HARDWARE-BASED STACK CONTROL INFORMATION PROTECTION
    2.
    发明申请
    HARDWARE-BASED STACK CONTROL INFORMATION PROTECTION 有权
    基于硬件的堆栈控制信息保护

    公开(公告)号:US20150302195A1

    公开(公告)日:2015-10-22

    申请号:US14256681

    申请日:2014-04-18

    IPC分类号: G06F21/56 G06F21/54

    CPC分类号: G06F21/56 G06F21/52 G06F21/54

    摘要: Techniques for protecting contents of a stack associated with a processor are provided. The techniques include a method including receiving a store instruction from a software program being executed by the processor, the store instruction including control information associated with a subroutine, altering the control information to generate secured control information responsive to receiving the store instruction from the software program, storing the secured control information on the stack, receiving a load instruction from the software program; and responsive to receiving the load instruction from the software program, loading the secured control information from the stack, altering the secured control information to recover the control information, and returning the control information to the software program.

    摘要翻译: 提供了用于保护与处理器相关联的堆栈的内容的技术。 这些技术包括一种方法,包括从由处理器执行的软件程序接收存储指令,存储指令包括与子程序相关的控制信息,改变控制信息以产生响应于从软件程序接收存储指令的安全控制信息 将所述安全控制信息存储在所述堆栈上,从所述软件程序接收加载指令; 并且响应于从所述软件程序接收到所述加载指令,从所述堆栈加载所述安全控制信息,改变所述安全控制信息以恢复所述控制信息,以及将所述控制信息返回给所述软件程序。

    TECHNIQUES FOR ENHANCING LOW-LIGHT IMAGES
    3.
    发明申请
    TECHNIQUES FOR ENHANCING LOW-LIGHT IMAGES 审中-公开
    增强低照度图像的技术

    公开(公告)号:US20150063718A1

    公开(公告)日:2015-03-05

    申请号:US14254788

    申请日:2014-04-16

    IPC分类号: G06T5/50

    摘要: Techniques are described for enhancing quality of a first image that is captured in a low-light environment. In one embodiment, a second image is generated by brightening a plurality of pixels in the first image based on a predefined criteria. A third image is generated using an edge-preserving noise reduction algorithm based on the second image. Further, a composite image is generated by obtaining a weighted average of the first image and the third image. The techniques described herein can be applied to an image and/or to each frame of a video that is captured in low-light environments.

    摘要翻译: 描述了用于增强在低光环境中捕获的第一图像的质量的技术。 在一个实施例中,通过基于预定准则来增亮第一图像中的多个像素来生成第二图像。 使用基于第二图像的边缘保留噪声降低算法生成第三图像。 此外,通过获得第一图像和第三图像的加权平均值来生成合成图像。 本文描述的技术可以应用于在低光环境中捕获的视频的图像和/或每个帧。

    Channel state information feedback for carrier aggregation
    5.
    发明授权
    Channel state information feedback for carrier aggregation 有权
    信道状态信息反馈用于载波聚合

    公开(公告)号:US09369234B2

    公开(公告)日:2016-06-14

    申请号:US13208106

    申请日:2011-08-11

    摘要: Techniques for reporting channel state information (CSI) in a multi-carrier wireless communication system are disclosed. In some examples, a user equipment determines a configuration for reporting CSI for each component carrier (CC) in a plurality of component carriers. For a first subframe, the user equipment determines a priority for transmitting CSI associated with the plurality of CCs based at least in part on the configuration. The user equipment sends, in the first subframe, a CSI report including the prioritized CSI. The CSI report can include CSI for a single CC, or CSI for multiple CCs. For multi-CC reporting of CSI, the user equipment can multiplex CSI reports or CSI elements for the plurality of CCs up to an available payload size.

    摘要翻译: 公开了一种用于在多载波无线通信系统中报告信道状态信息(CSI)的技术。 在一些示例中,用户设备确定用于报告多个分量载波中的每个分量载波(CC)的CSI的配置。 对于第一子帧,用户设备至少部分地基于配置来确定用于发送与多个CC相关联的CSI的优先级。 用户设备在第一子帧中发送包括优先CSI的CSI报告。 CSI报告可以包括单个CC的CSI或多个CC的CSI。 对于CSI的多CC报告,用户设备可以将多个CC的CSI报告或CSI元素复用到可用的有效载荷大小。

    ADVANCED MERGE MODE FOR THREE-DIMENSIONAL (3D) VIDEO CODING
    6.
    发明申请
    ADVANCED MERGE MODE FOR THREE-DIMENSIONAL (3D) VIDEO CODING 有权
    用于三维(3D)视频编码的先进的合并模式

    公开(公告)号:US20140301467A1

    公开(公告)日:2014-10-09

    申请号:US14243610

    申请日:2014-04-02

    IPC分类号: H04N19/51 H04N19/597

    摘要: As part of a video encoding process or a video decoding process, a video coder may determine a first available disparity motion vector among spatial neighboring blocks of a current block of the video data. Furthermore, the video coder may shift a horizontal component of the first available disparity motion vector to derive a shifted disparity motion vector candidate (DSMV). The video coder may add the DSMV into a merge candidate list.

    摘要翻译: 作为视频编码处理或视频解码处理的一部分,视频编码器可以确定视频数据的当前块的空间相邻块中的第一可用视差运动矢量。 此外,视频编码器可以移动第一可用视差运动矢量的水平分量以导出移位的视差运动矢量候选(DSMV)。 视频编码器可以将DSMV添加到合并候选列表中。

    LOW LATENCY ARQ/HARQ OPERATING IN CARRIER AGGREGATION FOR BACKHAUL LINK
    7.
    发明申请
    LOW LATENCY ARQ/HARQ OPERATING IN CARRIER AGGREGATION FOR BACKHAUL LINK 审中-公开
    低延迟ARQ / HARQ操作在携带者聚集后备链路

    公开(公告)号:US20140185496A1

    公开(公告)日:2014-07-03

    申请号:US14107885

    申请日:2013-12-16

    IPC分类号: H04W72/04 H04L5/00 H04Q11/04

    摘要: Described embodiments reduce ARQ/HARQ latency using carrier aggregation and cross-carrier ARQ/HARQ signaling. In embodiments, a wireless backhaul transmission link uses multiple paired carriers with complementary TDD frame timing. In embodiments, backhaul traffic subframes are protected using FEC and/or CRC encoding and ACK/NACK information is generated based on decoding and computing the FEC and/or CRC information for the subframes. The ACK/NACK information may be transmitted on the paired carrier. In embodiments, cross-carrier ARQ/HARQ signaling may reduce ARQ/HARQ latency to less than two TDD subframes.

    摘要翻译: 所描述的实施例使用载波聚合和跨载波ARQ / HARQ信令来减少ARQ / HARQ等待时间。 在实施例中,无线回程传输链路使用具有互补TDD帧定时的多个配对载波。 在实施例中,回程业务子帧使用FEC和/或CRC编码进行保护,并且基于对子帧的解码和计算FEC和/或CRC信息来生成ACK / NACK信息。 ACK / NACK信息可以在配对的载波上发送。 在实施例中,跨载波ARQ / HARQ信令可以将ARQ / HARQ等待时间减少到小于两个TDD子帧。

    Joint time-frequency automatic gain control for wireless communication
    8.
    发明授权
    Joint time-frequency automatic gain control for wireless communication 有权
    无缝通讯联合时频自动增益控制

    公开(公告)号:US08548105B2

    公开(公告)日:2013-10-01

    申请号:US12510176

    申请日:2009-07-27

    申请人: Roberto Rimini

    发明人: Roberto Rimini

    IPC分类号: H04L27/08

    CPC分类号: H03G3/3052

    摘要: Techniques for performing joint time-frequency automatic gain control (AGC) by a receiver are described. In an aspect, the receiver may transform time-domain samples with a fast Fourier transform (FFT) to obtain frequency-domain symbols and may detect for saturation of the frequency-domain symbols. The receiver may adjust a gain based on whether saturation is detected and may apply the gain prior to the FFT. In one design, the receiver may use a nominal value for a setpoint if saturation is not detected and may reduce the setpoint if saturation is detected. The receiver may adjust the gain based on the setpoint, which may determine the average power of the time-domain samples. In another design, the receiver may determine the gain based on a gain offset and may vary the gain offset based on whether saturation is detected. For both designs, the receiver may apply the gain on digital samples and/or an analog signal prior to the FFT.

    摘要翻译: 描述了由接收机执行联合时频自动增益控制(AGC)的技术。 在一方面,接收机可以利用快速傅里叶变换(FFT)来变换时域采样以获得频域符号,并且可以检测频域符号的饱和度。 接收机可以基于是否检测到饱和度来调整增益,并且可以在FFT之前应用增益。 在一种设计中,如果未检测到饱和度,则接收器可以使用额定值作为设定值,如果检测到饱和,则可能会降低设定值。 接收机可以基于设定点调整增益,这可以确定时域样本的平均功率。 在另一种设计中,接收机可以基于增益偏移来确定增益,并且可以基于是否检测到饱和度来改变增益偏移。 对于这两种设计,接收机可以在FFT之前将增益应用于数字样本和/或模拟信号。

    MULTIVIEW VIDEO CODING OVER MPEG-2 SYSTEMS
    9.
    发明申请
    MULTIVIEW VIDEO CODING OVER MPEG-2 SYSTEMS 有权
    MPEG-2系统多视频编码

    公开(公告)号:US20100316122A1

    公开(公告)日:2010-12-16

    申请号:US12709186

    申请日:2010-02-19

    IPC分类号: H04N7/12

    摘要: A multiplexer may produce an MPEG-2 (Motion Picture Experts Group) System standard bitstream comprising views with nonconsecutive view order indexes. In one example, an apparatus comprises a video encoder that encodes a plurality of views of a scene, a multiplexer that constructs a data structure for signaling that a corresponding MPEG-2 (Motion Picture Experts Group) System standard bitstream comprises a first view of the plurality of views of the scene associated with a first view order index and a second view of the plurality of views of the scene associated with a second view order index, wherein the first view order index and the second view order index are non-consecutive, and an output interface that outputs the data structure.

    摘要翻译: 复用器可以产生包含具有非连续视图顺序索引的视图的MPEG-2(运动图像专家组)系统标准比特流。 在一个示例中,一种装置包括对场景的多个视图进行编码的视频编码器,构建数据结构的多路复用器,用于发信号通知对应的MPEG-2(运动图像专家组)系统标准比特流包括 与第一视图顺序索引相关联的场景的多个视图和与第二视图订单索引相关联的场景的多个视图的第二视图,其中第一视图订单索引和第二视图订单索引是不连续的, 以及输出数据结构的输出接口。