activity
20172026
most citedLearning a Robust Representation via a Deep Network on Symmetric Positive Definite Manifolds

5 citations · 10 across the 23 of their papers we have counts for

collaborators
Showing 2025Show all

14 papers · 1 filter

cs.AI2025

Multi-Step Reasoning for Embodied Question Answering via Tool Augmentation

Mingliang Zhai, Hansheng Liang, Xiaomeng Fan +6

Embodied Question Answering (EQA) requires agents to explore 3D environments to obtain observations and answer questions related to the scene. Existing methods leverage VLMs to dir…

cs.CV2025

Beyond the Seen: Bounded Distribution Estimation for Open-Vocabulary Learning

Xiaomeng Fan, Yuchuan Mao, Zhi Gao +3

Open-vocabulary learning requires modeling the data distribution in open environments, which consists of both seen-class and unseen-class data. Existing methods estimate the distri…

cs.CV2025

Modality Alignment across Trees on Heterogeneous Hyperbolic Manifolds

Wei Wu, Xiaomeng Fan, Yuwei Wu +4

Modality alignment is critical for vision-language models (VLMs) to effectively integrate information across modalities. However, existing methods extract hierarchical features fro…

cs.AI2025

GUI Knowledge Bench: Revealing the Knowledge Gap of VLMs in GUI Tasks

Chenrui Shi, Zedong Yu, Zhi Gao +7

Vision language models (VLMs) have advanced graphical user interface (GUI) task automation but still lag behind humans. We hypothesize this gap stems from missing core GUI knowledg…

cs.CV2025

Adaptive Model Ensemble for Continual Learning

Yuchuan Mao, Zhi Gao, Xiaomeng Fan +3

Model ensemble is an effective strategy in continual learning, which alleviates catastrophic forgetting by interpolating model parameters, achieving knowledge fusion learned from d…

cs.RO2025

Long-Horizon Visual Imitation Learning via Plan and Code Reflection

Quan Chen, Chenrui Shi, Qi Chen +6

Learning from long-horizon demonstrations with complex action sequences presents significant challenges for visual imitation learning, particularly in understanding temporal relati…

cs.CV2025

MotionFlux: Efficient Text-Guided Motion Generation through Rectified Flow Matching and Preference Alignment

Zhiting Gao, Dan Song, Diqiong Jiang +2

Motion generation is essential for animating virtual characters and embodied agents. While recent text-driven methods have made significant strides, they often struggle with achiev…

cs.LG2025

Curvature Learning for Generalization of Hyperbolic Neural Networks

Xiaomeng Fan, Yuwei Wu, Zhi Gao +2

Hyperbolic neural networks (HNNs) have demonstrated notable efficacy in representing real-world data with hierarchical structures via exploiting the geometric properties of hyperbo…

cs.CV2025

Geometry-aware Distance Measure for Diverse Hierarchical Structures in Hyperbolic Spaces

Pengxiang Li, Yuwei Wu, Zhi Gao +5

Learning in hyperbolic spaces has attracted increasing attention due to its superior ability to model hierarchical structures of data. Most existing hyperbolic learning methods use…

cs.CV2025

A Set-to-Set Distance Measure in Hyperbolic Space

Pengxiang Li, Wei Wu, Zhi Gao +6

We propose a hyperbolic set-to-set distance measure for computing dissimilarity between sets in hyperbolic space. While point-to-point distances in hyperbolic space effectively cap…

cs.CV2025

Hyperbolic Dual Feature Augmentation for Open-Environment

Peilin Yu, Yuwei Wu, Zhi Gao +3

Feature augmentation generates novel samples in the feature space, providing an effective way to enhance the generalization ability of learning algorithms with hyperbolic geometry.…

cs.CV2025

Adaptive Chain-of-Focus Reasoning via Dynamic Visual Search and Zooming for Efficient VLMs

Xintong Zhang, Zhi Gao, Bofei Zhang +8

Vision language models (VLMs) have achieved impressive performance across a variety of computer vision tasks. However, the multimodal reasoning capability has not been fully explor…

cs.CL2025

Memory-Centric Embodied Question Answering

Mingliang Zhai, Zhi Gao, Yuwei Wu +1

Embodied Question Answering (EQA) requires agents to autonomously explore and comprehend the environment to answer context-dependent questions. Typically, an EQA framework consists…

cs.LG2025

Large-Scale Riemannian Meta-Optimization via Subspace Adaptation

Peilin Yu, Yuwei Wu, Zhi Gao +2

Riemannian meta-optimization provides a promising approach to solving non-linear constrained optimization problems, which trains neural networks as optimizers to perform optimizati…