Search Results for author: Ning Jia

Found 5 papers, 2 papers with code

Camera Bias in a Fine Grained Classification Task

no code implementations16 Jul 2020 Philip T. Jackson, Stephen Bonner, Ning Jia, Christopher Holder, Jon Stonehouse, Boguslaw Obara

We show that correlations between the camera used to acquire an image and the class label of that image can be exploited by convolutional neural networks (CNN), resulting in a model that "cheats" at an image classification task by recognizing which camera took the image and inferring the class label from the camera.

Classification General Classification +1

A study of the effect of the illumination model on the generation of synthetic training datasets

no code implementations15 Jun 2020 Xin Zhang, Ning Jia, Ioannis Ivrissimtzis

Our results show that the effect of the illumination model is important, comparable in significance to the network architecture.

Watermark retrieval from 3D printed objects via synthetic data training

no code implementations23 May 2019 Xin Zhang, Ning Jia, Ioannis Ivrissimtzis

We conclude that in our application domain of information retrieval from 3D printed objects, where access to the exact CAD files of the printed objects can be assumed, one can use inexpensive synthetic data to enhance neural network training, reducing the need for the labour intensive process of creating large amounts of hand labelled real data or the need to generate photorealistic synthetic data.

Information Retrieval Retrieval

A Baseline for Multi-Label Image Classification Using An Ensemble of Deep Convolutional Neural Networks

1 code implementation20 Nov 2018 Qian Wang, Ning Jia, Toby P. Breckon

Recent studies on multi-label image classification have focused on designing more complex architectures of deep neural networks such as the use of attention mechanisms and region proposal networks.

Classification Data Augmentation +3

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