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公开(公告)号：US20180098094A1
公开(公告)日：2018-04-05
申请号：US15725101
申请日：2017-10-04
发明人： Bihan WEN , Harshad KADU , Guan-Ming SU
IPC分类号： H04N19/70 , H04N19/12 , H04N19/186 , H04N19/533 , H04N19/136
CPC分类号： H04N19/70 , H04N19/102 , H04N19/12 , H04N19/136 , H04N19/186 , H04N19/40 , H04N19/46 , H04N19/533
摘要： An SDR CDF is constructed based on an SDR histogram generated from a distribution of SDR codewords in SDR images. An HDR CDF is constructed based on an HDR histogram generated from a distribution of HDR codewords in HDR images that correspond to the SDR images. A histogram transfer function is generated based on the SDR CDF and the HDR CDF. The SDR images are transmitted along with backward reshaping metadata to recipient devices. The backward reshaping metadata is generated at least in part on the histogram transfer function.
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公开(公告)号：US20180098089A1
公开(公告)日：2018-04-05
申请号：US15724044
申请日：2017-10-03
发明人： Jianle Chen , Wei-Jung Chien , Xiang Li , Li Zhang , Marta Karczewicz
IPC分类号： H04N19/513 , H04N19/70 , H04N19/523
CPC分类号： H04N19/521 , H04N19/102 , H04N19/13 , H04N19/136 , H04N19/157 , H04N19/52 , H04N19/523 , H04N19/70
摘要： A method of decoding video data, including receiving an encoded block of video data that was encoded using an inter-prediction mode, receiving one or more syntax elements indicating a motion vector difference (MVD) associated with the encoded block of video data, determining a current MVD precision, from three or more MVD precisions, for the one or more syntax elements indicating the MVD, wherein the three or more MVD precisions include an N-sample MVD precision, where N is an integer indicating a number of samples indicated by each successive codeword of the one or more syntax elements indicating the MVD, and wherein N is greater than 1, decoding the one or more syntax elements indicating the MVD using the determined current MVD precision, and decoding the encoded block of video data using the decoded MVD.
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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.
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公开(公告)号：US20180007381A1
公开(公告)日：2018-01-04
申请号：US15395983
申请日：2016-12-30
申请人： Facebook, Inc.
IPC分类号： H04N19/513 , H04N19/176 , H04N19/172
CPC分类号： H04N5/23264 , G06K9/00677 , G06K9/6269 , G06K9/6274 , G06T9/002 , H04N5/23267 , H04N19/102 , H04N19/139 , H04N19/167 , H04N19/172 , H04N19/176 , H04N19/40 , H04N19/46 , H04N19/513
摘要： Video foreground and background detection is performed on a received video sequence on a macroblock by macroblock basis using motion vector encoding information associated with each macroblock. Some of the macroblocks in each frame, for example, edge or corner macroblocks, may be exempt from the foreground and background detection. The detection information, along with the video data, is passed to an image stabilization algorithm that prepares the video for subsequent video compression.
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公开(公告)号：US20170324980A1
公开(公告)日：2017-11-09
申请号：US15660264
申请日：2017-07-26
IPC分类号： H04N19/577 , H04N19/61 , H04N19/587 , H04N19/177 , H04N19/176 , H04N19/172 , H04N19/102 , H04N19/166 , H04N19/159 , H04N19/157 , H04N19/142 , H04N19/132 , H04N19/895 , H04N19/174
CPC分类号： H04N19/577 , H04N19/102 , H04N19/132 , H04N19/142 , H04N19/157 , H04N19/159 , H04N19/166 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/177 , H04N19/587 , H04N19/61 , H04N19/895
摘要： A method and apparatus of processing multimedia data comprising a first section received in error are disclosed. The method comprises obtaining error distribution information corresponding to the first section. The method further comprises applying one of a plurality of error recovery schemes to the first section of the multimedia data based on the error distribution information.
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公开(公告)号：US09813354B2
公开(公告)日：2017-11-07
申请号：US15070356
申请日：2016-03-15
申请人： BROADCOM CORPORATION
发明人： Nariman Yousefi , Yongbum Kim , John Walley , Sherman (Xuemin) Chen , Wael W. Diab , Nicholas Ilyadis
IPC分类号： H04L12/26 , H04L12/911 , H04N7/18 , G07C5/08 , H04W4/04 , H04L12/947 , H04L12/865 , B60R16/03 , H04L12/917 , H04L12/741 , H04L12/54 , H04L29/06 , G06F1/26 , H04L29/08 , H04W72/08 , H04W72/10 , H04N19/102 , G08G1/16 , H04L12/851 , H04W24/08 , H04W28/08 , B60R16/023 , H04B1/3822 , H04W88/02 , G06F7/76 , H04L12/46 , H04L12/10
CPC分类号： H04L47/821 , B60R16/023 , B60R16/03 , B60R16/0315 , G06F1/26 , G06F1/266 , G06F7/76 , G07C5/0866 , G08G1/16 , H04B1/3822 , H04L12/10 , H04L12/46 , H04L12/4625 , H04L12/56 , H04L29/0653 , H04L45/74 , H04L47/2433 , H04L47/6275 , H04L47/76 , H04L49/25 , H04L67/12 , H04L69/08 , H04N7/181 , H04N7/183 , H04N19/102 , H04W4/046 , H04W4/40 , H04W24/08 , H04W28/08 , H04W72/082 , H04W72/10 , H04W88/02 , Y02D70/1224 , Y02D70/1242 , Y02D70/1244 , Y02D70/1246 , Y02D70/1262 , Y02D70/142 , Y02D70/144 , Y02D70/146 , Y02D70/162 , Y02D70/164 , Y02D70/166 , Y02D70/168 , Y02D70/26
摘要： A network management module includes a network interface module, memory, and a processing module. The network interface module is operable for coupling the network management module to a vehicle communication network. The processing module is operable to manage a global vehicle network communication protocol that includes instituting a content-based network packet processing protocol and managing the vehicle communication network to support the network packet processing protocol. The content-based network packet processing protocol includes determining content type of a packet, determining a processing requirement of the packet, and prioritizing execution of the processing requirement based on the content type.
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公开(公告)号：US09762918B2
公开(公告)日：2017-09-12
申请号：US13985282
申请日：2012-04-23
申请人： Tzu-Der Chuang , Yu-Wen Huang , Ching-Yeh Chen
发明人： Tzu-Der Chuang , Yu-Wen Huang , Ching-Yeh Chen
IPC分类号： H04N19/176 , H04N19/102 , H04N19/463 , H04N19/91 , H04N19/13 , H04N19/159 , H04N19/167
CPC分类号： H04N19/176 , H04N19/102 , H04N19/13 , H04N19/159 , H04N19/167 , H04N19/463 , H04N19/91
摘要： A method and apparatus of line buffer reduction for context adaptive entropy processing are disclosed. The context formation for context adaptive entropy processing depends on block information associated with one or more neighboring blocks. When the neighboring block is on a different side of a region boundary from the current block, the block information is replaced by replacement block information to reduce or remove line buffer requirement for storing the block information of neighboring blocks on the other side of the region boundaries from the current block. The context adaptive entropy processing is CABAC encoding, CABAC decoding, CAVLC encoding, or CAVLC decoding.
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公开(公告)号：US09749655B2
公开(公告)日：2017-08-29
申请号：US11433135
申请日：2006-05-11
IPC分类号： H04N7/12 , H04N19/577 , H04N19/159 , H04N19/176 , H04N19/172 , H04N19/102 , H04N19/61 , H04N19/132 , H04N19/142 , H04N19/157 , H04N19/166 , H04N19/177 , H04N19/174 , H04N19/587 , H04N19/895
CPC分类号： H04N19/577 , H04N19/102 , H04N19/132 , H04N19/142 , H04N19/157 , H04N19/159 , H04N19/166 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/177 , H04N19/587 , H04N19/61 , H04N19/895
摘要： Techniques for error concealment in multimedia data processing. In an embodiment, error distribution information corresponding to a first section in an access unit is obtained. In another embodiment, a plurality of error recovery schemes may be applied to the first section of the multimedia data based on the error distribution information.
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公开(公告)号：US20170208344A1
公开(公告)日：2017-07-20
申请号：US15221804
申请日：2016-07-28
IPC分类号： H04N19/625 , H04N19/14
CPC分类号： H04N19/625 , H04N19/102 , H04N19/14 , H04N19/17 , H04N19/176 , H04N19/182 , H04N19/186 , H04N19/46
摘要： The image encoder encodes an image of a high dynamic range scene. A pixel texture encoding unit is configured to encode pixels colors of the image with an image representation comprising N-bit code words. An image analysis unit is configured to determine and output a region differentiator grey value, which is a luma value demarcating below it lumas of all pixels of a first object in at least one block of the image, and above it lumas of all pixels of a second object in the at least one block of the image. A formatter is configured to co-encode the image representation and the region differentiator grey value in an output image signal.
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公开(公告)号：US09699454B2
公开(公告)日：2017-07-04
申请号：US14938653
申请日：2015-11-11
IPC分类号： H04N19/102 , H04N19/177 , H04N7/12 , H04N11/02 , H04N11/04 , H04L12/70 , H04N19/115 , H04N19/14 , H04N19/192 , H04N19/436
CPC分类号： H04N19/146 , H04N19/102 , H04N19/115 , H04N19/14 , H04N19/154 , H04N19/177 , H04N19/192 , H04N19/436
摘要： Rate control techniques are provided for encoding an input video sequence into a compressed coded bitstream with multiple coding passes. The final coding pass may comprise final splices with non-overlapping frames that do not extend into neighboring final splices. A final splice in the final coding pass may correspond to at least one non-final splice in a non-final coding pass. A non-final splice may have overlapping frames that extend into neighboring final splices in the final coding pass. The overlapping frames in the non-final splice may be used to derive complexity information about the neighboring final splices. The complexity information about the neighboring final splices, as derived from the overlapping frames, may be used to allocate or improve rate control related budgets in encoding the final splice into the compressed coded bitstream in the final coding pass.
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