← Search

Huan Xiong

25 accepted papers

2026

Plug-and-Play Spiking Operators: Breaking the Nonlinearity Bottleneck in Spiking Transformers

ICML 2026poster

ANN-to-SNN conversion offers a practical, training-free route to spiking large language models. However, current pipelines primarily focus on spike-driven realizations for Transformer linear-algebra operations, while providing limited support for key nonlinear operators. This gap limits compatibilit…

Cited by 0SourceScholar
2026

Unleashing LLMs in Bayesian Optimization: Preference-Guided Framework for Scientific Discovery

ICLR 2026poster

Scientific discovery is increasingly constrained by costly experiments and limited budgets, making efficient optimization essential for AI for science. Bayesian Optimization (BO), while widely adopted for balancing exploration and exploitation, suffers from slow cold-start performance and poor scala…

Cited by 0SourceScholar
2024

Certified Adversarial Robustness for Rate Encoded Spiking Neural Networks

ICLR 2024poster

The spiking neural networks are inspired by the biological neurons that employ binary spikes to propagate information in the neural network. It has garnered considerable attention as the next-generation neural network, as the spiking activity simplifies the computation burden of the network to a lar…

2024

DREAM: Dual Structured Exploration with Mixup for Open-set Graph Domain Adaption

ICLR 2024poster

Recently, numerous graph neural network methods have been developed to tackle domain shifts in graph data. However, these methods presuppose that unlabeled target graphs belong to categories previously seen in the source domain. This assumption could not hold true for in-the-wild target graphs. In t…

Cited by 25SourcePDFScholar
2024

Data Driven Threshold and Potential Initialization for Spiking Neural Networks

AISTATS 2024poster

Spiking neural networks (SNNs) present an increasingly popular alternative to artificial neural networks (ANNs), due to their energy and time efficiency when deployed on neuromorphic hardware. However, due to their discrete and highly non-differentiable nature, training SNNs is a challenging task an…

2024

Dynamic Spiking Graph Neural Networks

AAAI 2024technical

The integration of Spiking Neural Networks (SNNs) and Graph Neural Networks (GNNs) is gradually attracting attention due to the low power consumption and high efficiency in processing the non-Euclidean data represented by graphs. However, as a common problem, dynamic graph representation learning f…

Cited by 40SourcePDFScholar
2024

Enhancing Training of Spiking Neural Network with Stochastic Latency

AAAI 2024technical

Spiking neural networks (SNNs) have garnered significant attention for their low power consumption when deployed on neuromorphic hardware that operates in orders of magnitude lower power than general-purpose hardware. Direct training methods for SNNs come with an inherent latency for which the SNNs…

2024

Learning No-Regret Sparse Generalized Linear Models with Varying Observation(s)

ICLR 2024spotlight

Generalized Linear Models (GLMs) encompass a wide array of regression and classification models, where prediction is a function of a linear combination of the input variables. Often in real-world scenarios, a number of observations would be added into or removed from the existing training dataset, n…

Cited by 0SourcePDFScholar
2024

NDOT: Neuronal Dynamics-based Online Training for Spiking Neural Networks

ICML 2024poster

Spiking Neural Networks (SNNs) are attracting great attention for their energy-efficient and fast-inference properties in neuromorphic computing. However, the efficient training of deep SNNs poses challenges in gradient calculation due to the non-differentiability of their binary spike-generating ac…

2024

New Insight of Variance reduce in Zero-Order Hard-Thresholding: Mitigating Gradient Error and Expansivity Contradictions

ICLR 2024poster

Hard-thresholding is an important type of algorithm in machine learning that is used to solve $\ell_0$ constrained optimization problems. However, the true gradient of the objective function can be difficult to access in certain scenarios, which normally can be approximated by zeroth-order (ZO) met…

Cited by 1SourcePDFScholar
2024

TAB: Temporal Accumulated Batch Normalization in Spiking Neural Networks

ICLR 2024poster

Spiking Neural Networks (SNNs) are attracting growing interest for their energy-efficient computing when implemented on neuromorphic hardware. However, directly training SNNs, even adopting batch normalization (BN), is highly challenging due to their non-differentiable activation function and the te…

Cited by 14SourcePDFScholar
2023

A Unified Optimization Framework of ANN-SNN Conversion: Towards Optimal Mapping from Activation Values to Firing Rates

ICML 2023poster

Spiking Neural Networks (SNNs) have gained significant attention for their energy-efficient and fast-inference capabilities, but training SNNs from scratch can be challenging due to the discrete nature of spikes. One alternative method is to convert an Artificial Neural Network (ANN) into an SNN, kn…

2023

Direct Training of SNN using Local Zeroth Order Method

NeurIPS 2023poster

Spiking neural networks are becoming increasingly popular for their low energy requirement in real-world tasks with accuracy comparable to traditional ANNs. SNN training algorithms face the loss of gradient information and non-differentiability due to the Heaviside function in minimizing the model l…

2023

Feature Shrinkage Pyramid for Camouflaged Object Detection With Transformers

CVPR 2023poster

Vision transformers have recently shown strong global context modeling capabilities in camouflaged object detection. However, they suffer from two major limitations: less effective locality modeling and insufficient feature aggregation in decoders, which are not conducive to camouflaged object detec…

2023

Memory-Aided Contrastive Consensus Learning for Co-salient Object Detection

AAAI 2023technical

Co-salient object detection (CoSOD) aims at detecting common salient objects within a group of relevant source images. Most of the latest works employ the attention mechanism for finding common objects. To achieve accurate CoSOD results with high-quality maps and high efficiency, we propose a novel…

2022

Dynamic Prototype Convolution Network for Few-Shot Semantic Segmentation

CVPR 2022poster

The key challenge for few-shot semantic segmentation (FSS) is how to tailor a desirable interaction among support and query features and/or their prototypes, under the episodic training scenario. Most existing FSS methods implement such support/query interactions by solely leveraging \it plain oper…

Cited by 111PDFScholar
2022

Implicit Motion Handling for Video Camouflaged Object Detection

CVPR 2022poster

We propose a new video camouflaged object detection (VCOD) framework that can exploit both short-term dynamics and long-term temporal consistency to detect camouflaged objects from video frames. An essential property of camouflaged objects is that they usually exhibit patterns similar to the backgro…

Cited by 104PDFcodeScholar
2022

Zeroth-Order Negative Curvature Finding: Escaping Saddle Points without Gradients

NeurIPS 2022accept

We consider escaping saddle points of nonconvex problems where only the function evaluations can be accessed. Although a variety of works have been proposed, the majority of them require either second or first-order information, and only a few of them have exploited zeroth-order methods, particularl…

Cited by 10SourcePDFScholar
2020

Learning to Learn Variational Semantic Memory

NeurIPS 2020poster

In this paper, we introduce variational semantic memory into meta-learning to acquire long-term knowledge for few-shot learning. The variational semantic memory accrues and stores semantic information for the probabilistic inference of class prototypes in a hierarchical Bayesian framework. The seman…

2020

Learning to Learn with Variational Information Bottleneck for Domain Generalization

ECCV 2020poster

Domain generalization models learn to generalize to previously unseen domains, but suffer from prediction uncertainty and domain shift. In this paper, we address both problems. We introduce a probabilistic meta-learning model for domain generalization, in which classifier parameters shared across do…

Cited by 196SourcePDFScholar
2020

On the Number of Linear Regions of Convolutional Neural Networks

ICML 2020poster

One fundamental problem in deep learning is understanding the outstanding performance of deep Neural Networks (NNs) in practice. One explanation for the superiority of NNs is that they can realize a large class of complicated functions, i.e., they have powerful expressivity. The expressivity of a Re…

Cited by 98SourcePDFScholar