activity
20242026
collaborators

5 papers

cs.LG2026

Gradient Regularized Natural Gradients

Satya Prakash Dash, Hossein Abdi, Wei Pan +2

Gradient regularization (GR) has been shown to improve the generalizability of trained models. While Natural Gradient Descent has been shown to accelerate optimization in the initi…

cs.LG2025

Bayesian Natural Gradient Fine-Tuning of CLIP Models via Kalman Filtering

Hossein Abdi, Mingfei Sun, Wei Pan

Vision-language pre-trained models, such as CLIP, have established new benchmarks in multimodal data mining. In such models, few-shot fine-tuning is a major challenge to achieve op…

cs.AI2025

From Grunts to Lexicons: Emergent Language from Cooperative Foraging

Maytus Piriyajitakonkij, Rujikorn Charakorn, Weicheng Tao +4

Language is a powerful communicative and cognitive tool. It enables humans to express thoughts, share intentions, and reason about complex phenomena. Despite our fluency in using a…

cs.LG2024

LoKO: Low-Rank Kalman Optimizer for Online Fine-Tuning of Large Models

Hossein Abdi, Mingfei Sun, Andi Zhang +2

Training large models with millions or even billions of parameters from scratch incurs substantial computational costs. Parameter Efficient Fine-Tuning (PEFT) methods, particularly…

cs.RO2024

DroneDiffusion: Robust Quadrotor Dynamics Learning with Diffusion Models

Avirup Das, Rishabh Dev Yadav, Sihao Sun +3

An inherent fragility of quadrotor systems stems from model inaccuracies and external disturbances. These factors hinder performance and compromise the stability of the system, mak…