-
公开(公告)号：US20130120114A1
公开(公告)日：2013-05-16
申请号：US13671258
申请日：2012-11-07
Applicant: PIXART IMAGING INC.
Inventor： Ren-Hau GU , Ming-Tsan KAO , Sen-Huang HUANG
IPC: G06F7/02
CPC classification number: G06F7/02 , A61B5/0077 , A61B5/02405 , A61B5/0265 , A61B5/0476 , A61B5/0531 , A61B5/165 , A61B5/486 , G06K9/2036
Abstract: A biofeedback control system and method includes monitoring a physiological condition of a user to generate a sensing signal including a physiological information of the user, extracting a physiological variation information from the physiological information to generate a biofeedback signal, and generating a control signal based on the physiological variation information for controlling scenes, scenarios, background music or audio-visual effects of a program or a game. By this way, the biofeedback control system and method can trace a user's mood to automatically adjust a video output or an audio output of an electronic system where a program is playing or a game is running to enhance amusement.
Abstract translation: 生物反馈控制系统和方法包括监视用户的生理状态以产生包括用户的生理信息的感测信号，从生理信息提取生理变异信息以生成生物反馈信号，以及基于所述生物反馈信号生成控制信号 用于控制场景，场景，背景音乐或节目或游戏的视听效果的生理变化信息。 通过这种方式，生物反馈控制系统和方法可以跟踪用户的心情来自动调整程序正在播放或游戏正在运行的电子系统的视频输出或音频输出，以增强娱乐性。
-
公开(公告)号：US20160370859A1
公开(公告)日：2016-12-22
申请号：US15253503
申请日：2016-08-31
Applicant: PIXART IMAGING INC.
Inventor： Yu-Hao HUANG , Ming-Tsan KAO , Yi-Fang LEE , En-Feng HSU , Meng-Huan HSIEH , Nien-Tse CHEN
CPC classification number: G06K9/00604 , G06F3/013 , H04N5/2354
Abstract: There is provided a pupil tracking device including an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball alternatively in a first brightness value and a second brightness value. The image sensor captures a first brightness image corresponding to the first brightness value and a second brightness image corresponding to the second brightness value. The processing unit identifies a brightest region at corresponding positions of the first brightness image and the second brightness image as an active light image.
Abstract translation: 提供了一种包括主动光源，图像传感器和处理单元的光瞳跟踪装置。 主动光源以第一亮度值和第二亮度值交替地向眼球发光。 图像传感器捕获对应于第一亮度值的第一亮度图像和对应于第二亮度值的第二亮度图像。 处理单元将第一亮度图像和第二亮度图像的相应位置处的最亮区域识别为活动光图像。
-
13.发明申请EXPOSURE MECHANISM OF OPTICAL TOUCH SYSTEM AND OPTICAL TOUCH SYSTEM USING THE SAME 有权光触摸系统的曝光机制及使用该光学触控系统的光触控系统公开(公告)号：US20160124577A1
公开(公告)日：2016-05-05
申请号：US14991062
申请日：2016-01-08
Applicant: PixArt Imaging Inc.
Inventor： Ming-Tsan KAO , Tzung-Min SU , Chih-Hsin LIN
CPC classification number: G06F3/0421 , G06F3/0416
Abstract: An exposure mechanism of an optical touch system, which includes a plurality of image sensors and a plurality of active light sources each irradiating corresponding to the associated image sensor, includes: capturing image frames using the image sensors with a sampling cycle to allow each of the image sensors to capture a bright image, wherein the sampling cycle includes a plurality of working modes and in each of the working modes at least one of the image sensors captures the bright image in a sampling interval; simultaneously capturing a dark image using all the image sensors in a denoising sampling interval; and calculating a differential image between the bright image and the dark image captured by each image sensor.
Abstract translation: 光学触摸系统的曝光机构包括：多个图像传感器和对应于相关联的图像传感器照射的多个活动光源，包括：利用图像传感器以采样周期捕获图像帧，以允许每个 用于捕获明亮图像的图像传感器，其中所述采样周期包括多个工作模式，并且在每个所述工作模式中，所述图像传感器中的至少一个以采样间隔捕获所述亮度图像; 在去噪采样间隔内同时使用所有图像传感器捕获暗图像; 并且计算由每个图像传感器捕获的亮图像和暗图像之间的差分图像。
-
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。
-
公开(公告)号：US20140204046A1
公开(公告)日：2014-07-24
申请号：US13746883
申请日：2013-01-22
Applicant: PIXART IMAGING INC.
Inventor： En-Feng HSU , Ken CRANDALL , Hsin-Chia CHEN , Ming-Tsan KAO
IPC: G06F3/044
CPC classification number: G06F3/044 , G06F3/0416
Abstract: There is provided a capacitive touch sensing device including a sensing element, a drive unit, a detection circuit and a processing unit. The sensing element has a first electrode and a second electrode configured to form a coupling capacitance therebetween. The drive unit is configured to input a drive signal to the sensing element. The detection circuit is configured to detect a detection signal coupled to the second electrode from the drive signal through the coupling capacitance and to modulate the detection signal respectively with two signals to generate a two-dimensional detection vector. The processing unit identifies a touch event according to the two-dimensional detection vector.
Abstract translation: 提供了包括感测元件，驱动单元，检测电路和处理单元的电容式触摸感测装置。 感测元件具有第一电极和第二电极，其被配置为在它们之间形成耦合电容。 驱动单元被配置为向感测元件输入驱动信号。 检测电路被配置为通过耦合电容从驱动信号检测耦合到第二电极的检测信号，并分别用两个信号调制检测信号以产生二维检测向量。 处理单元根据二维检测向量来识别触摸事件。
-
Patent Agency Ranking
公开(公告)号：US20140118131A1
公开(公告)日：2014-05-01
申请号：US14054702
申请日：2013-10-15
Applicant: PixArt Imaging Inc.
Inventor： Liang-Chi CHIU , Yu-Han CHEN , Ming-Tsan KAO
CPC classification number: B60Q9/008 , B60K28/066 , B60W2540/26
Abstract: There is provided a monitoring and warning system for vehicles including a first image sensor, a second image sensor, a warning unit, an expression recognition unit and a sign recognition unit. The first image sensor captures a first image frame toward a driver seat direction. The second image sensor captures a second image frame toward a forward direction. The expression recognition unit recognizes a sleep expression according to the first image frame to accordingly control the warning unit to trigger a first warning. The sign recognition unit recognizes a stop sign according to the second image frame to accordingly control the warning unit to trigger a second warning.
Abstract translation: 提供了一种用于车辆的监视和警告系统，包括第一图像传感器，第二图像传感器，警告单元，表情识别单元和符号识别单元。 第一图像传感器朝向驾驶员座椅方向捕获第一图像帧。 第二图像传感器向前方捕获第二图像帧。 表情识别单元根据第一图像帧识别睡眠表达，从而相应地控制警告单元触发第一警告。 符号识别单元根据第二图像帧识别停止符号，以相应地控制警告单元触发第二警告。
-
17.发明申请EXPOSURE MECHANISM OF OPTICAL TOUCH SYSTEM AND OPTICAL TOUCH SYSTEM USING THE SAME 有权光触摸系统的曝光机制及使用该光学触控系统的光触控系统公开(公告)号：US20140111482A1
公开(公告)日：2014-04-24
申请号：US14052520
申请日：2013-10-11
Applicant: PixArt Imaging Inc
Inventor： Ming-Tsan KAO , Tzung-Min SU , Chih-Hsin LIN
CPC classification number: G06F3/0421 , G06F3/0416
Abstract: An exposure mechanism of an optical touch system, which includes a plurality of image sensors and a plurality of active light sources each irradiating corresponding to the associated image sensor, includes: capturing image frames using the image sensors with a sampling cycle to allow each of the image sensors to capture a bright image, wherein the sampling cycle includes a plurality of working modes and in each of the working modes at least one of the image sensors captures the bright image in a sampling interval; simultaneously capturing a dark image using all the image sensors in a denoising sampling interval; and calculating a differential image between the bright image and the dark image captured by each image sensor.
Abstract translation: 光学触摸系统的曝光机构包括：多个图像传感器和对应于相关联的图像传感器照射的多个活动光源，包括：利用图像传感器以采样周期捕获图像帧，以允许每个 用于捕获明亮图像的图像传感器，其中所述采样周期包括多个工作模式，并且在每个所述工作模式中，所述图像传感器中的至少一个以采样间隔捕获所述亮度图像; 在去噪采样间隔内同时使用所有图像传感器捕获暗图像; 并且计算由每个图像传感器捕获的亮图像和暗图像之间的差分图像。
-
18.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。
-
公开(公告)号：US20140022371A1
公开(公告)日：2014-01-23
申请号：US13934311
申请日：2013-07-03
Applicant: PixArt Imaging Inc.
Inventor： Yu-Hao HUANG , Yi-Fang LEE , Ming-Tsan KAO , Meng-Huan HSIEH , En-Feng HSU , Nien-Tse CHEN
IPC: H04N7/18
CPC classification number: H04N7/18 , G02B27/0093 , G06F3/013 , G06K9/00597
Abstract: A pupil detection device includes an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball. The image sensor captures at least one image frame of the eyeball to be served as an image to be identified. The processing unit is configured to calculate a minimum gray value in the image to be identified and to identify a plurality of pixels surrounding the minimum gray value and having gray values within a gray value range as a pupil area.
Abstract translation: 瞳孔检测装置包括主动光源，图像传感器和处理单元。 主动光源向眼球发光。 图像传感器捕获眼球的至少一个图像帧作为要识别的图像。 处理单元被配置为计算要识别的图像中的最小灰度值，并且识别周围最小灰度值的多个像素，并且具有作为瞳孔区域的灰度值范围内的灰度值。
-
公开(公告)号：US20140022168A1
公开(公告)日：2014-01-23
申请号：US13937920
申请日：2013-07-09
Applicant: PixArt Imaging Inc.
Inventor： Ming-Tsan KAO , Chia-Cheun LIANG
IPC: G06F1/32
CPC classification number: G06F1/3259 , G06F1/3206 , G06F3/0325 , G06F3/0346 , G06F3/03542 , G06F3/0386 , Y02D10/155
Abstract: A remote device includes an image sensor, a readout circuit and a processing unit. The image sensor successively captures a first image and a second image containing at least one reference beacon image. The readout circuit is configured to read first image data of the first image and second image data of the second image from the image sensor. The processing unit is configured to calculate an image feature of the at least one reference beacon image according to the first image data and control the readout circuit to only read the second image data of a range of interest in the second image according to the image feature. There is further provided a power saving method of an interactive system.
Abstract translation: 远程设备包括图像传感器，读出电路和处理单元。 图像传感器连续地捕获包含至少一个参考信标图像的第一图像和第二图像。 读出电路被配置为从图像传感器读取第一图像的第一图像数据和第二图像的第二图像数据。 处理单元被配置为根据第一图像数据计算至少一个参考信标图像的图像特征，并且控制读出电路，以仅根据图像特征仅读取第二图像中的感兴趣范围的第二图像数据 。 还提供了一种交互式系统的省电方法。
-
-
-
-
-
-
-
-
-
Search Results
41
records
(took 0.018 seconds)
