公开(公告)号：US20160110628A1

公开(公告)日：2016-04-21

申请号：US14981815

申请日：2015-12-28

申请人： Yi-Yuh Hwang ,  Guang-Sheen Liu ,  Chin-Der Hwang ,  Wei-Guo Chang ,  Chih-Ming Liao

发明人： Yi-Yuh Hwang ,  Guang-Sheen Liu ,  Chin-Der Hwang ,  Wei-Guo Chang ,  Chih-Ming Liao

IPC分类号： G06K9/52 ,  G01D18/00 ,  G06T7/00 ,  G01D5/347 ,  G06T7/60 ,  G06K9/62

CPC分类号： G06K9/52 ,  G01B5/008 ,  G01B11/005 ,  G01B11/26 ,  G01B21/042 ,  G01D5/30 ,  G01D5/3473 ,  G01D18/00 ,  G06K9/32 ,  G06K9/4671 ,  G06K9/6201 ,  G06K9/74 ,  G06T7/60

摘要： The present invention mainly provides a precision calibration method for being applied in a high-precise rotary encoder system, wherein the primary technology feature of the precision calibration method is that: using a laser speckle image capturing module to capture N frames of laser speckle image from an optical position surface of a rotary encoding body, and then using image comparison libraries and particularly-designed mathematical equations to calculate N number of image displacements, so as to eventually calculate N number of primary variation angles and sub variation angles corresponding to the N frames of laser speckle image. Therefore, after the rotary encoding body is rotated by an arbitrary angle, an immediate angle coordinate can be precisely positioned according to the primary variation angles, the secondary variation angles and the N number of image displacements.

摘要翻译： 本发明主要提供了一种应用于高精度旋转编码器系统的精密校准方法，其中精密校准方法的主要技术特征是：使用激光散斑图像捕获模块捕获N帧的激光散斑图像 旋转编码体的光学位置表面，然后使用图像比较库和特别设计的数学方程来计算N个图像位移，以便最终计算与N个帧对应的N个初级变化角和子变化角 的激光斑点图像。 因此，在旋转编码体旋转了任意角度后，可以根据主变化角，二次变化角和N个图像位移精确地定位立体角坐标。

公开(公告)号：US20130235389A1

公开(公告)日：2013-09-12

申请号：US13416229

申请日：2012-03-09

申请人： Yi-Yuh Hwang ,  Chin-Der Hwang ,  Chih-Ming Liao ,  Ting-Wei Chiang ,  Wei-Guo Chang ,  Wen-Cheng Huang

发明人： Yi-Yuh Hwang ,  Chin-Der Hwang ,  Chih-Ming Liao ,  Ting-Wei Chiang ,  Wei-Guo Chang ,  Wen-Cheng Huang

IPC分类号： G01C21/00

CPC分类号： G01D5/34

摘要： An actuating apparatus includes a motion driving module rigidly coupled to a platform, a working stage driven by the motion driving module to move relative to the platform, a speckle image capturing module rigidly coupled to the working stage and capable of capturing a speckle image of a sub-region of a reference region of the platform, and a control module operable in a positioning mode, where the control module obtains a current position of the working stage in a coordinate system associated with the platform based on a comparison between the captured speckle image and reference speckle image information that is associated with and unique to the reference region, and controls the motion driving module to drive the working stage toward a target position in the coordinate system based on a difference between the current position and the target position.

摘要翻译： 驱动装置包括刚性地联接到平台的运动驱动模块，由运动驱动模块驱动以相对于平台移动的工作台，刚性地耦合到工作台的散斑图像捕获模块，并能够捕获 所述平台的参考区域的子区域和可以定位模式操作的控制模块，其中所述控制模块基于所捕获的散斑图像之间的比较来获得与所述平台相关联的坐标系中的所述工作台的当前位置 以及参考斑点图像信息，其与参考区域相关联并且是唯一的，并且基于当前位置和目标位置之间的差异来控制运动驱动模块朝向坐标系中的目标位置驱动工作台。

公开(公告)号：US08144339B2

公开(公告)日：2012-03-27

申请号：US12634707

申请日：2009-12-10

申请人： Yi-Yuh Hwang ,  Chih-Ming Liao ,  Chin-Der Hwang ,  Shin-I Ma ,  Ting-Wei Chiang ,  Chun-Hao Chen ,  Wen-Cheng Huang ,  Mau-Ran Wang

发明人： Yi-Yuh Hwang ,  Chih-Ming Liao ,  Chin-Der Hwang ,  Shin-I Ma ,  Ting-Wei Chiang ,  Chun-Hao Chen ,  Wen-Cheng Huang ,  Mau-Ran Wang

IPC分类号： G01B11/14 ,  G01B9/02

CPC分类号： G01B11/14 ,  G01B11/002 ,  G06F3/0317

摘要： A method and system for positioning by using optical speckle are disclosed in this invention. A highly coherent laser light irradiates a positioning template in advance to record optical speckles caused by interference by scattered light beams from the positioning template for establishing a speckle database. Furthermore, a reference point is defined to position each recorded speckle. Therefore, a coordinate with respect to the reference point corresponding to a specified speckle can be used to position a target or applied to distance measurement by the speckle database. The precision of the speckles according to the present invention is within several micrometers. Hence, it can provide high precision positioning.

摘要翻译： 本发明公开了一种使用光学散斑进行定位的方法和系统。 高度相干的激光预先照射定位模板以记录由来自定位模板的散射光束的干涉引起的光斑，以建立散斑数据库。 此外，定义参考点以定位每个记录的斑点。 因此，可以使用相对于指定斑点的参考点的坐标来定位目标或应用于斑点数据库的距离测量。 根据本发明的斑点的精度在几微米内。 因此，可以提供高精度定位。

公开(公告)号：US07593113B2

公开(公告)日：2009-09-22

申请号：US12071071

申请日：2008-02-15

申请人： Yi-Yuh Hwang ,  Ming Chen ,  Mau-Ran Wang ,  Wen-Chen Huang ,  Shin-I Ma ,  Chin-Der Hwang ,  Guang-Sheen Liu

发明人： Yi-Yuh Hwang ,  Ming Chen ,  Mau-Ran Wang ,  Wen-Chen Huang ,  Shin-I Ma ,  Chin-Der Hwang ,  Guang-Sheen Liu

IPC分类号： G01B11/02

CPC分类号： G02B27/48 ,  G06F3/0317 ,  G06F3/03543

摘要： The present invention relates to a large area undistorted imaging apparatus for light speckles and a method thereof. The large area undistorted imaging apparatus for light speckles comprises a light-emitting device, a light-limiting module, and a sensor. The light-limiting module is adapted in front of the sensor, and includes a plurality of light-limiting members. The light-limiting members are arranged in a one- or two-dimensional array. When the light-emitting device emits light to an object surface, one or more rays of scattered light are produced. By means of the light-limiting module, said one or more rays of scattered light are limited, and a plurality of rays of diffraction light is produced. The plurality of rays of diffraction light within a certain angular field of view produced by a light-limiting member interferes with each other and produces a plurality of undistorted light speckles, and forms an array of light-speckle images on the sensor. Finally, according to the array of light-speckle images, a large-area and undistorted light-speckle pattern is given. Because the light-speckle pattern is undistorted and records the three-dimensional characteristics of the object surface, the undistorted imaging apparatus can be applied to computer mice, finger guiders, smart cards, three-dimensional fingerprint identification apparatuses, a machine tool or precise manipulator positioning systems.

摘要翻译： 本发明涉及一种用于光斑的大面积无失真成像装置及其方法。 用于光斑的大面积未失真成像装置包括发光装置，限光模块和传感器。 光限制模块适于在传感器的前面，并且包括多个限光件。 光限制构件以一维或二维阵列布置。 当发光装置向物体表面发光时，产生一束或多束散射光。 借助于限光模块，所述一束或多束散射光被限制，产生多束衍射光线。 在由限定光学部件产生的特定角度视场内的多个衍射光线彼此干涉并产生多个未失真的光斑，并且在传感器上形成光斑图像阵列。 最后，根据光斑图像的阵列，给出了大面积和未失真的光斑图案。 由于光斑图案不变形，记录了物体表面的三维特性，所以不失真的成像装置可以应用于计算机鼠标，指纹器，智能卡，三维指纹识别装置，机床或精密机械手 定位系统。

公开(公告)号：US20090207419A1

公开(公告)日：2009-08-20

申请号：US12071071

申请日：2008-02-15

申请人： Yi-Yuh Hwang ,  Ming Chen ,  Mau-Ran Wang ,  Wen-Chen Huang ,  Shin-I Ma ,  Chin-Der Hwang ,  Guang-Sheen Liu

发明人： Yi-Yuh Hwang ,  Ming Chen ,  Mau-Ran Wang ,  Wen-Chen Huang ,  Shin-I Ma ,  Chin-Der Hwang ,  Guang-Sheen Liu

IPC分类号： G01B9/02 ,  G02B27/00

CPC分类号： G02B27/48 ,  G06F3/0317 ,  G06F3/03543

摘要： The present invention relates to a large area undistorted imaging apparatus for light speckles and a method thereof. The large area undistorted imaging apparatus for light speckles comprises a light-emitting device, a light-limiting module, and a sensor. The light-limiting module is adapted in front of the sensor, and includes a plurality of light-limiting members. The light-limiting members are arranged in a one- or two-dimensional array. When the light-emitting device emits light to an object surface, one or more rays of scattered light are produced. By means of the light-limiting module, said one or more rays of scattered light are limited, and a plurality of rays of diffraction light is produced. The plurality of rays of diffraction light within a certain angular field of view produced by a light-limiting member interferes with each other and produces a plurality of undistorted light speckles, and forms an array of light-speckle images on the sensor. Finally, according to the array of light-speckle images, a large-area and undistorted light-speckle pattern is given. Because the light-speckle pattern is undistorted and records the three-dimensional characteristics of the object surface, the undistorted imaging apparatus can be applied to computer mice, finger guiders, smart cards, three-dimensional fingerprint identification apparatuses, a machine tool or precise manipulator positioning systems.

公开(公告)号：US20070139659A1

公开(公告)日：2007-06-21

申请号：US11300488

申请日：2005-12-15

申请人： Yi-Yuh Hwang ,  Ming Chen ,  Mau-Ran Wang ,  Wen-Chen Huang ,  Shin-I Ma

发明人： Yi-Yuh Hwang ,  Ming Chen ,  Mau-Ran Wang ,  Wen-Chen Huang ,  Shin-I Ma

IPC分类号： G01B11/14

CPC分类号： G01B11/002 ,  G06F3/03543

摘要： A method and device for capturing speckles are described. A highly coherent light emitted from a light source is used to illuminate a surface and produces scattered lights. The scattered lights pass through a light restrictive element and the diffracted lights produced by this restrictive element interfere with one another to generate a speckle pattern. An image sensor is then used to pick up the speckle pattern to form a speckle image. Therefore, the effects of diffraction and interference and a light restrictive element to enlarge the speckle size and reduce the variation of the speckle pattern during the movement of the imaging device are utilized, so that the speckle pattern can be clearly identified in the image. As a result, the method and device for capturing speckles are fairly stable and sensitive.

摘要翻译： 描述用于捕获斑点的方法和装置。 从光源发出的高度相干的光用于照亮表面并产生散射光。 散射的光通过光限制元件，并且由该限制元件产生的衍射光彼此干涉以产生散斑图案。 然后使用图像传感器拾取斑点图案以形成斑点图像。 因此，利用衍射和干涉的效果以及光限制元件来增大散斑尺寸并减小成像装置运动期间散斑图案的变化，从而可以在图像中清楚地识别散斑图案。 因此，捕捉斑点的方法和装置是相当稳定和敏感的。

公开(公告)号：US08605294B2

公开(公告)日：2013-12-10

申请号：US13416229

申请日：2012-03-09

申请人： Yi-Yuh Hwang ,  Chin-Der Hwang ,  Chih-Ming Liao ,  Ting-Wei Chiang ,  Wei-Guo Chang ,  Wen-Cheng Huang

发明人： Yi-Yuh Hwang ,  Chin-Der Hwang ,  Chih-Ming Liao ,  Ting-Wei Chiang ,  Wei-Guo Chang ,  Wen-Cheng Huang

IPC分类号： G01B11/14

CPC分类号： G01D5/34

摘要： An actuating apparatus includes a motion driving module rigidly coupled to a platform, a working stage driven by the motion driving module to move relative to the platform, a speckle image capturing module rigidly coupled to the working stage and capable of capturing a speckle image of a sub-region of a reference region of the platform, and a control module operable in a positioning mode, where the control module obtains a current position of the working stage in a coordinate system associated with the platform based on a comparison between the captured speckle image and reference speckle image information that is associated with and unique to the reference region, and controls the motion driving module to drive the working stage toward a target position in the coordinate system based on a difference between the current position and the target position.

摘要翻译： 驱动装置包括刚性地联接到平台的运动驱动模块，由运动驱动模块驱动以相对于平台移动的工作台，刚性地耦合到工作台的散斑图像捕获模块，并能够捕获 所述平台的参考区域的子区域和可以定位模式操作的控制模块，其中所述控制模块基于所捕获的散斑图像之间的比较来获得与所述平台相关联的坐标系中的所述工作台的当前位置 以及参考斑点图像信息，其与参考区域相关联并且是唯一的，并且基于当前位置和目标位置之间的差异来控制运动驱动模块朝向坐标系中的目标位置驱动工作台。

公开(公告)号：US20110262012A1

公开(公告)日：2011-10-27

申请号：US12771582

申请日：2010-04-30

申请人： Chih-Ming Liao ,  Chun-Hao Chen ,  Ting-Wei Chiang ,  Yi-Yuh Hwang ,  Shin-I Ma ,  Chin-Der Hwang ,  Wen-Cheng Hwang ,  Mau-Ran Wang

发明人： Chih-Ming Liao ,  Chun-Hao Chen ,  Ting-Wei Chiang ,  Yi-Yuh Hwang ,  Shin-I Ma ,  Chin-Der Hwang ,  Wen-Cheng Hwang ,  Mau-Ran Wang

IPC分类号： G06K9/62

CPC分类号： G06K19/06009 ,  G06K7/10861 ,  G06K7/12 ,  G06K9/0004 ,  G06K9/00577 ,  H04L9/32 ,  H04L2209/805

摘要： A method for determining whether a to-be-identified individual is a registered individual includes the steps of: a) providing the registered individual with a non-biometric target, which is provided with a to-be-detected surface capable of scattering coherent light that is to be detected by an image sensor so as to obtain a speckle image unique to the non-biometric target, and storing reference speckle image information corresponding to the speckle image associated with the non-biometric target in a database; b) obtaining speckle image information associated with the to-be-identified individual; c) determining whether the speckle image information of the to-be-identified individual has a match with the reference speckle image information stored in the database; and d) determining the to-be-identified individual as the registered individual when it is determined in step c) that there is a match, and determining the to-be-identified individual as a non-registered individual when otherwise.

摘要翻译： 一种用于确定要被识别的个人是否是注册个体的方法包括以下步骤：a）向注册的个体提供非生物测定目标，该非生物测定目标被提供有能够散射相干光的待检测表面 由图像传感器检测，以获得非生物测定目标特有的散斑图像，并将与非生物测定目标相关联的散斑图像对应的参考散斑图像信息存储在数据库中; b）获得与被识别的个体相关联的斑点图像信息; c）确定要被识别的个体的斑点图像信息是否与存储在数据库中的参考散斑图像信息相匹配; 以及d）当在步骤c）中确定存在匹配时，确定要被识别的个体作为注册个体，并且在另外的情况下确定要被识别的个人为非注册个体。

公开(公告)号：US20110141014A1

公开(公告)日：2011-06-16

申请号：US12639110

申请日：2009-12-16

申请人： Chih-Ming LIAO ,  Ting-Wei CHIANG ,  Chun-Hao CHEN ,  Yi-Yuh HWANG ,  Shin-I MA ,  Wen-Cheng HUANG ,  Chin-Der HWANG ,  Mau-Ran WANG

发明人： Chih-Ming LIAO ,  Ting-Wei CHIANG ,  Chun-Hao CHEN ,  Yi-Yuh HWANG ,  Shin-I MA ,  Wen-Cheng HUANG ,  Chin-Der HWANG ,  Mau-Ran WANG

IPC分类号： G06F3/042 ,  G09G5/08

CPC分类号： G06F3/03547 ,  G06F3/0317 ,  G06F3/0428

摘要： A highly sensitive movable touchpad is disclosed in the present invention. It is used for laptop computers and has a slidable template for users to move so that a cursor can be controlled by the touchpad. A resistive or capacitive detecting surface can be applied for detecting users' click, double click, drag, or scroll motion on any point of the surface. Additionally, there is an optical displacement sensor provided under the slidable template for detecting surface information on the back surface of the slidable template. A sequence of images of surface movement are processed by an image processing unit. Then, relative movement information is calculated and sent to an operating system in the computer. The operating system controls the cursor with the relative movement information. The present invention uses edge detectors for dynamically controlling the cursor and calibrating location of the cursor so that positioning of the touchpad is synchronous with the cursor.

摘要翻译： 在本发明中公开了一种高灵敏度的可移动触控板。 它用于笔记本电脑，并具有可滑动的模板，供用户移动，以便可以通过触摸板控制光标。 可以应用电阻或电容检测表面来检测用户在表面的任何点上的点击，双击，拖动或滚动运动。 此外，还有一个光学位移传感器设置在可滑动模板下方，用于检测可滑动模板背面的表面信息。 表面运动的图像序列由图像处理单元处理。 然后，计算相对运动信息并将其发送到计算机中的操作系统。 操作系统用相对运动信息控制光标。 本发明使用边缘检测器来动态地控制光标并校准光标的位置，使得触摸板的定位与光标同步。

公开(公告)号：US20080088853A1

公开(公告)日：2008-04-17

申请号：US11998406

申请日：2007-11-30

申请人： Yi-Yuh Hwang ,  Ming Chen ,  Shin-I Ma ,  Chin-Der Hwang ,  Mau-Ran Wang ,  Wen-Chen Huang

发明人： Yi-Yuh Hwang ,  Ming Chen ,  Shin-I Ma ,  Chin-Der Hwang ,  Mau-Ran Wang ,  Wen-Chen Huang

IPC分类号： G01B11/02

CPC分类号： G01B11/02 ,  G01B11/002 ,  G06F3/03543

摘要： An image invariant optical speckle capturing device and method. A highly coherent light is used to illuminate a surface and is scattered by the surface, and is captured from the direction with a ±100 from the angle of specular reflection. A light restrictive module is designed to confine the angular field of view of the sensor, when the speckle capturing device has a relative motion with respect to the surface, the speckle only move on the image but the shape and the intensity are almost keep constant, that is favorable for high accuracy optical pattern recognition and positioning.

摘要翻译： 一种图像不变光学斑点捕获装置及方法。 高度相干的光用于照射表面并被表面散射，并且从镜面反射的角度从±10°0°的方向捕获。 光限制模块被设计成限制传感器的角视场，当斑点捕获装置相对于表面具有相对运动时，散斑仅在图像上移动，但形状和强度几乎保持恒定， 这有利于高精度光学图案识别和定位。