发明名称 |
REDUCED SIZE INVERSE TRANSFORM FOR VIDEO DECODING AND ENCODING |
摘要 |
Innovations are provided for encoding and/or decoding video and/or image content using reduced size inverse transforms. For example, a reduced size inverse transform can be performed during encoding or decoding of video or image content using a subset of coefficients (e.g., primarily non-zero coefficients) of a given block. For example, a bounding area can be determined for a block that encompasses the non-zero coefficients of the block. Meta-data for the block can then be generated, including a shortcut code that indicates whether a reduced size inverse transform will be performed. The inverse transform can then be performed using a subset of coefficients for the block (e.g., identified by the bounding area) and the meta-data, which results in decreased utilization of computing resources. The subset of coefficients and the meta-data can be transferred to a graphics processing unit (GPU), which also results in savings in terms of data transfer. |
申请公布号 |
WO2017019649(A1) |
申请公布日期 |
2017.02.02 |
申请号 |
WO2016US43960 |
申请日期 |
2016.07.26 |
申请人 |
MICROSOFT TECHNOLOGY LICENSING, LLC |
发明人 |
CHEREPANOV, Victor;WU, Yongjun;REDDY, Srinath;LI, Yuechuan;SADHWANI, Shyam;LIN, Chihlung;LI, Binlong |
分类号 |
H04N19/176;H04N19/122;H04N19/132;H04N19/18;H04N19/42;H04N19/46 |
主分类号 |
H04N19/176 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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