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1. 发明授权

US08279179B2 System for determining pointer position, movement, and angle 有权
标题翻译：用于确定指针位置，运动和角度的系统
公开(公告)号：US08279179B2
公开(公告)日：2012-10-02
申请号：US12477404
申请日：2009-06-03
申请人： Richard L. Baer , Ramakrishna Kakarala , Dietrich W. Vook , Xuemei Zhang , Izhak Baharav , Paul L. Corredoura
发明人： Richard L. Baer , Ramakrishna Kakarala , Dietrich W. Vook , Xuemei Zhang , Izhak Baharav , Paul L. Corredoura
IPC分类号： G09G5/08
CPC分类号： G06F3/03544 , G06F3/0321 , G06F3/0395
摘要： An a data input system includes an encoded pad having position encoding and a data input device adapted to image a portion of the encoded pad to determine position and orientation of the data input device relative to the encoded pad. The encoding pad includes a plurality of correlation windows. Each correlation window includes a primary encoding marker in form of vertical line segment and a set of secondary encoding markers in form of diagonal line segments, at least one diagonal line segment intersecting the vertical line segment at an intersection angle. Spacing of the diagonal line segments encodes the X-axis position of the input device relative to the encoding pad. Intersection angle encodes the Y-axis position of the input device relative to the encoding pad. Angle of the primary encoding marker vertical line segment within the frame of the captured image encodes the angular orientation of the input device relative to the axes of the encoded pad.
摘要翻译：数据输入系统包括具有位置编码的编码焊盘和适于对编码焊盘的一部分进行成像以确定数据输入装置相对于编码焊盘的位置和方位的数据输入装置。编码块包括多个相关窗口。每个相关窗口包括垂直线段形式的主编码标记和以对角线段形式的一组次级编码标记，至少一个与交叉角相交的垂直线段的对角线段。对角线段的间距编码输入设备相对于编码区的X轴位置。交叉角度相对于编码垫编码输入装置的Y轴位置。捕获图像的帧内的主编码标记垂直线段的角度编码输入设备相对于编码的焊盘的轴的角度取向。

2. 发明授权

US07557799B2 System for determining pointer position, movement, and angle 有权
标题翻译：用于确定指针位置，运动和角度的系统
公开(公告)号：US07557799B2
公开(公告)日：2009-07-07
申请号：US10870881
申请日：2004-06-17
申请人： Richard L. Baer , Ramakrishna Kakarala , Dietrich W. Vook , Xuemei Zhang , Izhak Baharav , Paul L. Corredoura
发明人： Richard L. Baer , Ramakrishna Kakarala , Dietrich W. Vook , Xuemei Zhang , Izhak Baharav , Paul L. Corredoura
IPC分类号： G09G5/08
CPC分类号： G06F3/03544 , G06F3/0321 , G06F3/0395
摘要： An a data input system includes an encoded pad having position encoding and a data input device adapted to image a portion of the encoded pad to determine position and orientation of the data input device relative to the encoded pad. The encoding pad includes a plurality of correlation windows. Each correlation window includes a primary encoding marker in form of vertical line segment and a set of secondary encoding markers in form of diagonal line segments, at least one diagonal line segment intersecting the vertical line segment at an intersection angle. Spacing of the diagonal line segments encodes the X-axis position of the input device relative to the encoding pad. Intersection angle encodes the Y-axis position of the input device relative to the encoding pad. Angle of the primary encoding marker vertical line segment within the frame of the captured image encodes the angular orientation of the input device relative to the axes of the encoded pad.
摘要翻译：数据输入系统包括具有位置编码的编码焊盘和适于对编码焊盘的一部分进行成像以确定数据输入装置相对于编码焊盘的位置和方位的数据输入装置。编码块包括多个相关窗口。每个相关窗口包括垂直线段形式的主编码标记和以对角线段形式的一组次级编码标记，至少一个与交叉角相交的垂直线段的对角线段。对角线段的间距编码输入设备相对于编码区的X轴位置。交叉角度相对于编码垫编码输入装置的Y轴位置。捕获图像的帧内的主编码标记垂直线段的角度编码输入设备相对于编码的焊盘的轴的角度取向。

3. 发明授权

US07019826B2 Optical inspection system, apparatus and method for reconstructing three-dimensional images for printed circuit board and electronics manufacturing inspection 失效
标题翻译：用于重建印刷电路板和电子制造检验的三维图像的光学检查系统，装置和方法
公开(公告)号：US07019826B2
公开(公告)日：2006-03-28
申请号：US10392990
申请日：2003-03-20
申请人： Dietrich W. Vook , Izhak Baharav , Xuemei Zhang , Ramakrishna Kakarala , Richard L. Baer
发明人： Dietrich W. Vook , Izhak Baharav , Xuemei Zhang , Ramakrishna Kakarala , Richard L. Baer
IPC分类号： G01N21/00 , G01N21/88 , G06K9/00
CPC分类号： G01N21/00 , G06T7/0002 , G06T7/586 , G06T7/60 , G06T7/62 , G06T2207/30141 , G06T2207/30152
摘要： A three-dimensional optical inspection system reconstructs a three-dimensional image of the shape of the surface of an at least partially specular object resident on a printed circuit board by capturing two or more two-dimensional images of the object under different illumination configurations. The diffuse reflection, as well as the specular reflection can be used to reconstruct the three-dimensional image using any reconstruction method, such as photometric stereo. The different illumination configurations can be achieved using an illumination source including light-emitting elements arranged in concentric circular arrays, in which each of the circular arrays is divided into sections. Each section is independently controlled to selectively activate the sections to illuminate the object in a pre-established illumination pattern.
摘要翻译：三维光学检查系统通过在不同照明配置下捕获物体的两个或更多个二维图像来重建驻留在印刷电路板上的至少部分镜面物体的表面形状的三维图像。漫反射以及镜面反射可用于使用诸如光度立体声的任何重建方法来重建三维图像。可以使用包括以同心圆形阵列布置的发光元件的照明源来实现不同的照明配置，其中每个圆形阵列被分成多个部分。每个部分被独立地控制以选择性地激活部分以以预先确定的照明模式照亮对象。

4. 发明申请

US20090237274A1 SYSTEM FOR DETERMINING POINTER POSITION, MOVEMENT, AND ANGLE 有权
标题翻译：用于确定点位置，运动和角度的系统
公开(公告)号：US20090237274A1
公开(公告)日：2009-09-24
申请号：US12477404
申请日：2009-06-03
申请人： Richard L. Baer , Ramakrishna Kakarala , Dietrich W. Vook , Xuemei Zhang , Izhak Baharav , Paul L. Corredoura
发明人： Richard L. Baer , Ramakrishna Kakarala , Dietrich W. Vook , Xuemei Zhang , Izhak Baharav , Paul L. Corredoura
IPC分类号： H03M1/22
CPC分类号： G06F3/03544 , G06F3/0321 , G06F3/0395
摘要： An a data input system includes an encoded pad having position encoding and a data input device adapted to image a portion of the encoded pad to determine position and orientation of the data input device relative to the encoded pad. The encoding pad includes a plurality of correlation windows. Each correlation window includes a primary encoding marker in form of vertical line segment and a set of secondary encoding markers in form of diagonal line segments, at least one diagonal line segment intersecting the vertical line segment at an intersection angle. Spacing of the diagonal line segments encodes the X-axis position of the input device relative to the encoding pad. Intersection angle encodes the Y-axis position of the input device relative to the encoding pad. Angle of the primary encoding marker vertical line segment within the frame of the captured image encodes the angular orientation of the input device relative to the axes of the encoded pad.
摘要翻译：数据输入系统包括具有位置编码的编码焊盘和适于对编码焊盘的一部分进行成像以确定数据输入装置相对于编码焊盘的位置和方位的数据输入装置。编码块包括多个相关窗口。每个相关窗口包括垂直线段形式的主编码标记和以对角线段形式的一组次级编码标记，至少一个与交叉角相交的垂直线段的对角线段。对角线段的间距编码输入设备相对于编码区的X轴位置。交叉角度相对于编码垫编码输入装置的Y轴位置。捕获图像的帧内的主编码标记垂直线段的角度编码输入设备相对于编码的焊盘的轴的角度取向。

5. 发明授权

US07176905B2 Electronic device having an image-based data input system 失效
标题翻译：具有基于图像的数据输入系统的电子设备
公开(公告)号：US07176905B2
公开(公告)日：2007-02-13
申请号：US10368717
申请日：2003-02-19
申请人： Izhak Baharav , Russell M. Iimura , Xuemei Zhang , Dietrich W. Vook , Ramakrishna Kakarala
发明人： Izhak Baharav , Russell M. Iimura , Xuemei Zhang , Dietrich W. Vook , Ramakrishna Kakarala
IPC分类号： G09G5/00
CPC分类号： G06F3/0426 , G06F2203/04109
摘要： Electronic devices having image-based data input systems are described. In one aspect, an electronic device includes a window, multiple indicia, an image sensor, and a data input processor. The window has a contact surface with an input region. The multiple indicia are viewable in the input region of the contact surface. The image sensor is constructed and arranged to produce image signals corresponding to images of the input region. The data input processor is coupled to the image sensor and is operable to produce input signals based on image signals produced by the image sensor and a mapping between areas of the input region images and locations of the input indicia.
摘要翻译：描述具有基于图像的数据输入系统的电子设备。一方面，电子设备包括窗口，多个标记，图像传感器和数据输入处理器。窗口具有与输入区域的接触面。多个标记可在接触表面的输入区域中看到。图像传感器被构造和布置成产生对应于输入区域的图像的图像信号。数据输入处理器耦合到图像传感器，并且可操作以基于由图像传感器产生的图像信号和输入区域图像的区域与输入标记的位置之间的映射来产生输入信号。

6. 发明授权

US06989862B2 System and method for concurrently demosaicing and resizing raw data images 失效
标题翻译：原始数据图像并行拆分和调整大小的系统和方法
公开(公告)号：US06989862B2
公开(公告)日：2006-01-24
申请号：US09938438
申请日：2001-08-23
申请人： Izhak Baharav , Ramakrishna Kakarala , Dietrich W. Vook
发明人： Izhak Baharav , Ramakrishna Kakarala , Dietrich W. Vook
IPC分类号： H04N5/335
CPC分类号： G06T3/4015
摘要： A system and method for processing mosaiced or raw data images operates to concurrently demosaic and resize the mosaiced images in a combined process. The combined demosaic/resize process allows the system to perform demosaicing and resizing more efficiently than conventional systems, which perform these processes separately and sequentially. Furthermore, the combined demosaic/resize process allows the system to produce demosaiced and resized images of higher quality as compared to demosaiced and resized images produced by the conventional systems.
摘要翻译：用于处理镶嵌或原始数据图像的系统和方法操作以在组合的过程中同时对马赛克图像进行去镶嵌和调整大小。组合的demosaic / resize过程允许系统比常规系统更有效地执行去马赛克和调整大小，而常规系统分别执行这些过程。此外，组合的去马赛克/调整大小的过程允许系统与由常规系统生产的去调色和调整大小的图像相比，产生更高质量的去调色和调整大小的图像。

7. 发明授权

US06737625B2 Bad pixel detection and correction in an image sensing device 有权
标题翻译：图像感测装置中的不良像素检测和校正
公开(公告)号：US06737625B2
公开(公告)日：2004-05-18
申请号：US09895627
申请日：2001-06-28
申请人： Izhak Baharav , Ramakrishna Kakarala , Xuemei Zhang , Dietrich Werner Vook
发明人： Izhak Baharav , Ramakrishna Kakarala , Xuemei Zhang , Dietrich Werner Vook
IPC分类号： H04N5335
CPC分类号： H04N5/367
摘要： A sensor includes an array of photodetectors each generating an output signal of pixel data indicative of incident light intensity. This pixel data is read out from the array one line at a time and stored in a line buffer. A bad pixel processor includes a first buffer that stores pixel data obtained from the line buffer for a certain pixel in a currently read out line and pixel signal light data for pixels adjacent to the certain pixel.
摘要翻译：传感器包括一组光电检测器，每个光电检测器产生指示入射光强度的像素数据的输出信号。该像素数据一次从阵列中读出，并存储在行缓冲器中。坏像素处理器包括第一缓冲器，其存储从当前读出的行中的某个像素的行缓冲器获得的像素数据，以及用于与特定像素相邻的像素的像素信号光数据。

8. 发明授权

US07352892B2 System and method for shape reconstruction from optical images 有权
标题翻译：光学图像形状重建的系统和方法
公开(公告)号：US07352892B2
公开(公告)日：2008-04-01
申请号：US10392948
申请日：2003-03-20
申请人： Xuemei Zhang , Ramakrishna Kakarala , Izhak Baharav
发明人： Xuemei Zhang , Ramakrishna Kakarala , Izhak Baharav
IPC分类号： G06K9/00
CPC分类号： G06T7/586 , G01N21/8806 , G01N21/95684
摘要： Reconstructing the shape of the surface of an object in greater than two dimensions is performed using a noise-tolerant reconstruction process and/or a multi-resolution reconstruction process. The noise-tolerant reconstruction process can be a Bayesian reconstruction process that adds noise information representing the noise distribution in optical image(s) of the object to surface gradient information estimated from the images to determine surface height information that defines the shape of the surface of the object in greater than two dimensions. In the multi-resolution reconstruction process, for each resolution of the image, the surface gradient information is estimated and the surface height information is calculated using the estimated surface gradient information. To obtain the final surface height map, the surface height information from each resolution is combined to reconstruct the shape of the surface of the object in greater than two dimensions. The multi-resolution reconstruction process can be used with the Bayesian reconstruction process or with another decomposition process, such as a wavelet decomposition process.
摘要翻译：使用耐噪声重建过程和/或多分辨率重建过程来执行大于二维重建对象表面的形状。噪声容忍重构过程可以是贝叶斯重构过程，其将从物体的光学图像中的噪声分布的噪声信息添加到从图像估计的表面梯度信息，以确定限定表面的形状的表面高度信息该对象大于二维。在多分辨率重建处理中，对于图像的每个分辨率，估计表面梯度信息，并且使用估计的表面梯度信息来计算表面高度信息。为了获得最终的表面高度图，组合来自每个分辨率的表面高度信息，以大于二维重建对象表面的形状。多分辨率重建过程可以与贝叶斯重构过程或者与其他分解过程（如小波分解过程）一起使用。

9. 发明申请

US20060044276A1 System for determining pointer position, movement, and angle 有权
公开(公告)号：US20060044276A1
公开(公告)日：2006-03-02
申请号：US10870881
申请日：2004-06-17
申请人： Richard Baer , Ramakrishna Kakarala , Dietrich Vook , Xuemei Zhang , Izhak Baharav , Paul Corredoura
发明人： Richard Baer , Ramakrishna Kakarala , Dietrich Vook , Xuemei Zhang , Izhak Baharav , Paul Corredoura
IPC分类号： G09G5/08
CPC分类号： G06F3/03544 , G06F3/0321 , G06F3/0395
摘要： An a data input system includes an encoded pad having position encoding and a data input device adapted to image a portion of the encoded pad to determine position and orientation of the data input device relative to the encoded pad. The encoding pad includes a plurality of correlation windows. Each correlation window includes a primary encoding marker in form of vertical line segment and a set of secondary encoding markers in form of diagonal line segments, at least one diagonal line segment intersecting the vertical line segment at an intersection angle. Spacing of the diagonal line segments encodes the X-axis position of the input device relative to the encoding pad. Intersection angle encodes the Y-axis position of the input device relative to the encoding pad. Angle of the primary encoding marker vertical line segment within the frame of the captured image encodes the angular orientation of the input device relative to the axes of the encoded pad.

10. 发明授权

US07155066B2 System and method for demosaicing raw data images with compression considerations 失效
公开(公告)号：US07155066B2
公开(公告)日：2006-12-26
申请号：US09871408
申请日：2001-05-31
申请人： Izhak Baharav , Ramakrishna Kakarala
发明人： Izhak Baharav , Ramakrishna Kakarala
IPC分类号： G06K9/46
CPC分类号： H04N9/045 , G06T3/4015 , G06T9/007 , H04N2209/046
摘要： A system and method for processing mosaiced images utilizes a compression-aware demosaicing process that takes into consideration a subsequent compression process. The compression-aware demosaicing process is performed using a compression-considered demosaicing operator that incorporates a color space conversion operator and a frequency-based transformation operator, which are typically associated with the compression process. Consequently, the overall efficiency of the system and method is significantly increased. Furthermore, the compression-aware demosaicing process produces artifacts that complement the artifacts produced by the subsequent compression process such that the artifacts are less visible in the final color images, which increases the quality of the final color images.

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