Search Results for author: Junhua Liu

Found 17 papers, 3 papers with code

The USTC-NELSLIP Offline Speech Translation Systems for IWSLT 2022

no code implementations IWSLT (ACL) 2022 Weitai Zhang, Zhongyi Ye, Haitao Tang, Xiaoxi Li, Xinyuan Zhou, Jing Yang, Jianwei Cui, Dan Liu, Junhua Liu, LiRong Dai

This paper describes USTC-NELSLIP’s submissions to the IWSLT 2022 Offline Speech Translation task, including speech translation of talks from English to German, English to Chinese and English to Japanese.

Translation

GauU-Scene V2: Assessing the Reliability of Image-Based Metrics with Expansive Lidar Image Dataset Using 3DGS and NeRF

no code implementations7 Apr 2024 Butian Xiong, Nanjun Zheng, Junhua Liu, Zhen Li

The experimental results on our multimodal dataset highlight the unreliability of current image-based metrics and reveal significant drawbacks in geometric reconstruction using the current Gaussian Splatting-based method, further illustrating the necessity of our dataset for assessing geometry reconstruction tasks.

SSIM

Optimizing Group Utility in Itinerary Planning: A Strategic and Crowd-Aware Approach

no code implementations4 Apr 2023 Junhua Liu, Kwan Hui Lim, Kristin L. Wood, Menglin Li

Itinerary recommendation is a complex sequence prediction problem with numerous real-world applications.

FSVVD: A Dataset of Full Scene Volumetric Video

no code implementations7 Mar 2023 Kaiyuan Hu, Yili Jin, Haowen Yang, Junhua Liu, Fangxin Wang

Recent years have witnessed a rapid development of immersive multimedia which bridges the gap between the real world and virtual space.

A Transformer-based Framework for POI-level Social Post Geolocation

no code implementations26 Oct 2022 Menglin Li, Kwan Hui Lim, Teng Guo, Junhua Liu

POI-level geo-information of social posts is critical to many location-based applications and services.

Photozilla: A Large-Scale Photography Dataset and Visual Embedding for 20 Photography Styles

1 code implementation21 Jun 2021 Trisha Singhal, Junhua Liu, Lucienne T. M. Blessing, Kwan Hui Lim

The dataset is then used to train 3 classification models to automatically classify the images into the relevant style which resulted in an accuracy of ~96%.

Urban Crowdsensing using Social Media: An Empirical Study on Transformer and Recurrent Neural Networks

no code implementations5 Dec 2020 Jerome Heng, Junhua Liu, Kwan Hui Lim

An important aspect of urban planning is understanding crowd levels at various locations, which typically require the use of physical sensors.

Event Detection

Designing learning experiences for online teaching and learning

no code implementations26 Oct 2020 Nachamma Sockalingam, Junhua Liu

Teaching is about constantly innovating strategies, ways and means to engage diverse students in active and meaningful learning.

EPIC30M: An Epidemics Corpus Of Over 30 Million Relevant Tweets

1 code implementation9 Jun 2020 Junhua Liu, Trisha Singhal, Lucienne T. M. Blessing, Kristin L. Wood, Kwan Hui Lim

In this paper, we present EPIC30M, a large-scale epidemic corpus that contains 30 millions micro-blog posts, i. e., tweets crawled from Twitter, from year 2006 to 2020.

Natural Language Understanding

CrisisBERT: a Robust Transformer for Crisis Classification and Contextual Crisis Embedding

no code implementations11 May 2020 Junhua Liu, Trisha Singhal, Lucienne T. M. Blessing, Kristin L. Wood, Kwan Hui Lim

However, none of the works perform crisis embedding and classification using state of the art attention-based deep neural networks models, such as Transformers and document-level contextual embeddings.

Classification General Classification

A Large-scale Industrial and Professional Occupation Dataset

1 code implementation25 Apr 2020 Junhua Liu, Yung Chuen Ng, Kwan Hui Lim

There has been growing interest in utilizing occupational data mining and analysis.

Strategic and Crowd-Aware Itinerary Recommendation

no code implementations12 Sep 2019 Junhua Liu, Kristin L. Wood, Kwan Hui Lim

There is a rapidly growing demand for itinerary planning in tourism but this task remains complex and difficult, especially when considering the need to optimize for queuing time and crowd levels for multiple users.

Learning Efficient Lexically-Constrained Neural Machine Translation with External Memory

no code implementations31 Jan 2019 Ya Li, Xinyu Liu, Dan Liu, Xueqiang Zhang, Junhua Liu

Recent years has witnessed dramatic progress of neural machine translation (NMT), however, the method of manually guiding the translation procedure remains to be better explored.

Machine Translation NMT +2

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