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1. 发明申请

US20050185841A1 Automatic document reading system for technical drawings 有权
标题翻译：自动文件阅读系统技术图纸
公开(公告)号：US20050185841A1
公开(公告)日：2005-08-25
申请号：US11111603
申请日：2005-04-21
申请人： Jenn-Kwei Tyan , Ming Fang
发明人： Jenn-Kwei Tyan , Ming Fang
IPC分类号： G06F17/30 , G06K9/00 , G06K9/20 , G06K9/34
CPC分类号： G06K9/00476 , G06F17/30253 , G06K9/2054 , G06K2209/01 , Y10S707/99931 , Y10S707/99933
摘要： A system and method for electronic archival of paper-based technical drawings includes a system having a processor, a form learning unit in signal communication with the processor for learning the form of a model drawing image, a form localization unit in signal communication with the processor for localizing the form of an input drawing image, an optical character recognition unit in signal communication with the processor for optically recognizing identification text of the input drawing image, and a result verification unit in signal communication with the processor for verifying the results of the recognized identification text of the input drawing image; and further includes a method for providing a model drawing image, learning the form of the provided model drawing image, receiving an input drawing image, localizing the form of the input drawing image, optically recognizing identification text of the input drawing image, verifying the results of the recognized identification text of the input drawing image, and storing the input drawing image and the corresponding verified identification text into a drawing database.
摘要翻译：用于纸质技术图纸的电子存档的系统和方法包括具有处理器，与处理器进行信号通信的形式学习单元的系统，用于学习模型绘图图像的形式，与处理器进行信号通信的格式定位单元用于定位输入图像的形式，与处理器进行信号通信的光学字符识别单元，用于光学地识别输入绘图图像的识别文本;以及结果验证单元，与处理器进行信号通信，以验证所识别的结果输入图形图像的识别文本; 并且还包括提供模型绘制图像的方法，学习所提供的模型绘图图像的形式，接收输入绘图图像，定位输入绘图图像的形式，光学地识别输入绘图图像的识别文本，验证结果的输入图形图像的识别识别文本，并将输入绘图图像和相应的经验证的识别文本存储到绘图数据库中。

2. 发明授权

US06980685B2 Model-based localization and measurement of miniature surface mount components 失效
公开(公告)号：US06980685B2
公开(公告)日：2005-12-27
申请号：US10042887
申请日：2002-01-09
申请人： Jenn-Kwei Tyan , Ming Fang
发明人： Jenn-Kwei Tyan , Ming Fang
IPC分类号： G06T5/00 , G06T7/00 , G06K9/00 , G06K9/34
CPC分类号： G06T7/0006 , G06T7/12 , G06T7/194 , G06T2207/30141 , G06T2207/30148
摘要： A system and method for object inspection includes an object modeler; an iterative object segmentor in signal communication with the object modeler for receiving an input image and model parameters and producing a segmented image; a moment transformer in signal communication with the iterative object segmentor for receiving an input image, model parameters and a segmented image and producing estimates of object translation, rotation and scaling; an edge detector and interpolator in signal communication with the moment transformer for receiving an input image, model parameters and estimates and producing a set of line edges; and an iterative optimizer in signal communication with the edge detector and interpolator for receiving an input image, model parameters, estimates and line edges and producing refined estimates of object translation, rotation and scaling.

3. 发明授权

US07526140B2 Model-based localization and measurement of miniature surface mount components 失效
标题翻译：基于模型的定位和微型表面贴装元件的测量
公开(公告)号：US07526140B2
公开(公告)日：2009-04-28
申请号：US11072220
申请日：2005-03-04
申请人： Ming Fang , Jenn-Kwei Tyan
发明人： Ming Fang , Jenn-Kwei Tyan
IPC分类号： G06K9/40 , G06K9/32
CPC分类号： G06T7/0006 , G06T7/12 , G06T7/194 , G06T2207/30141 , G06T2207/30148
摘要： A system and method for object inspection includes an object modeler; an iterative object segmentor in signal communication with the object modeler for receiving an input image and model parameters and producing a segmented image; a moment transformer in signal communication with the iterative object segmentor for receiving an input image, model parameters and a segmented image and producing estimates of object translation, rotation and scaling; an edge detector and interpolator in signal communication with the moment transformer for receiving an input image, model parameters and estimates and producing a set of line edges; and an iterative optimizer in signal communication with the edge detector and interpolator for receiving an input image, model parameters, estimates and line edges and producing refined estimates of object translation, rotation and scaling.
摘要翻译：一种用于对象检查的系统和方法包括：对象建模器; 与对象建模器进行信号通信的用于接收输入图像和模型参数并产生分割图像的迭代对象分割器; 与迭代对象分割器进行信号通信的时刻变换器，用于接收输入图像，模型参数和分割图像，并产生对象平移，旋转和缩放的估计; 与用于接收输入图像的力矩变换器进行信号通信的边缘检测器和内插器，模型参数和估计并产生一组线边缘; 以及与边缘检测器和内插器进行信号通信的迭代优化器，用于接收输入图像，模型参数，估计和线边缘，并产生对象平移，旋转和缩放的精确估计。

4. 发明授权

US07120318B2 Automatic document reading system for technical drawings 有权
公开(公告)号：US07120318B2
公开(公告)日：2006-10-10
申请号：US11111603
申请日：2005-04-21
申请人： Jenn-Kwei Tyan , Ming Fang
发明人： Jenn-Kwei Tyan , Ming Fang
IPC分类号： G06K9/36 , G06F7/00
CPC分类号： G06K9/00476 , G06F17/30253 , G06K9/2054 , G06K2209/01 , Y10S707/99931 , Y10S707/99933
摘要： A system and method for electronic archival of paper-based technical drawings includes a system having a processor, a form learning unit in signal communication with the processor for learning the form of a model drawing image, a form localization unit in signal communication with the processor for localizing the form of an input drawing image, an optical character recognition unit in signal communication with the processor for optically recognizing identification text of the input drawing image, and a result verification unit in signal communication with the processor for verifying the results of the recognized identification text of the input drawing image; and further includes a method for providing a model drawing image, learning the form of the provided model drawing image, receiving an input drawing image, localizing the form of the input drawing image, optically recognizing identification text of the input drawing image, verifying the results of the recognized identification text of the input drawing image, and storing the input drawing image and the corresponding verified identification text into a drawing database.

5. 发明申请

US20050169512A1 Model-based localization and measurement of miniature surface mount components 失效
标题翻译：基于模型的定位和微型表面贴装元件的测量
公开(公告)号：US20050169512A1
公开(公告)日：2005-08-04
申请号：US11072220
申请日：2005-03-04
申请人： Ming Fang , Jenn-Kwei Tyan
发明人： Ming Fang , Jenn-Kwei Tyan
IPC分类号： G06T5/00 , G06T7/00 , G06K9/00
CPC分类号： G06T7/0006 , G06T7/12 , G06T7/194 , G06T2207/30141 , G06T2207/30148
摘要： A system and method for object inspection includes an object modeler; an iterative object segmentor in signal communication with the object modeler for receiving an input image and model parameters and producing a segmented image; a moment transformer in signal communication with the iterative object segmentor for receiving an input image, model parameters and a segmented image and producing estimates of object translation, rotation and scaling; an edge detector and interpolator in signal communication with the moment transformer for receiving an input image, model parameters and estimates and producing a set of line edges; and an iterative optimizer in signal communication with the edge detector and interpolator for receiving an input image, model parameters, estimates and line edges and producing refined estimates of object translation, rotation and scaling.
摘要翻译：一种用于对象检查的系统和方法包括：对象建模器; 与对象建模器进行信号通信的用于接收输入图像和模型参数并产生分割图像的迭代对象分割器; 与迭代对象分割器进行信号通信的时刻变换器，用于接收输入图像，模型参数和分割图像，并产生对象平移，旋转和缩放的估计; 与用于接收输入图像的力矩变换器进行信号通信的边缘检测器和内插器，模型参数和估计并产生一组线边缘; 以及与边缘检测器和内插器进行信号通信的迭代优化器，用于接收输入图像，模型参数，估计和线边缘，并产生对象平移，旋转和缩放的精确估计。

6. 发明授权

US06996295B2 Automatic document reading system for technical drawings 失效
公开(公告)号：US06996295B2
公开(公告)日：2006-02-07
申请号：US10125200
申请日：2002-04-18
申请人： Jenn-Kwei Tyan , Ming Fang
发明人： Jenn-Kwei Tyan , Ming Fang
IPC分类号： G06K9/36 , G06F7/00
CPC分类号： G06K9/00476 , G06F17/30253 , G06K9/2054 , G06K2209/01 , Y10S707/99931 , Y10S707/99933
摘要： A system and method for electronic archival of paper-based technical drawings includes a system having a processor, a form learning unit in signal communication with the processor for learning the form of a model drawing image, a form localization unit in signal communication with the processor for localizing the form of an input drawing image, an optical character recognition unit in signal communication with the processor for optically recognizing identification text of the input drawing image, and a result verification unit in signal communication with the processor for verifying the results of the recognized identification text of the input drawing image; and further includes a method for providing a model drawing image, learning the form of the provided model drawing image, receiving an input drawing image, localizing the form of the input drawing image, optically recognizing identification text of the input drawing image, verifying the results of the recognized identification text of the input drawing image, and storing the input drawing image and the corresponding verified identification text into a drawing database.

7. 发明授权

US06473517B1 Character segmentation method for vehicle license plate recognition 失效
标题翻译：车牌识别的字符分割方法
公开(公告)号：US06473517B1
公开(公告)日：2002-10-29
申请号：US09396952
申请日：1999-09-15
申请人： Jenn-Kwei Tyan , Claus Neubauer
发明人： Jenn-Kwei Tyan , Claus Neubauer
IPC分类号： G06K900
CPC分类号： G06K9/344 , G06K2209/01 , G06K2209/15
摘要： A method for segmenting and recognizing license plates, in accordance with the present invention includes capturing an image of a license plate and preprocessing the image to prepare the image for segmentation and recognition. Forward splitting regions of the license plate image into suspected characters regions, the suspected character regions are recognized in the license plate image and a confidence score is provided based on a probability of a correct match. If the suspected characters have a confidence score below a threshold value, backward merging is employed which merges adjacent suspected character regions. The backward merged suspected character regions in the license plate are recognized. If the backward merged suspected character regions have a confidence score below the threshold value, the backward merging and recognizing steps are repeated to improve the confidence score.
摘要翻译：根据本发明的用于分割和识别车牌的方法包括拍摄车牌的图像并预处理图像以准备用于分割和识别的图像。车牌图像向前分割区域为疑似人物区域，在车牌图像中识别可疑角色区域，并根据正确匹配的概率提供置信区间。如果怀疑角色的置信度得分低于阈值，则采用向后合并方式，合并相邻的可疑角色区域。识别车牌中落后合并的疑似角色区域。如果向后合并的可疑字符区域具有低于阈值的置信度分数，则重复反向合并和识别步骤以提高置信度得分。

8. 发明授权

US06553131B1 License plate recognition with an intelligent camera 失效
标题翻译：车牌识别用智能相机
公开(公告)号：US06553131B1
公开(公告)日：2003-04-22
申请号：US09396950
申请日：1999-09-15
申请人： Claus Neubauer , Jenn-Kwei Tyan
发明人： Claus Neubauer , Jenn-Kwei Tyan
IPC分类号： G06K900
CPC分类号： G06K9/78 , G06K9/32 , G06K2209/15
摘要： An intelligent camera system and method for recognizing license plates, in accordance with the invention, includes a camera adapted to independently capture a license plate image and recognize the license plate image. The camera includes a processor for managing image data and executing a license plate recognition program device. The license plate recognition program device includes a program for detecting orientation, position, illumination conditions and blurring of the image and accounting for the orientations, position, illumination conditions and blurring of the image to obtain a baseline image of the license plate. A segmenting program for segmenting characters depicted in the baseline image by employing a projection along a horizontal axis of the baseline image to identify positions of the characters. A statistical classifier is adapted for classifying the characters. The classifier recognizes the characters and returns a confidence score based on the probability of properly identifying each character. A memory is included for storing the license plate recognition program and the license plate images taken by an image capture device of the camera.
摘要翻译：根据本发明的用于识别车牌的智能相机系统和方法包括适于独立地捕获车牌图像并识别车牌图像的照相机。相机包括用于管理图像数据和执行牌照识别程序设备的处理器。车牌识别程序装置包括用于检测图像的取向，位置，照明条件和模糊的程序，并且考虑图像的取向，位置，照明条件和模糊以获得车牌的基线图像。分割程序，用于通过使用沿着基线图像的水平轴的投影来分割基线图像中描绘的字符，以识别字符的位置。统计分类器适用于对字符进行分类。分类器识别角色，并基于正确识别每个角色的概率返回置信度分数。包括用于存储车牌识别程序和由照相机的图像捕获装置拍摄的车牌图像的存储器。

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