Search Results for author: Xun Zhang

Found 10 papers, 2 papers with code

Energy Efficiency Optimization Method of WDM Visible Light Communication System for Indoor Broadcasting Networks

no code implementations25 Mar 2024 Dayu Shi, Xun Zhang, Ziqi Liu, Xuanbang Chen, Jianghao Li, Xiaodong Liu, William Shieh

This paper introduces a novel approach to optimize energy efficiency in wavelength division multiplexing (WDM) Visible Light Communication (VLC) systems designed for indoor broadcasting networks.

Illumination-insensitive Binary Descriptor for Visual Measurement Based on Local Inter-patch Invariance

1 code implementation13 May 2023 Xinyu Lin, Yingjie Zhou, Xun Zhang, Yipeng Liu, Ce Zhu

Existing binary descriptors may not perform well for long-term visual measurement tasks due to their sensitivity to illumination variations.

Semantic Segmentation Visual Localization

Optimizing Indoor Navigation Policies For Spatial Distancing

no code implementations4 Jun 2022 Xun Zhang, Mathew Schwartz, Muhammad Usman, Petros Faloutsos, Mubbasir Kapadia

In this paper, we focus on the modification of policies that can lead to movement patterns and directional guidance of occupants, which are represented as agents in a 3D simulation engine.

Non-Point Visible Light Transmitter Localization based on Monocular Camera

no code implementations29 Jun 2021 Hongxiu Zhao, Xun Zhang, Faouzi Bader, Yue Zhang

Many algorithms for visible light positioning (VLP) localization do not consider the shapes of the transmitters, which leads to the impracticality of the algorithm and the low localization accuracy.

A Unifying Framework for Variance Reduction Algorithms for Finding Zeroes of Monotone Operators

no code implementations22 Jun 2019 Xun Zhang, William B. Haskell, Zhisheng Ye

This framework includes a number of existing deterministic and variance-reduced algorithms for function minimization as special cases, and it is also applicable to more general problems such as saddle-point problems and variational inequalities.

The Covert Helps Parse the Overt

no code implementations CONLL 2017 Xun Zhang, Weiwei Sun, Xiaojun Wan

This paper is concerned with whether deep syntactic information can help surface parsing, with a particular focus on empty categories.

Dependency Parsing

Cartoonish sketch-based face editing in videos using identity deformation transfer

no code implementations25 Mar 2017 Long Zhao, Fangda Han, Xi Peng, Xun Zhang, Mubbasir Kapadia, Vladimir Pavlovic, Dimitris N. Metaxas

We first recover the facial identity and expressions from the video by fitting a face morphable model for each frame.

Face Model

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