摘要：在计算机视觉应用中，经常碰见矩阵自由度的说法，矩阵自由度同矩阵本身的性质，以及相关线性方程组的解，有着千丝万缕的联系，这里就集中解释下DOF（degree of freedom）的具体含义。 1.矩阵的自由度的定义 There are several different ways to think 阅读全文

摘要：One of the questions an instrutor dreads most from a mathematically unsophisticated audience is, "What exactly is degrees of freedom?" It's not that there's no answer. The mathematical answer is a single phrase, "The rank of a quadratic form." The problem is translating t 阅读全文