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Xuekai Wei

6 accepted papers

2025

A Dynamic Learning Strategy for Dempster-Shafer Theory with Applications in Classification and Enhancement

NeurIPS 2025poster

Effective modelling of uncertain information is crucial for quantifying uncertainty. Dempster–Shafer evidence (DSE) theory is a widely recognized approach for handling uncertain information. However, current methods often neglect the inherent a priori information within data during modelling, and im…

Cited by 0SourceScholar
2025

EEG Decoding and Visual Reconstruction via 3D Geometric with Nonstationarity Modelling

ICASSP 2025accepted

Electroencephalogram (EEG) signal processing has advanced in revealing the mechanisms of human visual perception, but existing methods often overlook two key EEG properties: (1) 3D geometric relationships between EEG electrodes, which reflects the ability to model the brain in stereoscopic terms; an…

Cited by 0SourceScholar
2025

Image Quality Assessment: Investigating Causal Perceptual Effects with Abductive Counterfactual Inference

CVPR 2025poster

Existing full-reference image quality assessment (FR-IQA) methods often fail to capture the complex causal mechanisms that underlie human perceptual responses to image distortions, limiting their ability to generalize across diverse scenarios. In this paper, we propose an FR-IQA method based on abdu…

Cited by 0SourcePDFScholar
2025

Tokenphormer: Structure-aware Multi-token Graph Transformer for Node Classification

AAAI 2025technical

Graph Neural Networks (GNNs) are widely used in graph data mining tasks. Traditional GNNs follow a message passing scheme that can effectively utilize local and structural information. However, the phenomena of over-smoothing and over-squashing limit the receptive field in message passing processes.…

2021

Joint Reinforcement Learning and Game Theory Bitrate Control Method for 360-Degree Dynamic Adaptive Streaming

ICASSP 2021accepted

A joint reinforcement learning (RL) and game theory method is presented for segment-level continuous bitrate selection and tile-level bitrate allocation in tile-based 360-degree streaming to increase users’ quality of experience (QoE). First, a viewpoint prediction method based on single-user (SU) v…

Cited by 0SourceScholar