Channel Estimation for Holographic MIMO: Wavenumber-Domain Sparsity Inspired Approaches

no code implementations • 9 May 2024 • Yuqing Guo, Yuanbin Chen, Ying Wang

This paper investigates the sparse channel estimation for holographic multiple-input multiple-output (HMIMO) systems.

Multi-grained Attention with Object-level Grounding for Visual Question Answering

no code implementations • ACL 2019 • Pingping Huang, Jianhui Huang, Yuqing Guo, Min Qiao, Yong Zhu

Attention mechanisms are widely used in Visual Question Answering (VQA) to search for visual clues related to the question.

Object Question Answering +2

M-Walk: Learning to Walk over Graphs using Monte Carlo Tree Search

no code implementations • NeurIPS 2018 • Yelong Shen, Jianshu Chen, Po-Sen Huang, Yuqing Guo, Jianfeng Gao

In order to effectively train the agent from sparse rewards, we combine MCTS with the neural policy to generate trajectories yielding more positive rewards.

Knowledge Base Completion Link Prediction +2