Image Retrieval Operations & Notes (IRON)

This is Python codes and some learning notes about image retrieval, such as VLAD (Vector of Locally Aggregated Descriptors) and Fisher Vecter.

Basic Knowledage

• Multivariate normal distribution (多元正态分布)：https://en.wikipedia.org/wiki/Multivariate_normal_distribution
• Covariance matrix (协方差矩阵)：https://en.wikipedia.org/wiki/Covariance_matrix
• Covariance vs. SVD in PCA solution：https://www.zhihu.com/question/39234760