no code implementations • 5 Aug 2024 • Sepehr Dehdashtian, Ruozhen He, Yi Li, Guha Balakrishnan, Nuno Vasconcelos, Vicente Ordonez, Vishnu Naresh Boddeti
Computer vision systems have witnessed rapid progress over the past two decades due to multiple advances in the field.
no code implementations • 24 Jun 2024 • Doga Dikbayir, Abdel Alsnayyan, Vishnu Naresh Boddeti, Balasubramaniam Shanker, Hasan Metin Aktulga
The inverse scattering problem is of critical importance in a number of fields, including medical imaging, sonar, sensing, non-destructive evaluation, and several others.
no code implementations • CVPR 2024 • Sepehr Dehdashtian, Bashir Sadeghi, Vishnu Naresh Boddeti
and 2) How can we numerically quantify these trade-offs from data for a desired prediction task and demographic attribute of interest?
no code implementations • 22 Mar 2024 • Sepehr Dehdashtian, Lan Wang, Vishnu Naresh Boddeti
However, owing to the nature of their training process, these models have the potential to 1) propagate or amplify societal biases in the training data and 2) learn to rely on spurious features.
no code implementations • 23 Feb 2024 • Xuyang Li, Hamed Bolandi, Mahdi Masmoudi, Talal Salem, Nizar Lajnef, Vishnu Naresh Boddeti
Results from numerical simulations and experiments indicate that incorporating the mechanical characteristics into the autoencoder allows for up to a 35% improvement in the detection and localization of minor damage over a standard autoencoder.
1 code implementation • 12 Oct 2023 • Wei Ao, Vishnu Naresh Boddeti
Lastly, AutoFHE accelerates inference and improves accuracy by $103\times$ and 3. 46%, respectively, compared to CNNs under TFHE.
no code implementations • 21 Aug 2023 • Gautam Sreekumar, Vishnu Naresh Boddeti
Spurious correlations occur when a model learns unreliable features from the data and are a well-known drawback of data-driven learning.
no code implementations • 12 Aug 2023 • Zhichao Lu, Chuntao Ding, Shangguang Wang, Ran Cheng, Felix Juefei-Xu, Vishnu Naresh Boddeti
However, the limited resources available on LEO satellites contrast with the demands of resource-intensive CNN models, necessitating the adoption of ground-station server assistance for training and updating these models.
no code implementations • CVPR 2023 • Chuntao Ding, Zhichao Lu, Shangguang Wang, Ran Cheng, Vishnu Naresh Boddeti
Our key idea is to employ non-learnable primitives to extract a diverse set of task-agnostic features and recombine them into a shared branch common to all tasks and explicit task-specific branches reserved for each task.
no code implementations • 3 Aug 2023 • Vishnu Naresh Boddeti, Gautam Sreekumar, Arun Ross
Our capacity estimates indicate that (a) under ArcFace representation at a false acceptance rate (FAR) of 0. 1%, StyleGAN3 and DCFace have a capacity upper bound of $1. 43\times10^6$ and $1. 190\times10^4$, respectively; (b) the capacity reduces drastically as we lower the desired FAR with an estimate of $1. 796\times10^4$ and $562$ at FAR of 1% and 10%, respectively, for StyleGAN3; (c) there is no discernible disparity in the capacity w. r. t gender; and (d) for some generative models, there is an appreciable disparity in the capacity w. r. t age.
no code implementations • 31 Jul 2023 • Stephen Kelly, Daniel S. Park, Xingyou Song, Mitchell McIntire, Pranav Nashikkar, Ritam Guha, Wolfgang Banzhaf, Kalyanmoy Deb, Vishnu Naresh Boddeti, Jie Tan, Esteban Real
We evolve modular policies that tune their model parameters and alter their inference algorithm on-the-fly to adapt to sudden environmental changes.
no code implementations • 15 Feb 2023 • Zhichao Lu, Chuntao Ding, Felix Juefei-Xu, Vishnu Naresh Boddeti, Shangguang Wang, Yun Yang
The high performance and small number of model parameters and FLOPs of TFormer are attributed to the proposed hybrid layer and the proposed partially connected feed-forward network (PCS-FFN).
no code implementations • CVPR 2023 • Lan Wang, Gaurav Mittal, Sandra Sajeev, Ye Yu, Matthew Hall, Vishnu Naresh Boddeti, Mei Chen
We present ProTeGe as the first method to perform VTG-based untrimmed pretraining to bridge the gap between trimmed pretrained backbones and downstream VTG tasks.
1 code implementation • CVPR 2023 • Shihua Huang, Zhichao Lu, Kalyanmoy Deb, Vishnu Naresh Boddeti
Then we design a robust residual block, dubbed RobustResBlock, and a compound scaling rule, dubbed RobustScaling, to distribute depth and width at the desired FLOP count.
1 code implementation • 21 Dec 2022 • Shihua Huang, Zhichao Lu, Kalyanmoy Deb, Vishnu Naresh Boddeti
In contrast, little attention was devoted to analyzing the role of architectural elements (such as topology, depth, and width) on adversarial robustness.
no code implementations • 19 Dec 2022 • Hamed Bolandi, Gautam Sreekumar, Xuyang Li, Nizar Lajnef, Vishnu Naresh Boddeti
Therefore, to reduce computational cost while preserving accuracy, a deep learning model, Neuro-DynaStress, is proposed to predict the entire sequence of stress distribution based on finite element simulations using a partial differential equation (PDE) solver.
no code implementations • 28 Nov 2022 • Hamed Bolandi, Gautam Sreekumar, Xuyang Li, Nizar Lajnef, Vishnu Naresh Boddeti
Therefore, to reduce computational cost while maintaining accuracy, a Physics Informed Neural Network (PINN), PINN-Stress model, is proposed to predict the entire sequence of stress distribution based on Finite Element simulations using a partial differential equation (PDE) solver.
1 code implementation • 26 Aug 2022 • Xuyang Li, Hamed Bolandi, Talal Salem, Nizar Lajnef, Vishnu Naresh Boddeti
Structural monitoring for complex built environments often suffers from mismatch between design, laboratory testing, and actual built parameters.
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).
1 code implementation • CVPR 2022 • Lan Wang, Vishnu Naresh Boddeti
Second, we apply NCINet to identify the causal relations between image representations of different pairs of attributes with known and unknown causal relations between the labels.
1 code implementation • CVPR 2022 • Rahul Dey, Vishnu Naresh Boddeti
Furthermore, while a plurality of 3D reconstructions is plausible in the occluded regions, existing approaches are limited to generating only a single solution.
1 code implementation • 12 Sep 2021 • Bashir Sadeghi, Lan Wang, Vishnu Naresh Boddeti
Adversarial representation learning aims to learn data representations for a target task while removing unwanted sensitive information at the same time.
no code implementations • ICCV 2021 • Kuldeep Purohit, Maitreya Suin, A. N. Rajagopalan, Vishnu Naresh Boddeti
However, we hypothesize that such spatially rigid processing is suboptimal for simultaneously restoring the degraded pixels as well as reconstructing the clean regions of the image.
1 code implementation • ECCV 2020 • Zhichao Lu, Kalyanmoy Deb, Erik Goodman, Wolfgang Banzhaf, Vishnu Naresh Boddeti
In this paper, we propose an efficient NAS algorithm for generating task-specific models that are competitive under multiple competing objectives.
Ranked #17 on Neural Architecture Search on ImageNet
2 code implementations • 12 May 2020 • Zhichao Lu, Gautam Sreekumar, Erik Goodman, Wolfgang Banzhaf, Kalyanmoy Deb, Vishnu Naresh Boddeti
At the same time, the architecture search and transfer is orders of magnitude more efficient than existing NAS methods.
Ranked #1 on Neural Architecture Search on STL-10
Fine-Grained Image Classification Neural Architecture Search +1
1 code implementation • CVPR 2020 • Zhichao Lu, Kalyanmoy Deb, Vishnu Naresh Boddeti
To overcome this limitation, we present MUXConv, a layer that is designed to increase the flow of information by progressively multiplexing channel and spatial information in the network, while mitigating computational complexity.
Ranked #4 on Pneumonia Detection on ChestX-ray14
1 code implementation • 27 Mar 2020 • Joshua J. Engelsma, Anil K. Jain, Vishnu Naresh Boddeti
We present a method to search for a probe (or query) image representation against a large gallery in the encrypted domain.
1 code implementation • 3 Dec 2019 • Zhichao Lu, Ian Whalen, Yashesh Dhebar, Kalyanmoy Deb, Erik Goodman, Wolfgang Banzhaf, Vishnu Naresh Boddeti
While existing approaches have achieved competitive performance in image classification, they are not well suited to problems where the computational budget is limited for two reasons: (1) the obtained architectures are either solely optimized for classification performance, or only for one deployment scenario; (2) the search process requires vast computational resources in most approaches.
Ranked #1 on Pneumonia Detection on ChestX-ray14
1 code implementation • ICCV 2019 • Bashir Sadeghi, Runyi Yu, Vishnu Naresh Boddeti
Numerical experiments on UCI, Extended Yale B and CIFAR-100 datasets indicate that, (a) practically, our solution is ideal for "imparting" provable invariance to any biased pre-trained data representation, and (b) empirically, the trade-off between utility and invariance provided by our solution is comparable to iterative minimax optimization of existing deep neural network based approaches.
1 code implementation • CVPR 2019 • Proteek Chandan Roy, Vishnu Naresh Boddeti
Image recognition systems have demonstrated tremendous progress over the past few decades thanks, in part, to our ability of learning compact and robust representations of images.
1 code implementation • 19 Dec 2018 • Rahul Dey, Felix Juefei-Xu, Vishnu Naresh Boddeti, Marios Savvides
We present a new stage-wise learning paradigm for training generative adversarial networks (GANs).
3 code implementations • CVPR 2018 • Felix Juefei-Xu, Vishnu Naresh Boddeti, Marios Savvides
Convolutional neural networks are witnessing wide adoption in computer vision systems with numerous applications across a range of visual recognition tasks.
1 code implementation • 1 May 2018 • Vishnu Naresh Boddeti
In this paper, we explore the practicality of using a fully homomorphic encryption based framework to secure a database of face templates.
2 code implementations • CVPR 2019 • Sixue Gong, Vishnu Naresh Boddeti, Anil K. Jain
This paper addresses the following questions pertaining to the intrinsic dimensionality of any given image representation: (i) estimate its intrinsic dimensionality, (ii) develop a deep neural network based non-linear mapping, dubbed DeepMDS, that transforms the ambient representation to the minimal intrinsic space, and (iii) validate the veracity of the mapping through image matching in the intrinsic space.
no code implementations • 6 Oct 2017 • Donghyun Yoo, Haoqi Fan, Vishnu Naresh Boddeti, Kris M. Kitani
To efficiently search for optimal groupings conditioned on the input data, we propose a reinforcement learning search strategy using recurrent networks to learn the optimal group assignments for each network layer.
no code implementations • 29 Sep 2017 • Sixue Gong, Vishnu Naresh Boddeti, Anil K. Jain
Numerical experiments on unconstrained faces (IJB-C) provides a capacity upper bound of $2. 7\times10^4$ for FaceNet and $8. 4\times10^4$ for SphereFace representation at a false acceptance rate (FAR) of 1%.
no code implementations • 19 Jul 2017 • Vishnu Naresh Boddeti, Myung-Cheol Roh, Jongju Shin, Takaharu Oguri, Takeo Kanade
To account for partial occlusions we introduce, Robust Constrained Local Models, that comprises of a deformable shape and local landmark appearance model and reasons over binary occlusion labels.
1 code implementation • 17 Apr 2017 • Felix Juefei-Xu, Vishnu Naresh Boddeti, Marios Savvides
A recent advance called the WGAN based on Wasserstein distance can improve on the KL and JS-divergence based GANs, and alleviate the gradient vanishing, instability, and mode collapse issues that are common in the GAN training.
no code implementations • ICCV 2017 • Ryo Yonetani, Vishnu Naresh Boddeti, Kris M. Kitani, Yoichi Sato
We propose a privacy-preserving framework for learning visual classifiers by leveraging distributed private image data.
no code implementations • 15 Dec 2016 • Namhoon Lee, Xinshuo Weng, Vishnu Naresh Boddeti, Yu Zhang, Fares Beainy, Kris Kitani, Takeo Kanade
We introduce the concept of a Visual Compiler that generates a scene specific pedestrian detector and pose estimator without any pedestrian observations.
no code implementations • 9 Dec 2016 • Yubo Zhang, Vishnu Naresh Boddeti, Kris M. Kitani
Concretely, our approach uses two convolutional neural networks: (1) a gesture network that uses pre-defined motion information to detect the hand region; and (2) an appearance network that learns a person specific model of the hand region based on the output of the gesture network.
7 code implementations • CVPR 2017 • Felix Juefei-Xu, Vishnu Naresh Boddeti, Marios Savvides
We propose local binary convolution (LBC), an efficient alternative to convolutional layers in standard convolutional neural networks (CNN).
no code implementations • CVPR 2015 • Hironori Hattori, Vishnu Naresh Boddeti, Kris M. Kitani, Takeo Kanade
Our results also yield a surprising result, that our method using purely synthetic data is able to outperform models trained on real scene-specific data when data is limited.
no code implementations • 10 Nov 2014 • Joseph A. Fernandez, Vishnu Naresh Boddeti, Andres Rodriguez, B. V. K. Vijaya Kumar
However, existing CF designs do not account for the fact that the multiplication of two DFTs in the frequency domain corresponds to a circular correlation in the time/spatial domain.
no code implementations • 24 Apr 2014 • Vishnu Naresh Boddeti, B. V. K. Vijaya Kumar
Correlation Filters (CFs) are a class of classifiers which are designed for accurate pattern localization.
no code implementations • CVPR 2013 • Vishnu Naresh Boddeti, Takeo Kanade, B. V. K. Vijaya Kumar
A typical object alignment system consists of a landmark appearance model which is used to obtain an initial shape and a shape model which refines this initial shape by correcting the initialization errors.