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    • 4. 发明授权
    • System and method for enhancing an image
    • 用于增强图像的系统和方法
    • US07486835B2
    • 2009-02-03
    • US11082546
    • 2005-03-17
    • Yan ZhangRonald M. TaylorRobert A. Perisho, Jr.
    • Yan ZhangRonald M. TaylorRobert A. Perisho, Jr.
    • G06K9/00G06K9/34
    • G06T5/009G06T5/40
    • A system and method for enhancing the contrast within an image. An enhanced image can be generated in a real-time or substantially real-time manner from an initial image. The pixel values of the initial image can be used to populate a histogram or otherwise serve as the basis for subsequent processing. A valley can be identified within the range of pixel values for use as a stretch metric used by a stretch heuristic to expand the contrast of the pixel values in the initial image by expanding the range of pixel values associated with the pixels in the histogram. In some embodiments, the initial image is first divided into image regions that are each associated with individualized processing. A bilinear interpolation step can then be performed to smooth the integrated image after the individualized processing is used to stretch the pixels within the individual image regions.
    • 用于增强图像内的对比度的系统和方法。 可以从初始图像以实时或基本上实时的方式生成增强图像。 初始图像的像素值可用于填充直方图或以其他方式用作后续处理的基础。 可以在像素值的范围内识别谷,以用作拉伸启发式所使用的拉伸度量,以通过扩展与直方图中的像素相关联的像素值的范围来扩展初始图像中的像素值的对比度。 在一些实施例中,初始图像首先被划分成每个与个体化处理相关联的图像区域。 然后可以执行双线性插值步骤以在使用个体化处理来拉伸各个图像区域中的像素之后平滑集成图像。
    • 6. 发明授权
    • Vehicle locating system
    • 车辆定位系统
    • US06909964B2
    • 2005-06-21
    • US10190245
    • 2002-07-03
    • Ray G. ArmstrongRobert A. Perisho, Jr.Curtis N. Kell
    • Ray G. ArmstrongRobert A. Perisho, Jr.Curtis N. Kell
    • G01S19/36G08G1/005G06F19/00
    • G01S5/0072G08G1/005
    • A vehicle locating system includes a first transmitter within the vehicle, the first transmitter is configured to transmit a location signal; and a key fob including: a receiver, a direction indicator, and wherein the direction indicator is configured to point towards the first transmitter in response to receipt of the location signal by the receiver. In another embodiment, the vehicle locating system includes a first cellular telephone within the vehicle; a first GPS receiver within the vehicle and in operable communication with the first cellular telephone, the first GPS receiver is configured to determine a location of the vehicle; a hand-held device including: a direction indicator, a second cellular telephone, and a second GPS receiver in operable communication with the second cellular telephone, the second GPS receiver is configured to determine a location of the hand-held device; and wherein the first GPS receiver provides the location of the vehicle to the first cellular telephone, and the direction indicator is configured to point in a direction of the vehicle in response to a comparison of the location of the vehicle and the location of the hand-held device.
    • 车辆定位系统包括车辆内的第一发射机,第一发射机被配置为发射位置信号; 以及钥匙扣,包括:接收器,方向指示器,并且其中所述方向指示器被配置为响应于所述接收器接收到位置信号而指向所述第一发射器。 在另一个实施例中,车辆定位系统包括车辆内的第一蜂窝电话; 车辆内的第一GPS接收器,并且与第一蜂窝电话可操作地通信,第一GPS接收器被配置为确定车辆的位置; 手持装置,包括:方向指示器,第二蜂窝电话和与第二蜂窝电话可操作地通信的第二GPS接收器,第二GPS接收器被配置为确定手持设备的位置; 并且其中所述第一GPS接收器将所述车辆的位置提供给所述第一蜂窝电话,并且所述方向指示器被配置为响应于所述车辆的位置与所述手持车的位置的比较来指向所述车辆的方向, 手持装置。