1 code implementation • 23 Mar 2024 • Nishant Kumar, Ziyan Tao, Jaikirat Singh, Yang Li, Peiwen Sun, Binghui Zhao, Stefan Gumhold
Image fusion typically employs non-invertible neural networks to merge multiple source images into a single fused image.
1 code implementation • 20 Aug 2023 • Masoud Taghikhah, Nishant Kumar, Siniša Šegvić, Abouzar Eslami, Stefan Gumhold
Previous attempts to address this challenge involved training image classifiers through contrastive learning using actual outlier data or synthesizing outliers for self-supervised learning.
1 code implementation • 11 Aug 2023 • Alexander Timans, Nina Wiedemann, Nishant Kumar, Ye Hong, Martin Raubal
We compare two epistemic and two aleatoric UQ methods on both temporal and spatio-temporal transfer tasks, and find that meaningful uncertainty estimates can be recovered.
no code implementations • 4 Jul 2023 • Nishant Kumar, Lukas Krause, Thomas Wondrak, Sven Eckert, Kerstin Eckert, Stefan Gumhold
Electrolysis is crucial for eco-friendly hydrogen production, but gas bubbles generated during the process hinder reactions, reduce cell efficiency, and increase energy consumption.
1 code implementation • 17 Apr 2023 • Elias Werner, Nishant Kumar, Matthias Lieber, Sunna Torge, Stefan Gumhold, Wolfgang E. Nagel
Hence, we propose and explain performance engineering for unsupervised concept drift detection that reflects on computational complexities, benchmarking, and performance analysis.
1 code implementation • CVPR 2023 • Nishant Kumar, Siniša Šegvić, Abouzar Eslami, Stefan Gumhold
However, this strategy does not guarantee that the synthesized outlier features will have a low likelihood according to the other class-conditional Gaussians.
1 code implementation • 7 Jul 2022 • Tobias Hänel, Nishant Kumar, Dmitrij Schlesinger, Mengze Li, Erdem Ünal, Abouzar Eslami, Stefan Gumhold
The performance of deep neural networks for image recognition tasks such as predicting a smiling face is known to degrade with under-represented classes of sensitive attributes.
no code implementations • 16 Jun 2022 • Nishtha Madaan, Prateek Chaudhury, Nishant Kumar, Srikanta Bedathur
In experiments, we compare with existing methods and show that our model makes significantly more accurate predictions of the word embedding than the baselines.
no code implementations • 29 Sep 2021 • Andrew Liu, Jacky Y. Zhang, Nishant Kumar, Dakshita Khurana, Oluwasanmi O Koyejo
Federated averaging, the most popular aggregation approach in federated learning, is known to be vulnerable to failures and adversarial updates from clients that wish to disrupt training.
1 code implementation • 10 Jun 2021 • Nishant Kumar, Pia Hanfeld, Michael Hecht, Michael Bussmann, Stefan Gumhold, Nico Hoffmann
Normalizing flows are prominent deep generative models that provide tractable probability distributions and efficient density estimation.
no code implementations • 3 Mar 2021 • Juan C. Petit, Nishant Kumar, Stefan Luding, Matthias Sperl
We find that the bulk modulus $K$ jumps at $X^{*}_{\mathrm S}(\delta = 0. 15) \approx 0. 21$, at the maximum jamming density, where both particle species mix most efficiently, while for $X_{\mathrm S} < X^{*}_{\mathrm S}$ $K$ is decoupled in two scenarios as a result of the first and second jamming transition.
Soft Condensed Matter
no code implementations • 19 Feb 2021 • Nishant Kumar, Martin Raubal
In this survey, we present the current state of deep learning applications in the tasks related to detection, prediction, and alleviation of congestion.
1 code implementation • 18 Jan 2021 • Nikunj Gupta, G Srinivasaraghavan, Swarup Kumar Mohalik, Nishant Kumar, Matthew E. Taylor
This paper considers the case where there is a single, powerful, \emph{central agent} that can observe the entire observation space, and there are multiple, low-powered \emph{local agents} that can only receive local observations and are not able to communicate with each other.
Multi-agent Reinforcement Learning reinforcement-learning +2
1 code implementation • 6 Dec 2020 • Nishant Kumar, Stefan Gumhold
However, it is challenging to analyze the reliability of these CNNs for the image fusion tasks since no groundtruth is available.
1 code implementation • 13 Oct 2020 • Deevashwer Rathee, Mayank Rathee, Nishant Kumar, Nishanth Chandran, Divya Gupta, Aseem Rastogi, Rahul Sharma
We present CrypTFlow2, a cryptographic framework for secure inference over realistic Deep Neural Networks (DNNs) using secure 2-party computation.
1 code implementation • 10 Jun 2020 • Nishant Kumar, Jimi B. Oke, Bat-hen Nahmias-Biran
Given the growth of urbanization and emerging pandemic threats, more sophisticated models are required to understand disease propagation and investigate the impacts of intervention strategies across various city types.
Physics and Society Populations and Evolution
1 code implementation • 26 Jan 2020 • Nishant Kumar, Nico Hoffmann, Matthias Kirsch, Stefan Gumhold
The medical image fusion combines two or more modalities into a single view while medical image translation synthesizes new images and assists in data augmentation.
4 code implementations • 16 Sep 2019 • Nishant Kumar, Mayank Rathee, Nishanth Chandran, Divya Gupta, Aseem Rastogi, Rahul Sharma
Finally, to provide malicious secure MPC protocols, our third component, Aramis, is a novel technique that uses hardware with integrity guarantees to convert any semi-honest MPC protocol into an MPC protocol that provides malicious security.
1 code implementation • 11 Aug 2019 • Nishant Kumar, Nico Hoffmann, Martin Oelschlägel, Edmund Koch, Matthias Kirsch, Stefan Gumhold
Multimodal medical image fusion helps in combining contrasting features from two or more input imaging modalities to represent fused information in a single image.
no code implementations • 23 Apr 2019 • Shashank Kotyan, Nishant Kumar, Pankaj Kumar Sahu, Venkanna Udutalapally
Today, many of the home automation systems deployed are mostly controlled by humans.
no code implementations • 23 Apr 2019 • Shashank Kotyan, Nishant Kumar, Pankaj Kumar Sahu, Venkanna Udutalapally
In this paper, we propose an aid system developed using object detection and depth perceivement to navigate a person without dashing into an object.
no code implementations • ECCV 2018 • Archan Ray, Nishant Kumar, Avishek Shaw, Dipti Prasad Mukherjee
We present an end-to-end solution for recognizing merchandise displayed in the shelves of a supermarket.
no code implementations • 29 Dec 2016 • Ankita Mangal, Nishant Kumar
This paper describes our approach to the Bosch production line performance challenge run by Kaggle. com.