Search Results for author: Xuan Luo

Found 16 papers, 7 papers with code

Memory efficient location recommendation through proximity-aware representation

no code implementations10 Oct 2023 Xuan Luo, Mingqing Huang, Rui Lv, Hui Zhao

Sequential location recommendation plays a huge role in modern life, which can enhance user experience, bring more profit to businesses and assist in government administration.

Sequential Recommendation

Bot or Human? Detecting ChatGPT Imposters with A Single Question

1 code implementation10 May 2023 Hong Wang, Xuan Luo, Weizhi Wang, Xifeng Yan

Large language models like ChatGPT have recently demonstrated impressive capabilities in natural language understanding and generation, enabling various applications including translation, essay writing, and chit-chatting.

Language Modelling Large Language Model +2

STOA-VLP: Spatial-Temporal Modeling of Object and Action for Video-Language Pre-training

no code implementations20 Feb 2023 Weihong Zhong, Mao Zheng, Duyu Tang, Xuan Luo, Heng Gong, Xiaocheng Feng, Bing Qin

Although large-scale video-language pre-training models, which usually build a global alignment between the video and the text, have achieved remarkable progress on various downstream tasks, the idea of adopting fine-grained information during the pre-training stage is not well explored.

Language Modelling Object +5

Consistent Style Transfer

1 code implementation6 Jan 2022 Xuan Luo, Zhen Han, Lingkang Yang, Lingling Zhang

Recently, attentional arbitrary style transfer methods have been proposed to achieve fine-grained results, which manipulates the point-wise similarity between content and style features for stylization.

Style Transfer

Data Pricing in Machine Learning Pipelines

no code implementations18 Aug 2021 Zicun Cong, Xuan Luo, Pei Jian, Feida Zhu, Yong Zhang

We also investigate pricing in the step of collaborative training of machine learning models, and overview pricing machine learning models for end users in the step of machine learning deployment.

BIG-bench Machine Learning

Giant $c$-axis nonlinear anomalous Hall effect in T$_d$-MoTe$_2$ and WTe$_2$

no code implementations12 Mar 2021 Archana Tiwari, Fangchu Chen, Shazhou Zhong, Elizabeth Drueke, Jahyun Koo, Austin Kaczmarek, Cong Xiao, Jingjing Gao, Xuan Luo, Qian Niu, Yuping Sun, Binghai Yan, Liuyan Zhao, Adam W. Tsen

While the anomalous Hall effect can manifest even without an external magnetic field, time reversal symmetry is nonetheless still broken by the internal magnetization of the sample.

Mesoscale and Nanoscale Physics

Roles of the Narrow Electronic Band near the Fermi Level in 1$T$-TaS$_2$-Related Layered Materials

no code implementations11 Mar 2021 Chenhaoping Wen, Jingjing Gao, Yuan Xie, Qing Zhang, Pengfei Kong, Jinghui Wang, Yilan Jiang, Xuan Luo, Jun Li, Wenjian Lu, Yu-Ping Sun, Shichao Yan

4$H_{\rm b}$-TaS$_2$ is a superconducting compound with alternating 1$T$-TaS$_2$ and 1$H$-TaS$_2$ layers, where the 1$H$-TaS$_2$ layer has weak charge density wave (CDW) pattern and reduces the CDW coupling between the adjacent 1$T$-TaS$_2$ layers.

Mesoscale and Nanoscale Physics Materials Science

RL-CSDia: Representation Learning of Computer Science Diagrams

no code implementations10 Mar 2021 Shaowei Wang, Lingling Zhang, Xuan Luo, Yi Yang, Xin Hu, Jun Liu

Another type of diagrams such as from Computer Science is composed of graphics containing complex topologies and relations, and research on this type of diagrams is still blank.

Question Answering Representation Learning +1

Time-Travel Rephotography

1 code implementation22 Dec 2020 Xuan Luo, Xuaner Zhang, Paul Yoo, Ricardo Martin-Brualla, Jason Lawrence, Steven M. Seitz

Many historical people were only ever captured by old, faded, black and white photos, that are distorted due to the limitations of early cameras and the passage of time.

Colorization Denoising +1

Consistent Video Depth Estimation

3 code implementations30 Apr 2020 Xuan Luo, Jia-Bin Huang, Richard Szeliski, Kevin Matzen, Johannes Kopf

We present an algorithm for reconstructing dense, geometrically consistent depth for all pixels in a monocular video.

Depth Estimation Monocular Reconstruction

KeystoneDepth: Visualizing History in 3D

no code implementations21 Aug 2019 Xuan Luo, Yanmeng Kong, Jason Lawrence, Ricardo Martin-Brualla, Steve Seitz

This paper introduces the largest and most diverse collection of rectified stereo image pairs to the research community, KeystoneDepth, consisting of tens of thousands of stereographs of historical people, events, objects, and scenes between 1860 and 1963.

Purine: A bi-graph based deep learning framework

1 code implementation19 Dec 2014 Min Lin, Shuo Li, Xuan Luo, Shuicheng Yan

In this paper, we introduce a novel deep learning framework, termed Purine.

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