Search Results for author: Elyor Kodirov

Found 13 papers, 8 papers with code

ProSelfLC: Progressive Self Label Correction for Training Robust Deep Neural Networks

5 code implementations CVPR 2021 Xinshao Wang, Yang Hua, Elyor Kodirov, David A. Clifton, Neil M. Robertson

Keywords: entropy minimisation, maximum entropy, confidence penalty, self knowledge distillation, label correction, label noise, semi-supervised learning, output regularisation

Self-Knowledge Distillation

Instance Cross Entropy for Deep Metric Learning

no code implementations22 Nov 2019 Xinshao Wang, Elyor Kodirov, Yang Hua, Neil Robertson

Loss functions play a crucial role in deep metric learning thus a variety of them have been proposed.

Metric Learning Semantic Similarity +1

ID-aware Quality for Set-based Person Re-identification

1 code implementation20 Nov 2019 Xinshao Wang, Elyor Kodirov, Yang Hua, Neil M. Robertson

This way it can prevent overfitting to trivial images, and alleviate the influence of outliers.

Person Re-Identification

ROBUST DISCRIMINATIVE REPRESENTATION LEARNING VIA GRADIENT RESCALING: AN EMPHASIS REGULARISATION PERSPECTIVE

no code implementations25 Sep 2019 Xinshao Wang, Yang Hua, Elyor Kodirov, Neil M. Robertson

It is fundamental and challenging to train robust and accurate Deep Neural Networks (DNNs) when semantically abnormal examples exist.

Representation Learning

IMAE for Noise-Robust Learning: Mean Absolute Error Does Not Treat Examples Equally and Gradient Magnitude's Variance Matters

3 code implementations28 Mar 2019 Xinshao Wang, Yang Hua, Elyor Kodirov, Neil M. Robertson

In this work, we study robust deep learning against abnormal training data from the perspective of example weighting built in empirical loss functions, i. e., gradient magnitude with respect to logits, an angle that is not thoroughly studied so far.

Ranked #33 on Image Classification on Clothing1M (using extra training data)

Image Classification Video Retrieval

GAN-based Pose-aware Regulation for Video-based Person Re-identification

no code implementations27 Mar 2019 Alessandro Borgia, Yang Hua, Elyor Kodirov, Neil M. Robertson

Video-based person re-identification deals with the inherent difficulty of matching unregulated sequences with different length and with incomplete target pose/viewpoint structure.

Video-Based Person Re-Identification

Ranked List Loss for Deep Metric Learning

2 code implementations CVPR 2019 Xinshao Wang, Yang Hua, Elyor Kodirov, Neil M. Robertson

To address this, we propose to build a set-based similarity structure by exploiting all instances in the gallery.

Image Retrieval Metric Learning +3

Deep Metric Learning by Online Soft Mining and Class-Aware Attention

3 code implementations4 Nov 2018 Xinshao Wang, Yang Hua, Elyor Kodirov, Guosheng Hu, Neil M. Robertson

Therefore, we propose a novel sample mining method, called Online Soft Mining (OSM), which assigns one continuous score to each sample to make use of all samples in the mini-batch.

Metric Learning Semantic Similarity +2

Semantic Autoencoder for Zero-Shot Learning

4 code implementations CVPR 2017 Elyor Kodirov, Tao Xiang, Shaogang Gong

We show that with this additional reconstruction constraint, the learned projection function from the seen classes is able to generalise better to the new unseen classes.

Attribute Clustering +1

Unsupervised Domain Adaptation for Zero-Shot Learning

no code implementations ICCV 2015 Elyor Kodirov, Tao Xiang, Zhen-Yong Fu, Shaogang Gong

Zero-shot learning (ZSL) can be considered as a special case of transfer learning where the source and target domains have different tasks/label spaces and the target domain is unlabelled, providing little guidance for the knowledge transfer.

Action Recognition Temporal Action Localization +2

Zero-Shot Object Recognition by Semantic Manifold Distance

no code implementations CVPR 2015 Zhenyong Fu, Tao Xiang, Elyor Kodirov, Shaogang Gong

The semantic manifold structure is used to redefine the distance metric in the semantic embedding space for more effective ZSL.

Attribute Object +3

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