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公开(公告)号:US20120075513A1
公开(公告)日:2012-03-29
申请号:US13377518
申请日:2010-06-11
IPC分类号: H04N5/335
CPC分类号: G01J4/04
摘要: A polarization camera includes a microlement polarizer that is situated in proximity to a focal plane array. The microlement polarizer is selectively scanned with respect to an optical image direct to the focal plane array, and an image processor stores a set of images associated with the scanning. Based on the stored images, a polarization image can be produced and displayed. A periodic microelement polarizer modulates the individual images of the set, and these images can be processed by filtering in the spatial frequency domain to isolate contributions associated with one or a combination of Stokes parameters. After filtering, Stokes parameter based images can be obtained by demodulating and inverse Fourier transforming the filtered frequency domain data.
摘要翻译: 偏振照相机包括微焦点偏振器,其位于焦平面阵列附近。 相对于直接到焦平面阵列的光学图像选择性地扫描微孔偏振器,并且图像处理器存储与扫描相关联的一组图像。 基于所存储的图像,可以产生和显示偏振图像。 周期性微元件偏振器调制该组的各个图像,并且这些图像可以通过在空间频域中进行滤波来处理,以分离与斯托克斯参数中的一个或组合相关联的贡献。 滤波后,可以通过对滤波后的频域数据进行解调和逆傅立叶变换来获得基于Stokes参数的图像。
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2.
公开(公告)号:US08823848B2
公开(公告)日:2014-09-02
申请号:US13377518
申请日:2010-06-11
CPC分类号: G01J4/04
摘要: A polarization camera includes a microlement polarizer that is situated in proximity to a focal plane array. The microlement polarizer is selectively scanned with respect to an optical image direct to the focal plane array, and an image processor stores a set of images associated with the scanning. Based on the stored images, a polarization image can be produced and displayed. A periodic microelement polarizer modulates the individual images of the set, and these images can be processed by filtering in the spatial frequency domain to isolate contributions associated with one or a combination of Stokes parameters. After filtering, Stokes parameter based images can be obtained by demodulating and inverse Fourier transforming the filtered frequency domain data.
摘要翻译: 偏振照相机包括微焦点偏振器,其位于焦平面阵列附近。 相对于直接到焦平面阵列的光学图像选择性地扫描微孔偏振器,并且图像处理器存储与扫描相关联的一组图像。 基于所存储的图像,可以产生和显示偏振图像。 周期性微元件偏振器调制该组的各个图像,并且这些图像可以通过在空间频域中进行滤波来处理,以分离与斯托克斯参数中的一个或组合相关联的贡献。 滤波后,可以通过对滤波后的频域数据进行解调和逆傅立叶变换来获得基于Stokes参数的图像。
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