Search Results for author: Jiaxiang Li

Found 8 papers, 2 papers with code

SA-Attack: Speed-adaptive stealthy adversarial attack on trajectory prediction

1 code implementation19 Apr 2024 Huilin Yin, Jiaxiang Li, Pengju Zhen, Jun Yan

This method searches the sensitive region of trajectory prediction models and generates the adversarial trajectories by using the vehicle-following method and incorporating information about forthcoming trajectories.

Adversarial Attack Trajectory Prediction

Revisiting Zeroth-Order Optimization for Memory-Efficient LLM Fine-Tuning: A Benchmark

1 code implementation18 Feb 2024 Yihua Zhang, Pingzhi Li, Junyuan Hong, Jiaxiang Li, Yimeng Zhang, Wenqing Zheng, Pin-Yu Chen, Jason D. Lee, Wotao Yin, Mingyi Hong, Zhangyang Wang, Sijia Liu, Tianlong Chen

In the evolving landscape of natural language processing (NLP), fine-tuning pre-trained Large Language Models (LLMs) with first-order (FO) optimizers like SGD and Adam has become standard.

Benchmarking

Zeroth-order Riemannian Averaging Stochastic Approximation Algorithms

no code implementations25 Sep 2023 Jiaxiang Li, Krishnakumar Balasubramanian, Shiqian Ma

We present Zeroth-order Riemannian Averaging Stochastic Approximation (\texttt{Zo-RASA}) algorithms for stochastic optimization on Riemannian manifolds.

Stochastic Optimization

A Riemannian ADMM

no code implementations3 Nov 2022 Jiaxiang Li, Shiqian Ma, Tejes Srivastava

The iteration complexity of the proposed algorithm for obtaining an $\epsilon$-stationary point is analyzed under mild assumptions.

Dictionary Learning Riemannian optimization

Solving combinational optimization problems with evolutionary single-pixel imaging

no code implementations12 Oct 2022 Wei Huang, Jiaxiang Li, Shuming Jiao, Zibang Zhang

Single-pixel imaging (SPI) is a novel optical imaging technique by replacing the pixelated sensor array in a conventional camera with a single-pixel detector.

Federated Learning on Riemannian Manifolds

no code implementations12 Jun 2022 Jiaxiang Li, Shiqian Ma

This paper studies FL over Riemannian manifolds, which finds important applications such as federated PCA and federated kPCA.

Federated Learning

Playing Tic-Tac-Toe Games with Intelligent Single-pixel Imaging

no code implementations7 May 2022 Shuming Jiao, Jiaxiang Li, Wei Huang, Zibang Zhang

Single-pixel imaging (SPI) is a novel optical imaging technique by replacing a two-dimensional pixelated sensor with a single-pixel detector and pattern illuminations.

Stochastic Zeroth-order Riemannian Derivative Estimation and Optimization

no code implementations25 Mar 2020 Jiaxiang Li, Krishnakumar Balasubramanian, Shiqian Ma

We consider stochastic zeroth-order optimization over Riemannian submanifolds embedded in Euclidean space, where the task is to solve Riemannian optimization problem with only noisy objective function evaluations.

Riemannian optimization

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