no code implementations • ECCV 2020 • Daksh Thapar, Chetan Arora, Aditya Nigam
In this work, we create a novel kind of privacy attack by extracting the wearer’s gait profile, a well known biometric signature, from such optical flow in the egocentric videos.
no code implementations • 13 Nov 2024 • Geetanjali Sharma, Abhishek Tandon, Gaurav Jaswal, Aditya Nigam, Raghavendra Ramachandra
Furthermore, we examined the generalization capabilities of these systems across different iris colors and devices, finding that while training on diverse datasets enhances recognition performance, the degree of improvement is contingent on the specific model and device used.
no code implementations • 12 Nov 2024 • Anoushkrit Goel, Bipanjit Singh, Ankita Joshi, Ranjeet Ranjan Jha, Chirag Ahuja, Aditya Nigam, Arnav Bhavsar
White matter tract segmentation is crucial for studying brain structural connectivity and neurosurgical planning.
no code implementations • 8 Nov 2024 • Ankita Joshi, Ashutosh Sharma, Anoushkrit Goel, Ranjeet Ranjan Jha, Chirag Ahuja, Arnav Bhavsar, Aditya Nigam
Fiber tractography is a cornerstone of neuroimaging, enabling the detailed mapping of the brain's white matter pathways through diffusion MRI.
1 code implementation • 28 Aug 2024 • Abhishek Tandon, Geetanjali Sharma, Gaurav Jaswal, Aditya Nigam, Raghavendra Ramachandra
In addition, we assess the utility of synthetically generated forehead-crease images using a forehead-crease verification system (FHCVS).
no code implementations • 24 Mar 2024 • Geetanjali Sharma, Gaurav Jaswal, Aditya Nigam, Raghavendra Ramachandra
The results demonstrate the superior performance of FH-SSTNet for forehead-based user verification, confirming its effectiveness in identity authentication.
no code implementations • CVPR 2022 • Daksh Thapar, Aditya Nigam, Chetan Arora
On the other hand DNNs are known to be susceptible to Adversarial Attacks (AAs) which add im-perceptible noise to the input.
no code implementations • 27 Dec 2021 • Ranjeet Ranjan Jha, Abhishek Bhardwaj, Devin Garg, Arnav Bhavsar, Aditya Nigam
Resting-state fMRI is commonly used for diagnosing Autism Spectrum Disorder (ASD) by using network-based functional connectivity.
no code implementations • ICCV 2021 • Daksh Thapar, Aditya Nigam, Chetan Arora
In a more damaging scenario, one can even recognize a wearer using hand gestures from egocentric videos, or identify a wearer in third person videos such as from a surveillance camera.
no code implementations • 7 Dec 2020 • Avantika Singh, Chirag Vashist, Pratyush Gaurav, Aditya Nigam, Rameshwar Pratap
Here, in this paper, we propose an iris indexing scheme using real-valued deep iris features binarized to iris bar codes (IBC) compatible with the indexing structure.
no code implementations • 8 Oct 2020 • Aman Kamboj, Rajneesh Rani, Aditya Nigam, Ranjeet Ranjan Jha
It has been observed that the proposed models UESegNet-1 and UESegNet-2 outperformed the FRCNN and SSD at higher values of IOUs i. e. an accuracy of 100\% is achieved at IOU 0. 5 on majority of the databases.
1 code implementation • 22 Jun 2020 • Preethi Srinivasan, Prabhjot Kaur, Aditya Nigam, Arnav Bhavsar
Long acquisition time (AQT) due to series acquisition of multi-modality MR images (especially T2 weighted images (T2WI) with longer AQT), though beneficial for disease diagnosis, is practically undesirable.
no code implementations • 11 Nov 2019 • Abhigyan Khaund, Daksh Thapar, Aditya Nigam
We use a Generative Adversarial Network for the task of retrieving the garment that the person in the image was wearing.
1 code implementation • ? 2019 • Aayush Mishra, Suraj Kumar, Aditya Nigam, Saiful Islam
Traditional image steganography techniques hide the secret image intohigh-frequency regions of the cover images.
no code implementations • 13 Aug 2019 • Geetika Arora, Ranjeet Ranjan Jha, Akash Agrawal, Kamlesh Tiwari, Aditya Nigam
Singular points of a fingerprint image are special locations having high curvature properties.
no code implementations • 2 Apr 2019 • Daksh Thapar, Gaurav Jaswal, Aditya Nigam
In distinguished experiments, the individual performance of finger, as well as weighted sum score level fusion of major knuckle, minor knuckle, and nail modalities have been computed, justifying our assumption to consider full finger as biometrics instead of its counterparts.
no code implementations • 26 Mar 2019 • Anshul Thakur, Daksh Thapar, Padmanabhan Rajan, Aditya Nigam
Experimental results also confirm the superiority of the triplet loss over the cross-entropy loss in low training data conditions
no code implementations • 18 Dec 2018 • Avantika Singh, Gaurav Jaswal, Aditya Nigam
At present spoofing attacks via which biometric system is potentially vulnerable against a fake biometric characteristic, introduces a great challenge to recognition performance.
no code implementations • 15 Dec 2018 • Daksh Thapar, Gaurav Jaswal, Aditya Nigam, Vivek Kanhangad
Designing an end-to-end deep learning network to match the biometric features with limited training samples is an extremely challenging task.
2 code implementations • 13 Dec 2018 • Avantika Singh, Ashish Arora, Shreya Hasmukh Patel, Gaurav Jaswal, Aditya Nigam
In this work, we have proposed a secure cancelable finger dorsal template generation network (learning domain specific features) secured via.
no code implementations • 18 Jun 2018 • Aditya Sharma, Prabhjot Kaur, Aditya Nigam, Arnav Bhavsar
Increasing demand for high field magnetic resonance (MR) scanner indicates the need for high-quality MR images for accurate medical diagnosis.
no code implementations • 28 Dec 2017 • Shreyas Malakarjun Patil, Aditya Nigam, Arnav Bhavsar, Chiranjoy Chattopadhyay
In this paper, we propose a novel deep learning architecture combining stacked Bi-directional LSTM and LSTMs with the Siamese network architecture for segmentation of brain fibers, obtained from tractography data, into anatomically meaningful clusters.
no code implementations • 14 Oct 2017 • Avantika Singh, Vishesh Mistry, Dhananjay Yadav, Aditya Nigam
The proposed architecture results are quite promising and outperforms the available state-of-the-art lens detection algorithms.
no code implementations • 14 Oct 2017 • Tushar Gupta, Shreyas Malakarjun Patil, Mukkaram Tailor, Daksh Thapar, Aditya Nigam
The segregation of brain fiber tractography data into distinct and anatomically meaningful clusters can help to comprehend the complex brain structure and early investigation and management of various neural disorders.
no code implementations • 13 Oct 2017 • Daksh Thapar, Divyansh Aggarwal, Punjal Agarwal, Aditya Nigam
It is a 2-stage network, in which we have a classification network that initially identifies the viewing point angle.
no code implementations • 26 Sep 2017 • Ranjeet Ranjan Jha, Daksh Thapar, Shreyas Malakarjun Patil, Aditya Nigam
In this paper, we have proposed a novel end-to-end, Unified Biometric ROI Segmentation Network (UBSegNet), for extracting region of interest from five different biometric traits viz.