Search Results for author: Ajita Rattani

Found 20 papers, 1 papers with code

Deep Learning Models for Arrhythmia Classification Using Stacked Time-frequency Scalogram Images from ECG Signals

no code implementations1 Dec 2023 Parshuram N. Aarotale, Ajita Rattani

Due to the infeasibility of manual examination of large volumes of ECG data, this paper aims to propose an automated AI based system for ECG-based arrhythmia classification.

Classification

PatchBMI-Net: Lightweight Facial Patch-based Ensemble for BMI Prediction

no code implementations29 Nov 2023 Parshuram N. Aarotale, Twyla Hill, Ajita Rattani

However, the high computational requirement of these heavy-weight CNN models limits their deployment to resource-constrained mobile devices, thus deterring weight monitoring using smartphones.

MIS-AVoiDD: Modality Invariant and Specific Representation for Audio-Visual Deepfake Detection

no code implementations3 Oct 2023 Vinaya Sree Katamneni, Ajita Rattani

In this paper, we tackle the problem at the representation level to aid the fusion of audio and visual streams for multimodal deepfake detection.

DeepFake Detection Face Swapping

Is Facial Recognition Biased at Near-Infrared Spectrum As Well?

no code implementations31 Oct 2022 Anoop Krishnan, Brian Neas, Ajita Rattani

Interestingly, experimental results suggest equitable face recognition performance across gender and race at the NIR spectrum.

Face Recognition

Deep Generative Views to Mitigate Gender Classification Bias Across Gender-Race Groups

no code implementations17 Aug 2022 Sreeraj Ramachandran, Ajita Rattani

Published studies have suggested the bias of automated face-based gender classification algorithms across gender-race groups.

 Ranked #1 on Fairness on MORPH (using extra training data)

Classification Facial Attribute Classification +2

GBDF: Gender Balanced DeepFake Dataset Towards Fair DeepFake Detection

1 code implementation21 Jul 2022 Aakash Varma Nadimpalli, Ajita Rattani

To this aim, we manually annotated existing popular deepfake datasets with gender labels and evaluated the performance differential of current deepfake detectors across gender.

DeepFake Detection Face Swapping +2

An Examination of Bias of Facial Analysis based BMI Prediction Models

no code implementations21 Apr 2022 Hera Siddiqui, Ajita Rattani, Karl Ricanek, Twyla Hill

This is the reason for the least error rate of the facial analysis-based BMI prediction tool for Black Males and highest for White Females.

Age Classification Face Recognition +2

Compact CNN Models for On-device Ocular-based User Recognition in Mobile Devices

no code implementations11 Oct 2021 Ali Almadan, Ajita Rattani

A number of studies have demonstrated the efficacy of deep learning convolutional neural network (CNN) models for ocular-based user recognition in mobile devices.

Knowledge Distillation Network Pruning

An Experimental Evaluation on Deepfake Detection using Deep Face Recognition

no code implementations4 Oct 2021 Sreeraj Ramachandran, Aakash Varma Nadimpalli, Ajita Rattani

Experimental investigations on challenging Celeb-DF and FaceForensics++ deepfake datasets suggest the efficacy of deep face recognition in identifying deepfakes over two-class CNNs and the ocular modality.

Binary Classification DeepFake Detection +2

Investigating Fairness of Ocular Biometrics Among Young, Middle-Aged, and Older Adults

no code implementations4 Oct 2021 Anoop Krishnan, Ali Almadan, Ajita Rattani

A number of studies suggest bias of the face biometrics, i. e., face recognition and soft-biometric estimation methods, across gender, race, and age groups.

Age Classification Face Recognition +2

Towards On-Device Face Recognition in Body-worn Cameras

no code implementations7 Apr 2021 Ali Almadan, Ajita Rattani

Face recognition technology in body-worn cameras is used for surveillance, situational awareness, and keeping the officer safe.

Face Identification Face Recognition +1

AILearn: An Adaptive Incremental Learning Model for Spoof Fingerprint Detection

no code implementations29 Dec 2020 Shivang Agarwal, Ajita Rattani, C. Ravindranath Chowdary

AILearn is an adaptive incremental learning model which adapts to the features of the ``live'' and ``spoof'' fingerprint images and efficiently recognizes the new spoof fingerprints as well as the known spoof fingerprints when the new data is available.

Incremental Learning

Probing Fairness of Mobile Ocular Biometrics Methods Across Gender on VISOB 2.0 Dataset

no code implementations17 Nov 2020 Anoop Krishnan, Ali Almadan, Ajita Rattani

To this aim, VISOB $2. 0$ dataset, along with its gender annotations, is used for the fairness analysis of ocular biometrics methods based on ResNet-50, MobileNet-V2 and lightCNN-29 models.

Attribute Classification +3

AI-based BMI Inference from Facial Images: An Application to Weight Monitoring

no code implementations15 Oct 2020 Hera Siddiqui, Ajita Rattani, Dakshina Ranjan Kisku, Tanner Dean

Self-diagnostic image-based methods for healthy weight monitoring is gaining increased interest following the alarming trend of obesity.

Management

Understanding Fairness of Gender Classification Algorithms Across Gender-Race Groups

no code implementations24 Sep 2020 Anoop Krishnan, Ali Almadan, Ajita Rattani

For instance, for all the algorithms used, Black females (Black race in general) always obtained the least accuracy rates.

Attribute Fairness +2

BWCFace: Open-set Face Recognition using Body-worn Camera

no code implementations24 Sep 2020 Ali Almadan, Anoop Krishnan, Ajita Rattani

To this aim, the contribution of this work is two-fold: (1) collection of a dataset called BWCFace consisting of a total of 178K facial images of 132 subjects captured using the body-worn camera in in-door and daylight conditions, and (2) open-set evaluation of the latest deep-learning-based Convolutional Neural Network (CNN) architectures combined with five different loss functions for face identification, on the collected dataset.

Face Identification Face Recognition

Face Identification by SIFT-based Complete Graph Topology

no code implementations2 Feb 2010 Dakshina Ranjan Kisku, Ajita Rattani, Enrico Grosso, Massimo Tistarelli

This paper presents a new face identification system based on Graph Matching Technique on SIFT features extracted from face images.

Face Identification Face Recognition +4

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