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Shoaib Ehsan

University of Essex, CSEE, Wivenhoe Park, Colchester CO4 3SQ, UK

SwitchHit: A Probabilistic, Complementarity-Based Switching System for Improved Visual Place Recognition in Changing Environments


Mar 01, 2022
Maria Waheed, Michael Milford, Klaus McDonald-Maier, Shoaib Ehsan


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Highly-Efficient Binary Neural Networks for Visual Place Recognition


Feb 24, 2022
Bruno Ferrarini, Michael Milford, Klaus D. McDonald-Maier, Shoaib Ehsan

* 8 pages, 10 figures, 2 tables 

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Using Machine Learning for Anomaly Detection on a System-on-Chip under Gamma Radiation


Jan 05, 2022
Eduardo Weber Wachter, Server Kasap, Sefki Kolozali, Xiaojun Zhai, Shoaib Ehsan, Klaus McDonald-Maier


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A Benchmark Comparison of Visual Place Recognition Techniques for Resource-Constrained Embedded Platforms


Sep 22, 2021
Rose Power, Mubariz Zaffar, Bruno Ferrarini, Michael Milford, Klaus McDonald-Maier, Shoaib Ehsan


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An Efficient and Scalable Collection of Fly-inspired Voting Units for Visual Place Recognition in Changing Environments


Sep 22, 2021
Bruno Arcanjo, Bruno Ferrarini, Michael Milford, Klaus D. McDonald-Maier, Shoaib Ehsan


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Sequence-Based Filtering for Visual Route-Based Navigation: Analysing the Benefits, Trade-offs and Design Choices


Mar 02, 2021
Mihnea-Alexandru Tomită, Mubariz Zaffar, Michael Milford, Klaus McDonald-Maier, Shoaib Ehsan

* 7 pages, currently under-review 

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Scene Retrieval for Contextual Visual Mapping


Feb 25, 2021
William H. B. Smith, Michael Milford, Klaus D. McDonald-Maier, Shoaib Ehsan

* 8 page paper on visual place recogniton and scene classification 

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Improving Visual Place Recognition Performance by Maximising Complementarity


Feb 16, 2021
Maria Waheed, Michael Milford, Klaus D. McDonald-Maier, Shoaib Ehsan


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Binary Neural Networks for Memory-Efficient and Effective Visual Place Recognition in Changing Environments


Oct 01, 2020
Bruno Ferrarini, Michael Milford, Klaus D. McDonald-Maier, Shoaib Ehsan


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ConvSequential-SLAM: A Sequence-based, Training-less Visual Place Recognition Technique for Changing Environments


Sep 28, 2020
Mihnea-Alexandru Tomită, Mubariz Zaffar, Michael Milford, Klaus McDonald-Maier, Shoaib Ehsan

* 10 pages, currently under-review 

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VPR-Bench: An Open-Source Visual Place Recognition Evaluation Framework with Quantifiable Viewpoint and Appearance Change


May 17, 2020
Mubariz Zaffar, Shoaib Ehsan, Michael Milford, David Flynn, Klaus McDonald-Maier

* Currently under-review, 25 pages, 16 figures 

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CAMAL: Context-Aware Multi-scale Attention framework for Lightweight Visual Place Recognition


Sep 18, 2019
Ahmad Khaliq, Shoaib Ehsan, Michael Milford, Klaus McDonald-Maier

* Submitted in ICRA 2020 

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Visual Place Recognition for Aerial Robotics: Exploring Accuracy-Computation Trade-off for Local Image Descriptors


Aug 01, 2019
Bruno Ferrarini, Maria Waheed, Sania Waheed, Shoaib Ehsan, Michael Milford, Klaus D. McDonald-Maier

* NASA/ESA Conference on Adaptive Hardware and Systems (AHS 2019) 

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Are State-of-the-art Visual Place Recognition Techniques any Good for Aerial Robotics?


May 22, 2019
Mubariz Zaffar, Ahmad Khaliq, Shoaib Ehsan, Michael Milford, Kostas Alexis, Klaus McDonald-Maier

* IEEE ICRA 2019 Workshop on Aerial Robotics 8 pages, 7 figures 

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DisplaceNet: Recognising Displaced People from Images by Exploiting Dominance Level


May 03, 2019
Grigorios Kalliatakis, Shoaib Ehsan, Maria Fasli, Klaus McDonald-Maier

* To be published in CVPR Workshop on Computer Vision for Global Challenges (CV4GC). arXiv admin note: substantial text overlap with arXiv:1902.03817 

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Assessing Capsule Networks With Biased Data


Apr 09, 2019
Bruno Ferrarini, Shoaib Ehsan, Adrien Bartoli, Aleš Leonardis, Klaus D. McDonald-Maier

* 15 pages, 4 figures, 2 tables, Capsule Networks, Evaluation, Biased Data 

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Levelling the Playing Field: A Comprehensive Comparison of Visual Place Recognition Approaches under Changing Conditions


Mar 21, 2019
Mubariz Zaffar, Ahmad Khaliq, Shoaib Ehsan, Michael Milford, Klaus McDonald-Maier

* 8 pages, 11 figures 

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Memorable Maps: A Framework for Re-defining Places in Visual Place Recognition


Mar 21, 2019
Mubariz Zaffar, Shoaib Ehsan, Michael Milford, Klaus Mcdonald Maier

* 13 pages, 25 figures, 1 table 

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GET-AID: Visual Recognition of Human Rights Abuses via Global Emotional Traits


Feb 11, 2019
Grigorios Kalliatakis, Shoaib Ehsan, Maria Fasli, Klaus D. McDonald-Maier

* 10 pages, 6 figures 

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A Holistic Visual Place Recognition Approach using Lightweight CNNs for Severe ViewPoint and Appearance Changes


Nov 14, 2018
Ahmad Khaliq, Shoaib Ehsan, Michael Milford, Klaus McDonald-Maier

* Under review at IEEE Transactions on Robotics (T-RO) 

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MAT-CNN-SOPC: Motionless Analysis of Traffic Using Convolutional Neural Networks on System-On-a-Programmable-Chip


Aug 14, 2018
Somdip Dey, Grigorios Kalliatakis, Sangeet Saha, Amit Kumar Singh, Shoaib Ehsan, Klaus McDonald-Maier

* 2018 NASA/ESA Conference on Adaptive Hardware and Systems (AHS 2018) 
* 6 pages, 3 figures, 2 tables 

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Weather Classification: A new multi-class dataset, data augmentation approach and comprehensive evaluations of Convolutional Neural Networks


Aug 01, 2018
Jose Carlos Villarreal Guerra, Zeba Khanam, Shoaib Ehsan, Rustam Stolkin, Klaus McDonald-Maier


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Sensors, SLAM and Long-term Autonomy: A Review


Jul 04, 2018
Mubariz Zaffar, Shoaib Ehsan, Rustam Stolkin, Klaus McDonald Maier

* 6 pages, 7 figures 

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Exploring object-centric and scene-centric CNN features and their complementarity for human rights violations recognition in images


May 12, 2018
Grigorios Kalliatakis, Shoaib Ehsan, Ales Leonardis, Klaus McDonald-Maier

* 19 pages, 13 figures; Submitted to PLOS ONE 

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Material Classification in the Wild: Do Synthesized Training Data Generalise Better than Real-World Training Data?


Nov 09, 2017
Grigorios Kalliatakis, Anca Sticlaru, George Stamatiadis, Shoaib Ehsan, Ales Leonardis, Juergen Gall, Klaus D. McDonald-Maier

* accepted for publication in VISAPP 2018. arXiv admin note: text overlap with arXiv:1703.04101 

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Performance Characterization of Image Feature Detectors in Relation to the Scene Content Utilizing a Large Image Database


Oct 13, 2017
Bruno Ferrarini, Shoaib Ehsan, Ales Leonardis, Naveed Ur Rehman, Klaus D. McDonald-Maier

* Extended version of the conference paper available at http://ieeexplore.ieee.org/abstract/document/7314191/?reload=true 

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A Paradigm Shift: Detecting Human Rights Violations Through Web Images


Mar 30, 2017
Grigorios Kalliatakis, Shoaib Ehsan, Klaus D. McDonald-Maier

* Position paper, 8 pages, 3 figures 

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Detection of Human Rights Violations in Images: Can Convolutional Neural Networks help?


Mar 16, 2017
Grigorios Kalliatakis, Shoaib Ehsan, Maria Fasli, Ales Leonardis, Juergen Gall, Klaus D. McDonald-Maier

* In Proceedings of the 12th International Conference on Computer Vision Theory and Applications (VISAPP 2017), 8 pages 

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