Circuit for calibrating focus position of optical module and calibrating method thereof
    21.
    发明授权
    Circuit for calibrating focus position of optical module and calibrating method thereof 失效
    校准光模块对焦位置的电路​​及其校正方法

    公开(公告)号:US07957634B2

    公开(公告)日:2011-06-07

    申请号:US12423813

    申请日:2009-04-15

    CPC classification number: G03B13/00

    Abstract: A circuit for calibrating a focus position of an optical module includes a calibration signal generating unit and a focus position adjusting unit. The calibration signal generating unit is utilized for generating a calibration signal according to a first focus signal and a second focus signal at the same time, where the first focus signal and second focus signal correspond to a first focus position and a second focus position, respectively, and the first focus position is different from the second focus position. The focus position adjusting unit is coupled to the calibration signal generating unit and is utilized for adjusting the focus position of the optical module to a specific focus position according to the calibration signal.

    Abstract translation: 用于校准光学模块的聚焦位置的电路​​包括校准信号生成单元和对焦位置调整单元。 校准信号生成单元用于根据第一聚焦信号和第二聚焦信号同时产生校准信号,其中第一聚焦信号和第二聚焦信号分别对应于第一聚焦位置和第二聚焦位置 并且第一对焦位置与第二对焦位置不同。 焦点位置调整单元耦合到校准信号生成单元,并用于根据校准信号将光学模块的焦点位置调整到特定对焦位置。

    PROCESSING METHOD OF BARCODE AND APPARATUS THEREOF
    22.
    发明申请
    PROCESSING METHOD OF BARCODE AND APPARATUS THEREOF 失效
    BARCODE及其装置的处理方法

    公开(公告)号:US20110084142A1

    公开(公告)日:2011-04-14

    申请号:US12684962

    申请日:2010-01-10

    Inventor: Ting-Yuan Cheng

    Abstract: A processing method of detecting a barcode from an original image includes: an edge processing process, a barcode positioning process and a projection modification process. The edge processing process is for converting an original image into a binarized input image. The barcode positioning process is for deriving position information of the barcode, and includes: deriving a plurality of luminance groups according to luminance values of all pixels of the input image; utilizing a determining circuit to determine whether each luminance group complies with an identification bar and to derive position information of the identification bars; and deriving position information of the barcode according to the position information of the identification bars. The projection modification process converts the original image into a modified image according to the position information of the barcode.

    Abstract translation: 从原始图像检测条形码的处理方法包括:边缘处理处理,条形码定位处理和投影修改处理。 边缘处理过程用于将原始图像转换为二进制输入图像。 条形码定位处理用于导出条形码的位置信息,并且包括:根据输入图像的所有像素的亮度值导出多个亮度组; 利用确定电路来确定每个亮度组是否符合识别条,并导出识别条的位置信息; 以及根据识别条的位置信息导出条形码的位置信息。 投影修改处理根据条形码的位置信息将原始图像转换为修改图像。

    IMAGE PROCESSING METHOD FOR DERIVING TEXT CHARACTERISTIC IMAGE FROM INPUT IMAGE AND RELATED APPARATUS
    23.
    发明申请
    IMAGE PROCESSING METHOD FOR DERIVING TEXT CHARACTERISTIC IMAGE FROM INPUT IMAGE AND RELATED APPARATUS 失效
    用于从输入图像和相关装置传送文本特征图像的图像处理方法

    公开(公告)号:US20110033109A1

    公开(公告)日:2011-02-10

    申请号:US12573889

    申请日:2009-10-06

    CPC classification number: G06K9/4604 G06K9/4652 G06K2209/01

    Abstract: An image processing method for deriving text characteristic images from an input image includes: performing a plurality of edge detecting processes upon the input image to generate a plurality of edge images, respectively, and deriving a first text characteristic image according to the edge images. The image detecting processes include: performing a first edge detecting process upon the input image to derive a first edge image according to a first upper threshold and a first lower threshold, and performing a second edge detecting process upon the input image to derive a second edge image according to a second upper threshold and a second lower threshold.

    Abstract translation: 用于从输入图像导出文本特征图像的图像处理方法包括:对输入图像执行多个边缘检测处理,分别生成多个边缘图像,并根据边缘图像导出第一文本特征图像。 图像检测处理包括:对输入图像执行第一边缘检测处理以根据第一上阈值和第一下阈值导出第一边缘图像,并且对输入图像执行第二边缘检测处理以导出第二边缘 图像根据第二上阈值和第二下阈值。

    IMAGE PROCESSING METHOD FOR BACKGROUND REMOVAL
    24.
    发明申请
    IMAGE PROCESSING METHOD FOR BACKGROUND REMOVAL 有权
    用于背景拆卸的图像处理方法

    公开(公告)号:US20100322515A1

    公开(公告)日:2010-12-23

    申请号:US12552295

    申请日:2009-09-02

    Inventor: Ting-Yuan Cheng

    Abstract: An image processing method includes: receiving an input image; referring to a first threshold value to compare a reference background image and the input image to determine a first foreground image within the input image; referring to the first foreground image to determine a second foreground image, which is different from the first foreground image, within the input image; and referring to a second threshold value, which is different from the first foreground image, to compare the reference background image and the second foreground image to determine a third foreground image within the input image. In addition, when generating the foreground image, a shadow effect is removed via a shadow removal method according to the present invention, and a better output image can thereby be derived.

    Abstract translation: 一种图像处理方法包括:接收输入图像; 参考用于比较参考背景图像和输入图像以确定输入图像内的第一前景图像的第一阈值; 参考所述第一前景图像以确定与所述第一前景图像不同的第二前景图像在所述输入图像内; 并且参考与第一前景图像不同的第二阈值来比较参考背景图像和第二前景图像以确定输入图像内的第三前景图像。 此外,当生成前景图像时,通过根据本发明的阴影去除方法去除阴影效果,从而可以导出更好的输出图像。

    PRINTING CONTROL METHOD APPLIED TO PRINTING APPARATUS AND RELATED PRINTING APPARATUS
    25.
    发明申请
    PRINTING CONTROL METHOD APPLIED TO PRINTING APPARATUS AND RELATED PRINTING APPARATUS 审中-公开
    适用于打印设备和相关打印设备的打印控制方法

    公开(公告)号:US20130094889A1

    公开(公告)日:2013-04-18

    申请号:US13542638

    申请日:2012-07-05

    Inventor: Ting-Yuan Cheng

    CPC classification number: B41J13/0009

    Abstract: A method of controlling a printing apparatus is provided. The method is utilized for printing on a plurality of print media, and there are intervals between the print media. The method determines a starting reference point for printing on a print medium. The method includes generating a predicted interval position according to a interval reference position and an period average corresponding to an average width of a single print medium and an average width of a single interval; calculating a difference between a measured interval position and the predicted interval position; generating an error compensation value according to a compensation operation and updating the reference interval position by adjusting the reference interval position according to the error compensation value if the difference value is not greater than a threshold value; and controlling the printing apparatus to print by updating the predicted interval position according to the updated reference interval position.

    Abstract translation: 提供了一种控制打印设备的方法。 该方法用于在多个打印介质上打印,并且在打印介质之间存在间隔。 该方法确定用于在打印介质上打印的起始参考点。 该方法包括根据间隔基准位置和与单个打印介质的平均宽度相对应的周期平均值和单个间隔的平均宽度来生成预测间隔位置; 计算测量间隔位置和预测间隔位置之间的差; 根据补偿操作产生误差补偿值,并且如果差值不大于阈值,则通过根据误差补偿值调整参考间隔位置来更新参考间隔位置; 以及根据更新的基准间隔位置,通过更新预测间隔位置来控制打印装置的打印。

    Printing control method and printing control apparatus for line light source detection
    26.
    发明授权
    Printing control method and printing control apparatus for line light source detection 失效
    用于线光源检测的打印控制方法和打印控制装置

    公开(公告)号:US08397993B2

    公开(公告)日:2013-03-19

    申请号:US13083609

    申请日:2011-04-11

    Inventor: Ting-Yuan Cheng

    CPC classification number: G06K5/00

    Abstract: A printing control method for line light source detection, for controlling at least one printing parameter of a printing apparatus. The printing control method includes: utilizing a line light source to scan a barcode to derive a barcode profile corresponding to the barcode; deriving a grading information corresponding to the barcode according to the barcode profile and a threshold, and deriving a modified barcode profile according to the grading information and the barcode profile; and adjusting the at least one printing parameter of the printing apparatus according to the modified barcode profile.

    Abstract translation: 一种用于线光源检测的打印控制方法,用于控制打印装置的至少一个打印参数。 打印控制方法包括:利用线光源扫描条形码以导出对应于条形码的条形码轮廓; 根据条形码轮廓和阈值导出与条形码相对应的分级信息,并根据分级信息和条形码轮廓导出修改的条形码轮廓; 以及根据修改的条形码轮廓调整打印装置的至少一个打印参数。

    Low power discrete-time electronic circuit
    27.
    发明授权
    Low power discrete-time electronic circuit 有权
    低功率离散时间电子电路

    公开(公告)号:US08358230B2

    公开(公告)日:2013-01-22

    申请号:US13095913

    申请日:2011-04-28

    Inventor: Ting-Yuan Cheng

    CPC classification number: H03M1/002 H03M1/168

    Abstract: A low power discrete-time electronic circuit includes an amplifier, and a variable current supply. The variable current supply is electrically connected to the amplifier, and is utilized for supplying high current to the amplifier during a switching operation and supplying low current to the amplifier during a non-switching period.

    Abstract translation: 低功率离散时间电子电路包括放大器和可变电流源。 可变电流源电连接到放大器,并且用于在开关操作期间向放大器提供高电流,并且在非切换周期期间向放大器提供低电流。

    Processing method of barcode and apparatus thereof
    28.
    发明授权
    Processing method of barcode and apparatus thereof 失效
    条形码及其装置的处理方法

    公开(公告)号:US08251292B2

    公开(公告)日:2012-08-28

    申请号:US12684962

    申请日:2010-01-10

    Inventor: Ting-Yuan Cheng

    Abstract: A processing method of detecting a barcode from an original image includes: an edge processing process, a barcode positioning process and a projection modification process. The edge processing process is for converting an original image into a binarized input image. The barcode positioning process is for deriving position information of the barcode, and includes: deriving a plurality of luminance groups according to luminance values of all pixels of the input image; utilizing a determining circuit to determine whether each luminance group complies with an identification bar and to derive position information of the identification bars; and deriving position information of the barcode according to the position information of the identification bars. The projection modification process converts the original image into a modified image according to the position information of the barcode.

    Abstract translation: 从原始图像检测条形码的处理方法包括:边缘处理处理,条形码定位处理和投影修改处理。 边缘处理过程用于将原始图像转换为二进制输入图像。 条形码定位处理用于导出条形码的位置信息,并且包括:根据输入图像的所有像素的亮度值导出多个亮度组; 利用确定电路来确定每个亮度组是否符合识别条,并导出识别条的位置信息; 以及根据识别条的位置信息导出条形码的位置信息。 投影修改处理根据条形码的位置信息将原始图像转换为修改图像。

    METHOD FOR PRODUCING HIGH RESOLUTION IMAGE
    29.
    发明申请
    METHOD FOR PRODUCING HIGH RESOLUTION IMAGE 失效
    生产高分辨率图像的方法

    公开(公告)号:US20120038785A1

    公开(公告)日:2012-02-16

    申请号:US12908708

    申请日:2010-10-20

    Inventor: Ting-Yuan Cheng

    CPC classification number: H04N5/23232 G06T3/4007 G06T7/223 H04N5/23254

    Abstract: A high resolution image producing method includes the following steps. Firstly, an object is continuously shot to produce plural shot images. Then, plural original images are selected from the plural shot images. Then, each of the original images is segmented into plural blocks, and the motion vector of each block of each original image is calculated. Then, a first original image is scaled-up to acquire a first basis image, and a second basis image is acquired by copying the first basis image. A phase error is calculated according to the first basis image, and an interpolating operation is performed on the second basis image to obtain a high resolution image.

    Abstract translation: 高分辨率图像产生方法包括以下步骤。 首先,连续拍摄物体以产生多个拍摄图像。 然后,从多个拍摄图像中选择多个原始图像。 然后,将每个原始图像分割成多个块,并且计算每个原始图像的每个块的运动矢量。 然后,第一原始图像被放大以获取第一基本图像,并且通过复制第一基础图像来获取第二基本图像。 根据第一基础图像计算相位误差,并对第二基础图像执行内插操作以获得高分辨率图像。

    Broadband single-ended input upconverter
    30.
    发明授权
    Broadband single-ended input upconverter 有权
    宽带单端输入上变频器

    公开(公告)号:US07123899B1

    公开(公告)日:2006-10-17

    申请号:US09656172

    申请日:2000-09-06

    Abstract: An upconverter for mixing a single-ended RF signal with a differential local oscillator signal to generate a differential IF signal, that includes a source degenerated first differential pair comprising matched first and second transistors, each having source, gate and drain terminals, wherein the gate of the first transistor receives the input signal and the gate of the second transistor receives a ground potential, and a second differential pair comprising matched third and fourth transistors, each having source, gate and drain terminals, and a third differential pair comprising matched fifth and sixth transistors, each having source, gate and drain terminals, wherein the sources of the third and fourth transistors are coupled to the drain of the first transistor and the sources of the fifth and sixth transistors are coupled to the drain of the second transistor, the gate of the third transistor is coupled to the gate of the fifth transistor and the gate of the fourth transistor is coupled to the gate of the sixth transistor, the drain of the third transistor is coupled to the drain of the sixth transistor and the drain of the fourth transistor is coupled to the drain of the fifth transistor, the gates of the third and fourth transistors receive the differential local oscillator signal, the drains of the third and fourth transistors supply the differential IF signal, the gate of the first transistor is coupled to the single-ended RF signal, and the gate of the second transistor is coupled to a DC control signal.

    Abstract translation: 一种用于将单端RF信号与差分本地振荡器信号混合以产生差分IF信号的上变频器,其中包括具有源极,栅极和漏极端子的匹配的第一和第二晶体管的源极退化的第一差分对,其中栅极 所述第一晶体管接收所述输入信号,并且所述第二晶体管的栅极接收地电位;以及第二差分对,其包括具有源极,栅极和漏极端子的匹配的第三和第四晶体管,以及第三差分对, 第六晶体管,每个具有源极,栅极和漏极端子,其中第三和第四晶体管的源极耦合到第一晶体管的漏极,第五和第六晶体管的源极耦合到第二晶体管的漏极, 第三晶体管的栅极耦合到第五晶体管的栅极,第四晶体管的栅极为c 耦合到第六晶体管的栅极,第三晶体管的漏极耦合到第六晶体管的漏极,第四晶体管的漏极耦合到第五晶体管的漏极,第三和第四晶体管的栅极接收 差分本地振荡器信号,第三和第四晶体管的漏极提供差分IF信号,第一晶体管的栅极耦合到单端RF信号,并且第二晶体管的栅极耦合到DC控制信号 。

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