← Search

Xin He

31 accepted papers

2026

Approximation Error Upper and Lower Bounds for Hölder Class with Transformers

ICML 2026poster

We explore the expressive power of Transformers by establishing precise approximation error upper and lower bounds for Hölder class. Specifically, a new approximation upper bound is derived for the standard Transformer architecture equipped with Softmax operators, ReLU activation functions, and resi…

Cited by 0SourceScholar
2026

Dual Mamba for Node-Specific Representation Learning: Tackling Over-Smoothing with Selective State Space Modeling

AAAI 2026technical

Over-smoothing remains a fundamental challenge in deep Graph Neural Networks (GNNs), where repeated message passing causes node representations to become indistinguishable. While existing solutions, such as residual connections and skip layers, alleviate this issue to some extent, they fail to expli

Cited by 0SourcePDFScholar
2026

Ghost in the Cloud: Your Geo-Distributed Large Language Models Training is Easily Manipulated

ICLR 2026poster

Geo-distributed training and Federated Learning (FL) provide viable solutions to address the substantial data and computational resource needs associated with training large language models (LLMs). However, we empirically demonstrate that a single adversarial participant can significantly compromise…

Cited by 0SourceScholar
2026

PSR: Scaling Multi-Subject Personalized Image Generation with Pairwise Subject-Consistency Rewards

CVPR 2026

Personalized generation models for a single subject have demonstrated remarkable effectiveness, highlighting their significant potential. However, when extended to multiple subjects, existing models often exhibit degraded performance, particularly in maintaining subject consistency and adhering to t

Cited by 0SourcecodeScholar
2025

Boosting Segment Anything Model Towards Open-Vocabulary Learning

AAAI 2025technical

The recent Segment Anything Model (SAM) has emerged as a new paradigmatic vision foundation model, showcasing potent zero-shot generalization and flexible prompting. Despite SAM finding applications and adaptations in various domains, its primary limitation lies in the inability to grasp object sema…

2025

IMAGDressing-v1: Customizable Virtual Dressing

AAAI 2025technical

Existing virtual try-on (VTON) methods provide only limited user control over garment attributes and generally overlook essential factors such as face, pose, and scene context. To address these limitations, we introduce the virtual dressing (VD) task, which aims to synthesize freely editable human i…

2025

Incorporating Visual Experts to Resolve the Information Loss in Multimodal Large Language Models

IJCAI 2025

Multimodal Large Language Models (MLLMs) are experiencing rapid growth, yielding a plethora of novel works recently. The prevailing trend involves adopting data-driven methodologies, wherein diverse instruction-following datasets were collected. However, these approaches always face the challenge of

Cited by 0SourcePDFScholar
2025

Mamba-Based Graph Convolutional Networks: Tackling Over-smoothing with Selective State Space

IJCAI 2025

Graph Neural Networks (GNNs) have shown great success in various graph-based learning tasks. However, it often faces the issue of over-smoothing as the model depth increases, which causes all node representations to converge to a single value and become indistinguishable. This issue stems from the i

2024

Anchor-based Large Language Models

ACL 2024findings

Large language models (LLMs) predominantly employ decoder-only transformer architectures, necessitating the retention of keys/values information for historical tokens to provide contextual information and avoid redundant computation. However, the substantial size and parameter volume of these LLMs r…

2024

DEEPOREDNET: Contrastive Learning-Based Attention-Weighted Dual Channel Residual Network for Ocular Redness Assessment

ICASSP 2024accepted

Ocular redness is highly prevalent worldwide and often accompanied by pain, discomfort, and vision problems, making it an essential signal for monitoring disease development and prognosis. Understanding the category of ocular redness is crucial for health. However, the intricate vascular structure o…

Cited by 0SourceScholar
2024

From Seeing to Recognising-An Extended Self-Organizing Map for Human Postures Identification

RA-L 2024

The letter presents a dedicated method for recognizing human postures using classification and clustering options. The ultimate goal of the research is to recognise human actions based on posture sequences. Such a task imposes expectations on the developed method. For this purpose, a Sparse Autoenco

Cited by 0SourceScholar
2024

On the Target-kernel Alignment: a Unified Analysis with Kernel Complexity

NeurIPS 2024poster

This paper investigates the impact of alignment between the target function of interest and the kernel matrix on a variety of kernel-based methods based on a general loss belonging to a rich loss function family, which covers many commonly used methods in regression and classification problems. We c…

Cited by 0SourcePDFScholar
2024

Optimize Weight Rounding via Signed Gradient Descent for the Quantization of LLMs

EMNLP 2024finding

Large Language Models (LLMs) have demonstrated exceptional proficiency in language-related tasks, but their deployment poses significant challenges due to substantial memory and storage requirements. Weight-only quantization has emerged as a promising solution to address these challenges. Previous r…

2024

S2E: Towards an End-to-End Entity Resolution Solution from Acoustic Signal

ICASSP 2024accepted

Traditional cascading Entity Resolution (ER) pipeline suffers from propagated errors from upstream tasks. We address this issue by formulating a new end-to-end (E2E) ER problem, Signal-to-Entity (S2E), resolving query entity mentions to actionable entities in textual catalogs directly from audio que…

Cited by 0SourceScholar
2024

SAEIR: Sequentially Accumulated Entropy Intrinsic Reward for Cooperative Multi-Agent Reinforcement Learning with Sparse Reward

IJCAI 2024poster

Multi-agent reinforcement learning (MARL) performs well for solving complex cooperative tasks when the scenarios have well-defined dense rewards. However, there are usually sparse reward settings in many real-world multi-agent systems, which makes it difficult for MARL algorithms to successfully lea…

Cited by 1SourcePDFScholar
2024

Towards Theoretical Understanding of Learning Large-scale Dependent Data via Random Features

ICML 2024spotlight

Random feature (RF) mapping is an attractive and powerful technique for solving large-scale nonparametric regression. Yet, the existing theoretical analysis crucially relies on the i.i.d. assumption that individuals in the data are independent and identically distributed. It is still unclear whether…

Cited by 0SourcePDFScholar
2023

NAS-LID: Efficient Neural Architecture Search with Local Intrinsic Dimension

AAAI 2023technical

One-shot neural architecture search (NAS) substantially improves the search efficiency by training one supernet to estimate the performance of every possible child architecture (i.e., subnet). However, the inconsistency of characteristics among subnets incurs serious interference in the optimization…

2023

Towards a Unified Analysis of Kernel-based Methods Under Covariate Shift

NeurIPS 2023poster

Covariate shift occurs prevalently in practice, where the input distributions of the source and target data are substantially different. Despite its practical importance in various learning problems, most of the existing methods only focus on some specific learning tasks and are not well validated t…

2022

Design of a Soft Gripper With Improved Microfluidic Tactile Sensors for Classification of Deformable Objects

RA-L 2022

Tactile object recognition is vital for robotic handling systems; however, existing technologies that concentrate on tactile sensors with high modulus are not suitable for soft grippers to classify deformable objects. In this letter, we integrated an indenter layer into the traditional microfluidic

Cited by 19SourceScholar
2022

EAGAN: Efficient Two-Stage Evolutionary Architecture Search for GANs

ECCV 2022poster

"Generative adversarial networks (GANs) have proven successful in image generation tasks. However, GAN training is inherently unstable. Although many works try to stabilize it by manually modifying GAN architecture, it requires much expertise. Neural architecture search (NAS) has become an attractiv…

2022

Fine-Grained Semantically Aligned Vision-Language Pre-Training

NeurIPS 2022accept

Large-scale vision-language pre-training has shown impressive advances in a wide range of downstream tasks. Existing methods mainly model the cross-modal alignment by the similarity of the global representations of images and text, or advanced cross-modal attention upon image and text features. Howe…

2022

Sen-Glove: A Lightweight Wearable Glove for Hand Assistance with Soft Joint Sensing

ICRA 2022poster

Perception and portability are critical issues for wearable gloves in hand assistive engineering. However, available wearable gloves either lack flexible sensing or are bulky. In this paper, we present a tendon-driven lightweight wearable glove with soft joint sensing, Sen-Glove. Sen-Glove is equipp…

Cited by 12SourceScholar
2022

Virtual Homogeneity Learning: Defending against Data Heterogeneity in Federated Learning

ICML 2022spotlight

In federated learning (FL), model performance typically suffers from client drift induced by data heterogeneity, and mainstream works focus on correcting client drift. We propose a different approach named virtual homogeneity learning (VHL) to directly “rectify” the data heterogeneity. In particular…

2021

Automated Model Design and Benchmarking of Deep Learning Models for COVID-19 Detection with Chest CT Scans

AAAI 2021technical

The COVID-19 pandemic has spread globally for several months. Because its transmissibility and high pathogenicity seriously threaten people's lives, it is crucial to accurately and quickly detect COVID-19 infection. Many recent studies have shown that deep learning (DL) based solutions can help dete…

2021

Optimizing NLU Reranking Using Entity Resolution Signals in Multi-domain Dialog Systems

NAACL 2021industry

In dialog systems, the Natural Language Understanding (NLU) component typically makes the interpretation decision (including domain, intent and slots) for an utterance before the mentioned entities are resolved. This may result in intent classification and slot tagging errors. In this work, we propo…

Cited by 2SourcePDFScholar
2021

Transitive Transfer Sparse Coding for Distant Domain

ICASSP 2021accepted

The transfer learning between the source and target domain has already achieved significant success in machine learning areas. However, the existing methods can not achieve satisfactory result when solving the two distant domains transfer learning problem. In the worst case, it could lead to the neg…

Cited by 0SourceScholar
2019

Symmetry-Constrained Rectification Network for Scene Text Recognition

ICCV 2019poster

Reading text in the wild is a very challenging task due to the diversity of text instances and the complexity of natural scenes. Recently, the community has paid increasing attention to the problem of recognizing text instances with irregular shapes. One intuitive and effective way to handle this pr…

Cited by 186PDFScholar
2018

TextSnake: A Flexible Representation for Detecting Text of Arbitrary Shapes

ECCV 2018poster

Driven by deep neural networks and large scale datasets, scene text detection methods have progressed substantially over the past years, continuously refreshing the performance records on various standard benchmarks. However, limited by the representations (axis-aligned rectangles, rotated rectangle…

Cited by 707SourcePDFScholar