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    • 7. 发明授权
    • Video pipeline with direct linkage between decoding and post processing
    • 视频流水线与解码和后处理之间具有直接的连接
    • US09351011B2
    • 2016-05-24
    • US13687093
    • 2012-11-28
    • Akshat NandaScott JanusScott W Cheng
    • Akshat NandaScott JanusScott W Cheng
    • H04N19/44H04N19/42H04N19/85
    • H04N19/44H04N19/42H04N19/85
    • In general, in one aspect, a decode order for a group of picture (GOP) frame structure for a video stream is modified to include regenerated P frames. The modified decode order includes a regenerated P frame of a P frame decoded prior to a sequence of B frames after last B frame in the sequence of B frames and before next I or P frame. The frames are decoded in modified decode order by a decode engine. The decoded frames are post processed in a display order (only includes regenerated P frames and does not include initial P frames defined in the decode order) by a post processing engine. The post processing engine may ignore the initial P frames or the decode engine may not forward the initial P frames to the post processing engine. The post processed frames may be prepared for presentation by a display engine.
    • 通常,在一个方面,用于视频流的一组图像(GOP)帧结构的解码顺序被修改为包括再生的P帧。 经修改的解码顺序包括在B帧序列中的B帧之后和在下一个I帧或P帧之前的B帧之后的序列之前解码的P帧的再生P帧。 帧由解码引擎以修改的解码顺序解码。 解码帧以后处理引擎以显示顺序(仅包括再生的P帧,并且不包括以解码顺序定义的初始P帧)进行后处理。 后处理引擎可以忽略初始P帧,或者解码引擎可能不将初始P帧转发到后处理引擎。 后处理帧可以准备用于由显示引擎呈现。
    • 8. 发明授权
    • Selective post-processing of decoded video frames based on focus point determination
    • 基于焦点确定的解码视频帧的选择性后处理
    • US09253524B2
    • 2016-02-02
    • US13554269
    • 2012-07-20
    • Nikos KaburlasosScott W. ChengScott JanusMichael A. Smith
    • Nikos KaburlasosScott W. ChengScott JanusMichael A. Smith
    • H04N5/93H04N21/4223H04N21/4728
    • H04N21/4223H04N21/4728
    • In general, in one aspect, a graphics driver receives information related to where eyes of a user watching a video are focused, determine if the user is focusing their attention on a particular location of the video, and generates post processing instructions for pixel macro blocks of decoded video frames. The instructions are based on whether it is determined that the user is focused. The graphics driver is further to determine a focus area associated with the particular location the user is focusing their attention on, determine a peripheral area around the focus area, generate a first set of post processing instructions for pixel macro blocks within the focus area, generate a second set of post processing instructions for pixel macro blocks within the peripheral area, and generate a third set of post processing instructions for pixel macro blocks not within either area.
    • 通常,在一方面,图形驱动程序接收与观看视频的用户的眼睛聚焦在何处的信息,确定用户是否将注意力集中在视频的特定位置,并且生成用于像素宏块的后处理指令 的解码视频帧。 这些说明是基于是否确定用户被关注。 图形驱动器进一步确定与用户将注意力集中在其上的特定位置相关联的焦点区域,确定聚焦区域周围的周边区域,为聚焦区域内的像素宏块生成第一组后处理指令,生成 用于在所述外围区域内的像素宏块的第二组后处理指令,并且生成用于不在任一区域内的像素宏块的第三组后处理指令。