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Goal oriented autonomous operation of space rovers has been known to increase scientific output of a mission. In this work we present an algorithm, called the RoI Prioritised Sampling (RPS), that prioritises Region-of-Interests (RoIs) in an…

Image and Video Processing · Electrical Eng. & Systems 2022-04-21 Protim Bhattacharjee , Martin Burger , Anko Boerner , Veniamin I. Morgenshtern

Recent advances of deep learning have achieved remarkable performances in various challenging computer vision tasks. Especially in object localization, deep convolutional neural networks outperform traditional approaches based on extraction…

Computer Vision and Pattern Recognition · Computer Science 2016-02-05 Sangheum Hwang , Hyo-Eun Kim

Predicting the next pickup location of individual users is a fundamental problem in intelligent mobility systems, which requires modeling personalized travel behaviors under complex spatiotemporal contexts. Existing methods mainly learn…

Information Retrieval · Computer Science 2026-01-22 Lingyu Zhang , Pengfei Xu , Rui Ban , Zhenchao Zhang , Songtao Liu , Yan Wang , Yunhai Wang

Recent works on deep non-linear spatially selective filters demonstrate exceptional enhancement performance with computationally lightweight architectures for stationary speakers of known directions. However, to maintain this performance in…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-08 Jakob Kienegger , Alina Mannanova , Huajian Fang , Timo Gerkmann

This paper addresses an uplink localization problem in which the base station (BS) aims to locate a remote user with the aid of reconfigurable intelligent surface (RIS). This paper proposes a strategy in which the user transmits pilots over…

Signal Processing · Electrical Eng. & Systems 2023-10-23 Zhongze Zhang , Tao Jiang , Wei Yu

Next Point-of-Interest (POI) recommendation is of great value for both location-based service providers and users. Recently Recurrent Neural Networks (RNNs) have been proved to be effective on sequential recommendation tasks. However,…

Information Retrieval · Computer Science 2018-06-19 Pengpeng Zhao , Haifeng Zhu , Yanchi Liu , Zhixu Li , Jiajie Xu , Victor S. Sheng

Next Point-of-Interest (POI) recommendation plays a crucial role in location-based services by predicting users' future mobility patterns. Existing methods typically compute a single user representation from historical trajectories and use…

Information Retrieval · Computer Science 2026-04-24 Zhenyu Yu , Chunlei Meng , Yangchen Zeng , Mohd Yamani Idna Idris , Shuigeng Zhou

We present a content-based retrieval method for long surveillance videos both for wide-area (Airborne) as well as near-field imagery (CCTV). Our goal is to retrieve video segments, with a focus on detecting objects moving on routes, that…

Computer Vision and Pattern Recognition · Computer Science 2014-05-02 Greg Castanon , Mohamed Elgharib , Venkatesh Saligrama , Pierre-Marc Jodoin

With the increasing popularity of location-based social media applications and devices that automatically tag generated content with locations, large repositories of collaborative geo-referenced data are appearing on-line. Efficiently…

Information Retrieval · Computer Science 2012-04-09 Leandro Balby Marinho , Cláudio de Souza Baptista , Thomas Sandholm , Iury Nunes , Caio Nóbrega , Jordão Araújo

Recent years have witnessed the increasing popularity of Location-based Social Network (LBSN) services, which provides unparalleled opportunities to build personalized Point-of-Interest (POI) recommender systems. Existing POI recommendation…

Machine Learning · Computer Science 2022-01-04 Dongbo Xi , Fuzhen Zhuang , Yanchi Liu , Hengshu Zhu , Pengpeng Zhao , Chang Tan , Qing He

Trust Region Policy Optimization (TRPO) and Proximal Policy Optimization (PPO) are among the most successful policy gradient approaches in deep reinforcement learning (RL). While these methods achieve state-of-the-art performance across a…

Machine Learning · Computer Science 2020-06-22 Ahmed Touati , Amy Zhang , Joelle Pineau , Pascal Vincent

Location prediction is of great importance in location-based applications for the construction of the smart city. To our knowledge, existing models for location prediction focus on users' preferences on POIs from the perspective of the…

Social and Information Networks · Computer Science 2021-06-30 Xixi Li1 , Ruimin Hu , Zheng Wang , Toshihiko Yamasaki

Deep networks realize complex mappings that are often understood by their locally linear behavior at or around points of interest. For example, we use the derivative of the mapping with respect to its inputs for sensitivity analysis, or to…

Machine Learning · Computer Science 2019-07-09 Guang-He Lee , David Alvarez-Melis , Tommi S. Jaakkola

User trajectory data is becoming increasingly accessible due to the prevalence of GPS-equipped devices such as smartphones. Many existing studies focus on querying trajectories that are similar to each other in their entirety. We observe…

Databases · Computer Science 2021-09-21 Yanchuan Chang , Jianzhong Qi , Egemen Tanin , Xingjun Ma , Hanan Samet

Visual-based localization has made significant progress, yet its performance often drops in large-scale, outdoor, and long-term settings due to factors like lighting changes, dynamic scenes, and low-texture areas. These challenges degrade…

Robotics · Computer Science 2025-09-11 Sai Puneeth Reddy Gottam , Haoming Zhang , Eivydas Keras

Many real world tasks where Large Language Models (LLMs) can be used require spatial reasoning, like Point of Interest (POI) recommendation and itinerary planning. However, on their own LLMs lack reliable spatial reasoning capabilities,…

Computation and Language · Computer Science 2025-06-05 Nicole R Schneider , Nandini Ramachandran , Kent O'Sullivan , Hanan Samet

Accurate prediction of the next point of interest (POI) within human mobility trajectories is essential for location-based services, as it enables more timely and personalized recommendations. In particular, with the rise of these…

Machine Learning · Computer Science 2025-12-23 Ruichen Tan , Jiawei Xue , Kota Tsubouchi , Takahiro Yabe , Satish V. Ukkusuri

The paper presents a distributed algorithm, called Prediction-based Opportunistic Sensing for Resilient and Efficient Sensor Networks (POSE.R), where the sensor nodes utilize predictions of the targets positions to probabilistically control…

Systems and Control · Electrical Eng. & Systems 2021-07-28 James Z. Hare , Junnan Song , Shalabh Gupta , Thomas A. Wettergren

Contemporary deep learning models have demonstrated promising results across various applications within seismology and earthquake engineering. These models rely primarily on utilizing ground motion records for tasks such as earthquake…

Signal Processing · Electrical Eng. & Systems 2025-05-06 Ümit Mert Çağlar , Baris Yilmaz , Melek Türkmen , Erdem Akagündüz , Salih Tileylioglu

Understanding human motion is crucial for accurate pedestrian trajectory prediction. Conventional methods typically rely on supervised learning, where ground-truth labels are directly optimized against predicted trajectories. This amplifies…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yizhou Huang , Yihua Cheng , Kezhi Wang