collaborators

6 papers

cs.LG2026

Flash-WAM: Modality-Aware Distillation for World Action Models

Arman Akbari, Ci Zhang, Arash Akbari +6

World-action models (WAMs) jointly generate future video and robot actions through iterative diffusion, achieving strong performance on manipulation benchmarks but requiring tens o…

cs.CV2026

Roots Beneath the Cut: Uncovering the Risk of Concept Revival in Pruning-Based Unlearning for Diffusion Models

Ci Zhang, Zhaojun Ding, Chence Yang +7

Pruning-based unlearning has recently emerged as a fast, training-free, and data-independent approach to remove undesired concepts from diffusion models. It promises high efficienc…

cs.LG2026

Advancing time series completion via RFAMoE and MDFF

Ci Zhang, Huayu Li, Changdi Yang +6

Recent studies show that using diffusion models for time series signal reconstruction holds great promise. However, such approaches remain largely unexplored in the domain of medic…

cs.LG2025

Rethinking the Potential of Layer Freezing for Efficient DNN Training

Chence Yang, Ci Zhang, Lei Lu +11

With the growing size of deep neural networks and datasets, the computational costs of training have significantly increased. The layer-freezing technique has recently attracted gr…

cs.LG2025

Perturbation-efficient Zeroth-order Optimization for Hardware-friendly On-device Training

Qitao Tan, Sung-En Chang, Rui Xia +10

Zeroth-order (ZO) optimization is an emerging deep neural network (DNN) training paradigm that offers computational simplicity and memory savings. However, this seemingly promising…

cs.AI2025

Smarter Together: Combining Large Language Models and Small Models for Physiological Signals Visual Inspection

Huayu Li, Zhengxiao He, Xiwen Chen +8

Large language models (LLMs) have shown promising capabilities in visually interpreting medical time-series data. However, their general-purpose design can limit domain-specific pr…