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图像检索CNN特征提取

http://www.liuxiao.org/2019/02/%E8%AE%BA%E6%96%87%E7%AC%94%E8%AE%B0%EF%BC%9Anetvlad-cnn-architecture-for-weakly-supervised-place-recognition/   NetVLAD: CNN architecture for weakly supervised place recognition 论文笔记:NetVLAD: CNN architecture for weakly sup

VLAD算法浅析, BOF、FV比较

划重点 ================================================= BOF、FV、VLAD等算法都是基于特征描述算子的特征编码算法,关于特征描述算子是以SIFT为基础的一类算法,该类算法能得到图片的一系列局部特征,该类特征对旋转、缩放、亮度变化保持不变性,对视角变化、仿射变换、噪声也保持一定

A.Circle Metro

链接:https://codeforces.com/contest/1169/problem/A 题意: The circle line of the Roflanpolis subway has nn stations. There are two parallel routes in the subway. The first one visits stations in order 1→2→…→n→1→2→…1→2→…→n→1→2→… (so the next st