cart_ktFOCUSS理论应用在磁共振成像上，本算法将FOCUSS应用到CS理论上并做了改进，有较好的重建效果-cart_ktFOCUSS theory applied to magnetic resonance imaging, and the algorithm will FOCUSS applied to the CS theory and made improvements, better reconstruction results

这是压缩感知的追踪算法的全部代码，比较简单，大家看看吧。-This is a compression algorithm to track the perception of all the code, is relatively simple, we look at it.