activity
20232026
collaborators

18 papers

cs.AI2026

From Local Mismatch to Global Impact: Optimizing Cache Reuse Policy for Efficient Diffusion

Xichen Ye, Yifan Wu, Zhikang Xie +3

Diffusion models have achieved dominant performance in visual generation but suffer from substantial inference overhead. While cache-based acceleration has emerged as a promising s…

cs.LG2026

OnlineCache: Learning Dynamic Caching Policies with Error Correction for Efficient Diffusion Inference

Zhikang Xie, Xichen Ye, Yifan Wu +5

Diffusion models have revolutionized generative tasks but incur high latency due to iterative denoising. While cache-based strategies accelerate inference by reusing intermediate f…

cs.LG2026

Distill on a Diet: Efficient Knowledge Distillation via Learnable Data Pruning

Yifan Wu, Yiqi Wang, Xichen Ye +5

Knowledge Distillation (KD) is widely used to obtain compact models for efficient inference in resource-constrained environments. Yet the computational overhead of the distillation…

cs.LG2026

Holistic Scaling Laws for Optimal Mixture-of-Experts Architecture Optimization

Weilin Wan, Jingtao Han, Weizhong Zhang +2

Scaling laws govern macroscopic resource allocation for LLMs, yet precise architectural configurations for Mixture-of-Experts (MoE) models remain guided by heuristics. Existing MoE…

cs.AI2025

Advanced Black-Box Tuning of Large Language Models with Limited API Calls

Zhikang Xie, Weilin Wan, Peizhu Gong +2

Black-box tuning is an emerging paradigm for adapting large language models (LLMs) to better achieve desired behaviors, particularly when direct access to model parameters is unava…

cs.LG2025

Explore and Establish Synergistic Effects Between Weight Pruning and Coreset Selection in Neural Network Training

Weilin Wan, Fan Yi, Weizhong Zhang +2

Modern deep neural networks rely heavily on massive model weights and training samples, incurring substantial computational costs. Weight pruning and coreset selection are two emer…

cs.LG2025

Computational Budget Should Be Considered in Data Selection

Weilin Wan, Weizhong Zhang, Cheng Jin

Data selection improves computational efficiency by choosing informative subsets of training samples. However, existing methods ignore the compute budget, treating data selection a…

cs.LG2025

Towards Robust Influence Functions with Flat Validation Minima

Xichen Ye, Yifan Wu, Weizhong Zhang +2

The Influence Function (IF) is a widely used technique for assessing the impact of individual training samples on model predictions. However, existing IF methods often fail to prov…

cs.LG2024

Optimized Gradient Clipping for Noisy Label Learning

Xichen Ye, Yifan Wu, Weizhong Zhang +3

Previous research has shown that constraining the gradient of loss function with respect to model-predicted probabilities can enhance the model robustness against noisy labels. The…

cs.CV2024

MagicFace: Training-free Universal-Style Human Image Customized Synthesis

Yibin Wang, Weizhong Zhang, Cheng Jin

Current human image customization methods leverage Stable Diffusion (SD) for its rich semantic prior. However, since SD is not specifically designed for human-oriented generation,…

cs.CV2024

ELiTe: Efficient Image-to-LiDAR Knowledge Transfer for Semantic Segmentation

Zhibo Zhang, Ximing Yang, Weizhong Zhang +1

Cross-modal knowledge transfer enhances point cloud representation learning in LiDAR semantic segmentation. Despite its potential, the \textit{weak teacher challenge} arises due to…

cs.CV2024

DreamText: High Fidelity Scene Text Synthesis

Yibin Wang, Weizhong Zhang, Honghui Xu +1

Scene text synthesis involves rendering specified texts onto arbitrary images. Current methods typically formulate this task in an end-to-end manner but lack effective character-le…

cs.CV2024

Robust Fine-tuning for Pre-trained 3D Point Cloud Models

Zhibo Zhang, Ximing Yang, Weizhong Zhang +1

This paper presents a robust fine-tuning method designed for pre-trained 3D point cloud models, to enhance feature robustness in downstream fine-tuned models. We highlight the limi…

cs.CV2024

PrimeComposer: Faster Progressively Combined Diffusion for Image Composition with Attention Steering

Yibin Wang, Weizhong Zhang, Jianwei Zheng +1

Image composition involves seamlessly integrating given objects into a specific visual context. Current training-free methods rely on composing attention weights from several sampl…

cs.CV2024

Out-of-Distribution Detection using Neural Activation Prior

Weilin Wan, Weizhong Zhang, Quan Zhou +2

Out-of-distribution detection (OOD) is a crucial technique for deploying machine learning models in the real world to handle the unseen scenarios. In this paper, we first propose a…

cs.CV2023

Point Cloud Part Editing: Segmentation, Generation, Assembly, and Selection

Kaiyi Zhang, Yang Chen, Ximing Yang +2

Ideal part editing should guarantee the diversity of edited parts, the fidelity to the remaining parts, and the quality of the results. However, previous methods do not disentangle…

cs.CV2023

Enhancing Object Coherence in Layout-to-Image Synthesis

Yibin Wang, Changhai Zhou, Honghui Xu

Layout-to-image synthesis is an emerging technique in conditional image generation. It aims to generate complex scenes, where users require fine control over the layout of the obje…

cs.CV2023

High-fidelity Person-centric Subject-to-Image Synthesis

Yibin Wang, Weizhong Zhang, Jianwei Zheng +1

Current subject-driven image generation methods encounter significant challenges in person-centric image generation. The reason is that they learn the semantic scene and person gen…