Search Results for author: Zijian Zhou

Found 14 papers, 6 papers with code

Large Model driven Radiology Report Generation with Clinical Quality Reinforcement Learning

no code implementations11 Mar 2024 Zijian Zhou, Miaojing Shi, Meng Wei, Oluwatosin Alabi, Zijie Yue, Tom Vercauteren

Finally, to better reflect the clinical significant and insignificant errors that radiologists would normally assign in the report, we introduce a novel clinical quality reinforcement learning strategy.

Language Modelling Large Language Model +1

VLPrompt: Vision-Language Prompting for Panoptic Scene Graph Generation

1 code implementation27 Nov 2023 Zijian Zhou, Miaojing Shi, Holger Caesar

Panoptic Scene Graph Generation (PSG) aims at achieving a comprehensive image understanding by simultaneously segmenting objects and predicting relations among objects.

Graph Generation Panoptic Scene Graph Generation +1

DeepMetricEye: Metric Depth Estimation in Periocular VR Imagery

no code implementations13 Nov 2023 Yitong Sun, Zijian Zhou, Cyriel Diels, Ali Asadipour

Despite the enhanced realism and immersion provided by VR headsets, users frequently encounter adverse effects such as digital eye strain (DES), dry eye, and potential long-term visual impairment due to excessive eye stimulation from VR displays and pressure from the mask.

Depth Estimation

Data-driven localized waves and parameter discovery in the massive Thirring model via extended physics-informed neural networks with interface zones

no code implementations29 Sep 2023 Junchao Chen, Jin Song, Zijian Zhou, Zhenya Yan

In this paper, we study data-driven localized wave solutions and parameter discovery in the massive Thirring (MT) model via the deep learning in the framework of physics-informed neural networks (PINNs) algorithm.

Auxiliary Factor Method to Remove ISI of Nyquist Filters

no code implementations5 Sep 2022 Zijian Zhou, Lifeng Lin, Bingli Jiao

As has been known, the Nyquist first condition promises no intersymbol interference (ISI) as derived in the frequency domain.

Deep neural networks for solving forward and inverse problems of (2+1)-dimensional nonlinear wave equations with rational solitons

no code implementations28 Dec 2021 Zijian Zhou, Li Wang, Zhenya Yan

In this paper, we investigate the forward problems on the data-driven rational solitons for the (2+1)-dimensional KP-I equation and spin-nonlinear Schr\"odinger (spin-NLS) equation via the deep neural networks leaning.

Data-driven discoveries of Bäcklund transforms and soliton evolution equations via deep neural network learning schemes

no code implementations18 Nov 2021 Zijian Zhou, Li Wang, Weifang Weng, Zhenya Yan

We introduce a deep neural network learning scheme to learn the B\"acklund transforms (BTs) of soliton evolution equations and an enhanced deep learning scheme for data-driven soliton equation discovery based on the known BTs, respectively.

Deep learning neural networks for the third-order nonlinear Schrodinger equation: Solitons, breathers, and rogue waves

no code implementations30 Apr 2021 Zijian Zhou, Zhenya Yan

The third-order nonlinear Schrodinger equation (alias the Hirota equation) is investigated via deep leaning neural networks, which describes the strongly dispersive ion-acoustic wave in plasma and the wave propagation of ultrashort light pulses in optical fibers, as well as broader-banded waves on deep water.

Early-Bird GCNs: Graph-Network Co-Optimization Towards More Efficient GCN Training and Inference via Drawing Early-Bird Lottery Tickets

2 code implementations1 Mar 2021 Haoran You, Zhihan Lu, Zijian Zhou, Yonggan Fu, Yingyan Lin

Experiments on various GCN models and datasets consistently validate our GEB finding and the effectiveness of our GEBT, e. g., our GEBT achieves up to 80. 2% ~ 85. 6% and 84. 6% ~ 87. 5% savings of GCN training and inference costs while offering a comparable or even better accuracy as compared to state-of-the-art methods.

Representation Learning

Randomized Ensembled Double Q-Learning: Learning Fast Without a Model

6 code implementations ICLR 2021 Xinyue Chen, Che Wang, Zijian Zhou, Keith Ross

Using a high Update-To-Data (UTD) ratio, model-based methods have recently achieved much higher sample efficiency than previous model-free methods for continuous-action DRL benchmarks.

Q-Learning

Gaussian Vector: An Efficient Solution for Facial Landmark Detection

no code implementations3 Oct 2020 Yilin Xiong, Zijian Zhou, Yuhao Dou, Zhizhong Su

Significant progress has been made in facial landmark detection with the development of Convolutional Neural Networks.

Facial Landmark Detection

BAIL: Best-Action Imitation Learning for Batch Deep Reinforcement Learning

1 code implementation NeurIPS 2020 Xinyue Chen, Zijian Zhou, Zheng Wang, Che Wang, Yanqiu Wu, Keith Ross

There has recently been a surge in research in batch Deep Reinforcement Learning (DRL), which aims for learning a high-performing policy from a given dataset without additional interactions with the environment.

Imitation Learning Q-Learning +2

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