光学干涉计量中的蒙特卡罗成像
Monte-Carlo Imaging for Optical Interferometry
摘要:
我们提出了一个灵活的代码创建的成像从双谱和可扩展性平方。通过使用模拟退火方法,我们限制了收敛到局部卡方最小值的概率,因为当传统的成像方法用于相位信息有限的数据集时,可能会出现这种情况。我们提出的结果,我们的代码上使用的模拟数据集,利用一些正则化方案,包括最大熵。使用的统计特性,从蒙特卡洛马尔可夫链的图像,我们展示了这个代码可以把统计限制图像特征,如看不见的二进制同伴。
英文摘要:
We present a flexible code created for imaging from the bispectrum and visibility-squared. By using a simulated annealing method, we limit the probability of converging to local chi-squared minima as can occur when traditional imaging methods are used on data sets with limited phase information. We present the results of our code used on a simulated data set utilizing a number of regularization schemes including maximum entropy. Using the statistical properties from Monte-Carlo Markov chains of images, we show how this code can place statistical limits on image features such as unseen binary companions.
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