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1. 发明授权

US5347474A Self-calibration of an NDIR gas sensor 失效
标题翻译： NDIR气体传感器的自校准
公开(公告)号：US5347474A
公开(公告)日：1994-09-13
申请号：US762396
申请日：1991-09-19
申请人： Jacob Y. Wong
发明人： Jacob Y. Wong
IPC分类号： G01N21/27 , G01N21/35 , G06F15/20
CPC分类号： G01N21/274 , G01N21/3504 , G01N2201/12753 , G01N2201/12784
摘要： Some cyclic variables include within each cycle a value that can be determined extrinsically. In such case, the sensed value may differ from the known value by an amount that is a combination of long-term drift of the sensor and random measuring error. The drift component can be evaluated and eliminated by the following method. Once each cycle, for a number of cycles, the sensor measures the variable at a time when its value should equal the extrinsically-known value. The differences are plotted versus time, and a best-fitting straight line is determined, which indicates the drift. Throughout the next cycle as the variable is continuously sensed, the drift determined from the best-fitting straight line is continuously applied to correct the sensed value.
摘要翻译：一些循环变量包括在每个周期内可以通过外部确定的值。在这种情况下，感测值可以与已知值不同，该量是传感器的长期漂移与随机测量误差的组合。可以通过以下方法评估和消除漂移部件。每个循环一次，在多个循环中，传感器在其值应等于外部已知值的时候测量变量。差异相对于时间作图，并且确定最佳拟合直线，其指示漂移。在连续感测变量的整个下一个循环中，连续施加从最佳拟合直线确定的漂移以校正感测值。

2. 发明授权

US07329852B2 Automatic background removal for input data having consecutive input points identification 失效
标题翻译：具有连续输入点识别的输入数据的自动背景去除
公开(公告)号：US07329852B2
公开(公告)日：2008-02-12
申请号：US11487777
申请日：2006-07-17
申请人： Canwen Liu
发明人： Canwen Liu
IPC分类号： H01L31/00
CPC分类号： G01N30/8641 , G01N21/274 , G01N2201/12784 , G06T5/002
摘要： Automatic background signal removal for input data, such as for spectrometry data, is provided. Input data includes input pixel points, such as those read by a CCD spectrometer or chromatography device, and intensity values corresponding to the data points. A distribution of changes in the intensity values between the data points is determined, and a noise level is judged by setting a threshold for the distribution. A noise region is identified as a predetermined number of consecutive input points for which the changes in the intensity values are within the noise level. Adjacent noise regions may be connected and the background signal is thus determined and subtracted. A spike noise region may also be identified and filtered, such that a peak obtained from fewer than a second predetermined number of the pixel points is determined as a spike, not a true peak. Non-spike large amplitude noises are optionally filtered.
摘要翻译：提供输入数据的自动背景信号去除，如光谱数据。输入数据包括诸如由CCD光谱仪或色谱装置读取的像素点和对应于数据点的强度值的输入像素点。确定数据点之间强度值变化的分布，并通过设定分配阈值来判断噪声水平。噪声区域被识别为强度值的变化在噪声水平内的预定数量的连续输入点。可以连接相邻的噪声区域，从而确定并减去背景信号。也可以识别和滤波尖峰噪声区域，使得从少于第二预定数量的像素点获得的峰值被确定为尖峰，而不是真峰值。可选地过滤非尖峰大振幅噪声。

3. 发明授权

US10018561B2 Diamond ATR artefact correction 有权
公开(公告)号：US10018561B2
公开(公告)日：2018-07-10
申请号：US14420101
申请日：2013-07-23
申请人： PerkinElmer Singapore PTE Ltd
发明人： Robert Alan Hoult
IPC分类号： G01N21/62 , G01J3/28 , G01N21/27 , G01N21/552
CPC分类号： G01N21/62 , G01J3/28 , G01N21/274 , G01N21/552 , G01N2201/1218 , G01N2201/12784
摘要： A method of using a spectrometer to produce corrected diamond Attenuated Total Reflectance (ATR) spectral data includes acquiring, using the spectrometer, an initial set of ATR spectral data for a sample pressed into contact with a diamond ATR crystals; numerically matching, using the spectrometer, a pressure dependent diamond artifact reference spectrum to a corresponding pressure dependent diamond artifact in the initial set of ATR spectral data; and numerically subtracting out the numerically matched pressure dependent diamond artifact reference spectrum from the initial set of ATR spectral data to yield a corrected set of ATR spectral data for the sample for output by the spectrometer.

4. 发明申请

US20060255249A1 Automatic background removal for input data 失效
标题翻译：自动背景去除输入数据
公开(公告)号：US20060255249A1
公开(公告)日：2006-11-16
申请号：US11487777
申请日：2006-07-17
申请人： Canwen Liu
发明人： Canwen Liu
IPC分类号： G06M7/00
CPC分类号： G01N30/8641 , G01N21/274 , G01N2201/12784 , G06T5/002
摘要： Automatic background signal removal for input data, such as for spectrometry data, is provided. Input data includes input pixel points, such as those read by a CCD spectrometer or chromatography device, and intensity values corresponding to the data points. A distribution of changes in the intensity values between the data points is determined, and a noise level is judged by setting a threshold for the distribution. A noise region is identified as a predetermined number of consecutive input points for which the changes in the intensity values are within the noise level. Adjacent noise regions may be connected and the background signal is thus determined and subtracted. A spike noise region may also be identified and filtered, such that a peak obtained from fewer than a second predetermined number of the pixel points is determined as a spike, not a true peak. Non-spike large amplitude noises are optionally filtered.
摘要翻译：提供输入数据的自动背景信号去除，如光谱数据。输入数据包括诸如由CCD光谱仪或色谱装置读取的像素点和对应于数据点的强度值的输入像素点。确定数据点之间强度值变化的分布，并通过设定分配阈值来判断噪声水平。噪声区域被识别为强度值的变化在噪声水平内的预定数量的连续输入点。可以连接相邻的噪声区域，从而确定并减去背景信号。也可以识别和滤波尖峰噪声区域，使得从少于第二预定数量的像素点获得的峰值被确定为尖峰，而不是真峰值。可选地过滤非尖峰大振幅噪声。

5. 发明申请

US20050285023A1 Automatic background removal for input data 审中-公开
标题翻译：自动背景去除输入数据
公开(公告)号：US20050285023A1
公开(公告)日：2005-12-29
申请号：US10874420
申请日：2004-06-23
申请人： Canwen Liu
发明人： Canwen Liu
IPC分类号： G01N21/27 , G01N30/86 , G06M7/00 , G06T5/00
CPC分类号： G01N30/8641 , G01N21/274 , G01N2201/12784 , G06T5/002
摘要： Automatic background signal removal for input data, such as for spectrometry data, is provided. Input data includes input pixel points, such as those read by a CCD spectrometer of chromatography device, and intensity values corresponding to the data points. A distribution of changes in the intensity values between the data points is determined, and a noise level is judged by setting a threshold for the distribution. A noise region is identified as a predetermined number of consecutive input points for which the changes in the intensity values are within the noise level. Adjacent noise regions may be connected and the background signal is thus determined and subtracted. A spike noise region may also be identified and filtered, such that a peak obtained from fewer than a second predetermined number of the pixel points is determined as a spike, not a true peak. Non-spike large amplitude noises are optionally filtered.
摘要翻译：提供输入数据的自动背景信号去除，如光谱数据。输入数据包括诸如由色谱装置的CCD光谱仪读取的输入像素点和对应于数据点的强度值。确定数据点之间强度值变化的分布，并通过设定分配阈值来判断噪声水平。噪声区域被识别为强度值的变化在噪声水平内的预定数量的连续输入点。可以连接相邻的噪声区域，从而确定并减去背景信号。也可以识别和滤波尖峰噪声区域，使得从少于第二预定数量的像素点获得的峰值被确定为尖峰，而不是真峰值。可选地过滤非尖峰大振幅噪声。

6. 发明申请

US20150177142A1 DIAMOND ATR ARTEFACT CORRECTION 有权
标题翻译：钻石ATR ARTEFACT校正
公开(公告)号：US20150177142A1
公开(公告)日：2015-06-25
申请号：US14420101
申请日：2013-07-23
申请人： PerkinElmer Singapore PTE Ltd
发明人： Robert Alan Hoult
IPC分类号： G01N21/62 , G01J3/28
CPC分类号： G01N21/62 , G01J3/28 , G01N21/274 , G01N21/552 , G01N2201/1218 , G01N2201/12784
摘要： A method of using a spectrometer to produce corrected diamond Attenuated Total Reflectance (ATR) spectral data includes acquiring, using the spectrometer, an initial set of ATR spectral data for a sample pressed into contact with a diamond ATR crystals; numerically matching, using the spectrometer, a pressure dependent diamond artefact reference spectrum to a corresponding pressure dependent diamond artefact in the initial set of ATR spectral data; and numerically subtracting out the numerically matched pressure dependent diamond artefact reference spectrum from the initial set of ATR spectral data to yield a corrected set of ATR spectral data for the sample for output by the spectrometer.
摘要翻译：使用光谱仪产生校正的菱形衰减全反射（ATR）光谱数据的方法包括采用光谱仪获取与菱形ATR晶体接触的样品的初始ATR光谱数据集; 使用光谱仪将压力依赖金刚石假象参考光谱数值匹配到初始ATR光谱数据集中相应的压力依赖金刚石伪影; 并从初始的ATR光谱数据集中数字地减去与数字匹配的压力相关金刚石伪像参考光谱，以产生用于由光谱仪输出的样品的校正的ATR光谱数据集。

7. 发明授权

US4837450A Apparatus for reading a film image with controllable illumination and threshold value 失效
标题翻译：用于读取具有可控照明和阈值的胶片图像的装置
公开(公告)号：US4837450A
公开(公告)日：1989-06-06
申请号：US259414
申请日：1988-10-18
申请人： Seiichiro Satomura , Masahide Kotera
发明人： Seiichiro Satomura , Masahide Kotera
IPC分类号： G01N21/59 , H04N1/403
CPC分类号： H04N1/403 , G01N21/5911 , G01N2021/5946 , G01N2201/12784
摘要： An apparatus for reading a microfilmed image to obtain digital image signal, in which the level of quantizing is determined by measuring the density of image and of background.
摘要翻译：一种用于读取缩微胶卷图像以获得数字图像信号的装置，其中通过测量图像和背景的密度来确定量化水平。

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