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    • 65. 发明申请
    • Method and apparatus for providing a rolling double reset timing for global storage in image sensors
    • 用于提供用于图像传感器中的全局存储的滚动双重复位定时的方法和装置
    • US20090073289A1
    • 2009-03-19
    • US12222864
    • 2008-08-18
    • Chen XuParker Altice
    • Chen XuParker Altice
    • H04N9/64H04N5/335
    • H04N5/3745H01L27/14609H04N5/359H04N5/361H04N5/363H04N5/374
    • An apparatus for and a method of operating an array of pixels of an image sensor, where each pixel includes at least a photosensor, an associated storage device and a floating diffusion region and the array of pixels is configured in a plurality of rows and columns. The photosensors associated with the pixels are reset and charges are accumulated in the photosensor. The accumulated charges are then globally transferred to storage devices associated with the pixels. A rolling double reset is used to reduce the deleterious effects on the accumulated charges stored in the storage devices. The accumulated charges stored in the storage devices are transferred to floating diffusion regions associated with the pixels and the charges residing in the floating diffusion region are read out. In a second embodiment the storage device is eliminated and the rolling double reset is used to reduce the deleterious effects on the accumulated charges stored in the floating diffusion region.
    • 一种用于操作图像传感器的像素阵列的装置和方法,其中每个像素至少包括光传感器,相关联的存储装置和浮动扩散区域,并且像素阵列被配置成多个行和列。 与像素相关联的光电传感器被复位,并且电荷累积在光电传感器中。 然后将累积的费用全局转移到与像素相关联的存储设备。 使用滚动双重复位来减少存储在存储设备中的累积电荷的有害影响。 存储在存储装置中的累积电荷被转移到与像素相关联的浮动扩散区域,并且读出驻留在浮动扩散区域中的电荷。 在第二实施例中,消除了存储装置,并且使用滚动双重复位来减少对存储在浮动扩散区域中的累积电荷的有害影响。
    • 68. 发明申请
    • Image-document retrieving apparatus, method of retrieving image document, program, and recording medium
    • 图像文件检索装置,检索图像文档,程序和记录介质的方法
    • US20080240618A1
    • 2008-10-02
    • US11998793
    • 2007-11-30
    • Mang ChenBo WuYadong WuChen Xu
    • Mang ChenBo WuYadong WuChen Xu
    • G06K9/54
    • G06K9/4604G06K9/00456G06K2209/01
    • Feature vectors used in discrimination of images include information on feature blocks of images in an image-document retrieving apparatus of the present invention. Text areas of a page image document are combined to form rectangular images. On the basis of information on the rectangular images that are extracted, a geometric structure of the page is analyzed, the page image document is divided into plural blocks, and then a plurality of feature blocks describing features of the page document image are selected from the plural blocks. The feature vectors are constituted of information on the feature blocks thus selected. This makes it possible to provide an image-document retrieving apparatus and a method of retrieving image documents, by which retrieval of image documents containing mainly text and a graphic is improvable in accuracy.
    • 用于鉴别图像的特征向量包括关于本发明的图像文档检索装置中的图像的特征块的信息。 页面图像文档的文本区域被组合以形成矩形图像。 基于提取的矩形图像的信息,分析页面的几何结构,将页面图像文档分割成多个块,然后从描述页面文档图像的特征的多个特征块中选择 多个块。 特征矢量由这样选择的特征块的信息构成。 这使得可以提供图像文档检索装置和检索图像文档的方法,通过该图像文档检索可以精确地改进主要包含文本和图形的图像文档。
    • 69. 发明授权
    • Method and apparatus for providing a rolling double reset timing for global storage in image sensors
    • 用于提供用于图像传感器中的全局存储的滚动双重复位定时的方法和装置
    • US07427736B2
    • 2008-09-23
    • US11386678
    • 2006-03-23
    • Chen XuParker Altice
    • Chen XuParker Altice
    • H01L27/00H04N9/64H04N5/217
    • H04N5/3745H01L27/14609H04N5/359H04N5/361H04N5/363H04N5/374
    • An apparatus for and a method of operating an array of pixels of an image sensor, where each pixel includes at least a photosensor, an associated storage device and a floating diffusion region and the array of pixels is configured in a plurality of rows and columns. The photosensors associated with the pixels are reset and charges are accumulated in the photosensor. The accumulated charges are then globally transferred to storage devices associated with the pixels. A rolling double reset is used to reduce the deleterious effects on the accumulated charges stored in the storage devices. The accumulated charges stored in the storage devices are transferred to floating diffusion regions associated with the pixels and the charges residing in the floating diffusion region are read out. In a second embodiment the storage device is eliminated and the rolling double reset is used to reduce the deleterious effects on the accumulated charges stored in the floating diffusion region.
    • 一种用于操作图像传感器的像素阵列的装置和方法,其中每个像素至少包括光传感器,相关联的存储装置和浮动扩散区域,并且像素阵列被配置成多个行和列。 与像素相关联的光电传感器被复位,并且电荷累积在光电传感器中。 然后将累积的费用全局转移到与像素相关联的存储设备。 使用滚动双重复位来减少存储在存储设备中的累积电荷的有害影响。 存储在存储装置中的累积电荷被转移到与像素相关联的浮动扩散区域,并且读出驻留在浮动扩散区域中的电荷。 在第二实施例中,消除了存储装置,并且使用滚动双重复位来减少对存储在浮动扩散区域中的累积电荷的有害影响。