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1. 发明授权

US5117101A Tristimulus color recognition system with means for compensating for variations in light source color 失效
标题翻译：三刺激色彩识别系统，具有用于补偿光源颜色变化的装置
公开(公告)号：US5117101A
公开(公告)日：1992-05-26
申请号：US567015
申请日：1990-08-13
申请人： Richard D. Moore , Richard K. Peters , Donald V. Elmerick
发明人： Richard D. Moore , Richard K. Peters , Donald V. Elmerick
IPC分类号： G01J3/51
CPC分类号： G01J3/02 , G01J3/0218 , G01J3/0291 , G01J3/51 , G01J3/513 , G01J3/524
摘要： A color recognition system which illuminates a test surface through the use of a source light and fiber optic cables. The light transmitted to the test surface is reflected into a light pipe and then transmitted through fiber optic cables to a first plurality of color filtered photo detectors. The photo detectors produce quantitative color component values for the tested surface. Light is also transmitted directly from the source light through fiber optic cables to a second plurality of color filtered photo detectors. The second plurality of photo detectors produce quantitative color component values for the light source. The values produced from the first plurality of photo detectors are then adjusted with respect to the values produced from the second plurality of photo detectors.
摘要翻译：一种通过使用源光和光纤电缆照亮测试表面的颜色识别系统。透射到测试表面的光被反射到光管中，然后通过光纤电缆传输到第一多个滤色片检测器。光电检测器为测试的表面产生定量的颜色分量值。光也从源光通过光纤电缆直接传输到第二多个滤色片检测器。第二组多个光电检测器产生用于光源的定量颜色分量值。然后从第一组多个光电检测器产生的值相对于从第二组多个光电检测器产生的值进行调整。

2. 发明授权

US5077806A Machine vision analysis apparatus 失效
标题翻译：机器视觉分析仪器
公开(公告)号：US5077806A
公开(公告)日：1991-12-31
申请号：US360221
申请日：1989-06-01
申请人： Richard K. Peters , Donald V. Elmerick , James L. Spayer , Gerald E. Walter
发明人： Richard K. Peters , Donald V. Elmerick , James L. Spayer , Gerald E. Walter
IPC分类号： B07C5/342 , G01N15/14 , G06T7/00
CPC分类号： B07C5/3422 , G01N15/1475 , G06T7/0012 , G06T2207/30024
摘要： A machine vision analysis apparatus and method for automatically checking objects for specified characteristics. A video camera is provided for producing an analog video input signal corresponding to an area having an object therein being observed by the video camera. A video timer and synchronizer is used for coordinating synchronous operation of the machine vision apparatus. A digital-to-analog converter is also provided for converting a digital threshold gray level into an analog threshold level corresponding to said digital threshold level, wherein an upper and a lower threshold level are produced. A comparator is used for digitizing the analog video input signal into a digitized video signal based on the analog threshold gray levels, wherein the video input gray level must fall between the lower threshold gray level and the upper threshold gray level for a pixel to be digitized into an ON state. A pixel counter is used for summing the number of ON pixels in the digitized video signal within a predetermined portion of said video signal and produces a binary digital count output corresponding to the number of ON pixels. A microprocessor based digital control is used for analyzing and comparing said digital count output with expected and desired count results, and a program is provided for controlling operation of the microprocessor.
摘要翻译：一种用于自动检查特定特征的物体的机器视觉分析装置和方法。提供摄像机，用于产生对应于由摄像机观察到的具有物体的区域的模拟视频输入信号。视频定时器和同步器用于协调机器视觉设备的同步操作。还提供了数模转换器，用于将数字阈值灰度级转换为与所述数字阈值电平对应的模拟阈值电平，其中产生上阈值和下阈值电平。比较器用于将模拟视频输入信号数字化为基于模拟阈值灰度级的数字化视频信号，其中视频输入灰度等级必须落在要被数字化的像素的较低阈值灰度级和高阈值灰度级之间进入ON状态。像素计数器用于对所述视频信号的预定部分内的数字化视频信号中的ON像素的数量求和，并产生与ON像素数相对应的二进制数字计数输出。基于微处理器的数字控制用于分析和比较所述数字计数输出与预期和期望的计数结果，并且提供用于控制微处理器的操作的程序。

3. 发明授权

US5073857A Method and apparatus for cell analysis 失效
标题翻译：细胞分析方法和装置
公开(公告)号：US5073857A
公开(公告)日：1991-12-17
申请号：US399824
申请日：1989-08-28
申请人： Richard K. Peters , Donald V. Elmerick , James L. Spayer , Gerald E. Walter
发明人： Richard K. Peters , Donald V. Elmerick , James L. Spayer , Gerald E. Walter
IPC分类号： B07C5/342 , G01N15/14 , G06T7/00
CPC分类号： G06T7/0012 , B07C5/3422 , G01N15/1475 , G06K9/0014 , G06T2207/30024
摘要： A pap smear inspection apparatus and method for automated screening of cytological smears for dense, possibly malignant cells includes a specimen slide for receiving a cytological smear and a microscope for enlarging the image of the smear. The microscope is outfitted to receive a video camera for creating an analog video signal corresponding to an area enlarged by the microscope and being observed by the video camea. A video timer synchronizes operation of the smear analysis apparatus. An image window generator focuses the analysis of the apparatus on a sub-area of the entire video image. A converter is provided for converting a digital threshold level into a corresponding analog threshold level. A comparator is used for transforming the analog video input signal into a binary video signal according to the analog threshold levels. A pixel counter sums the number of ON pixels both in the transformed video signal, and within the designated window sub-area of said video signal. A microprocessor compares the digital count output with a user-defined limit on the number of ON pixels allowed to occur within each sub-area under study, and if the limit it exceeded, the current area has failed the test for acceptability.
摘要翻译：用于自动筛选致密的，可能是恶性细胞的细胞学涂片的pap涂片检查装置和方法包括用于接收细胞学涂片的标本载玻片和用于扩大涂片图像的显微镜。显微镜配备接收摄像机，用于创建与由显微镜放大的区域相对应的模拟视频信号，并由视频图像观察。视频定时器同步涂片分析装置的操作。图像窗口生成器将该装置的分析集中在整个视频图像的子区域上。提供A转换器，用于将数字阈值电平转换成相应的模拟阈值电平。比较器用于根据模拟阈值电平将模拟视频输入信号转换为二进制视频信号。像素计数器在经变换的视频信号中和在所述视频信号的指定的窗口子区域内对ON像素的数量进行加和。微处理器将数字计数输出与允许在研究的每个子区域内发生的ON像素数量的用户定义限制进行比较，如果超出限制，则当前区域的测试失败。

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