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Sub-block MV inheritance between color components

專利號
US11659192B2
公開日期
2023-05-23
申請人
Beijing Bytedance Network Technology Co., Ltd.; Bytedance Inc.(CN Beijing US CA Los Angeles)
發(fā)明人
Kai Zhang; Li Zhang; Hongbin Liu; Yue Wang
IPC分類
H04N19/52; H04N19/176; H04N19/186; H04N19/55; H04N19/119; H04N19/136
技術(shù)領(lǐng)域
mv,motion,signshift,sub,mv0x,mv1x,mv0y,vectors,cu,mv1y
地域: Beijing

摘要

Devices, systems and methods for sub-block based prediction are described. In a representative aspect, a method for video processing includes partitioning a first component of a current video block into a first set of sub-blocks and partitioning a second component of the current video block into a second set of sub-blocks. A sub-block of the second component corresponds to one or more sub-blocks of the first component. The method also includes deriving, based on a color format of the current video block, motion vectors for a sub-block of the second component based on motion vectors for one or more corresponding sub-blocks of the first color component.

說明書

FIG. 18 shows a block diagram of an example embodiment of a mobile device 1800 that can be utilized to implement various portions of the presently disclosed technology, including (but not limited to) method 1600. The mobile device 1800 can be a laptop, a smartphone, a tablet, a camcorder, or other types of devices that are capable of processing videos. The mobile device 1800 includes a processor or controller 1801 to process data, and memory 1802 in communication with the processor 1801 to store and/or buffer data. For example, the processor 1801 can include a central processing unit (CPU) or a microcontroller unit (MCU). In some implementations, the processor 1801 can include a field-programmable gate-array (FPGA). In some implementations, the mobile device 1800 includes or is in communication with a graphics processing unit (GPU), video processing unit (VPU) and/or wireless communications unit for various visual and/or communications data processing functions of the smartphone device. For example, the memory 1802 can include and store processor-executable code, which when executed by the processor 1801, configures the mobile device 1800 to perform various operations, e.g., such as receiving information, commands, and/or data, processing information and data, and transmitting or providing processed information/data to another device, such as an actuator or external display.

權(quán)利要求

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