Chinese Optics, Volume. 15, Issue 5, 929(2022)
Review of physical implementation architecture in compressive spectral imaging system
Fig. 2. Single pixel spectral imaging system architecture and its corresponding spatial-spectral data cube modulation diagram. (a) Spectrometer-based single pixel spectral imager; (b) spatial-spectral modulation single-pixel spectral imager; (c) spectral unmixing single pixel spectral imager; (d) spatial-spectral modulation spectral imager
Fig. 4. Colored coded aperture types of CASSI system. (a) C-CASSI; (b) CSPSI; (c) DM-based CSPSI
Fig. 7. Multi-frame complementary acquisition type of CASSI system. (a) Dual-camera CASSI; (b) 0th and 1st order diffraction CASSI
Fig. 8. Multi-frame array acquisition type of CASSI system. (a) Image multiplier CASSI; (b) lenslet array CASSI
Fig. 10. Architecture of microarray spectral imaging. (a) Top left is the MUSI，middle left is the notch filter array spectral imager， bottom left is FPRA-based spectral imager；(b) pixel-level FPRA-based spectral imager
Fig. 11. Architecture of spectral imaging through scattering media
Table 1. Summary of the characteristics of each system type
View tableView in ArticleTable 1. Summary of the characteristics of each system type
系统型式类别 系统名称 调制方式 物理器件 对应图表 单像素光谱成像 基于光谱仪的单像素光谱成像仪[ 6 -11 ]空间调制，光谱分离 DMD，色散元件 图2 (a)空间-光谱调制单像素光谱成像仪[ 12 ]空间调制，光谱调制 DMD，衍射光栅，正弦调制转轮 图2 (b)光谱分离单像素光谱成像仪[ 13 -14 ]光谱分离，空间调制 光谱分离器，SLM 图2 (c)空间-光谱调制光谱成像仪[ 15 ]空间调制，光谱调制 SLM+色散棱镜+DMD+柱状透镜 图2 (d)编码孔径光谱成像(基本型式) SD-CASSI [ 16 -18 ]空间调制，光谱剪切 光刻掩模板+色散棱镜 图3 (a)DD-CASSI[ 19 ]光谱剪切，空间调制，光谱逆剪切 色散棱镜+光刻掩模板+色散棱镜 图3 (b)编码孔径光谱成像(CCA型式) C-CASSI [ 23 -30 ]空间-光谱调制，光谱剪切 光谱滤波阵列+色散棱镜 图4 (a)CSPSI [ 31 -34 ]光谱剪切，空间-光谱调制 色散棱镜+光谱滤波阵列 图4 (b)DM-based CSPSI [ 36 ]空间复用，空间-光谱调制 DM+光谱滤波阵列 图4 (c)编码孔径光谱成像(光谱分割型式) LCTF光谱分割型[ 37 -38 ]光谱分离，空间调制 LCTF+DMD 图5 左上LeSTI [ 39 ]LED+DMD 图5 左下编码孔径光谱成像(编码可调整型式) CAASI [ 40 -44 ]空间调制(时变)，光谱剪切 DMD(时变)/压电陶瓷，色散棱镜 / CSPSI [ 45 ]光谱剪切(时变)，空间-光谱调制 色散棱镜(旋转)，光谱滤波阵列 图6 编码孔径光谱成像(多帧互补采集型式) Dual-camera CASSI [ 46 ,47 ]通道1：空间调制，光谱剪切 通道2：空间-光谱调制(彩色相机) 分束镜，光刻掩膜板，色散棱镜 图7 (a)0th and 1st order diffraction CASSI[ 48 -50 ]通道1(1st衍射光)：空间调制，光谱剪切； 通道2 (0th 衍射光)：无调制 (全色相机) DMD，衍射光栅 图7 (b)编码孔径光谱成像(多帧阵列采集型式) 图像倍增CASSI [ 52 ]空间复制，空间调制，光谱剪切 图像倍增器，光刻掩模板， 色散棱镜 图8 (a)透镜阵列CASSI [ 53 ]空间复制，光谱剪切，空间调制， 光谱逆剪切 透镜阵列，色散棱镜，光刻掩模板，色散棱镜 图8 (b)空间-光谱双重编码光谱成像 DCSI [ 55 -57 ]空间调制+光谱调制 DMD+衍射光栅+LCoS 图9 (a)SSCSI [ 58 -61 ]空间光谱混合调制 衍射光栅+光刻掩模板 图9 (b)微阵列型光谱成像 MUSI[ 62 -64 ]光谱调制(时间延展) LCC 图10 (a)左上陷波滤波器阵列光谱成像仪[ 65 ]空间复制，光谱调制 陷波滤波器阵列，透镜阵列 图10 (a)左中FPRA阵列光谱成像仪[ 66 ]空间复制，光谱调制 FPRA，透镜阵列 图10 (a)左下像素级FPRA阵列光谱成像仪[ 66 ]空间-光谱调制(像素级) FPRA 图10 (b)散射介质光谱成像 散射介质光谱成像仪[ 67 -72 ]空间-光谱复用调制 散射介质/DFA 图11
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Yun-hui LI. Review of physical implementation architecture in compressive spectral imaging system[J]. Chinese Optics, 2022, 15(5): 929
Category: Review
Received: May. 26, 2022
Accepted: --
Published Online: Sep. 29, 2022
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