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

WO2015165030A1 ENCODER-SIDE DECISIONS FOR SAMPLE ADAPTIVE OFFSET FILTERING 审中-公开
标题翻译：用于样本自适应偏移滤波的编码器方面的决策
公开(公告)号：WO2015165030A1
公开(公告)日：2015-11-05
申请号：PCT/CN2014/076446
申请日：2014-04-29
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC , LI, Bin , ZHOU, You , XU, Jizheng , LIN, Chih-Lung , WU, Feng
发明人： LI, Bin , ZHOU, You , XU, Jizheng , LIN, Chih-Lung , WU, Feng
IPC分类号： H04N19/61
CPC分类号： H04N19/117 , H04N19/132 , H04N19/14 , H04N19/157 , H04N19/172 , H04N19/1883 , H04N19/70 , H04N19/82 , H04N19/86
摘要： Disclosed herein are exemplary embodiments of innovations in the area of encoding pictures or portions of pictures (e.g., slices, coding tree units, or coding units) and determining whether and how certain filtering operation should be performed and flagged for performance by the decoder in the bitstream. In particular examples, various implementations for setting the sample adaptive offset (SAO) syntax elements in the H.265/HEVC standard are disclosed. Although these examples concern the H.265/HEVC standard and its SAO filter, the disclosed technology is more widely applicable to other video codecs that involve filtering operations (particularly multi-stage filtering operations) as part of their encoding and decoding processes.
摘要翻译：这里公开了对图像或图像的部分（例如，切片，编码树单元或编码单元）进行编码的区域中的创新的示例性实施例，并且确定是否以及如何执行某些滤波操作以及如何由解码器在比特流。在具体示例中，公开了用于设置H.265 / HEVC标准中的样本自适应偏移（SAO）语法元素的各种实施方式。尽管这些示例涉及H.265 / HEVC标准及其SAO滤波器，但是所公开的技术更广泛地适用于涉及其编码和解码过程的一部分的滤波操作（特别是多级滤波操作）的其它视频编解码器。

2. 发明申请

WO2016200714A2 SEARCH STRATEGIES FOR INTRA-PICTURE PREDICTION MODES 审中-公开
标题翻译：搜索策略进行图像预测模式
公开(公告)号：WO2016200714A2
公开(公告)日：2016-12-15
申请号：PCT/US2016/035951
申请日：2016-06-06
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： ZHOU, You , LIN, Chih-Lung , LEE, Ming-Chieh , LI, Binlong
IPC分类号： H04N19/11 , H04N19/147 , H04N19/176 , H04N19/192 , H04N19/593
CPC分类号： H04N19/593 , H04N19/11 , H04N19/147 , H04N19/176 , H04N19/192 , H04N19/51
摘要： Innovations are presented that reduce the computational complexity of video encoding by selectively skipping certain evaluation stages during intra-picture prediction. A video encoder receives and encodes a current picture. As part of the encoding, for a current block of the current picture, the video encoder evaluates at least some intra-picture prediction modes ("IPPMs"). According to a search strategy, the video encoder selectively skips time-consuming evaluation of certain IPPMs for the current block when those IPPMs are not expected to improve rate-distortion performance, which can dramatically speed up the encoding process. For example, the video encoder conditionally performs a gradient search among angular IPPMs. Or, as another example, the video encoder selectively skips evaluation of IPPMs depending on a cost of encoding the current block using motion compensation. Or, as another example, the video encoder prioritizes IPPMs evaluated for a block of chroma sample values.
摘要翻译：提出了创新，通过在图像内预测期间有选择地跳过某些评估阶段来降低视频编码的计算复杂度。视频编码器接收并编码当前画面。作为编码的一部分，对于当前图像的当前块，视频编码器至少评估一些画面内预测模式（“IPPM”）。根据搜索策略，当这些IPPM不期望提高速率失真性能时，视频编码器有选择地跳过对当前块的某些IPPM的耗时评估，这可以显着加速编码过程。例如，视频编码器有条件地在角度IPPM之间执行梯度搜索。或者，作为另一示例，视频编码器根据使用运动补偿对当前块进行编码的成本选择性地跳过IPPM的评估。或者，作为另一示例，视频编码器对针对色度采样值的块评估的IPPM进行优先级排序。

3. 发明申请

WO2019022843A1 EFFECTIVE INTRA ENCODING FOR SCREEN DATA 审中-公开
公开(公告)号：WO2019022843A1
公开(公告)日：2019-01-31
申请号：PCT/US2018/034970
申请日：2018-05-30
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： ZHOU, You , LIN, Chih-Lung , LEE, Ming Chieh
IPC分类号： H04N19/593 , H04N19/119 , H04N19/172 , H04N19/136 , H04N19/88
摘要： Various embodiments of the present technology generally relate to encoding techniques. More specifically, some embodiments relate to encoding techniques for screen data. Intra block copy (IntraBC) using motion compensation within a frame (not between frames) is very useful for encoding data captured from screen. Unfortunately, this tool is not included in most of video coding standards, including the base version of HEVC (i.e., H.265). Various embodiments of the present technology utilize encoding techniques to simulate IntraBC with compliant syntax. For example, embodiments divide a high-resolution frame into smaller areas and then encode these areas independently as if these smaller areas were independent frames.

4. 发明申请

WO2017015312A1 ADAPTIVE SKIP OR ZERO BLOCK DETECTION COMBINED WITH TRANSFORM SIZE DECISION 审中-公开
标题翻译：自适应跳跃或零块检测与变换尺寸决策组合
公开(公告)号：WO2017015312A1
公开(公告)日：2017-01-26
申请号：PCT/US2016/043028
申请日：2016-07-20
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： ZHOU, You , SABLIN, Sergey , LIN, Chih-Lung , LEE, Ming-Chieh
IPC分类号： H04N19/132 , H04N19/136 , H04N19/122
CPC分类号： H04N19/124 , H04N19/122 , H04N19/132 , H04N19/136 , H04N19/172 , H04N19/176 , H04N19/64
摘要： Disclosed herein are exemplary embodiments of innovations in the area of encoding pictures or portions of pictures and determining whether and how certain encoding operations should be performed and flagged for performance by the decoder in the bitstream. In particular examples, various implementations for selectively encoding picture portions ( e.g. , blocks) in a skip mode ( e.g. , as in the skip mode of the H.265/HEVC standard) are disclosed. Embodiments of the disclosed techniques can be used to improve encoder efficiency, decrease overall encoder resource usage, and/or improve encoder speed. Such embodiments can be used in encoder modes in which efficient, fast encoder performance is desired (e.g., during encoding of live events, such as video conferencing).
摘要翻译：这里公开了对图像或图像部分进行编码的领域的创新的示例性实施例，并且确定是否以及如何执行某些编码操作以及如何由比特流中的解码器进行标记以用于演奏。在具体示例中，公开了以跳过模式（例如，如在H.265 / HEVC标准的跳过模式中）选择性地编码图像部分（例如，块）的各种实现方式。所公开的技术的实施例可以用于提高编码器效率，降低编码器资源使用总量，和/或提高编码器速度。这样的实施例可以用于需要有效的，快速的编码器性能的编码器模式（例如，在实时事件的编码期间，例如视频会议）。

5. 发明申请

WO2016205154A1 INTRA/INTER DECISIONS USING STILLNESS CRITERIA AND INFORMATION FROM PREVIOUS PICTURES 审中-公开
标题翻译： INTRA / INTER决定使用不确定的标准和信息从以前的图片
公开(公告)号：WO2016205154A1
公开(公告)日：2016-12-22
申请号：PCT/US2016/037303
申请日：2016-06-14
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： HOLCOMB, Thomas W. , LIN, Chih-Lung , ZHOU, You , LEE, Ming-Chieh , SABLIN, Sergey
IPC分类号： H04N19/107 , H04N19/137 , H04N19/147
CPC分类号： H04N19/11 , H04N19/107 , H04N19/137 , H04N19/147 , H04N19/176
摘要： The computational complexity of video encoding is reduced by selectively skipping certain evaluation stages when deciding whether to use inter-picture prediction or intra-picture prediction for a unit of a picture. For example, a video encoder receives a current picture of a video sequence and encodes the current picture. As part of the encoding, for a current unit (e.g., coding unit, macroblock) of the current picture, the encoder can skip time-consuming evaluation of intra-picture prediction modes for blocks of the current unit in situations in which motion compensation for the current unit is already expected to provide effective rate-distortion performance, and use of intra-picture prediction is unlikely to improve performance. In particular, evaluation of the intra-picture prediction modes for blocks of the current unit can be skipped when the current unit has little or no movement and intra-picture prediction has not been promising for the collocated unit in the previous picture.
摘要翻译：当决定是否对图像的单位使用帧间预测或图像内预测时，通过有选择地跳过某些评估阶段来减少视频编码的计算复杂度。例如，视频编码器接收视频序列的当前画面并对当前画面进行编码。作为编码的一部分，对于当前图像的当前单元（例如，编码单元，宏块），编码器可以跳过对当前单元的块的图像内预测模式的耗时评估，目前的单元已经预计将提供有效的失真性能，并且图像内预测的使用不太可能提高性能。特别地，当当前单元很少或没有移动时，可以跳过对当前单元的块的图像内预测模式的评估，并且对于前一图像中的并置单元，图像内预测尚未有希望。

6. 发明申请

WO2015105661A1 VIDEO ENCODING OF SCREEN CONTENT DATA 审中-公开
标题翻译：视频编码屏幕内容数据
公开(公告)号：WO2015105661A1
公开(公告)日：2015-07-16
申请号：PCT/US2014/071331
申请日：2014-12-19
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： SILKIN, Sergey , SABLIN, Sergey , ZHOU, You , LIN, Chih-Lung , LEE, Ming-Chieh
IPC分类号： H04N19/109 , H04N19/136 , H04N19/174
CPC分类号： H04N19/42 , H04N19/109 , H04N19/136 , H04N19/174 , H04N19/523
摘要： An input of an encoder receives moving image data comprising a sequence of frames to be encoded, each frame comprising a plurality of blocks in two dimensions with each block comprising a plurality of pixels in those two dimensions. A motion prediction module performs encoding by, for at least part of each of a plurality of said frames, coding each block relative to a respective reference portion of another frame of the sequence, with the respective reference portion being offset from the block by a respective motion vector. According to the present disclosure, the moving image data of this plurality of frames comprises a screen capture stream, and the motion prediction module is configured to restrict each of the motion vectors of the screen capture stream to an integer number of pixels in at least one of said dimensions.
摘要翻译：编码器的输入接收包括要编码的帧序列的运动图像数据，每个帧包括两维的多个块，每个块包括这两个维度中的多个像素。运动预测模块对于多个所述帧中的每一个的至少一部分执行编码，相对于序列的另一帧的相应参考部分对每个块进行编码，其中各个参考部分通过相应的块从块偏移运动矢量。根据本公开，该多个帧的运动图像数据包括屏幕捕获流，并且运动预测模块被配置为将屏幕捕获流中的每个运动矢量限制为至少一个像素的整数个像素的尺寸。

7. 发明申请

WO2019133158A1 CONSTRAINTS ON LOCATIONS OF REFERENCE BLOCKS FOR INTRA BLOCK COPY PREDICTION 审中-公开
公开(公告)号：WO2019133158A1
公开(公告)日：2019-07-04
申请号：PCT/US2018/062158
申请日：2018-11-21
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： ZHOU, You , LIN, Chih-Lung , LEE, Ming-Chieh
IPC分类号： H04N19/105 , H04N19/176 , H04N19/593
CPC分类号： H04N19/176 , H04N19/103 , H04N19/105 , H04N19/139 , H04N19/593
摘要： When encoding/decoding a current block of a current picture using intra block copy ("BC") prediction, the location of a reference block is constrained so that it can be entirely within an inner search area of the current picture or entirely within an outer search area of the current picture, but cannot overlap both the inner search area and the outer search area. In some hardware-based implementations, on-chip memory buffers sample values of the inner search area, and off-chip memory buffers sample values of the outer search area. By enforcing this constraint on the location of the reference block, an encoder/decoder can avoid memory access operations that are split between on-chip memory and off-chip memory when retrieving the sample values of the reference block. At the same time, a reference block close to the current block may be used for intra BC prediction, helping compression efficiency.

8. 发明申请

WO2017003978A1 COMPUTATIONALLY EFFICIENT SAMPLE ADAPTIVE OFFSET FILTERING DURING VIDEO ENCODING 审中-公开
标题翻译：视频编码期间的计算效率自适应偏移滤波
公开(公告)号：WO2017003978A1
公开(公告)日：2017-01-05
申请号：PCT/US2016/039701
申请日：2016-06-28
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： ZHOU, You , LIN, Chih-Lung , LEE, Ming-Chieh
IPC分类号： H04N19/117 , H04N19/176 , H04N19/172 , H04N19/136 , H04N19/82
CPC分类号： H04N19/117 , H04N19/136 , H04N19/172 , H04N19/176 , H04N19/1883 , H04N19/80 , H04N19/82
摘要： Disclosed herein are exemplary embodiments of innovations in the area of encoding pictures or portions of pictures ( e.g. , slices, coding tree units, or coding units) and determining whether and how certain filtering operation should be performed and flagged for performance by the decoder in the bitstream. In particular examples, various implementations for selectively performing and selectively skipping aspects of sample adaptive offset (SAO) filtering as in the H.265/HEVC standard are disclosed. Although these examples concern the H.265/HEVC standard and its SAO filter, the disclosed technology is more widely applicable to other video codecs that involve filtering operations as part of their encoding and decoding processes.
摘要翻译：这里公开了对图像或图像的部分（例如，切片，编码树单元或编码单元）进行编码的区域中的创新的示例性实施例，并且确定是否以及如何执行某些滤波操作以及如何由解码器在比特流。在具体示例中，公开了用于选择性地执行和选择性地跳过如H.265 / HEVC标准中的样本自适应偏移（SAO）滤波的方面的各种实施方式。尽管这些示例涉及H.265 / HEVC标准及其SAO滤波器，但是所公开的技术更广泛地应用于涉及作为其编码和解码过程的一部分的滤波操作的其它视频编解码器。

9. 发明申请

WO2016109309A2 COMPUTATIONALLY EFFICIENT MOTION ESTIMATION 审中-公开
标题翻译：计算有效运动估计
公开(公告)号：WO2016109309A2
公开(公告)日：2016-07-07
申请号：PCT/US2015/067240
申请日：2015-12-22
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： ZHOU, You , LIN, Chih-Lung , LI, Binlong , LEE, Ming-Chieh
IPC分类号： H04N19/56 , H04N19/117 , H04N19/137 , H04N19/17 , H04N19/523
CPC分类号： H04N19/523 , H04N19/117 , H04N19/137 , H04N19/17 , H04N19/56 , H04N19/82
摘要： The detailed description presents innovations in performing motion estimation during digital video media encoding. In one example embodiment, motion estimation is performed using a lower-complexity sub-pixel interpolation filter configured to compute sub-pixel values for two or more candidate prediction regions at a sub-pixel offset, the two or more candidate prediction regions being located in one or more reference frames. For a selected one of the candidate prediction regions at the sub-pixel offset, motion compensation is performed using a higher-complexity sub-pixel interpolation filter.
摘要翻译：详细描述介绍了在数字视频媒体编码期间执行运动估计的创新。在一个示例实施例中，使用较低复杂度子像素内插滤波器来执行运动估计，所述较低复杂度子像素内插滤波器被配置为在子像素偏移处计算两个或更多个候选预测区域的子像素值，所述两个或更多个候选预测区域位于一个或多个参考帧。对于子像素偏移的候选预测区域中的所选择的一个，使用较高复杂度的子像素内插滤波器来执行运动补偿。

10. 发明申请

WO2015105816A2 REPRESENTING MOTION VECTORS IN AN ENCODED BITSTREAM 审中-公开
标题翻译：在编码的BITSTREAM中表示运动矢量
公开(公告)号：WO2015105816A2
公开(公告)日：2015-07-16
申请号：PCT/US2015/010391
申请日：2015-01-07
申请人： MICROSOFT TECHNOLOGY LICENSING, LLC
发明人： SILKIN, Sergey , SABLIN, Sergey , ZHOU, You , LIN, Chih-Lung , LEE, Ming-Chieh , SULLIVAN, Gary J.
IPC分类号： H04N19/523
CPC分类号： H04N19/523 , H04N19/43 , H04N19/513 , H04N19/52 , H04N19/70
摘要： A format for use in encoding moving image data, comprising: a sequence of frames including plurality of the frames in which at least a region is encoded using motion estimation; a respective set of motion vector values representing motion vectors of the motion estimation for each respective one of these frames or each respective one of one or more regions within each of such frames; and at least one respective indicator associated with each of the respective frames or regions, indicating whether the respective motion vector values of the respective frame or region are encoded at a first resolution or a second resolution.
摘要翻译：一种用于编码运动图像数据的格式，包括：包括使用运动估计对至少一个区域进行编码的多个帧的帧序列; 表示这些帧中的每个相应的一个或每个这样的帧内的一个或多个区域中的每一个的运动估计的运动矢量的相应的一组运动矢量值; 以及与相应帧或区域中的每一个相关联的至少一个相应指示符，指示相应帧或区域的相应运动矢量值是以第一分辨率还是第二分辨率被编码。

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