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公开(公告)号：US20170217016A1
公开(公告)日：2017-08-03
申请号：US15493503
申请日：2017-04-21
Applicant: PixArt Imaging Inc.
Inventor： Sen-Huang HUANG , Yi-Hsien KO
CPC classification number: B25J9/161 , A63H30/04 , B25J11/0085 , G05D1/0016 , G05D1/0033 , G05D1/0246 , G05D2201/0214 , G08C17/02 , G08C23/04 , H04N5/23229
Abstract: There is provided a remote control system including a controlled device and a remote device. The controlled device has a light source and moves according to a control signal from the remote device. The remote device is adapted to be operated by a user and includes an image sensor. The remote device determines a moving direction of the controlled device according to an imaging position of the light source in the image captured by the image sensor and a pointing position of the user, and outputs the control signal.
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公开(公告)号：US20150193669A1
公开(公告)日：2015-07-09
申请号：US14629764
申请日：2015-02-24
Applicant: PIXART IMAGING INC.
Inventor： Ren-Hau GU , Ming-Tsan KAO , Sen-Huang HUANG
CPC classification number: G06K9/46 , G06K9/00013 , G06K9/00604 , G06K9/00892 , G06K9/6201 , G06K2009/00932 , G06T2207/30076 , H04N7/18
Abstract: A system and method based on hybrid biometric detection capture first images of a user that is projected by first light of different wavelengths, extract various biometric informations from the first images, analyze and compare for each of the biometric informations to generate a matching score, determine an identity for the user according to all of the matching scores, generate second images and PPG signals from dispensed second light from the user, generate a time and PPG variation signal and a space and PPG variation signal for each frame of the second images, convert the time and PPG variation signals into frequency domain signals, determine a reference frequency according to the space and PPG variation signals, retrieve energy of the frequency domain signals at the reference frequency, and establish a three-dimensional energy distribution from the retrieved energy.
Abstract translation: 基于混合生物特征检测的系统和方法捕获由不同波长的第一光投射的用户的第一图像，从第一图像中提取各种生物信息，分析和比较每个生物信息以产生匹配分数，确定 根据所有匹配分数的用户的身份，从分配的来自用户的第二光产生第二图像和PPG信号，为第二图像的每个帧生成时间和PPG变化信号以及空间和PPG变化信号，转换 将时间和PPG变化信号转换为频域信号，根据空间和PPG变化信号确定参考频率，检索参考频率下的频域信号的能量，并从检索到的能量建立三维能量分布。
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3.发明申请GESTURE RECOGNITION METHOD AND APPARATUS WITH IMPROVED BACKGROUND SUPPRESSION 有权具有改进的背景抑制的姿势识别方法和装置公开(公告)号：US20140023230A1
公开(公告)日：2014-01-23
申请号：US13940744
申请日：2013-07-12
Applicant: PixArt Imaging Inc
Inventor： Yu-Hao HUANG , Ming-Tsan KAO , Sen-Huang HUANG
IPC: G06K9/00
CPC classification number: G06K9/00335 , G06T7/50 , G06T7/60
Abstract: A gesture recognition method with improved background suppression includes the following steps. First, a plurality of images are sequentially captured. Next, a position of at least one object in each of the images is calculated to respectively obtain a moving vector of the object at different times. Then, an average brightness of the object in each of the images is calculated. Finally, magnitudes of the moving vectors of the object at different times are respectively adjusted according to the average brightness of the object in each of the images. There is further provided a gesture recognition apparatus using the method mentioned above.
Abstract translation: 具有改进的背景抑制的手势识别方法包括以下步骤。 首先，依次捕获多个图像。 接下来，计算每个图像中的至少一个对象的位置，以分别在不同时间获得对象的移动向量。 然后，计算每个图像中的对象的平均亮度。 最后，根据每个图像中对象的平均亮度，分别调整不同时间的对象的移动向量的大小。 还提供了使用上述方法的手势识别装置。
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公开(公告)号：US20140014824A1
公开(公告)日：2014-01-16
申请号：US13939484
申请日：2013-07-11
Applicant: PIXART IMAGING INC.
Inventor： Sen-Huang HUANG , Chi-chih SHEN , Yen-Min CHANG , Hui-Hsuan CHEN
IPC: G01J1/02
CPC classification number: G01J1/0271 , G01J1/0204 , G01J1/0407 , G01J1/0418 , G01J1/0448 , G01V8/10
Abstract: A packaged optical device includes a package frame having a compartment and an opening, a sensor chip bonded in the compartment, and a non-lens transparency layer embedded in the package frame at the opening and sealing up the opening. This package structure could prevent the sensor chip from adhesion of suspended particles or other contaminations, and simply the assembly process, thereby improving reliability and reducing cost of the packaged optical device.
Abstract translation: 封装的光学器件包括具有隔间和开口的封装框架，结合在隔室中的传感器芯片，以及在开口处嵌入封装框架中并封闭开口的非透镜透明层。 该封装结构可以防止传感器芯片粘附悬浮颗粒或其他污染物，并且简单地组装过程，从而提高可靠性并降低封装的光学器件的成本。
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公开(公告)号：US20130127714A1
公开(公告)日：2013-05-23
申请号：US13632327
申请日：2012-10-01
Applicant: PIXART IMAGING INC.
Inventor： Ren-Hau GU , Ming-Tsan KAO , Sen-Huang HUANG
CPC classification number: A61B5/6898 , A61B5/1128 , A61B5/14552 , A61B5/721 , G06F3/0317 , G06F2203/0338
Abstract: There is provided a user interface system including a slave device and a master device. The slave device provides light of two different wavelengths to illuminate a finger surface, receives reflected light from the finger surface to generate a plurality of image frames, calculates and outputs an image data associated with a predetermined number of the image frames. The master device calculates a contact status and a displacement of the finger surface and a physiological characteristic of a user according to the image data.
Abstract translation: 提供了包括从设备和主设备的用户界面系统。 从设备提供两种不同波长的光以照亮手指表面，接收来自手指表面的反射光以产生多个图像帧，计算并输出与预定数量的图像帧相关联的图像数据。 主装置根据图像数据计算手指表面的接触状态和位移以及用户的生理特征。
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Patent Agency Ranking
公开(公告)号：US20190261873A1
公开(公告)日：2019-08-29
申请号：US16412702
申请日：2019-05-15
Applicant: PixArt Imaging Inc.
Inventor： Sen-Huang HUANG , Ren-Hau GU
Abstract: A physiological detection system including an image sensor, a converting unit, a retrieving unit and a processing unit is provided. The image sensor includes a plurality of pixels respectively configured to output a PPG signal. The converting unit is configured to convert a plurality of PPG signals of a plurality of pixels regions to a plurality of frequency domain signals. The retrieving unit is configured to respectively retrieve a spectral energy of the frequency domain signals corresponding to each of the pixel regions. The processing unit is configured to construct a 3D energy distribution according to the spectral energies.
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公开(公告)号：US20140028868A1
公开(公告)日：2014-01-30
申请号：US13916631
申请日：2013-06-13
Applicant: PixArt Imaging Inc
Inventor： Yu-Hao HUANG , Ming-Tsan KAO , Sen-Huang HUANG
IPC: G01B11/14
CPC classification number: G01B11/14 , G01B11/02 , G06F3/0317
Abstract: A displacement detection device includes an image sensor, a light source and a processing unit. The image sensor is configured to successively capture images. The light source provides light with an emission frequency and an emission duration for the image sensor in capturing the images. The processing unit is configured to calculate a displacement according to the images and to adjust both the emission frequency and the emission duration according to the displacement.
Abstract translation: 位移检测装置包括图像传感器，光源和处理单元。 图像传感器被配置为连续地捕获图像。 光源为图像传感器在拍摄图像时提供发光频率和发射持续时间。 处理单元被配置为根据图像计算位移，并且根据位移来调整发射频率和发射持续时间。
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公开(公告)号：US20130129164A1
公开(公告)日：2013-05-23
申请号：US13683657
申请日：2012-11-21
Applicant: PIXART IMAGING INC.
Inventor： Ren-Hau GU , Ming-Tsan KAO , Sen-Huang HUANG
IPC: G06K9/00
CPC classification number: G06K9/00013 , G06K9/00885 , G06K9/00892 , G06K2009/00932
Abstract: An identity recognition system and method capture an image of a subject that is projected by light of different wavelengths, extract various biometric informations from the image, analyze and compare for each of the biometric informations to generate a matching score, and determine an identity for the subject according to all of the matching scores. The system and method have higher recognition accuracy, lower false acceptance rate, lower false rejection rate, and higher flexibility.
Abstract translation: 身份识别系统和方法捕获由不同波长的光投射的对象的图像，从图像中提取各种生物信息，分析和比较每个生物信息以产生匹配分数，并且确定 根据所有匹配分数进行主题。 系统和方法具有较高的识别精度，较低的误码率，较低的误拒率和较高的灵活性。
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公开(公告)号：US20210185260A1
公开(公告)日：2021-06-17
申请号：US17172147
申请日：2021-02-10
Applicant: PIXART IMAGING INC.
Inventor： Sen-Huang HUANG , Tso-Sheng TSAI
IPC: H04N5/378 , H04N5/374 , H01L27/146
Abstract: There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.
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公开(公告)号：US20200224886A1
公开(公告)日：2020-07-16
申请号：US16818442
申请日：2020-03-13
Applicant: PixArt Imaging Inc.
Inventor： Chih-Ming SUN , Ming-Han TSAI , Chiung-Wen LIN , Po-Wei YU , Wei-Ming WANG , Sen-Huang HUANG
Abstract: There is provided an auto detection system including a thermal detection device and a host. The host controls an indication device to indicate a prompt message or detection results according to a slope variation of voltage values or 2D distribution of temperature values detected by the thermal detection device, wherein the voltage values include the detected voltage of a single pixel or the sum of detected voltages of multiple pixels of a thermal sensor.
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