Search Results for author: Kai Yuan

Found 14 papers, 2 papers with code

Generating Physically Realistic and Directable Human Motions from Multi-Modal Inputs

no code implementations8 Feb 2025 Aayam Shrestha, Pan Liu, German Ros, Kai Yuan, Alan Fern

This work focuses on generating realistic, physically-based human behaviors from multi-modal inputs, which may only partially specify the desired motion.

Imitation Learning

AHSG: Adversarial Attacks on High-level Semantics in Graph Neural Networks

no code implementations10 Dec 2024 Kai Yuan, Xiaobing Pei, Haoran Yang

To address this problem, we propose a Adversarial Attacks on High-level Semantics in Graph Neural Networks (AHSG), which is a graph structure attack model that ensures the retention of primary semantics.

Adversarial Attack Graph Learning

Can Large Language Models Logically Predict Myocardial Infarction? Evaluation based on UK Biobank Cohort

no code implementations22 Sep 2024 Yuxing Zhi, Yuan Guo, Kai Yuan, Hesong Wang, Heng Xu, Haina Yao, Albert C Yang, Guangrui Huang, Yuping Duan

Future medical LLMs are suggested to be expert in medical domain knowledge to understand both natural languages and quantified medical data, and further make logical inferences.

Cooperative Multi-Agent Deep Reinforcement Learning in Content Ranking Optimization

no code implementations8 Aug 2024 Zhou Qin, Kai Yuan, Pratik Lahiri, Wenyang Liu

In a typical e-commerce setting, Content Ranking Optimization (CRO) mechanisms are employed to surface content on the search page to fulfill customers' shopping missions.

Deep Reinforcement Learning Information Retrieval +2

Fully-fused Multi-Layer Perceptrons on Intel Data Center GPUs

1 code implementation26 Mar 2024 Kai Yuan, Christoph Bauinger, Xiangyi Zhang, Pascal Baehr, Matthias Kirchhart, Darius Dabert, Adrien Tousnakhoff, Pierre Boudier, Michael Paulitsch

We compare our approach to a similar CUDA implementation for MLPs and show that our implementation on the Intel Data Center GPU outperforms the CUDA implementation on Nvidia's H100 GPU by a factor up to 2. 84 in inference and 1. 75 in training.

Image Compression Physics-informed machine learning

Hierarchical generative modelling for autonomous robots

no code implementations15 Aug 2023 Kai Yuan, Noor Sajid, Karl Friston, Zhibin Li

We approach this problem by hierarchical generative modelling equipped with multi-level planning-for autonomous task completion-that mimics the deep temporal architecture of human motor control.

Learning Perceptual Locomotion on Uneven Terrains using Sparse Visual Observations

no code implementations28 Sep 2021 Fernando Acero, Kai Yuan, Zhibin Li

To proactively navigate and traverse various terrains, active use of visual perception becomes indispensable.

Navigate

Deep Pairwise Learning To Rank For Search Autocomplete

no code implementations11 Aug 2021 Kai Yuan, Da Kuang

Autocomplete (a. k. a "Query Auto-Completion", "AC") suggests full queries based on a prefix typed by customer.

Learning-To-Rank

Multi-expert learning of adaptive legged locomotion

no code implementations10 Dec 2020 Chuanyu Yang, Kai Yuan, Qiuguo Zhu, Wanming Yu, Zhibin Li

Achieving versatile robot locomotion requires motor skills which can adapt to previously unseen situations.

Learning Pregrasp Manipulation of Objects from Ungraspable Poses

no code implementations15 Feb 2020 Zhaole Sun, Kai Yuan, Wenbin Hu, Chuanyu Yang, Zhibin Li

In robotic grasping, objects are often occluded in ungraspable configurations such that no pregrasp pose can be found, eg large flat boxes on the table that can only be grasped from the side.

Robotics

Reaching, Grasping and Re-grasping: Learning Fine Coordinated Motor Skills

no code implementations11 Feb 2020 Wenbin Hu, Chuanyu Yang, Kai Yuan, Zhibin Li

The performance of learned policy is evaluated on three different tasks: grasping a static target, grasping a dynamic target, and re-grasping.

Robotics

Learning Whole-body Motor Skills for Humanoids

no code implementations7 Feb 2020 Chuanyu Yang, Kai Yuan, Wolfgang Merkt, Taku Komura, Sethu Vijayakumar, Zhibin Li

This paper presents a hierarchical framework for Deep Reinforcement Learning that acquires motor skills for a variety of push recovery and balancing behaviors, i. e., ankle, hip, foot tilting, and stepping strategies.

Deep Reinforcement Learning

Force-guided High-precision Grasping Control of Fragile and Deformable Objects using sEMG-based Force Prediction

no code implementations5 Feb 2020 Ruoshi Wen, Kai Yuan, Qiang Wang, Shuai Heng, Zhibin Li

Regulating contact forces with high precision is crucial for grasping and manipulating fragile or deformable objects.

Robotics

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