no code implementations • 24 Apr 2024 • Bharat Yalavarthi, Arjun Ramesh Kaushik, Arun Ross, Vishnu Boddeti, Nalini Ratha
These features denote embeddings in latent space and are often stored as templates in a face recognition system.
1 code implementation • 9 Jul 2023 • Bhavin Jawade, Deen Dayal Mohan, Srirangaraj Setlur, Nalini Ratha, Venu Govindaraju
Contactless fingerprint matching using smartphone cameras can alleviate major challenges of traditional fingerprint systems including hygienic acquisition, portability and presentation attacks.
1 code implementation • 15 Aug 2022 • Luke Sperling, Nalini Ratha, Arun Ross, Vishnu Naresh Boddeti
This paper proposes a non-interactive end-to-end solution for secure fusion and matching of biometric templates using fully homomorphic encryption (FHE).
no code implementations • 5 Mar 2021 • Kanthi Sarpatwar, Karthik Nandakumar, Nalini Ratha, James Rayfield, Karthikeyan Shanmugam, Sharath Pankanti, Roman Vaculin
In this work, we propose a framework to transfer knowledge extracted by complex decision tree ensembles to shallow neural networks (referred to as DTNets) that are highly conducive to encrypted inference.
no code implementations • 30 Jan 2021 • Nayna Jain, Karthik Nandakumar, Nalini Ratha, Sharath Pankanti, Uttam Kumar
Using the CKKS scheme available in the open-source HElib library, we show that operational parameters of the chosen FHE scheme such as the degree of the cyclotomic polynomial, depth limitations of the underlying leveled HE scheme, and the computational precision parameters have a major impact on the design of the machine learning model (especially, the choice of the activation function and pooling method).
no code implementations • 2 Nov 2020 • Richa Singh, Mayank Vatsa, Nalini Ratha
Modern AI systems are reaping the advantage of novel learning methods.
no code implementations • 29 Jan 2019 • Michele Merler, Nalini Ratha, Rogerio S. Feris, John R. Smith
We expect face recognition to work equally accurately for every face.
Cultural Vocal Bursts Intensity Prediction Face Recognition +1
no code implementations • 30 Nov 2018 • Vidya Muthukumar, Tejaswini Pedapati, Nalini Ratha, Prasanna Sattigeri, Chai-Wah Wu, Brian Kingsbury, Abhishek Kumar, Samuel Thomas, Aleksandra Mojsilovic, Kush R. Varshney
Recent work shows unequal performance of commercial face classification services in the gender classification task across intersectional groups defined by skin type and gender.
no code implementations • 21 Nov 2018 • Maneet Singh, Richa Singh, Mayank Vatsa, Nalini Ratha, Rama Chellappa
While upcoming algorithms continue to achieve improved performance, a majority of the face recognition systems are susceptible to failure under disguise variations, one of the most challenging covariate of face recognition.
no code implementations • 2 Nov 2018 • Rishabh Garg, Yashasvi Baweja, Soumyadeep Ghosh, Mayank Vatsa, Richa Singh, Nalini Ratha
Mobile biometric approaches provide the convenience of secure authentication with an omnipresent technology.
no code implementations • 22 Feb 2018 • Gaurav Goswami, Nalini Ratha, Akshay Agarwal, Richa Singh, Mayank Vatsa
In this paper, we attempt to unravel three aspects related to the robustness of DNNs for face recognition: (i) assessing the impact of deep architectures for face recognition in terms of vulnerabilities to attacks inspired by commonly observed distortions in the real world that are well handled by shallow learning methods along with learning based adversaries; (ii) detecting the singularities by characterizing abnormal filter response behavior in the hidden layers of deep networks; and (iii) making corrections to the processing pipeline to alleviate the problem.