activity
20232026
most citedThe Efficiency Spectrum of Large Language Models: An Algorithmic Survey

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

collaborators

17 papers

cs.AI2026

SMCEvolve: Principled Scientific Discovery via Sequential Monte Carlo Evolution

Jiachen Jiang, Huminhao Zhu, Zhihui Zhu

LLM-driven program evolution has emerged as a powerful tool for automated scientific discovery, yet existing frameworks offer no principled guide for designing their individual com…

cs.CL2026

LLMs Struggle with Abstract Meaning Comprehension More Than Expected

Hamoud Alhazmi, Jiachen Jiang

Understanding abstract meanings is crucial for advanced language comprehension. Despite extensive research, abstract words remain challenging due to their non-concrete, high-level…

cs.LG2026

Learning to Adapt: In-Context Learning Beyond Stationarity

Zhen Qin, Jiachen Jiang, Zhihui Zhu

Transformer models have become foundational across a wide range of scientific and engineering domains due to their strong empirical performance. A key capability underlying their s…

cs.AI2026

DeltaEvolve: Accelerating Scientific Discovery through Momentum-Driven Evolution

Jiachen Jiang, Tianyu Ding, Zhihui Zhu

LLM-driven evolutionary systems have shown promise for automated science discovery, yet existing approaches such as AlphaEvolve rely on full-code histories that are context-ineffic…

cs.CV2025

Improving Visual Discriminability of CLIP for Training-Free Open-Vocabulary Semantic Segmentation

Jinxin Zhou, Jiachen Jiang, Zhihui Zhu

Extending CLIP models to semantic segmentation remains challenging due to the misalignment between their image-level pre-training objectives and the pixel-level visual understandin…

cs.LG2025

In-Context Learning for Non-Stationary MIMO Equalization

Jiachen Jiang, Zhen Qin, Zhihui Zhu

Channel equalization is fundamental for mitigating distortions such as frequency-selective fading and inter-symbol interference. Unlike standard supervised learning approaches that…

cs.LG2025★ 1 cited

From Emergence to Control: Probing and Modulating Self-Reflection in Language Models

Xudong Zhu, Jiachen Jiang, Mohammad Mahdi Khalili +1

Self-reflection -- the ability of a large language model (LLM) to revisit, evaluate, and revise its own reasoning -- has recently emerged as a powerful behavior enabled by reinforc…

cs.LG2025

Understanding Task Vectors in In-Context Learning: Emergence, Functionality, and Limitations

Yuxin Dong, Jiachen Jiang, Zhihui Zhu +1

Task vectors offer a compelling mechanism for accelerating inference in in-context learning (ICL) by distilling task-specific information into a single, reusable representation. De…

cs.CV2025

ProCrop: Learning Aesthetic Image Cropping from Professional Compositions

Ke Zhang, Tianyu Ding, Jiachen Jiang +4

Image cropping is crucial for enhancing the visual appeal and narrative impact of photographs, yet existing rule-based and data-driven approaches often lack diversity or require an…

cs.CV2025★ 1 cited

Analyzing Fine-Grained Alignment and Enhancing Vision Understanding in Multimodal Language Models

Jiachen Jiang, Jinxin Zhou, Bo Peng +2

Achieving better alignment between vision embeddings and Large Language Models (LLMs) is crucial for enhancing the abilities of Multimodal LLMs (MLLMs), particularly for recent mod…

cs.CL2025

From Compression to Expression: A Layerwise Analysis of In-Context Learning

Jiachen Jiang, Yuxin Dong, Jinxin Zhou +1

In-context learning (ICL) enables large language models (LLMs) to adapt to new tasks without weight updates by learning from demonstration sequences. While ICL shows strong empiric…

eess.IV2025

Learning Where and What to Restore for Composite Image Restoration

Jiachen Jiang, Tianyu Ding, Ke Zhang +5

Real-world degraded images often contain multiple co-occurring degradation types, making composite image restoration fundamentally different from the single-degradation setting ass…

cs.HC2024

Analysis of the Causes of Car Accidents in the United States of America in 2023: Gauge People Understanding of Data Visualisation

Hamoud Alhazmi, Marcelo Morales, Jiachen Jiang +2

This paper presents a comprehensive examination of interactive data visualization tools and their efficacy in the context of United States car accident data for the year 2023. We d…

cs.AI2024

Tracing Representation Progression: Analyzing and Enhancing Layer-Wise Similarity

Jiachen Jiang, Jinxin Zhou, Zhihui Zhu

Analyzing the similarity of internal representations has been an important technique for understanding the behavior of deep neural networks. Most existing methods for analyzing the…

cs.CL2023★ 11 cited

The Efficiency Spectrum of Large Language Models: An Algorithmic Survey

Tianyu Ding, Tianyi Chen, Haidong Zhu +7

The rapid growth of Large Language Models (LLMs) has been a driving force in transforming various domains, reshaping the artificial general intelligence landscape. However, the inc…

cs.CV2023

DREAM: Diffusion Rectification and Estimation-Adaptive Models

Jinxin Zhou, Tianyu Ding, Tianyi Chen +4

We present DREAM, a novel training framework representing Diffusion Rectification and Estimation Adaptive Models, requiring minimal code changes (just three lines) yet significantl…

cs.LG2023

Generalized Neural Collapse for a Large Number of Classes

Jiachen Jiang, Jinxin Zhou, Peng Wang +4

Neural collapse provides an elegant mathematical characterization of learned last layer representations (a.k.a. features) and classifier weights in deep classification models. Such…