svt is algorithm that calculate a matirx from the part of it s elemets . it is can be applied to image processing when part image was lost.是一个算法，知道部分矩阵元素，计算整个矩阵的方法。该方法主用是借助奇异值分解和Bregman算法，可很快完成计算。可以用于图像数据缺损的情况。-svt is algorithm that calculate a mati