Search Results for author: Kien Nguyen

Found 19 papers, 4 papers with code

AG-ReID.v2: Bridging Aerial and Ground Views for Person Re-identification

1 code implementation5 Jan 2024 Huy Nguyen, Kien Nguyen, Sridha Sridharan, Clinton Fookes

To address this, we introduce AG-ReID. v2, a dataset specifically designed for person Re-ID in mixed aerial and ground scenarios.

Attribute Person Re-Identification

A Survey on Physics Informed Reinforcement Learning: Review and Open Problems

no code implementations5 Sep 2023 Chayan Banerjee, Kien Nguyen, Clinton Fookes, Maziar Raissi

We present a thorough review of the literature on incorporating physics information, as known as physics priors, in reinforcement learning approaches, commonly referred to as physics-informed reinforcement learning (PIRL).

reinforcement-learning

General-Purpose Multimodal Transformer meets Remote Sensing Semantic Segmentation

1 code implementation7 Jul 2023 Nhi Kieu, Kien Nguyen, Sridha Sridharan, Clinton Fookes

In this work, we investigate the performance of PerceiverIO, one in the general-purpose multimodal family, in the remote sensing semantic segmentation domain.

Earth Observation Semantic Segmentation

Physics-Informed Computer Vision: A Review and Perspectives

no code implementations29 May 2023 Chayan Banerjee, Kien Nguyen, Clinton Fookes, George Karniadakis

We present a systematic literature review of formulation and approaches to computer vision tasks guided by physical laws.

Inductive Bias Physics-informed machine learning

Physical Adversarial Attacks for Surveillance: A Survey

no code implementations1 May 2023 Kien Nguyen, Tharindu Fernando, Clinton Fookes, Sridha Sridharan

In particular, we propose a framework to analyze physical adversarial attacks and provide a comprehensive survey of physical adversarial attacks on four key surveillance tasks: detection, identification, tracking, and action recognition under this framework.

Action Recognition

Aerial-Ground Person Re-ID

1 code implementation15 Mar 2023 Huy Nguyen, Kien Nguyen, Sridha Sridharan, Clinton Fookes

Our dataset presents a novel elevated-viewpoint challenge for person re-ID due to the significant difference in person appearance across these cameras.

Video-Based Person Re-Identification

Deep Learning for Iris Recognition: A Survey

no code implementations12 Oct 2022 Kien Nguyen, Hugo Proença, Fernando Alonso-Fernandez

In this survey, we provide a comprehensive review of more than 200 papers, technical reports, and GitHub repositories published over the last 10 years on the recent developments of deep learning techniques for iris recognition, covering broad topics on algorithm designs, open-source tools, open challenges, and emerging research.

Iris Recognition

Reliable Geofence Activation with Sparse and Sporadic Location Measurements: Extended Version

no code implementations1 Apr 2022 Kien Nguyen, John Krumm

Complicating this prediction approach is the fact that another location measurement could appear at any time, making the prediction redundant and wasteful.

The State of Aerial Surveillance: A Survey

no code implementations9 Jan 2022 Kien Nguyen, Clinton Fookes, Sridha Sridharan, YingLi Tian, Feng Liu, Xiaoming Liu, Arun Ross

The rapid emergence of airborne platforms and imaging sensors are enabling new forms of aerial surveillance due to their unprecedented advantages in scale, mobility, deployment and covert observation capabilities.

Gaussian Process for Trajectories

no code implementations7 Oct 2021 Kien Nguyen, John Krumm, Cyrus Shahabi

The Gaussian process is a powerful and flexible technique for interpolating spatiotemporal data, especially with its ability to capture complex trends and uncertainty from the input signal.

Gaussian Processes

In Defense of Scene Graphs for Image Captioning

1 code implementation ICCV 2021 Kien Nguyen, Subarna Tripathi, Bang Du, Tanaya Guha, Truong Q. Nguyen

Several studies have noted that the naive use of scene graphs from a black-box scene graph generator harms image captioning performance and that scene graph-based captioning models have to incur the overhead of explicit use of image features to generate decent captions.

Human-Object Interaction Detection Image Captioning

Adversarial Attack on Facial Recognition using Visible Light

no code implementations25 Nov 2020 Morgan Frearson, Kien Nguyen

This paper presents a final report for an adversarial attack using visible light on facial recognition systems.

Adversarial Attack object-detection +2

Complex-valued Iris Recognition Network

no code implementations23 Nov 2020 Kien Nguyen, Clinton Fookes, Sridha Sridharan, Arun Ross

Unlike the problem of general object recognition, where real-valued neural networks can be used to extract pertinent features, iris recognition depends on the extraction of both phase and magnitude information from the input iris texture in order to better represent its biometric content.

Iris Recognition Object Recognition

Spatial Privacy Pricing: The Interplay between Privacy, Utility and Price in Geo-Marketplaces

no code implementations25 Aug 2020 Kien Nguyen, John Krumm, Cyrus Shahabi

Users concerned about privacy may want to charge more for data that pinpoints their location accurately, but may charge less for data that is more vague.

Decision Making

Constrained Design of Deep Iris Networks

no code implementations23 May 2019 Kien Nguyen, Clinton Fookes, Sridha Sridharan

On the other hand, it allows us to investigate the optimality of the classic IrisCode and recent iris networks.

Iris Recognition

Semantic Correspondence: A Hierarchical Approach

no code implementations10 Jun 2018 Akila Pemasiri, Kien Nguyen, Sridha Sridhara, and Clinton Fookes

Localizing the search space by semantically matching object-level correspondence, our method robustly handles large deformations of objects.

Semantic correspondence

Sparse Over-complete Patch Matching

no code implementations9 Jun 2018 Akila Pemasiri, Kien Nguyen, Sridha Sridharan, Clinton Fookes

State -of-the-art patch matching techniques take image patches as input to a convolutional neural network to extract the patch features and evaluate their similarity.

Patch Matching

Meta Transfer Learning for Facial Emotion Recognition

no code implementations25 May 2018 Dung Nguyen, Kien Nguyen, Sridha Sridharan, Iman Abbasnejad, David Dean, Clinton Fookes

The use of deep learning techniques for automatic facial expression recognition has recently attracted great interest but developed models are still unable to generalize well due to the lack of large emotion datasets for deep learning.

Facial Emotion Recognition Facial Expression Recognition +2

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