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    • 4. 发明申请
    • VIDEO PIPELINE WITH DIRECT LINKAGE BETWEEN DECODING AND POST PROCESSING
    • 在解码和后处理之间具有直接链接的视频管道
    • WO2014084906A1
    • 2014-06-05
    • PCT/US2013/046322
    • 2013-06-18
    • INTEL CORPORATIONNANDA, AkshatJANUS, ScottCHENG, Scott W.
    • NANDA, AkshatJANUS, ScottCHENG, Scott W.
    • H04N7/26
    • 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。
    • 7. 发明申请
    • PREVENTING PATTERN RECOGNITION IN ELECTRONIC CODE BOOK ENCRYPTION
    • 防止电子代码加密中的图案识别
    • WO2013101185A1
    • 2013-07-04
    • PCT/US2011/068108
    • 2011-12-30
    • INTEL CORPORATIONJANUS, ScottMARTIN, JasonSAVAGAONKAR, Uday
    • JANUS, ScottMARTIN, JasonSAVAGAONKAR, Uday
    • H04L9/06G06F21/24
    • H04L9/0637G06F21/6209G06T1/20H04L2209/08H04N1/4486
    • In general, in one aspect, noise is injected into a bitmap associated with content to be presented on a display to create a noisy bitmap. The noisy bitmap is encrypted using electronic code book (ECB) encryption. The resulting ciphertext does not include recognizable patterns from the content as is typical with ECB encryption. The injection of noise may include modifying pixel values for at least a subset of pixels in the bitmap. The pixel values may be modified by using a counter, a known modification pattern, or a random number generator. The bitmap may be analyzed to determine how the bitmap can be modified to maximize the randomness of the bitmap while ensuring that the noisy bitmap is visually perceptually similar when presented. The noise may be injected into a block of pixels prior to the block being encrypted.
    • 通常,在一个方面,将噪声注入到与将要呈现在显示器上的内容相关联的位图中以产生噪声位图。 噪声位图使用电子代码簿(ECB)加密进行加密。 所得到的密文不包括来自内容的可识别模式,如ECB加密典型。 噪声的注入可以包括修改位图中的至少像素子集的像素值。 可以通过使用计数器,已知修改模式或随机数生成器来修改像素值。 可以分析位图以确定位图如何被修改以使位图的随机性最大化,同时确保在呈现时视觉上感觉上类似的噪声位图。 在块被加密之前,可以将噪声注入到像素块中。