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公开(公告)号:US08379208B1
公开(公告)日:2013-02-19
申请号:US12796853
申请日:2010-06-09
IPC分类号: G01N21/35
CPC分类号: G01N21/3518 , G01J3/42 , G01J3/457 , G01J2003/1213 , G01N2021/1793 , G01N2021/3174 , G01N2021/3531
摘要: The present invention includes systems and methods for quantitative and qualitative imaging of gases, vapors, fumes, and the like. In one embodiment, the system uses a moving, or a rotating filter for alternately capturing on-line and off-line images of a scene that potentially includes the target gas of interest. The moving, or rotating filter includes at least two filter segments for transmitting (a) wavelengths corresponding to a spectroscopic absorption feature for on-line elements of the target gas, and (b) nearby wavelengths not corresponding to a spectroscopic absorption feature for off-line elements of the target gas. An image processor executes an algorithm for transforming the collected on-line and off-line data, corresponding to different pixels in the imaging array, into an image map of path-integrated concentration, or concentration path lengths (CPLs). The systems and methods of the invention do not use active light sources to illuminate the target gas. Instead, imaging and processing is done entirely using passive received energy from the target gas.
摘要翻译: 本发明包括用于气体,蒸汽,烟雾等的定量和定性成像的系统和方法。 在一个实施例中,系统使用移动或旋转滤波器来交替地捕获可能包括感兴趣的目标气体的场景的在线和离线图像。 移动或旋转滤波器包括至少两个滤波器段,用于传输(a)对应于目标气体的在线元件的分光吸收特征的波长,和(b)不对应于分光吸收特征的附近波长, 目标气体的线路元素。 图像处理器执行用于将对应于成像阵列中的不同像素的所收集的在线和离线数据变换为路径集成浓度或浓度路径长度(CPL)的图像映射的算法。 本发明的系统和方法不使用主动光源照射目标气体。 相反,成像和处理完全使用来自目标气体的被动接收能量。
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公开(公告)号:US07620203B1
公开(公告)日:2009-11-17
申请号:US11089114
申请日:2005-03-24
申请人: Rulon Eugene Simmons , Timothy DeWald Elder , David Jonathan Stewart , Eric John Cincotta , Carolyn A. Kenndey , Richard Craig Van Nostrand
发明人: Rulon Eugene Simmons , Timothy DeWald Elder , David Jonathan Stewart , Eric John Cincotta , Carolyn A. Kenndey , Richard Craig Van Nostrand
IPC分类号: G06K9/00
CPC分类号: G06K9/0063
摘要: Methods, systems, and computer program products for analyzing an imaging system or an image produced by the imaging system are disclosed. The imaging system is configured to sense a target on a background and the target, background, and imaging system are associated with spatial information and spectral information. The imaging system or image is analyzed by, first, determining two of a spatial confidence level associated with the spatial information, a spectral confidence level associated with the spectral information, and a total confidence level associated with sensing the target on the background. A non-determined one of the spatial confidence level, the spectral confidence level, and the total confidence level is then calculated responsive to the determined confidence levels for use in analyzing the imaging system or image.
摘要翻译: 公开了用于分析成像系统或由成像系统产生的图像的方法,系统和计算机程序产品。 成像系统被配置为感测背景上的目标,并且目标,背景和成像系统与空间信息和光谱信息相关联。 分析成像系统或图像,首先,确定与空间信息相关联的空间置信水平中的两个,与频谱信息相关联的频谱置信度,以及与感测目标在背景上相关联的总置信度水平。 然后响应于用于分析成像系统或图像的确定的置信水平来计算空间置信水平,频谱置信度水平和总置信水平中的未确定的一个。
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