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公开(公告)号：US09395847B2
公开(公告)日：2016-07-19
申请号：US14160572
申请日：2014-01-22
Applicant: PixArt Imaging Inc.
Inventor： Hsin-Chi Cheng , Yu-Chia Lin , Yu-Chieh Fu
CPC classification number: G06F3/042 , G06F3/0416 , G06F3/0428
Abstract: Disclosed is an image sensor comprising: an image sensing unit array, for sensing an object and comprising a plurality of image sensing units arranged in a sensing matrix with M rows and N columns; an image data reading circuit, for reading and outputting image data caught by at least part of the image sensing units; and a control unit, for controlling numbers and locations of the image sensing units for each row or each column, from which the image data reading circuit reads the image data; for computing a read region that is in the image sensing unit array and corresponds to the object; and for controlling the image data reading circuit to read at least part of the image data of the column or the row. The part of the column or the row, which is read, comprises the read region.
Abstract translation: 公开了一种图像传感器，包括：图像感测单元阵列，用于感测物体并且包括布置在具有M行和N列的感测矩阵中的多个图像感测单元; 图像数据读取电路，用于读取和输出由至少一部分图像感测单元捕获的图像数据; 以及控制单元，用于控制图像数据读取电路从其读取图像数据的每行或每列的图像感测单元的数量和位置; 用于计算在所述图像感测单元阵列中并对应于所述对象的读取区域; 并且用于控制图像数据读取电路以读取列或行的图像数据的至少一部分。 被读取的列或行的部分包括读取区域。
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2.发明申请IMAGE BRIGHTNESS ADJUSTING METHOD, OBJECT TRACKING METHOD AND OBJECT TRACKING APPARATUS 有权图像亮度调整方法，对象跟踪方法和对象跟踪设备公开(公告)号：US20150170344A1
公开(公告)日：2015-06-18
申请号：US14300192
申请日：2014-06-09
Applicant: PixArt Imaging Inc.
Inventor： Yu-Chia Lin , Yu-Hsiang Huang , Chih-Hsin Lin
CPC classification number: G06T5/007 , G01S5/16 , G06F3/0418 , G06F3/042 , H04N5/23216 , H04N5/2351 , H04N5/243
Abstract: An image brightness information adjusting method, which comprises: computing background brightness information of an image; computing a first brightness information difference between brightness information for at least one pixel of a first image line of the image and background brightness information corresponding to the first image line; and adjusting brightness information for at least one pixel of a second image line according to the first brightness information difference.
Abstract translation: 一种图像亮度信息调整方法，包括：计算图像的背景亮度信息; 计算图像的第一图像行的至少一个像素的亮度信息与对应于第一图像行的背景亮度信息之间的第一亮度信息差; 以及根据第一亮度信息差调整第二图像行的至少一个像素的亮度信息。
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公开(公告)号：US09799107B2
公开(公告)日：2017-10-24
申请号：US14300192
申请日：2014-06-09
Applicant: PixArt Imaging Inc.
Inventor： Yu-Chia Lin , Yu-Hsiang Huang , Chih-Hsin Lin
CPC classification number: G06T5/007 , G01S5/16 , G06F3/0418 , G06F3/042 , H04N5/23216 , H04N5/2351 , H04N5/243
Abstract: An image brightness information adjusting method, which comprises: computing background brightness information of an image; computing a first brightness information difference between brightness information for at least one pixel of a first image line of the image and background brightness information corresponding to the first image line; and adjusting brightness information for at least one pixel of a second image line according to the first brightness information difference.
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4.发明授权Optical touch system with brightness compensation and brightness compensation method thereof 有权具有亮度补偿和亮度补偿方法的光学触摸系统公开(公告)号：US09354749B2
公开(公告)日：2016-05-31
申请号：US14052481
申请日：2013-10-11
Applicant: PixArt Imaging Inc.
Inventor： Cheng-Nan Tsai , Tzung-Min Su , Chih-Hsin Lin , Yaun-Yu Peng , Yu-Chia Lin , Chuan-Ching Lin , Teng Wei Hsu
IPC: G06F3/042
CPC classification number: G06F3/042
Abstract: There is provided an optical touch system including a touch surface, a plurality of image sensors and a plurality or compensation light sources, wherein each of the image sensors is adjacent to one of the compensation light sources. When one of the image sensors is capturing an image frame, the compensation light source not adjacent to and within a field of view of the image sensor which is capturing the image frame irradiates so as to compensate a brightness distribution of the image frame.
Abstract translation: 提供了一种包括触摸表面，多个图像传感器和多个或补偿光源的光学触摸系统，其中每个图像传感器与补偿光源中的一个相邻。 当其中一个图像传感器正在拍摄图像帧时，不相邻并且在拍摄图像帧的图像传感器的视场内的补偿光源被照射以补偿图像帧的亮度分布。
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5.发明授权Positioning module, optical touch system and method of calculating a coordinate of a touch medium 有权定位模块，光学触摸系统以及计算触摸媒体坐标的方法公开(公告)号：US09213448B2
公开(公告)日：2015-12-15
申请号：US14097257
申请日：2013-12-05
Applicant: PixArt Imaging Inc.
Inventor： Yu-Chia Lin , Chun-Yi Lu , Chun-Sheng Lin , Yu-Hsiang Huang , Hsin-Chi Cheng
IPC: G06F3/042
CPC classification number: G06F3/0428
Abstract: A method of calculating a coordinate of a touch medium is disclosed in the present invention. The method includes obtaining a first image to determine whether the first image overlaps a first threshold, generating a first interceptive boundary when the first image overlaps the first threshold, obtaining a second image to generate a second interceptive boundary by overlap of the second image and a second threshold, determining whether the first interceptive boundary overlaps the second interceptive boundary, and confirming a status of the touch medium according to determination.
Abstract translation: 在本发明中公开了一种计算触摸媒体坐标的方法。 该方法包括获取第一图像以确定第一图像是否与第一阈值重叠，当第一图像与第一阈值重叠时产生第一截取边界，获得第二图像以通过第二图像和第二图像的重叠生成第二截截边界 第二阈值，确定第一截取边界是否与第二截取边界重叠，以及根据确定确认触摸媒体的状态。
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Patent Agency Ranking
6.发明授权Positioning module, optical touch system and method of calculating a coordinate of a touch medium 有权定位模块，光学触摸系统以及计算触摸媒体坐标的方法公开(公告)号：US09134855B2
公开(公告)日：2015-09-15
申请号：US13848720
申请日：2013-03-21
Applicant: PixArt Imaging Inc.
Inventor： Chun-Yi Lu , Hsin-Chi Cheng , Yu-Chia Lin , Chun-Sheng Lin
IPC: G06F3/042
CPC classification number: G06F3/0421
Abstract: A positioning module of calculating a coordinate of a touch medium is disclosed in the present invention. The positioning module includes at least one image detecting unit, a first light source, a second light source and a processor. The image detecting unit includes a lateral side and an upper side. The image detecting unit captures an image reflected from a reflection component. The first light source is disposed on the lateral side and outputs a first beam. The second light source is disposed on the upper side and outputs a second beam. The processor is electrically connected to the image detecting unit. The processor determines a touch status of the touch medium according to a first image generated by the first beam, and further determines a touch coordinate of the touch medium according to a second image generated by the second beam.
Abstract translation: 本发明公开了一种计算触摸媒体坐标的定位模块。 定位模块包括至少一个图像检测单元，第一光源，第二光源和处理器。 图像检测单元包括侧面和上侧。 图像检测单元捕获从反射分量反射的图像。 第一光源设置在横向侧并输出第一光束。 第二光源设置在上侧并输出第二光束。 处理器电连接到图像检测单元。 处理器根据由第一光束产生的第一图像来确定触摸媒体的触摸状态，并且还根据由第二光束产生的第二图像确定触摸媒体的触摸坐标。
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7.发明申请POSITIONING MODULE, OPTICAL TOUCH SYSTEM AND METHOD OF CALCULATING A COORDINATE OF A TOUCH MEDIUM 有权定位模块，光学触摸系统和计算触摸中心坐标的方法公开(公告)号：US20140146016A1
公开(公告)日：2014-05-29
申请号：US13848720
申请日：2013-03-21
Applicant: PIXART IMAGING INC.
Inventor： Chun-Yi Lu , Hsin-Chi Cheng , Yu-Chia Lin , Chun-Sheng Lin
IPC: G06F3/042
CPC classification number: G06F3/0421
Abstract: A positioning module of calculating a coordinate of a touch medium is disclosed in the present invention. The positioning module includes at least one image detecting unit, a first light source, a second light source and a processor. The image detecting unit includes a lateral side and an upper side. The image detecting unit captures an image reflected from a reflection component. The first light source is disposed on the lateral side and outputs a first beam. The second light source is disposed on the upper side and outputs a second beam. The processor is electrically connected to the image detecting unit. The processor determines a touch status of the touch medium according to a first image generated by the first beam, and further determines a touch coordinate of the touch medium according to a second image generated by the second beam.
Abstract translation: 本发明公开了一种计算触摸媒体坐标的定位模块。 定位模块包括至少一个图像检测单元，第一光源，第二光源和处理器。 图像检测单元包括侧面和上侧。 图像检测单元捕获从反射分量反射的图像。 第一光源设置在横向侧并输出第一光束。 第二光源设置在上侧并输出第二光束。 处理器电连接到图像检测单元。 处理器根据由第一光束产生的第一图像来确定触摸媒体的触摸状态，并且还根据由第二光束产生的第二图像确定触摸媒体的触摸坐标。
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公开(公告)号：US09575597B2
公开(公告)日：2017-02-21
申请号：US14567178
申请日：2014-12-11
Applicant: PIXART IMAGING INC.
Inventor： Yu-Chia Lin , Chih-Hsin Lin
CPC classification number: G06F3/0421 , G06K9/00355 , G06K9/2027 , G06K9/4661
Abstract: The present disclosure provides an optical touch system and an object analyzation method thereof. The optical touch system includes a panel and an image sensing apparatus installed thereon. The object analyzation method includes the following steps: capturing a first image across a touch surface of the panel with an image sensing apparatus, wherein the first image has an object image formed corresponding to the position of a pointer on the touch surface; defining an image window that corresponds to the image position of the object image in the first image captured; determining whether the pointer is touching the touch surface or hovering over the touch surface by analyzing the brightness difference among the plurality of pixels in the image window.
Abstract translation: 本公开提供了一种光学触摸系统及其对象分析方法。 光学触摸系统包括安装在其上的面板和图像感测装置。 对象分析方法包括以下步骤：利用图像感测装置跨越面板的触摸面捕获第一图像，其中第一图像具有对应于指示体在触摸表面上的位置形成的对象图像; 定义对应于所拍摄的第一图像中的对象图像的图像位置的图像窗口; 通过分析图像窗口中的多个像素之间的亮度差来确定指示器是触摸触摸表面还是在触摸表面上盘旋。
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公开(公告)号：US20160209976A1
公开(公告)日：2016-07-21
申请号：US14872046
申请日：2015-09-30
Applicant: PixArt Imaging Inc.
Inventor： Hsin-Chi Cheng , Yu-Chia Lin , Chun-Sheng Lin , Jui-Te Chiu
CPC classification number: G06F3/0416 , G06F3/0421
Abstract: The present invention provides an image data sensing system comprising a controller and at least one image sensor connected in series. The controller comprises a control input port and a control output port. The controller transmits a command signal or a synchronizing signal to all image sensors via the control output port, and the image sensor transmits image data to the controller via the control input port. By this way, the number for the ports of the controller can be decreased. The present invention further provides a mechanism that the image sensor can operate at different timings if a number of the image sensor is more than one. The present invention also provides relative image sensing methods.
Abstract translation: 本发明提供一种图像数据感测系统，包括控制器和串联连接的至少一个图像传感器。 控制器包括控制输入端口和控制输出端口。 控制器通过控制输出端口向所有图像传感器发送命令信号或同步信号，图像传感器通过控制输入端口将图像数据发送到控制器。 通过这种方式，可以减少控制器端口的数量。 本发明还提供一种如果图像传感器的数量多于一个的话，图像传感器可以在不同的定时操作的机构。 本发明还提供了相对图像感测方法。
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公开(公告)号：US09377896B2
公开(公告)日：2016-06-28
申请号：US14473138
申请日：2014-08-29
Applicant: PIXART IMAGING INC.
Inventor： Yu-Chia Lin , Yu-Hsiang Huang
CPC classification number: G06F3/0416 , G06F3/0428 , G06F2203/04101 , G06F2203/04104
Abstract: An optical touch system including a touch surface, a plurality of image sensors, a calculation unit and an identification unit is provided. The touch surface is for interactive operation with an object. Each of the image sensors is configured to capture an image frame looking across the touch surface. The calculation unit is configured to calculate a coordinate of the object and an operating depth of the object corresponding to each of the image sensors according to the image frame. The identification unit is configured to increase a count value when the coordinate is within an operable range of one of the image sensors and the operating depth corresponding to the image sensor exceeds a depth threshold to accordingly perform hovering identification according to the count value.
Abstract translation: 提供了包括触摸表面，多个图像传感器，计算单元和识别单元的光学触摸系统。 触摸表面用于与物体进行交互操作。 每个图像传感器被配置为捕获跨越触摸表面的图像帧。 计算单元被配置为根据图像帧计算对象的坐标和对应于每个图像传感器的对象的操作深度。 识别单元被配置为当坐标在图像传感器之一的可操作范围内时增加计数值，并且与图像传感器相对应的操作深度超过深度阈值，从而根据计数值执行悬停识别。
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