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    • 82. 发明申请
    • PIEZOELECTIRC ENERGY HARVESTING SYSTEM WITH FREQUENCY MISMATCH TOLERANCE
    • 具有频率误差容限的PIEZOELECTIRC能量采集系统
    • US20160204717A1
    • 2016-07-14
    • US14623025
    • 2015-02-16
    • Xing LiYong FengBin Shao
    • Xing LiYong FengBin Shao
    • H02N2/18
    • H02N2/181
    • An impedance matching circuit is provided for use with a piezotransducer that includes a parasitic capacitor comprising: an inductor coupled in parallel with the parasitic capacitor; a peak and valley detection circuit configured to detect output voltage waveform peaks and valleys; a first switch circuit configured to bias flip the output voltage waveform at a selectable first time relative to a detected peak and at a selectable first time relative to a detected valley; a second switch circuit configured to couple the inductor to the energy storage circuit at a selectable second time following each output voltage bias flip; an energy monitoring circuit to provide an indication of energy flow from the inductor to the energy storage circuit following each output voltage bias flip; and a maximum power point tracking (MPPT) circuit configured to select the first time and the second time based at least in part upon the indicated energy flow.
    • 阻抗匹配电路被提供用于包括寄生电容器的压电传感器,该寄生电容器包括:与寄生电容器并联耦合的电感器; 峰值谷检测电路,被配置为检测输出电压波形峰谷; 第一开关电路,被配置为将输出电压波形相对于检测到的峰值在可选择的第一时间相对于相对于检测到的谷值在可选择的第一时间进行偏置翻转; 第二开关电路,被配置为在每个输出电压偏置翻转之后的可选择的第二时间将所述电感器耦合到所述能量存储电路; 能量监测电路,用于在每个输出电压偏置翻转之后提供从电感器到能量存储电路的能量流的指示; 以及配置为至少部分地基于所指示的能量流来选择第一时间和第二时间的最大功率点跟踪(MPPT)电路。
    • 85. 发明授权
    • Billing method for copy path images
    • 复制路径图像的计费方法
    • US08914311B2
    • 2014-12-16
    • US13335387
    • 2011-12-22
    • Amal Z. MalikXing LiClara Cuciurean-Zapan
    • Amal Z. MalikXing LiClara Cuciurean-Zapan
    • G06F17/00
    • G06Q40/00
    • Disclosed is a processor-implemented method for processing image data of a document using an apparatus. The processor determines pixel classifications and counts for each classification, classifies the image, selects a billing tier for which to bill the image, determines counts of pixels for marking to output the image (e.g., in device dependent space), and then can adjust from the selected billing tier to a different billing tier based on the image classification (e.g., and/or using determined counts of pixels for each classification and determined counts of pixels for marking). Counts of pixels can be adjusted using an offset, or calculated using a combination of the determined counts (e.g., combining counts from both independent and dependent spaces). By adjusting the tier at which to bill data, more accurate billing can be implemented for documents with contone or grayscale image data, for example, with greater customer satisfaction.
    • 公开了一种处理器实现的方法,用于使用装置处理文档的图像数据。 处理器确定每个分类的像素分类和计数,对图像进行分类,选择用于对图像收费的计费层,确定用于标记输出图像的像素数(例如,在设备相关空间中),然后可以从 基于图像分类(例如和/或使用确定的每个分类的像素计数和确定的用于标记的像素的计数)的不同计费层的所选计费层。 可以使用偏移来调整像素的数量,或者使用确定的计数的组合计算(例如,从独立空间和从属空间组合计数)来计算像素数。 通过调整账单数据的层次,可以对具有连字符或灰度图像数据的文档实现更准确的计费,例如,具有更大的客户满意度。
    • 86. 发明授权
    • Method and system for isolated dot detection and growth in a document image
    • 用于文档图像中孤立点检测和增长的方法和系统
    • US08804200B2
    • 2014-08-12
    • US13547738
    • 2012-07-12
    • Xing LiZhenhuan WenAmal Malik
    • Xing LiZhenhuan WenAmal Malik
    • H04N1/40G06T5/00H04N1/46
    • H04N1/4092H04N1/405
    • A method for detecting and growing isolated dots in a document image having a plurality of pixels is provided. The method includes isolating the pixels of the image to form a plurality of windows, each window having a target pixel; detecting an isolated dot in the received image; identifying a dot growth factor to grow the detected isolated dot in the received image; using the dot growth factor to identify tiered pixel patterns from a plurality of predefined, tiered pixel patterns, wherein each of the tiered pixel patterns having a predetermined dot growth factor; comparing the pixels within each window to the pixel patterns within the identified tier to identify a match between the pixels within the window and at least one of the pixel patterns; and changing a pixel value of the target pixel, when a match is identified, to grow the isolated dot by the dot growth factor.
    • 提供了一种用于在具有多个像素的文档图像中检测和增长孤立点的方法。 该方法包括隔离图像的像素以形成多个窗口,每个窗口具有目标像素; 检测接收到的图像中的孤立点; 识别点生长因子以增加接收到的图像中检测到的孤立点; 使用所述点生长因子来从多个预定义的分层像素图案中识别分层像素图案,其中每个所述分层像素图案具有预定的点生长因子; 将每个窗口内的像素与所识别的层中的像素图案进行比较,以识别窗口内的像素与至少一个像素图案之间的匹配; 并且当识别出匹配时,改变目标像素的像素值,以使点生长因子增加孤立点。
    • 87. 发明授权
    • Color detection for tiered billing in copy and print jobs
    • 复印和打印作业中分层计费的颜色检测
    • US08775281B2
    • 2014-07-08
    • US12962298
    • 2010-12-07
    • Xing Li
    • Xing Li
    • G07F19/00H04M15/00
    • G06Q30/04H04N1/56
    • Disclosed herein are a method and an image processing apparatus implementing the method for determining a billing structure for outputting documents. The method determines if pixels of image data of a document in device independent space are neutral (e.g., gray) or non-neutral (e.g., color), and, based on at least the determined neutral pixels in device independent space, determines a billable pixel count of color pixels in the image data. In one example, the determined billable pixel count of color pixels is based on at least both an estimated color count in device independent space and a determined pixel count in device dependent space. In another, pixels are tagged based on the neutral and/or non-neutral determination in device independent space, and, if the tag indicates that a selected pixel is color in device dependent space, the selected pixel is counted for the billable pixel count.
    • 这里公开了实现用于确定用于输出文档的计费结构的方法的方法和图像处理装置。 该方法确定设备无关空间中的文档的图像数据的像素是中性的(例如,灰色)还是非中性(例如,颜色),并且至少基于设备独立空间中确定的中性像素确定可计费 图像数据中的彩色像素的像素数。 在一个示例中,所确定的彩色像素的可收费像素计数至少基于设备无关空间中的估计颜色计数和设备相关空间中确定的像素数量。 另一方面,基于设备无关空间中的中性和/或非中性确定来标记像素,并且如果标签指示所选择的像素是与设备相关的空间中的颜色,则对于可计费像素计数来计数所选择的像素。
    • 88. 发明授权
    • Dot growth system and method
    • 点生长系统和方法
    • US08670157B2
    • 2014-03-11
    • US13547765
    • 2012-07-12
    • Amal MalikZhenhuan WenXing Li
    • Amal MalikZhenhuan WenXing Li
    • G06K15/00
    • G06K15/1871
    • The present disclosure relates to a method and system for processing isolated dots of an image to be printed by a printer. The method includes detecting whether pixels corresponding to an isolated dot in the image are in an on state. A first sum of pixels that are in an on state in a first pixel ring surrounding the pixels corresponding to the isolated dot when the pixels in the isolated dot are detected to be in the on state is determined. The first sum of pixels in the first pixel ring that are in the on state is compared with a first threshold sum. A first number of pixels in at least a second pixel ring either comprising of or surrounding the pixels corresponding to the isolated dot are turned on when the first sum of pixels in the on state is less than the first threshold sum.
    • 本公开涉及一种用于处理由打印机打印的图像的孤立点的方法和系统。 该方法包括检测与图像中的孤立点相对应的像素是否处于接通状态。 确定当孤立点中的像素被检测为处于导通状态时围绕与孤立点相对应的像素的第一像素环中处于导通状态的第一和像素总和。 将处于导通状态的第一像素环中的第一像素总和与第一阈值和进行比较。 当处于导通状态的像素的第一和小于第一阈值和时,至少第二像素环中的第一数量的像素包括或者包围对应于孤立点的像素。
    • 89. 发明申请
    • SYSTEMS AND METHODS FOR DYNAMIC SHARPNESS CONTROL IN SYSTEM USING BINARY TO CONTINUOUS TONE CONVERSION
    • 使用二进制连续色调转换的系统中动态锐度控制的系统和方法
    • US20140049799A1
    • 2014-02-20
    • US13585553
    • 2012-08-14
    • Xing LiZhenhuan WenPeter D. McCandlish
    • Xing LiZhenhuan WenPeter D. McCandlish
    • H04N1/409
    • H04N1/4092H04N1/40075
    • Embodiments relate to systems and methods for dynamic sharpness control in system using binary to continuous tone conversion. Image data can be processed in the image path of a copier, printer, or other device to enhance sharpness based on user settings. The image can originate in a high-resolution and/or high-color format. The user can select sharpness values to provide better rendered detail. A front-end high-pass 2D filter can be adjusted in response to the settings. A binarized version of the image data is produced in the downstream path. At the back of the image path, the image would conventionally be sent through a binary data to extended contone (BDEC) low-pass filter, set to a fixed level, to produce contone output, counteracting the user's sharpness settings. Instead of applying a fixed back-end filter, that stage can be dynamically adjusted to correspond to the user's sharpness settings, reducing the low-pass effect proportionately.
    • 实施例涉及使用二进制到连续色调转换的系统中的动态清晰度控制的系统和方法。 可以在复印机,打印机或其他设备的图像路径中处理图像数据,以根据用户设置增强锐度。 该图像可以以高分辨率和/或高色格式出现。 用户可以选择锐度值来提供更好的渲染细节。 可以根据设置调整前端高通2D滤镜。 图像数据的二值化版本在下游路径中产生。 在图像路径的背面,图像通常将通过二进制数据发送到扩展连续色调(BDEC)低通滤波器,设置为固定电平,以产生连续色调输出,抵消用户的锐度设置。 代替应用固定的后端滤波器,该阶段可以动态调整以对应于用户的锐度设置,按比例降低低通效果。
    • 90. 发明申请
    • CONTONE DOMAIN COLOR PIXEL COUNTING FOR COLOR AREA COVERAGE BASED BILLING
    • 用于彩色区域覆盖的触摸屏颜色像素计数
    • US20130311403A1
    • 2013-11-21
    • US13473250
    • 2012-05-16
    • Meng YAOXing Li
    • Meng YAOXing Li
    • G06Q30/00
    • G06Q30/06H04N1/56
    • Disclosed herein are a method and a system implementing the method for billing using color pixel counting in documents or image in the contone domain. The method includes using the intensity or density levels (e.g., 0 to 255) for each color of each pixel of interest in the contone domain to calculate one or more probability values that one or more output colorants are provided at its location in the binary domain. The probabilities determined based on the contone color domain data are used to estimate an overall area coverage of color pixels in the document, which can be used to determine a billing structure or cost for outputting the document.
    • 本文公开了一种方法和系统,其实现使用连续色调域中的文档或图像中的彩色像素计数的计费方法。 该方法包括对连续色谱域中感兴趣的每个像素的每个颜色使用强度或浓度水平(例如,0至255)来计算一个或多个在二值域中的位置处提供一个或多个输出着色剂的概率值 。 基于连续色域数据确定的概率用于估计文档中彩色像素的总面积覆盖率,其可用于确定用于输出文档的计费结构或成本。