--- title: 'EE4-68 Pattern Recognition (2018-2019) CW2' author: - name: Vasil Zlatanov (01120518), Nunzio Pucci (01113180) location: vz215@ic.ac.uk, np1915@ic.ac.uk numbersections: yes lang: en babel-lang: english abstract: | This report analyses distance metrics learning techniques with regards to identification accuracy for the dataset CUHK03. The baseline method used for identification is Eucdidian based Nearest Neighbors based on Euclidean distance. The improved approach we propose utilises Jaccardian metrics to rearrange the NN ranklist based on reciprocal neighbours. While this approach is more complex and introduced new hyperparameter, significant accuracy improvements are observed - approximately 10% increased Top-1 identifications, and good improvements for Top-$N$ accuracy with low $N$. ...