Search Results for author: Flora Salim

Found 17 papers, 7 papers with code

Resolution-Agnostic Transformer-based Climate Downscaling

no code implementations22 Nov 2024 Declan Curran, Hira Saleem, Sanaa Hobeichi, Flora Salim

Understanding future weather changes at regional and local scales is crucial for planning and decision-making, particularly in the context of extreme weather events, as well as for broader applications in agriculture, insurance, and infrastructure development.

Decision Making Weather Forecasting

PACER: Physics Informed Uncertainty Aware Climate Emulator

no code implementations29 Oct 2024 Hira Saleem, Flora Salim, Cormac Purcell

Climate models serve as critical tools for evaluating the effects of climate change and projecting future climate scenarios.

Weather Forecasting

Enhancing Spatio-temporal Quantile Forecasting with Curriculum Learning: Lessons Learned

no code implementations18 Jun 2024 Du Yin, Jinliang Deng, Shuang Ao, Zechen Li, Hao Xue, Arian Prabowo, Renhe Jiang, Xuan Song, Flora Salim

Furthermore, our framework incorporates a stacking fusion module to combine diverse information from three types of curriculum learning, resulting in a strong and thorough learning process.

XXLTraffic: Expanding and Extremely Long Traffic Dataset for Ultra-Dynamic Forecasting Challenges

1 code implementation18 Jun 2024 Du Yin, Hao Xue, Arian Prabowo, Shuang Ao, Flora Salim

To bridge this gap, we present XXLTraffic, the largest available public traffic dataset with the longest timespan and increasing number of sensor nodes over the multiple years observed in the data, curated to support research in ultra-dynamic forecasting.

Time Series Time Series Forecasting

T-JEPA: A Joint-Embedding Predictive Architecture for Trajectory Similarity Computation

no code implementations13 Jun 2024 Lihuan Li, Hao Xue, Yang song, Flora Salim

Trajectory similarity computation is an essential technique for analyzing moving patterns of spatial data across various applications such as traffic management, wildlife tracking, and location-based services.

Contrastive Learning Data Augmentation +3

Spectraformer: A Unified Random Feature Framework for Transformer

2 code implementations24 May 2024 Duke Nguyen, Aditya Joshi, Flora Salim

We identify the need for a systematic comparison of different combinations of weight matrices and component functions for attention learning in Transformer.

STC-ViT: Spatio Temporal Continuous Vision Transformer for Weather Forecasting

no code implementations28 Feb 2024 Hira Saleem, Flora Salim, Cormac Purcell

STC-ViT incorporates the continuous time Neural ODE layers with multi-head attention mechanism to learn the continuous weather evolution over time.

Computational Efficiency Weather Forecasting

Multimodal Trajectory Prediction: A Survey

no code implementations21 Feb 2023 Renhao Huang, Hao Xue, Maurice Pagnucco, Flora Salim, Yang song

Trajectory prediction is an important task to support safe and intelligent behaviours in autonomous systems.

Survey Trajectory Prediction

How Robust is your Fair Model? Exploring the Robustness of Diverse Fairness Strategies

1 code implementation11 Jul 2022 Edward Small, Wei Shao, Zeliang Zhang, Peihan Liu, Jeffrey Chan, Kacper Sokol, Flora Salim

Recent studies have shown that robustness (the ability for a model to perform well on unseen data) plays a significant role in the type of strategy that should be used when approaching a new problem and, hence, measuring the robustness of these strategies has become a fundamental problem.

Decision Making Fairness +1

Long-term Spatio-temporal Forecasting via Dynamic Multiple-Graph Attention

1 code implementation23 Apr 2022 Wei Shao, Zhiling Jin, Shuo Wang, Yufan Kang, Xiao Xiao, Hamid Menouar, Zhaofeng Zhang, Junshan Zhang, Flora Salim

To address these issues, we construct new graph models to represent the contextual information of each node and the long-term spatio-temporal data dependency structure.

Graph Attention Graph Neural Network +1

Cross-model Fairness: Empirical Study of Fairness and Ethics Under Model Multiplicity

2 code implementations14 Mar 2022 Kacper Sokol, Meelis Kull, Jeffrey Chan, Flora Salim

While data-driven predictive models are a strictly technological construct, they may operate within a social context in which benign engineering choices entail implicit, indirect and unexpected real-life consequences.

Ethics Fairness

GCCN: Global Context Convolutional Network

no code implementations22 Oct 2021 Ali Hamdi, Flora Salim, Du Yong Kim

These global contextual features are defined as local maxima pixels with high visual sharpness in each patch.

Few-Shot Image Classification Few-Shot Learning

Signature-Graph Networks

no code implementations22 Oct 2021 Ali Hamdi, Flora Salim, Du Yong Kim, Xiaojun Chang

SGN constructs unique undirected graphs for each image based on the CNN feature maps.

Image Classification Representation Learning

Spatiotemporal Data Mining: A Survey on Challenges and Open Problems

no code implementations31 Mar 2021 Ali Hamdi, Khaled Shaban, Abdelkarim Erradi, Amr Mohamed, Shakila Khan Rumi, Flora Salim

Specifically, we investigate the challenging issues in regards to spatiotemporal relationships, interdisciplinarity, discretisation, and data characteristics.

Clustering Epidemiology +2

DroTrack: High-speed Drone-based Object Tracking Under Uncertainty

1 code implementation2 May 2020 Ali Hamdi, Flora Salim, Du Yong Kim

The combination of the FCM segmentation and the angular scaling increased DroTrack precision by up to $9\%$ and decreased the centre location error by $162$ pixels on average.

drone-based object tracking Object +4

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