Search Results for author: Shaojie Xu

Found 7 papers, 1 papers with code

Traversing the Local Polytopes of ReLU Neural Networks

no code implementations AAAI Workshop AdvML 2022 Shaojie Xu, Joel Vaughan, Jie Chen, Aijun Zhang, Agus Sudjianto

Our polytope traversing algorithm can be adapted to a wide range of applications related to robustness and interpretability.

Traversing the Local Polytopes of ReLU Neural Networks: A Unified Approach for Network Verification

no code implementations17 Nov 2021 Shaojie Xu, Joel Vaughan, Jie Chen, Aijun Zhang, Agus Sudjianto

Although neural networks (NNs) with ReLU activation functions have found success in a wide range of applications, their adoption in risk-sensitive settings has been limited by the concerns on robustness and interpretability.

Supervised Linear Dimension-Reduction Methods: Review, Extensions, and Comparisons

no code implementations9 Sep 2021 Shaojie Xu, Joel Vaughan, Jie Chen, Agus Sudjianto, Vijayan Nair

Principal component analysis (PCA) is a well-known linear dimension-reduction method that has been widely used in data analysis and modeling.

Dimensionality Reduction

Risk-Sensitive Compact Decision Trees for Autonomous Execution in Presence of Simulated Market Response

no code implementations5 Jun 2019 Svitlana Vyetrenko, Shaojie Xu

We demonstrate an application of risk-sensitive reinforcement learning to optimizing execution in limit order book markets.

Q-Learning reinforcement-learning +1

Appearance-based Gesture recognition in the compressed domain

no code implementations19 Feb 2019 Shaojie Xu, Anvesha Amaravati, Justin Romberg, Arijit Raychowdhury

We propose a novel appearance-based gesture recognition algorithm using compressed domain signal processing techniques.

Computational Efficiency Gesture Recognition

Fast Compressive Sensing Recovery Using Generative Models with Structured Latent Variables

1 code implementation19 Feb 2019 Shaojie Xu, Sihan Zeng, Justin Romberg

Deep learning models have significantly improved the visual quality and accuracy on compressive sensing recovery.

Compressive Sensing

A Light-powered, Always-On, Smart Camera with Compressed Domain Gesture Detection

no code implementations26 May 2016 Anvesha A, Shaojie Xu, Ningyuan Cao, Justin Romberg, Arijit Raychowdhury

In this paper we propose an energy-efficient camera-based gesture recognition system powered by light energy for "always on" applications.

Dynamic Time Warping Gesture Recognition +1

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