CAJ | 학술논문

编码孔径光谱成像仪根据压缩传感理论，对物体进行光谱成像。编码孔径光谱数据复原的特点在于能将探测器上所得到的二维编码像复原成三维的数据立方体。两步迭代收缩阈值算法是在迭代收缩阈值算法和迭代加权收缩算法基础上加以改进而得出的，采用两步迭代收缩阈值算法对编码孔径光谱数据进行复原，成功地由二维编码像复原出了三维数据立方体，具有迭代步数少，收敛速度快的特点。
편마공경광보성상의근거압축전감이론，대물체진행광보성상。편마공경광보수거복원적특점재우능장탐측기상소득도적이유편마상복원성삼유적수거립방체。량보질대수축역치산법시재질대수축역치산법화질대가권수축산법기출상가이개진이득출적，채용량보질대수축역치산법대편마공경광보수거진행복원，성공지유이유편마상복원출료삼유수거립방체，구유질대보수소，수렴속도쾌적특점。
Coded aperture imaging spectrometer based on the concept of compressed sensing can acquire the spectral diagram of object .Coded aperture spectral data restoration reconstructs three-dimensional data cube from two-dimensional coded image . The two-step iterative shrinkage/thresholding algorithms were derived from the iterative shrinkage threshold algorithm and weighted iterative shrinkage algorithm .Recovering coded aperture spectral data using the two-step iterative shrinkage/threshol-ding algorithms obtained the three-dimensional spectral data cube successfully .