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    • 73. 发明授权
    • Digital eye camera
    • 数码眼镜
    • US06921169B2
    • 2005-07-26
    • US10758695
    • 2004-01-15
    • Wei SuNorbert A. Massle
    • Wei SuNorbert A. Massle
    • A61B3/10A61B3/107A61B3/117A61B3/12A61B3/135A61B3/14A61B5/00A61B18/18A61F9/01
    • A61B3/14A61B3/0008A61B3/12A61B3/152A61B3/154A61B5/0002A61F9/008A61F9/00817A61F2009/00844A61F2009/00846A61F2009/00863A61F2009/00872
    • A digital camera that combines the functions of the retinal camera and corneal camera into one, single, small, easy to use instrument. The single camera can acquire digital images of a retinal region of an eye, and digital images of a corneal region of the eye. The camera includes a first combination of optical elements for making said retinal digital images, and a second combination of optical elements for making said corneal digital images. In a preferred embodiment, a portion of these elements are shared elements including a first objective element of an objective lens combination, a digital image sensor and at least one eyepiece for viewing either the retina or the cornea. Also, preferably, the retinal combination also includes a first changeable element of said objective lens system for focusing, in combination with said first objective element, portions or all of said retinal region at or approximately at a common image plane. Also, preferably, the retinal combination also includes a retinal illuminating light source, an aperture within said fame and positioned within said first combination to form an effective retinal aperture located at or approximately at the lens of the eye defining an effective retinal aperture position, an infrared camera for determining eye position, and an aperture adjustment mechanism for adjusting the effective retinal aperture based on position signals from said infrared camera. Also, preferably, the cornea combination of elements includes a second changeable element of said objective lens system for focusing, in combination with said first objective element, portions or all of said cornea region at or approximately at a common image plane.
    • 数码相机将视网膜摄像机和角膜摄像机的功能组合成一个,单个,小型,易于使用的仪器。 单个相机可以获取眼睛的视网膜区域的数字图像和眼睛的角膜区域的数字图像。 相机包括用于制造所述视网膜数字图像的光学元件的第一组合以及用于制造所述角膜数字图像的光学元件的第二组合。 在优选实施例中,这些元件的一部分是共享元件,包括物镜组合的第一目标元件,数字图像传感器和用于观察视网膜或角膜的至少一个目镜。 此外,优选地,视网膜组合还包括所述物镜系统的第一可变元件,用于与所述第一物镜组合在一起或近似于共同的图像平面处聚焦所述视网膜区域的一部分或全部。 此外,优选地,视网膜组合还包括视网膜照明光源,所述声望之内的孔,并且定位在所述第一组合内,以形成位于眼睛的眼睛或近似于眼睛的镜片处的有效视网膜孔,限定有效的视网膜孔位置, 用于确定眼睛位置的红外摄像机,以及用于基于来自所述红外摄像机的位置信号来调节有效视网膜孔径的光圈调节机构。 此外,优选地,元件的角膜组合包括所述物镜系统的第二可变元件,用于与所述第一物镜元件组合在一起或接近共同的图像平面处聚焦所述角膜区域的一部分或全部。
    • 74. 发明授权
    • Method and apparatus for rapid and precision detection of omnidirectional postnet barcode location
    • 用于快速精确检测全方位邮政信箱条码位置的方法和装置
    • US06708884B1
    • 2004-03-23
    • US10319670
    • 2002-06-25
    • Wei SuYun-Qing ShiCheng-jyh ChangShu Lin
    • Wei SuYun-Qing ShiCheng-jyh ChangShu Lin
    • G06K710
    • G06K7/1443G06K7/14
    • A method for rapid and precise detecting of an omnidirectional postnet bar code on an object by digital signal processing is provided. In order to rapidly and accurately detect omnidirectional postnet bar codes, a two-dimensional digital image containing the postnet bar code is acquired, filtered and dilated to form a block dominated by a plurality of black-colored pixels. Then a down sampled image is provided and match filtered with a two-dimensional matched filtering output to indicate a best-matched filter, thus determining a postnet bar code location and orientation by associating matched filters with an orientation angle of the omnidirectional postnet bar code. The method further comprises the steps of identifying a gravity center for each short bar code and connecting the gravity centers to form a straight line by using a Hough transform and comparing the straight line with the postnet bar code location to generate a verification result and then detecting a position and an orientation of said postnet bar code location by matching said postnet bar code location with said verification result.
    • 提供了一种通过数字信号处理快速准确地检测物体上的全方位邮政网络条形码的方法。 为了快速准确地检测全向后网条形码,获取包含邮政网络条码的二维数字图像,进行滤波和扩展,以形成以多个黑色像素为主的块。 然后提供下采样图像,并与二维匹配滤波输出进行匹配滤波,以指示最佳匹配滤波器,从而通过将匹配滤波器与全向后网络条形码的定向角相关联来确定后网络条码位置和方位。 该方法还包括以下步骤:识别每个短条形码的重心,并通过使用霍夫变换连接重心以形成直线,并将直线与后网络条码位置进行比较以产生验证结果,然后检测 通过将所述邮政网络条形码位置与所述验证结果相匹配来确定所述邮政网络条形码位置的位置和方位。
    • 75. 发明授权
    • Digital eye camera
    • 数码眼镜
    • US06685317B2
    • 2004-02-03
    • US10033432
    • 2001-12-26
    • Wei SuNorbert A. Massie
    • Wei SuNorbert A. Massie
    • A61B314
    • A61B3/14A61B3/0008A61B3/12A61B3/152A61B3/154A61B5/0002A61F9/008A61F9/00817A61F2009/00844A61F2009/00846A61F2009/00863A61F2009/00872
    • A digital camera that combines the functions of the retinal camera and corneal camera into one, single, small, easy to use instrument. The single camera can acquire digital images of a retinal region of an eye, and digital images of a corneal region of the eye. The camera includes a first combination of optical elements for making said retinal digital images, and a second combination of optical elements for making said corneal digital images. In a preferred embodiment, a portion of these elements are shared elements including a first objective element of an objective lens combination, a digital image sensor and at least one eyepiece for viewing either the retina or the cornea. Also, preferably, the retinal combination also includes a first changeable element of said objective lens system for focusing, in combination with said first objective element, portions or all of said retinal region at or approximately at a common image plane. Also, preferably, the retinal combination also includes a retinal illuminating light source, an aperture within said frame and positioned within said first combination to form an effective retinal aperture located at or approximately at the lens of the eye defining an effective retinal aperture position, an infrared camera for determining eye position, and an aperture adjustment mechanism for adjusting the effective retinal aperture based on position signals from said infrared camera. Also, preferably, the cornea combination of elements includes a second changeable element of said objective lens system for focusing, in combination with said first objective element, portions or all of said cornea region at or approximately at a common image plane.
    • 数码相机将视网膜摄像机和角膜摄像机的功能组合成一个,单个,小型,易于使用的仪器。 单个相机可以获取眼睛的视网膜区域的数字图像和眼睛的角膜区域的数字图像。 相机包括用于制造所述视网膜数字图像的光学元件的第一组合以及用于制造所述角膜数字图像的光学元件的第二组合。 在优选实施例中,这些元件的一部分是共享元件,包括物镜组合的第一目标元件,数字图像传感器和用于观察视网膜或角膜的至少一个目镜。 此外,优选地,视网膜组合还包括所述物镜系统的第一可变元件,用于与所述第一物镜组合在一起或近似于共同的图像平面处聚焦所述视网膜区域的一部分或全部。 此外,优选地,视网膜组合还包括视网膜照明光源,所述框架内的孔,并且定位在所述第一组合内,以形成位于眼睛的眼睛处或近似位于眼睛的视网膜的有效视网膜孔,限定有效的视网膜孔位置, 用于确定眼睛位置的红外摄像机,以及用于基于来自所述红外摄像机的位置信号来调节有效视网膜孔径的光圈调节机构。 此外,优选地,元件的角膜组合包括所述物镜系统的第二可变元件,用于与所述第一物镜元件组合在一起或接近共同的图像平面处聚焦所述角膜区域的一部分或全部。
    • 76. 发明授权
    • Methods and computer programs for minimizing logic circuit design using
identity cells
    • 使用身份单元最小化逻辑电路设计的方法和计算机程序
    • US5974242A
    • 1999-10-26
    • US937960
    • 1997-09-25
    • T. Raju DamarlaWei Su
    • T. Raju DamarlaWei Su
    • G06F17/50
    • G06F17/505
    • Methods and computer programs for logic circuit design minimization with Identity cell representation is provided which can simplify logic circuit design by combining and minimizing Identity cells and thereby reducing the number of gates in the logic circuit. All possible Identity cells from a given logic function are generated by combining every possible pair of logic terms, then equivalent Identity cell terms are eliminated and the best subset of Identity cell terms which covers all the minterms of the given logic function is provided.The I-cell term representation is sufficiently broad in its scope to allow representation of sub-functions such as ABC+ABC as a single entity that can be readily used for minimization which may be advantageously used in logic circuit fabrication and design. Since I-cell representation includes sum of products, EXOR, EXNOR and other logic terms, fewer terms will be needed to represent a given Boolean function, and a much more simplified, inexpensive and advantageous optimal logic design structure will be obtained.
    • 提供了用于具有身份信元表示的逻辑电路设计最小化的方法和计算机程序,其可以通过组合和最小化身份信元从而减少逻辑电路中的门数来简化逻辑电路设计。 来自给定逻辑功能的所有可能的身份信元通过组合每一对可能的逻辑项来产生,然后消除等效的身份信元项,并且提供覆盖给定逻辑功能的所有小节的识别信元项的最佳子集。 I单元术语表示在其范围上足够宽,以允许将诸如ABC ++ E,ovs ABC + EE的子功能表示为可以容易地用于最小化的单个实体,其可有利地用于逻辑电路制造 和设计。 由于I单元格表示包括产品的和,EXOR,EXNOR和其他逻辑项,所以需要较少的术语来表示给定的布尔函数,并且将获得更加简化,便宜和有利的最佳逻辑设计结构。
    • 77. 发明授权
    • Method and apparatus to process drawing images
    • 处理绘图图像的方法和装置
    • US5946415A
    • 1999-08-31
    • US738502
    • 1996-10-24
    • Wei SuGerald T. Michael
    • Wei SuGerald T. Michael
    • G06K9/00G06K9/46
    • G06K9/00476
    • The processing time and memory in converting scanned images to a hardware scription language is significantly reducer by using a "peephole" method to examine only partial images of features of the scanned image that is to be converted. The present method generated minimized feature templates (MFTs) by systematically removing all non-feature image pixels. In particular, the method and apparatus of the present invention establishes pattern estimates from image samples, eliminates unnecessary image pixels using off-line statistical analysis, and extracts feature templates from the larger size image patterns. Pattern recognition is then conducted by processing a few pixels of the unknown image pattern. An application of this technique is to recognize drawing symbols, such as, AND, NAND, OR, NOR, XOR, and XNOR gates, buffers, inverters, registers, and I/O pins from scanned images of electronic drawings.
    • 通过使用“窥视孔”方法只检查要转换的扫描图像的特征的部分图像,将扫描图像转换为硬件描述语言的处理时间和存储器显着减少。 本方法通过系统地去除所有非特征图像像素来生成最小化特征模板(MFT)。 特别地,本发明的方法和装置根据图像样本建立模式估计,使用离线统计分析消除不必要的图像像素,并从较大尺寸的图像图案中提取特征模板。 然后通过处理未知图像图案的几个像素来进行模式识别。 该技术的应用是从电子图纸的扫描图像中识别图形符号,例如AND,NAND,OR,NOR,XOR和XNOR门,缓冲器,反相器,寄存器和I / O引脚。