关于准地转纬向对称流的非线性稳定性判据可以由一个最优的庞加莱不等式改进。在这篇文章中,通过傅里叶级数的思想,我们直接从阿尔......

On the basis of scale invariant feature transform(SIFT) descriptors,a novel kind of local invariants based on SIFT seque......