picture at the video encoder. The decoded intra prediction mode residue is obtained by inverse quantizing and inverse transforming a transformed and quantized difference between an original version of the block and at least one reference block. The spatial pattern is used to determine an intra prediction mode for encoding the block.
摘要翻译：提供了用于帧内预测模式的有效视频编码和解码的方法和装置。一种装置包括一个视频编码器，用于通过确定用于在视频编码器处重构图像的解码帧内预测模式残差的空间模式来对图像中的至少一个块的图像数据进行编码。通过对块的原始版本与至少一个参考块进行逆量化和逆变换变换和量化的差异来获得解码的帧内预测模式残差。空间模式用于确定用于编码块的帧内预测模式。

8. 发明申请

US20130064301A1 METHODS AND APPARATUS FOR ADAPTIVE MOTION VECTOR CANDIDATE ORDERING FOR VIDEO ENCODING AND DECODING 有权
标题翻译：自适应运动矢量候选方法和装置用于视频编码和解码的方法
公开(公告)号：US20130064301A1
公开(公告)日：2013-03-14
申请号：US13698468
申请日：2011-05-17
申请人： Liwei Guo , Peng Yin , Yunfei Zheng , Joel Sole , Qian Xu , Xiaoan Lu
发明人： Liwei Guo , Peng Yin , Yunfei Zheng , Joel Sole , Qian Xu , Xiaoan Lu
IPC分类号： H04N7/32
CPC分类号： H04N19/52 , H04N19/139 , H04N19/44 , H04N19/567 , H04N19/70
摘要： Methods and apparatus are provided for adaptive motion vector candidate ordering for video encoding and decoding. An apparatus includes a video encoder for encoding a block in a picture by selecting an order of motion vector predictor candidates for the block responsive to a characteristic available at both the video encoder and a corresponding decoder. The characteristic excludes a mode in which the block is partitioned.
摘要翻译：提供了用于视频编码和解码的自适应运动矢量候选排序的方法和装置。一种装置包括：视频编码器，用于响应于在视频编码器和对应的解码器上可用的特性，选择图像中的块的运动矢量预测器候选的顺序来对图像中的块进行编码。该特征排除块分割的模式。

9. 发明申请

US20120281752A1 METHODS AND APPARATUS FOR ADAPTIVE RESIDUAL UPDATING OF TEMPLATE MATCHING PREDICTION FOR VIDEO ENCODING AND DECODING 审中-公开
标题翻译：适用于视频编码和解码的模板匹配预测的适应性更新方法和装置
公开(公告)号：US20120281752A1
公开(公告)日：2012-11-08
申请号：US13514814
申请日：2010-12-02
申请人： Yunfei Zheng , Peng Yin , Joel Sole , Xiaoan Lu , Qian Xu
发明人： Yunfei Zheng , Peng Yin , Joel Sole , Xiaoan Lu , Qian Xu
IPC分类号： H04N7/32 , H04N7/26 , H04N7/50
摘要： Methods and apparatus are provided for adaptive residual updating of template matching prediction for video encoding and decoding. In one embodiment, an apparatus and method encodes picture data for at least a block in a picture using template matching prediction, wherein the template matching prediction involves selecting from among a plurality of residual updating schemes for use in encoding the block. In another embodiment, an apparatus and method encodes a block in a picture using template matching prediction, wherein the template matching prediction involves partitioning the block into a plurality of sub-blocks, and applying a transform to a residual of a particular sub-block from among the plurality of sub-blocks subsequent to searching for a prediction for the particular sub-block block and prior to completion of processing of the block with respect to the template matching prediction.
摘要翻译：提供了用于视频编码和解码的模板匹配预测的自适应残差更新的方法和装置。在一个实施例中，一种装置和方法使用模板匹配预测对图片中的至少一个块的图像数据进行编码，其中模板匹配预测涉及从用于编码块的多个残留更新方案中进行选择。在另一个实施例中，一种装置和方法使用模板匹配预测对图片中的块进行编码，其中模板匹配预测涉及将块划分成多个子块，并将变换应用于特定子块的残差在针对特定子块块搜索预测之后的多个子块中以及在相对于模板匹配预测完成块的处理之前的多个子块中。

10. 发明申请

US20120140830A1 METHODS AND APPARATUS FOR IMPROVED INTRA CHROMA ENCODING AND DECODING 审中-公开
标题翻译：改进内部色谱编码和解码的方法和装置
公开(公告)号：US20120140830A1
公开(公告)日：2012-06-07
申请号：US13389872
申请日：2010-08-11
申请人： Qian Xu , Yunfei Zheng , Xiaoan Lu , Peng Yin , Joel Sole
发明人： Qian Xu , Yunfei Zheng , Xiaoan Lu , Peng Yin , Joel Sole
IPC分类号： H04N7/26
CPC分类号： H04N19/186 , H04N19/11 , H04N19/147 , H04N19/176 , H04N19/196 , H04N19/46 , H04N19/463 , H04N19/70
摘要： Methods and apparatus are provided for improved chroma encoding and decoding. An apparatus includes an encoder for encoding picture data for at least a block in a picture. Multiple partition types are supported for intra chroma coding of the block. The multiple partition types include a set of chroma partition types and a set of luma partition types. The set of chroma partition types are different than the set of luma partition types.
摘要翻译：提供了用于改进色度编码和解码的方法和装置。一种装置包括：编码器，用于编码图像中的至少一个块的图像数据。支持块的帧内色度编码的多个分区类型。多个分区类型包括一组色度分区类型和一组亮度分区类型。色度分区类型的集合与亮度分区类型的集合不同。

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