公开(公告)号：US08238972B2

公开(公告)日：2012-08-07

申请号：US11564963

申请日：2006-11-30

Applicant: Dejun Wang ,  Hassan Elwan ,  Adel F. Fanous

Inventor： Dejun Wang ,  Hassan Elwan ,  Adel F. Fanous

IPC: H04M1/00 ,  H04N7/16

CPC classification number: H04N5/64

Abstract: A portable memory device dimensioned and configured as any of a removable flash memory card, a USB flash drive, and a jump drive and a method of wireless communication, wherein the portable memory device comprises a single housing component; a data storage component within the single housing component; and a wireless receiver operatively connected to the data storage component and within the single housing component, wherein the wireless receiver is adapted to receive wireless signals comprising radio signals, satellite signals, TV signals, and Bluetooth™ specification signals, and wherein the wireless receiver is adapted to wirelessly communicate with a LAN. The portable memory device may further comprise an interface component adapted to connect to a host computing device. Preferably, the TV signals comprise mobile TV signals.

Abstract translation: 一种便携式存储设备，其尺寸和配置为任何可拆卸的闪存卡，USB闪存驱动器和跳转驱动器以及无线通信的方法，其中所述便携式存储设备包括单个外壳部件; 单个外壳部件内的数据存储部件; 以及无线接收器，其可操作地连接到所述数据存储部件并且在所述单个外壳部件内，其中所述无线接收器适于接收包括无线电信号，卫星信号，TV信号和Bluetooth TM规范信号的无线信号，并且其中所述无线接收器 适于与LAN无线通信。 便携式存储设备还可以包括适于连接到主计算设备的接口组件。 优选地，TV信号包括移动TV信号。

公开(公告)号：US08115553B1

公开(公告)日：2012-02-14

申请号：US12883051

申请日：2010-09-15

Applicant: Dejun Wang

Inventor： Dejun Wang

IPC: H03F1/38

CPC classification number: H03F3/3028 ,  H03F1/26 ,  H03F1/3205 ,  H03F1/342 ,  H03F3/189 ,  H03F3/193 ,  H03F2200/294 ,  H03F2200/36 ,  H03F2200/411

Abstract: A radio frequency wide band amplifier having a noise that does not exceed a threshold value, and a linearity better than a threshold value. The radio frequency wide band amplifier architecture includes a first stage amplifier and a second stage amplifier. The second stage amplifier includes an input source resistor (Rin) that receives an input voltage signal, a feedback resistor (Rfb) directly connected to the input source resistor, a p-type metal-oxide-semiconductor (PMOS) transistor directly connected to the input source resistor. The PMOS transistor receives an output from the input source resistor. A n-type metal-oxide-semiconductor (NMOS) transistor directly connected to the input source resistor. The NMOS transistor receives an output from the input source resistor. A lumped output resistor (Rout) that receives an output from the feedback resistor, the PMOS transistor, and the NMOS transistor. A terminal of the lumped output impedance is connected to ground.

Abstract translation: 具有噪声不超过阈值的射频宽带放大器，并且线性度优于阈值。 射频宽带放大器架构包括第一级放大器和第二级放大器。 第二级放大器包括接收输入电压信号的输入源电阻器（Rin），直接连接到输入源电阻器的反馈电阻器（Rfb），直接连接到输入源电阻器的p型金属氧化物半导体（PMOS）晶体管 输入源电阻。 PMOS晶体管接收来自输入源电阻的输出。 直接连接到输入源电阻的n型金属氧化物半导体（NMOS）晶体管。 NMOS晶体管接收输入源电阻的输出。 集成输出电阻（Rout），其接收来自反馈电阻器，PMOS晶体管和NMOS晶体管的输出。 集总输出阻抗的端子连接到地。

公开(公告)号：US07525465B1

公开(公告)日：2009-04-28

申请号：US12033305

申请日：2008-02-19

Applicant: Hassan Elwan ,  Dejun Wang

Inventor： Hassan Elwan ,  Dejun Wang

IPC: H03M3/00

CPC classification number: H03M3/364 ,  H03M3/362 ,  H03M3/366 ,  H03M3/424 ,  H03M3/452

Abstract: A continuous time-sigma delta (CT-SD) data converter comprising a loop filter includes a first integrator having a first loop filter coefficient and a second integrator operatively coupled to the first integrator, the second integrator having a second loop filter coefficient, a modulator coupled to the loop filter, a reset switch coupled to the second integrator, a first peak detector operatively coupled in series with the second integrator to indicate an instability condition of a signal level exceeding a first threshold at an output of the second integrator, a second peak detector adapted to detect an input signal level to the CT-SD data converter, and a digital engine coupled to the first peak detector.

Abstract translation: 包括环路滤波器的连续时间Σ-Δ（CT-SD）数据转换器包括具有第一环路滤波器系数的第一积分器和可操作地耦合到第一积分器的第二积分器，第二积分器具有第二环路滤波器系数，调制器 耦合到所述环路滤波器，耦合到所述第二积分器的复位开关，与所述第二积分器串联操作耦合的第一峰值检测器，以指示在所述第二积分器的输出处超过第一阈值的信号电平的不稳定性条件;第二 峰值检测器，适于检测到CT-SD数据转换器的输入信号电平，以及耦合到第一峰值检测器的数字引擎。

公开(公告)号：US20080297239A1

公开(公告)日：2008-12-04

申请号：US11755125

申请日：2007-05-30

Applicant: Hassan Elwan ,  Amr Fahim ,  Edward Youssounan ,  Ahmed A. Emira ,  Dejun Wang

Inventor： Hassan Elwan ,  Amr Fahim ,  Edward Youssounan ,  Ahmed A. Emira ,  Dejun Wang

IPC: H03B1/04

CPC classification number: H03H11/10 ,  H03H11/1291 ,  H03H11/525

Abstract: A noise shaping and voltage gain filtering third order electrical circuit and method comprises at least one pair of input resistors; a Frequency Dependent Negative Resistance (FDNR) filter positioned in between the at least one pair of input resistors; a feedback resistor; and an amplifier operatively connected to the feedback resistor and the at least one pair of input resistors, wherein as an electrical signal is introduced to the electrical circuit, the FDNR filter is adapted to filter signal blockers out of the electrical signal prior to the electrical signal reaching the amplifier for signal amplification, wherein the FDNR filter does not contribute noise to a signal-to-noise ratio (SNR) of the electrical signal, and wherein a transfer function of the FDNR filter is substantially elliptical in shape.

Abstract translation: 噪声整形和电压增益滤波三阶电路和方法包括至少一对输入电阻器; 位于所述至少一对输入电阻器之间的频率相关负电阻（FDNR）滤波器; 反馈电阻; 以及可操作地连接到所述反馈电阻器和所述至少一对输入电阻器的放大器，其中当电信号被引入所述电路时，所述FDNR滤波器适于在所述电信号之前将所述电信号中的信号阻挡器滤波 到达用于信号放大的放大器，其中FDNR滤波器不对电信号的信噪比（SNR）贡献噪声，并且其中FDNR滤波器的传递函数的形状基本上是椭圆形的。

公开(公告)号：US20060115161A1

公开(公告)日：2006-06-01

申请号：US11288267

申请日：2005-11-29

Applicant: Seokcheol Kee ,  Dejun Wang ,  Jiali Zhao

Inventor： Seokcheol Kee ,  Dejun Wang ,  Jiali Zhao

IPC: G06K9/46

CPC classification number: G06K9/00248 ,  G06K9/6206 ,  G06K9/6857

Abstract: A face detection method and apparatus using a level-set method. The method includes: laying a first initial shape model over a face image; evolving shape curves of the first initial shape model using the level-set method; detecting first through M-th neighboring boundary points that neighbor first through M-th initial boundary points of the first initial shape model, and that neighbor the evolved shape curves, M being a positive integer larger than 1; laying a modified shape model rendered using the detected first through M-th neighboring boundary points over the face image; detecting a rotation angle of the modified shape model; determining whether the detected rotation angle of the modified shape model is within a predetermined angle range; and selecting one of a second initial shape model, which is rotated to the left, or a third initial shape model, which is rotated to the right, according to the detected rotation angle, and laying the selected initial shape model over the face image, and returning to the detecting of the first through M-th neighboring boundary points, when the detected rotation angle of the modified shape model is outside the predetermined angle range.

Abstract translation: 一种使用水平仪方法的人脸检测方法和装置。 该方法包括：在面部图像上放置第一初始形状模型; 使用水平集方法演化第一初始形状模型的形状曲线; 首先检测通过第一初始形状模型的第M个初始边界点相邻的第M个相邻边界点，以及相邻的演化形状曲线，M是大于1的正整数; 设置使用所检测的第一至第M相邻边界点在面部图像上呈现的修改后的形状模型; 检测修改后的形状模型的旋转角度; 确定所检测到的所述修改的形状模型的旋转角度是否在预定角度范围内; 以及根据所检测的旋转角度选择向左旋转的第二初始形状模型或向右旋转的第三初始形状模型中的一个，以及将所选择的初始形状模型放置在面部图像上， 并且当检测到的修正形状模型的旋转角度超出预定角度范围时，返回到第一至第M相邻边界点的检测。

公开(公告)号：US20100290707A1

公开(公告)日：2010-11-18

申请号：US12777414

申请日：2010-05-11

Applicant: Dejun Wang ,  Huanzhong Li ,  Tiantian Zhang ,  Xianfeng Ni ,  Kadri Jabri

Inventor： Dejun Wang ,  Huanzhong Li ,  Tiantian Zhang ,  Xianfeng Ni ,  Kadri Jabri

IPC: G06K9/46 ,  G01N23/04

CPC classification number: A61B6/469 ,  A61B6/4441 ,  A61B6/5241

Abstract: An image acquisition method includes determining the starting position, the ending position of a region of interest, and the value of overlap of the region of interest in the two adjacent sub-images, calculating the number of the sub-images required to be captured, the component of field of view at the direction of tube movement and the positions of the tube and the detector corresponding to each sub-image based on the starting position and the ending position of a region of interest and the value of the overlap. The method also includes moving the tube and the detector to each position and capturing the region of interest to obtain sub-images at the positions, and pasting the several sub-images together to form an image of the said region of interest.

Abstract translation: 图像获取方法包括：确定两个相邻子图像中的起始位置，感兴趣区域的结束位置和感兴趣区域的重叠值，计算需要被捕获的子图像的数量， 基于感兴趣区域的开始位置和结束位置以及重叠值，在管移动方向上的视场的分量以及管和检测器对应于每个子图像的位置。 该方法还包括将管和检测器移动到每个位置并捕获感兴趣区域以获得位置处的子图像，并将多个子图像粘贴在一起以形成所述感兴趣区域的图像。

公开(公告)号：US07697736B2

公开(公告)日：2010-04-13

申请号：US11288267

申请日：2005-11-29

Applicant: Seokcheol Kee ,  Dejun Wang ,  Jiali Zhao

Inventor： Seokcheol Kee ,  Dejun Wang ,  Jiali Zhao

IPC: G06K9/00

CPC classification number: G06K9/00248 ,  G06K9/6206 ,  G06K9/6857

Abstract: A face detection method and apparatus using a level-set method. The method includes: laying a first initial shape model over a face image; evolving shape curves of the first initial shape model using the level-set method; detecting first through M-th neighboring boundary points that neighbor first through M-th initial boundary points of the first initial shape model, and that neighbor the evolved shape curves, M being a positive integer larger than 1; laying a modified shape model rendered using the detected first through M-th neighboring boundary points over the face image; detecting a rotation angle of the modified shape model; determining whether the detected rotation angle of the modified shape model is within a predetermined angle range; and selecting one of a second initial shape model, which is rotated to the left, or a third initial shape model, which is rotated to the right, according to the detected rotation angle, and laying the selected initial shape model over the face image, and returning to the detecting of the first through M-th neighboring boundary points, when the detected rotation angle of the modified shape model is outside the predetermined angle range.

Abstract translation: 一种使用水平仪方法的人脸检测方法和装置。 该方法包括：在面部图像上放置第一初始形状模型; 使用水平集方法演化第一初始形状模型的形状曲线; 首先检测通过第一初始形状模型的第M个初始边界点相邻的第M个相邻边界点，以及相邻的演化形状曲线，M是大于1的正整数; 设置使用所检测的第一至第M相邻边界点在面部图像上呈现的修改后的形状模型; 检测修改后的形状模型的旋转角度; 确定所检测到的所述修改的形状模型的旋转角度是否在预定角度范围内; 以及根据所检测的旋转角度选择向左旋转的第二初始形状模型或向右旋转的第三初始形状模型中的一个，以及将所选择的初始形状模型放置在面部图像上， 并且当检测到的修正形状模型的旋转角度超出预定角度范围时，返回到第一至第M相邻边界点的检测。

公开(公告)号：US07280434B2

公开(公告)日：2007-10-09

申请号：US11089213

申请日：2005-03-25

Applicant: Dejun Wang ,  Jiali Zhao ,  Seokcheol Kee

Inventor： Dejun Wang ,  Jiali Zhao ,  Seokcheol Kee

IPC: G01S3/80

CPC classification number: G01S5/18 ,  G01S5/0294

Abstract: A global localization apparatus, medium, and method, with the global localization method including selecting one from a plurality of samples and shifting the selected sample according to a movement of a robot, generating a new sample within a predetermined range of the shifted sample, determining either the shifted sample or the new sample as a next sample at a next time step according to a predetermined condition for the shifted sample and the next sample, repeating for all the samples, and estimating a next position of the robot according to positions of the next samples when the number of next samples is equal to or larger than the maximum number of samples.

Abstract translation: 一种全局定位装置，介质和方法，其具有全局定位方法，包括从多个采样中选择一个并根据机器人的移动移动所选择的样本，在移位样本的预定范围内生成新样本，确定 根据移动的样本和下一个样本的预定条件，在下一个时间步长中将移位样本或新样本作为下一个样本，对于所有样本重复，并根据所述样本的位置估计机器人的下一个位置 当下一个样本的数量等于或大于最大样本数时的下一个样本。

公开(公告)号：US20050213431A1

公开(公告)日：2005-09-29

申请号：US11089213

申请日：2005-03-25

Applicant: Dejun Wang ,  Jiali Zhao ,  Seokcheol Kee

Inventor： Dejun Wang ,  Jiali Zhao ,  Seokcheol Kee

IPC: G05D1/02 ,  G01S5/02 ,  G01S5/18 ,  G01S19/44 ,  G01S19/46 ,  G01S3/80

CPC classification number: G01S5/18 ,  G01S5/0294

Abstract: A global localization apparatus, medium, and method, with the global localization method including selecting one from a plurality of samples and shifting the selected sample according to a movement of a robot, generating a new sample within a predetermined range of the shifted sample, determining either the shifted sample or the new sample as a next sample at a next time step according to a predetermined condition for the shifted sample and the next sample, repeating for all the samples, and estimating a next position of the robot according to positions of the next samples when the number of next samples is equal to or larger than the maximum number of samples.

Abstract translation: 一种全局定位装置，介质和方法，其具有全局定位方法，包括从多个采样中选择一个并根据机器人的移动移动所选择的样本，在移位样本的预定范围内生成新样本，确定 根据移动的样本和下一个样本的预定条件，在下一个时间步长中将移位样本或新样本作为下一个样本，对于所有样本重复，并根据所述样本的位置估计机器人的下一个位置 当下一个样本的数量等于或大于最大样本数时的下一个样本。