activity
20222026
most citedCALF: Aligning LLMs for Time Series Forecasting via Cross-modal Fine-Tuning

5 citations · 13 across the 17 of their papers we have counts for

collaborators

17 papers

cs.LG2026

Forecasting as Rendering: A 2D Gaussian Splatting Framework for Time Series Forecasting

Yixin Wang, Yifan Hu, Peiyuan Liu +3

Time series forecasting remains a challenging problem due to the intricate entanglement of intra-period fluctuations and inter-period trends. While recent advances have attempted t…

cs.LG2026

Analytical Results for Two Exponential Family Distributions in Hierarchical Dirichlet Processes

Naiqi Li

The Hierarchical Dirichlet Process (HDP) provides a flexible Bayesian nonparametric framework for modeling grouped data with a shared yet unbounded collection of mixture components…

cs.CV2025

ProcGen3D: Learning Neural Procedural Graph Representations for Image-to-3D Reconstruction

Xinyi Zhang, Daoyi Gao, Naiqi Li +1

We introduce ProcGen3D, a new approach for 3D content creation by generating procedural graph abstractions of 3D objects, which can then be decoded into rich, complex 3D assets. In…

cs.AI2025

Logic-of-Thought: Empowering Large Language Models with Logic Programs for Solving Puzzles in Natural Language

Naiqi Li, Peiyuan Liu, Zheng Liu +3

Solving puzzles in natural language poses a long-standing challenge in AI. While large language models (LLMs) have recently shown impressive capabilities in a variety of tasks, the…

cs.LG2025

Efficient Differentiable Approximation of Generalized Low-rank Regularization

Naiqi Li, Yuqiu Xie, Peiyuan Liu +3

Low-rank regularization (LRR) has been widely applied in various machine learning tasks, but the associated optimization is challenging. Directly optimizing the rank function under…

cs.CE2025★ 1 cited

FinTSB: A Comprehensive and Practical Benchmark for Financial Time Series Forecasting

Yifan Hu, Yuante Li, Peiyuan Liu +6

Financial time series (FinTS) record the behavior of human-brain-augmented decision-making, capturing valuable historical information that can be leveraged for profitable investmen…

cs.CE2025

FinMamba: Market-Aware Graph Enhanced Multi-Level Mamba for Stock Movement Prediction

Yifan Hu, Peiyuan Liu, Yuante Li +5

Recently, combining stock features with inter-stock correlations has become a common and effective approach for stock movement prediction. However, financial data presents signific…

cs.LG2025★ 1 cited

TimeFilter: Patch-Specific Spatial-Temporal Graph Filtration for Time Series Forecasting

Yifan Hu, Guibin Zhang, Peiyuan Liu +6

Time series forecasting methods generally fall into two main categories: Channel Independent (CI) and Channel Dependent (CD) strategies. While CI overlooks important covariate rela…

cs.CV2024★ 1 cited

Diffusion Prior Interpolation for Flexibility Real-World Face Super-Resolution

Jiarui Yang, Tao Dai, Yufei Zhu +3

Diffusion models represent the state-of-the-art in generative modeling. Due to their high training costs, many works leverage pre-trained diffusion models' powerful representations…

cs.CV2024

DNF: Unconditional 4D Generation with Dictionary-based Neural Fields

Xinyi Zhang, Naiqi Li, Angela Dai

While remarkable success has been achieved through diffusion-based 3D generative models for shapes, 4D generative modeling remains challenging due to the complexity of object defor…

cs.LG2024★ 4 cited

TimeBridge: Non-Stationarity Matters for Long-term Time Series Forecasting

Peiyuan Liu, Beiliang Wu, Yifan Hu +4

Non-stationarity poses significant challenges for multivariate time series forecasting due to the inherent short-term fluctuations and long-term trends that can lead to spurious re…

cs.CE2024

Generative Pre-Trained Diffusion Paradigm for Zero-Shot Time Series Forecasting

Jiarui Yang, Tao Dai, Naiqi Li +6

In recent years, generative pre-trained paradigms such as Large Language Models (LLMs) and Large Vision Models (LVMs) have achieved revolutionary advancements and widespread real-w…

cs.CV2024

LCM: Locally Constrained Compact Point Cloud Model for Masked Point Modeling

Yaohua Zha, Naiqi Li, Yanzi Wang +6

The pre-trained point cloud model based on Masked Point Modeling (MPM) has exhibited substantial improvements across various tasks. However, these models heavily rely on the Transf…

cs.LG2024★ 5 cited

CALF: Aligning LLMs for Time Series Forecasting via Cross-modal Fine-Tuning

Peiyuan Liu, Hang Guo, Tao Dai +5

Deep learning (e.g., Transformer) has been widely and successfully used in multivariate time series forecasting (MTSF). Unlike existing methods that focus on training models from a…

cs.CV2024

MB-RACS: Measurement-Bounds-based Rate-Adaptive Image Compressed Sensing Network

Yujun Huang, Bin Chen, Naiqi Li +3

Conventional compressed sensing (CS) algorithms typically apply a uniform sampling rate to different image blocks. A more strategic approach could be to allocate the number of meas…

cs.LG2023

WFTNet: Exploiting Global and Local Periodicity in Long-term Time Series Forecasting

Peiyuan Liu, Beiliang Wu, Naiqi Li +5

Recent CNN and Transformer-based models tried to utilize frequency and periodicity information for long-term time series forecasting. However, most existing work is based on Fourie…

cs.CV2022★ 1 cited

SIAD: Self-supervised Image Anomaly Detection System

Jiawei Li, Chenxi Lan, Xinyi Zhang +7

Recent trends in AIGC effectively boosted the application of visual inspection. However, most of the available systems work in a human-in-the-loop manner and can not provide long-t…