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    • 4. 发明申请
    • PRINT MATCHING METHOD AND APPARATUS USING PSEUDO-RIDGES
    • 打印匹配方法和使用PSEUDO-RIDGES的设备
    • US20080101662A1
    • 2008-05-01
    • US11554720
    • 2006-10-31
    • PETER Z. LOYING LUO
    • PETER Z. LOYING LUO
    • G06K9/00
    • G06K9/0008G06K9/00087
    • A method for comparing a search print image comprising a first plurality of minutiae to a file print image comprising a second plurality of minutiae and the apparatus implementing the method is provided. The method includes the steps of: aligning the search and file print images; obtaining the first and second plurality of minutiae, a first plurality of pseudo-ridges generated from a first direction field of the search print image and a second plurality of pseudo-ridges generated from a second direction field of the file print image; for each aligning of the search and file print images, generating a pseudo-ridge score, and determining a minutiae matching score; and providing, based on the pseudo-ridge and minutiae matching scores, an output that indicates a level of similarity between the search and file print images.
    • 提供一种将包括第一多个细节的搜索打印图像与包括第二多个细节的文件打印图像和实现该方法的装置进行比较的方法。 该方法包括以下步骤:对齐搜索和文件打印图像; 获取第一和第二多个细节,从搜索打印图像的第一方向域产生的第一多个伪脊和从文件打印图像的第二方向字段产生的第二多个伪脊; 对于搜索和文件打印图像的每个对齐,生成伪脊得分,以及确定细节匹配得分; 并且基于伪脊和细节匹配分数提供指示搜索和文件打印图像之间的相似程度的输出。
    • 6. 发明申请
    • POWER-ON RESET CIRCUIT
    • 上电复位电路
    • US20090243669A1
    • 2009-10-01
    • US12237223
    • 2008-09-24
    • JEN-SHENG TSAIJI YANGYING LUO
    • JEN-SHENG TSAIJI YANGYING LUO
    • H03L7/00
    • G06F1/24
    • A power-on reset circuit includes a voltage-dividing circuit, a first switch and a second switch. The voltage-dividing circuit includes a first resistor and a second resistor connected in series. A first terminal of the voltage-dividing circuit is configured for connect to a power source, a second terminal of the voltage-dividing circuit is grounded. A first switch includes an input terminal, a control terminal, and an output terminal. The input terminal of the first switch is connected to the first terminal of the voltage-dividing circuit via the first resistor, and the output terminal of the first switch is grounded. A second switch includes an input terminal connected to the first terminal of the voltage-dividing circuit, a control terminal connected to the control terminal of the first switch, and an output terminal connected to a reset terminal of an electronic device.
    • 上电复位电路包括分压电路,第一开关和第二开关。 分压电路包括串联连接的第一电阻器和第二电阻器。 分压电路的第一端子被配置为连接到电源,分压电路的第二端子接地。 第一开关包括输入端子,控制端子和输出端子。 第一开关的输入端通过第一电阻连接到分压电路的第一端,第一开关的输出端接地。 第二开关包括连接到分压电路的第一端子的输入端子,连接到第一开关的控制端子的控制端子和连接到电子设备的复位端子的输出端子。
    • 8. 发明申请
    • METHOD AND APPARATUS FOR ADAPTIVE HIERARCHICAL PROCESSING OF PRINT IMAGES
    • 用于打印图像的自适应分层处理的方法和装置
    • US20070292005A1
    • 2007-12-20
    • US11456622
    • 2006-07-11
    • PETER Z. LOYING LUO
    • PETER Z. LOYING LUO
    • G06K9/00
    • G06K9/0008G06K9/036
    • Print image processing includes generating a first direction image and a multi-resolution hierarchy tree (MRT) having a plurality of direction measures, and adjusting at least one direction measure based on whether it is associated with a singularity area or a non-singularity area of the MRT, to output a final first direction image used for further print image processing. The MRT direction images include the first direction image having a highest resolution and at least one other direction image having a lower resolution. Each direction measure is determined from a direction measure, in a higher resolution direction image, which is selected based on image quality and distance from the boundary between print areas and non-print areas. Upon determining the final first direction image, a consistency measure can be computed and compared to a consistency metric and the method iteratively performed until the consistency measure satisfies the consistency metric.
    • 打印图像处理包括生成具有多个方向测量的第一方向图像和多分辨率层次结构树(MRT),并且基于其是否与奇异点区域或非奇异性区域相关联来调整至少一个方向度量 MRT,用于输出用于进一步打印图像处理的最终的第一方向图像。 MRT方向图像包括具有最高分辨率的第一方向图像和具有较低分辨率的至少一个其他方向图像。 从基于图像质量和与打印区域和非打印区域之间的边界的距离选择的更高分辨率方向图像中的方向测量来确定每个方向测量。 在确定最终的第一方向图像之后,可以计算一致性度量并将其与一致性度量进行比较,并且迭代地执行该方法,直到一致性度量满足一致性度量。