no code implementations • 29 Mar 2024 • Luoyu Wang, Yitian Tao, Qing Yang, Yan Liang, Siwei Liu, Hongcheng Shi, Dinggang Shen, Han Zhang
To fully exploit the inherent complex and nonlinear relation among modalities while producing fine-grained representations for uni-modal inference, we subsequently add a modal alignment module to line up a dominant modality (e. g., PET) with representations of auxiliary modalities (MR).
1 code implementation • 18 Feb 2024 • Junjian Lu, Siwei Liu, Dmitrii Kobylianski, Etienne Dreyer, Eilam Gross, Shangsong Liang
In high-energy physics, particles produced in collision events decay in a format of a hierarchical tree structure, where only the final decay products can be observed using detectors.
no code implementations • 6 Jan 2024 • Siwei Liu, Ke Ma, Stephan M. Goetz
We propose a new method to improve the convergence speed of the Robbins-Monro algorithm by introducing prior information about the target point into the Robbins-Monro iteration.
no code implementations • 27 Nov 2023 • Siwei Liu, Xi Wang, Craig Macdonald, Iadh Ounis
We propose a novel recommendation model, the Social-aware Gaussian Pre-trained model (SGP), which encodes the user social relations and interaction data at the pre-training stage in a Graph Neural Network (GNN).
no code implementations • 8 Jul 2021 • Zaiqiao Meng, Siwei Liu, Craig Macdonald, Iadh Ounis
For the GCN-P model, two single-relational graphs are constructed from all the users' and items' side information respectively, to pre-train entity representations by using the Graph Convolutional Networks.
no code implementations • 27 May 2021 • Siwei Liu, Yuanpeng Long, Gao Xu, Lijia Yang, Shimei Xu, Xiaoming Yao, Kunxian Shu
To overcome the limitations of convolutional neural network in the process of facial expression recognition, a facial expression recognition model Capsule-LSTM based on video frame sequence is proposed.
Facial Expression Recognition Facial Expression Recognition (FER)
no code implementations • 27 May 2021 • Gao Xu, Yuanpeng Long, Siwei Liu, Lijia Yang, Shimei Xu, Xiaoming Yao, Kunxian Shu
In this paper, a bi-parallel linear flow model for facial emotion generation from emotion set images is constructed, and a series of improvements have been made in terms of the expression ability of the model and the convergence speed in training.