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    • 1. 发明授权
    • System and method for rotating images
    • 用于旋转图像的系统和方法
    • US08463074B2
    • 2013-06-11
    • US12926343
    • 2010-11-10
    • Rousey Johnson, IIIStephen FuchsTracey Tschepen
    • Rousey Johnson, IIIStephen FuchsTracey Tschepen
    • G06K9/32
    • G06T3/608
    • A system and method for rotating a source image by a first non-zero angle is provided. The method includes: defining a template for the source image, the template representing a rotation of the source image about an axis of the source image by second angle, where the second angle is the negative of the first non-zero angle; determining overlap between the template and the source image; separating the template into a plurality of strips covering at least the area of overlap; and for each strip: indentifying an initial pixel in the source image within the strip and storing the image data of the initial pixel; storing the image data of all remaining pixels within both the strip and the overlap in a database format in which the all remaining pixels is defined by a Y and X offset from the initial pixel.
    • 提供了一种用于使源图像旋转第一非零角度的系统和方法。 该方法包括:定义源图像的模板,模板表示源图像围绕源图像的轴线的旋转第二角度,其中第二角度是第一非零角度的负值; 确定模板和源图像之间的重叠; 将模板分成至少覆盖重叠区域的多个条带; 并且对于每个条带:识别条带内的源图像中的初始像素并存储初始像素的图像数据; 将所有剩余像素的图像数据存储在条带和重叠之中的数据库格式中,其中所有剩余像素由与初始像素的Y和X偏移量定义。
    • 3. 发明授权
    • Non-interrupting power control for fault tolerant computer systems
    • 容错计算机系统的非中断功率控制
    • US5923830A
    • 1999-07-13
    • US852487
    • 1997-05-07
    • Stephen FuchsAndrew J. Wardrop
    • Stephen FuchsAndrew J. Wardrop
    • G06F11/18G06F20060101G06F11/00G06F11/16G06F15/177H02H3/05H03K19/003
    • G06F11/2028G06F11/1641G06F11/2035G06F11/2038G06F11/2043
    • A non-intrusive power control for a fault tolerant computer system which uses redundant voting at the hardware clock level. The computer includes three or more commercial central processing units (CPUs) operating synchronously. Outputs to system memory and system bus are voted by a radiation tolerant gate array which may be implemented in a custom integrated circuit. An interface control coupled to the voter can remove or connect power from a CPU and adjust CPU inputs, preventing damage to the components without terminating an operating program. The inputs and outputs at each write to and read from system memory are voted at each CPU clock cycle. A vote status and control circuit "reads" the status of the vote and controls the state of the CPUs using hardware and software. The system logic selects the best chance of recovering from a detected fault by re-synchronizing all CPUs, powering down a faulty CPU, or switching to a spare computer, resetting and re-booting the substituted CPU.
    • 用于容错计算机系统的非侵入式功率控制,其在硬件时钟级使用冗余投票。 计算机包括三个或更多个同步操作的商业中央处理单元(CPU)。 由系统存储器和系统总线的输出由可以在定制集成电路中实现的耐辐射门阵列投票。 耦合到选民的接口控制器可以从CPU中移除或连接电源,并调整CPU输入,防止损坏组件而不终止操作程序。 在每个CPU时钟周期内,对每次写入和读取系统存储器的输入和输出进行投票。 投票状态和控制电路“读取”投票状态,并使用硬件和软件控制CPU的状态。 系统逻辑通过重新同步所有CPU,关闭故障CPU或切换到备用计算机,重置和重新引导替代CPU,从检测到的故障中选择最佳机率。
    • 7. 发明授权
    • Fault tolerant computer system
    • 容错计算机系统
    • US06141770A
    • 2000-10-31
    • US330757
    • 1999-06-11
    • Stephen FuchsAndrew J. Wardrop
    • Stephen FuchsAndrew J. Wardrop
    • G06F11/18G06F20060101G06F11/00G06F11/16G06F15/177H02H3/05H03K19/003
    • G06F11/2028G06F11/1641G06F11/2035G06F11/2038G06F11/2043
    • A computer system uses redundant voting at the hardware clock level to detect and to correct single event upsets (SEU) and other random failures. In one preferred embodiment, the computer includes four or more commercial processing units (CPUs) operating in strict "lock-step" and whose outputs (33, 37) to system memory and system bus are voted by a gate array which may be implemented in a custom integrated circuit. A custom memory controller interfaces to the system memory and system bus. The data and address (35, 37) at each write to and read from memory within the computer are voted at each CPU clock cycle. A vote status and control circuit "reads" the status of the vote and controls the state of the CPUs using hardware and software. The majority voted signals are used by the agreeing CPUs 32 to continue processing operations without interruption. The system logic selects the best chance of recovering from a detected fault by re-synchronizing all CPUs, powering down a faulty CPU or switching to a spare computer, resetting and re-booting the substituted CPUs.
    • 计算机系统在硬件时钟级使用冗余表决来检测和纠正单事件异常(SEU)和其他随机故障。 在一个优选实施例中,计算机包括以严格的“锁定步骤”操作的四个或更多商业处理单元(CPU),并且其系统存储器和系统总线的输出(33,37)由门阵列投票,门阵列可以在 定制集成电路。 自定义内存控制器连接到系统内存和系统总线。 在每个CPU时钟周期内,每个对计算机内存储器写入和读取的数据和地址(35,37)进行表决。 投票状态和控制电路“读取”投票状态,并使用硬件和软件控制CPU的状态。 大多数投票信号被同意的CPU 32用于不间断地继续处理操作。 系统逻辑选择通过重新同步所有CPU,关闭故障CPU或切换到备用计算机,重置和重新引导替换的CPU,从检测到的故障中恢复的最佳机率。
    • 8. 发明申请
    • System and method for rotating images
    • 用于旋转图像的系统和方法
    • US20110110606A1
    • 2011-05-12
    • US12926343
    • 2010-11-10
    • Rousey Johnson, IIIStephen FuchsTracey Tschepen
    • Rousey Johnson, IIIStephen FuchsTracey Tschepen
    • G06K9/32
    • G06T3/608
    • A system and method for rotating a source image by a first non-zero angle is provided. The method includes: defining a template for the source image, the template representing a rotation of the source image about an axis of the source image by second angle, where the second angle is the negative of the first non-zero angle; determining overlap between the template and the source image; separating the template into a plurality of strips covering at least the area of overlap; and for each strip: indentifying an initial pixel in the source image within the strip and storing the image data of the initial pixel; storing the image data of all remaining pixels within both the strip and the overlap in a database format in which the all remaining pixels is defined by a Y and X offset from the initial pixel.
    • 提供了一种用于使源图像旋转第一非零角度的系统和方法。 该方法包括:定义源图像的模板,模板表示源图像围绕源图像的轴线的旋转第二角度,其中第二角度是第一非零角度的负值; 确定模板和源图像之间的重叠; 将模板分成至少覆盖重叠区域的多个条带; 并且对于每个条带:识别条带内的源图像中的初始像素并存储初始像素的图像数据; 将所有剩余像素的图像数据存储在条带和重叠之中的数据库格式中,其中所有剩余像素由与初始像素的Y和X偏移量定义。