no code implementations • 27 Nov 2023 • Rishubh Parihar, Prasanna Balaji, Raghav Magazine, Sarthak Vora, Tejan Karmali, Varun Jampani, R. Venkatesh Babu
We capitalize on disentangled latent spaces of pretrained GANs and train a Denoising Diffusion Probabilistic Model (DDPM) to learn the latent distribution for diverse edits.
1 code implementation • 12 Oct 2023 • Sravanti Addepalli, Ashish Ramayee Asokan, Lakshay Sharma, R. Venkatesh Babu
The client aims to minimize inference cost by distilling the VLM to a student model using the limited available task-specific data, and further deploying this student model in the downstream application.
no code implementations • ICCV 2023 • Sunandini Sanyal, Ashish Ramayee Asokan, Suvaansh Bhambri, Akshay Kulkarni, Jogendra Nath Kundu, R. Venkatesh Babu
We are the first to utilize vision transformers for domain adaptation in a privacy-oriented source-free setting, and our approach achieves state-of-the-art performance on single-source, multi-source, and multi-target benchmarks
1 code implementation • 10 Jun 2023 • Sravanti Addepalli, Samyak Jain, Gaurang Sriramanan, R. Venkatesh Babu
Advances in adversarial defenses have led to a significant improvement in the robustness of Deep Neural Networks.
no code implementations • 1 Jun 2023 • Rishubh Parihar, Raghav Magazine, Piyush Tiwari, R. Venkatesh Babu
Real-world objects perform complex motions that involve multiple independent motion components.
no code implementations • ICCV 2023 • Abhipsa Basu, R. Venkatesh Babu, Danish Pruthi
Recent progress in generative models has resulted in models that produce both realistic as well as relevant images for most textual inputs.
1 code implementation • 20 Apr 2023 • Soumalya Nandi, Sravanti Addepalli, Harsh Rangwani, R. Venkatesh Babu
We further propose a novel \textit{training noise distribution} along with a \textit{regularized training scheme} to improve the certification within both $\ell_1$ and $\ell_2$ perturbation norms simultaneously.
1 code implementation • 15 Apr 2023 • Prasanna B, Sunandini Sanyal, R. Venkatesh Babu
In this paper, we propose to develop a method to address unsupervised domain adaptation (UDA) in a practical setting of continual learning (CL).
1 code implementation • CVPR 2023 • Harsh Rangwani, Lavish Bansal, Kartik Sharma, Tejan Karmali, Varun Jampani, R. Venkatesh Babu
We find that one reason for degradation is the collapse of latents for each class in the $\mathcal{W}$ latent space.
Ranked #1 on
Image Generation
on iNaturalist 2019
1 code implementation • 27 Mar 2023 • K. Ram Prabhakar, Vishal Vinod, Nihar Ranjan Sahoo, R. Venkatesh Babu
Enhancing practical low light raw images is a difficult task due to severe noise and color distortions from short exposure time and limited illumination.
Ranked #1 on
Low-Light Image Enhancement
on Canon RAW Low Light
1 code implementation • CVPR 2023 • Samyak Jain, Sravanti Addepalli, Pawan Sahu, Priyam Dey, R. Venkatesh Babu
Generalization of neural networks is crucial for deploying them safely in the real world.
no code implementations • CVPR 2023 • Abhipsa Basu, Sravanti Addepalli, R. Venkatesh Babu
The first component considers the frequency of answers within a question type in the training data, which addresses the concern of the class-imbalance causing the language biases.
1 code implementation • 28 Dec 2022 • Harsh Rangwani, Sumukh K Aithal, Mayank Mishra, R. Venkatesh Babu
Real-world datasets exhibit imbalances of varying types and degrees.
Ranked #1 on
Long-tail Learning
on CIFAR-10-LT (ρ=50)
no code implementations • 28 Oct 2022 • Jogendra Nath Kundu, Suvaansh Bhambri, Akshay Kulkarni, Hiran Sarkar, Varun Jampani, R. Venkatesh Babu
Universal Domain Adaptation (UniDA) deals with the problem of knowledge transfer between two datasets with domain-shift as well as category-shift.
1 code implementation • 27 Oct 2022 • Sravanti Addepalli, Samyak Jain, R. Venkatesh Babu
We first explain this contrasting behavior by viewing augmentation during training as a problem of domain generalization, and further propose Diverse Augmentation-based Joint Adversarial Training (DAJAT) to use data augmentations effectively in adversarial training.
1 code implementation • 18 Oct 2022 • Sravanti Addepalli, Samyak Jain, Gaurang Sriramanan, R. Venkatesh Babu
The presence of images that flip Oracle predictions and those that do not makes this a challenging setting for adversarial robustness.
1 code implementation • 18 Oct 2022 • Sravanti Addepalli, Kaushal Bhogale, Priyam Dey, R. Venkatesh Babu
Self-supervision has emerged as a propitious method for visual representation learning after the recent paradigm shift from handcrafted pretext tasks to instance-similarity based approaches.
no code implementations • 4 Oct 2022 • Sravanti Addepalli, Anshul Nasery, R. Venkatesh Babu, Praneeth Netrapalli, Prateek Jain
To bridge the gap between these two lines of work, we first hypothesize and verify that while SB may not altogether preclude learning complex features, it amplifies simpler features over complex ones.
1 code implementation • 21 Aug 2022 • Harsh Rangwani, Naman Jaswani, Tejan Karmali, Varun Jampani, R. Venkatesh Babu
Deep long-tailed learning aims to train useful deep networks on practical, real-world imbalanced distributions, wherein most labels of the tail classes are associated with a few samples.
Ranked #1 on
Image Generation
on LSUN
no code implementations • 7 Aug 2022 • Tejan Karmali, Rishubh Parihar, Susmit Agrawal, Harsh Rangwani, Varun Jampani, Maneesh Singh, R. Venkatesh Babu
The quality of the generated images is predicated on two assumptions; (a) The richness of the hierarchical representations learnt by the generator, and, (b) The linearity and smoothness of the style spaces.
3 code implementations • 27 Jul 2022 • Jogendra Nath Kundu, Suvaansh Bhambri, Akshay Kulkarni, Hiran Sarkar, Varun Jampani, R. Venkatesh Babu
The prime challenge in unsupervised domain adaptation (DA) is to mitigate the domain shift between the source and target domains.
Source-Free Domain Adaptation
Unsupervised Domain Adaptation
no code implementations • 20 Jul 2022 • Rishubh Parihar, Ankit Dhiman, Tejan Karmali, R. Venkatesh Babu
We propose a novel sampling method to sample latent from the manifold, enabling us to generate a diverse set of attribute styles beyond the styles present in the training set.
no code implementations • 4 Jul 2022 • K. Ram Prabhakar, Susmit Agrawal, R. Venkatesh Babu
Our motion segmentation guided HDR fusion approach offers significant advantages over existing HDR deghosting methods.
1 code implementation • 16 Jun 2022 • Jogendra Nath Kundu, Akshay Kulkarni, Suvaansh Bhambri, Deepesh Mehta, Shreyas Kulkarni, Varun Jampani, R. Venkatesh Babu
Conventional domain adaptation (DA) techniques aim to improve domain transferability by learning domain-invariant representations; while concurrently preserving the task-discriminability knowledge gathered from the labeled source data.
1 code implementation • 16 Jun 2022 • Harsh Rangwani, Sumukh K Aithal, Mayank Mishra, Arihant Jain, R. Venkatesh Babu
Based on the analysis, we introduce the Smooth Domain Adversarial Training (SDAT) procedure, which effectively enhances the performance of existing domain adversarial methods for both classification and object detection tasks.
Ranked #3 on
Domain Adaptation
on VisDA2017
no code implementations • CVPR 2022 • Sunandini Sanyal, Sravanti Addepalli, R. Venkatesh Babu
In this work, we show that it is indeed possible to steal Machine Learning models by accessing only top-1 predictions (Hard Label setting) as well, without access to model gradients (Black-Box setting) or even the training dataset (Data-Free setting) within a low query budget.
no code implementations • 6 Apr 2022 • Tejan Karmali, Abhinav Atrishi, Sai Sree Harsha, Susmit Agrawal, Varun Jampani, R. Venkatesh Babu
Existing works in self-supervised landmark detection are based on learning dense (pixel-level) feature representations from an image, which are further used to learn landmarks in a semi-supervised manner.
no code implementations • NeurIPS 2021 • Jogendra Nath Kundu, Siddharth Seth, Anirudh Jamkhandi, Pradyumna YM, Varun Jampani, Anirban Chakraborty, R. Venkatesh Babu
To this end, we cast 3D pose learning as a self-supervised adaptation problem that aims to transfer the task knowledge from a labeled source domain to a completely unpaired target.
Ranked #5 on
Unsupervised 3D Human Pose Estimation
on Human3.6M
Unsupervised 3D Human Pose Estimation
Weakly-supervised 3D Human Pose Estimation
no code implementations • NeurIPS 2021 • Mugalodi Rakesh, Jogendra Nath Kundu, Varun Jampani, R. Venkatesh Babu
Articulation-centric 2D/3D pose supervision forms the core training objective in most existing 3D human pose estimation techniques.
no code implementations • CVPR 2022 • Jogendra Nath Kundu, Siddharth Seth, Pradyumna YM, Varun Jampani, Anirban Chakraborty, R. Venkatesh Babu
The advances in monocular 3D human pose estimation are dominated by supervised techniques that require large-scale 2D/3D pose annotations.
Monocular 3D Human Pose Estimation
Unsupervised 3D Human Pose Estimation
+2
no code implementations • 9 Feb 2022 • Jogendra Nath Kundu, Akshay Kulkarni, Suvaansh Bhambri, Varun Jampani, R. Venkatesh Babu
However, we find that latent features derived from the Fourier-based amplitude spectrum of deep CNN features hold a more tractable mapping with domain discrimination.
no code implementations • 24 Dec 2021 • K. Ram Prabhakar, Susmit Agrawal, R. Venkatesh Babu
In the SGM cell, the information flow through a gate is controlled by multiplying the gate's output by a function of itself.
1 code implementation • 18 Sep 2021 • Harsh Rangwani, Arihant Jain, Sumukh K Aithal, R. Venkatesh Babu
Unsupervised domain adaptation (DA) methods have focused on achieving maximal performance through aligning features from source and target domains without using labeled data in the target domain.
1 code implementation • ICCV 2021 • Jogendra Nath Kundu, Akshay Kulkarni, Amit Singh, Varun Jampani, R. Venkatesh Babu
Unsupervised domain adaptation (DA) has gained substantial interest in semantic segmentation.
Ranked #1 on
Domain Generalization
on GTA5-to-Cityscapes
no code implementations • CVPR 2021 • K. Ram Prabhakar, Gowtham Senthil, Susmit Agrawal, R. Venkatesh Babu, Rama Krishna Sai S Gorthi
To derive data for the next stage of training, we propose a novel method for generating corresponding dynamic inputs from the predicted HDRs of unlabeled data.
1 code implementation • 17 Jun 2021 • Harsh Rangwani, Konda Reddy Mopuri, R. Venkatesh Babu
However, majority of the developments focus on performance of GANs on balanced datasets.
no code implementations • ICCV 2021 • Rahul Venkatesh, Tejan Karmali, Sarthak Sharma, Aurobrata Ghosh, R. Venkatesh Babu, László A. Jeni, Maneesh Singh
Unsigned distance function (UDF) based approaches have been proposed recently as a promising alternative to represent both open and closed shapes.
no code implementations • NeurIPS 2020 • Naveen Venkat, Jogendra Nath Kundu, Durgesh Kumar Singh, Ambareesh Revanur, R. Venkatesh Babu
Thus, we aim to utilize implicit alignment without additional training objectives to perform adaptation.
Domain Adaptation
Multi-Source Unsupervised Domain Adaptation
1 code implementation • ICCV 2021 • Harsh Rangwani, Arihant Jain, Sumukh K Aithal, R. Venkatesh Babu
Unsupervised domain adaptation (DA) methods have focused on achieving maximal performance through aligning features from source and target domains without using labeled data in the target domain.
1 code implementation • NeurIPS 2020 • Gaurang Sriramanan, Sravanti Addepalli, Arya Baburaj, R. Venkatesh Babu
Further, we propose Guided Adversarial Training (GAT), which achieves state-of-the-art performance amongst single-step defenses by utilizing the proposed relaxation term for both attack generation and training.
1 code implementation • 14 Sep 2020 • Deepak Babu Sam, Abhinav Agarwalla, Jimmy Joseph, Vishwanath A. Sindagi, R. Venkatesh Babu, Vishal M. Patel
Dense crowd counting is a challenging task that demands millions of head annotations for training models.
1 code implementation • ECCV 2020 • Jogendra Nath Kundu, Ambareesh Revanur, Govind Vitthal Waghmare, Rahul Mysore Venkatesh, R. Venkatesh Babu
Our approach not only generalizes to in-the-wild images, but also yields a superior trade-off between speed and performance, compared to prior top-down approaches.
no code implementations • ECCV 2020 • Jogendra Nath Kundu, Mugalodi Rakesh, Varun Jampani, Rahul Mysore Venkatesh, R. Venkatesh Babu
We present a self-supervised human mesh recovery framework to infer human pose and shape from monocular images in the absence of any paired supervision.
no code implementations • ECCV 2020 • Jogendra Nath Kundu, Rahul Mysore Venkatesh, Naveen Venkat, Ambareesh Revanur, R. Venkatesh Babu
We introduce a practical Domain Adaptation (DA) paradigm called Class-Incremental Domain Adaptation (CIDA).
no code implementations • 3 Aug 2020 • Gaurav Kumar Nayak, Saksham Jain, R. Venkatesh Babu, Anirban Chakraborty
In the emerging commercial space industry there is a drastic increase in access to low cost satellite imagery.
no code implementations • 31 Jul 2020 • Sravanti Addepalli, Dipesh Tamboli, R. Venkatesh Babu, Biplab Banerjee
Existing visualization methods develop high confidence images consisting of both background and foreground features.
no code implementations • ECCV 2020 • Vishwanath A. Sindagi, Rajeev Yasarla, Deepak Sam Babu, R. Venkatesh Babu, Vishal M. Patel
In this work, we focus on reducing the annotation efforts by learning to count in the crowd from limited number of labeled samples while leveraging a large pool of unlabeled data.
no code implementations • 24 Jun 2020 • Jogendra Nath Kundu, Siddharth Seth, Rahul M. V, Mugalodi Rakesh, R. Venkatesh Babu, Anirban Chakraborty
However, generalizability of human pose estimation models developed using supervision on large-scale in-studio datasets remains questionable, as these models often perform unsatisfactorily on unseen in-the-wild environments.
1 code implementation • CVPR 2020 • K L Navaneet, Ansu Mathew, Shashank Kashyap, Wei-Chih Hung, Varun Jampani, R. Venkatesh Babu
We learn both 3D point cloud reconstruction and pose estimation networks in a self-supervised manner, making use of differentiable point cloud renderer to train with 2D supervision.
3D Object Reconstruction From A Single Image
3D Point Cloud Reconstruction
+2
no code implementations • 27 Apr 2020 • Konda Reddy Mopuri, Vaisakh Shaj, R. Venkatesh Babu
Therefore, the metric to quantify the vulnerability of the models should capture the severity of the flipping as well.
no code implementations • CVPR 2020 • Vivek B. S., R. Venkatesh Babu
In this work, (i) we show that models trained using single-step adversarial training method learn to prevent the generation of single-step adversaries, and this is due to over-fitting of the model during the initial stages of training, and (ii) to mitigate this effect, we propose a single-step adversarial training method with dropout scheduling.
1 code implementation • CVPR 2020 • Jogendra Nath Kundu, Naveen Venkat, Rahul M. V, R. Venkatesh Babu
1) In the Procurement stage, we aim to equip the model for future source-free deployment, assuming no prior knowledge of the upcoming category-gap and domain-shift.
1 code implementation • CVPR 2020 • Jogendra Nath Kundu, Naveen Venkat, Ambareesh Revanur, Rahul M. V, R. Venkatesh Babu
Addressing this, we introduce a practical DA paradigm where a source-trained model is used to facilitate adaptation in the absence of the source dataset in future.
no code implementations • CVPR 2020 • Jogendra Nath Kundu, Siddharth Seth, Varun Jampani, Mugalodi Rakesh, R. Venkatesh Babu, Anirban Chakraborty
Camera captured human pose is an outcome of several sources of variation.
1 code implementation • CVPR 2020 • Sravanti Addepalli, Vivek B. S., Arya Baburaj, Gaurang Sriramanan, R. Venkatesh Babu
In this work, we attempt to address this problem by training networks to form coarse impressions based on the information in higher bit planes, and use the lower bit planes only to refine their prediction.
1 code implementation • 3 Feb 2020 • B. S. Vivek, R. Venkatesh Babu
The proposed regularizers mitigate the effect of gradient masking by harnessing on properties that differentiate a robust model from that of a pseudo robust model.
no code implementations • 27 Dec 2019 • Sravanti Addepalli, Gaurav Kumar Nayak, Anirban Chakraborty, R. Venkatesh Babu
We use the available data, that may be an imbalanced subset of the original training dataset, or a related domain dataset, to retrieve representative samples from a trained classifier, using a novel Data-enriching GAN (DeGAN) framework.
1 code implementation • ICCV 2019 • Aditya Ganeshan, B. S. Vivek, R. Venkatesh Babu
Though Deep Neural Networks (DNN) show excellent performance across various computer vision tasks, several works show their vulnerability to adversarial samples, i. e., image samples with imperceptible noise engineered to manipulate the network's prediction.
2 code implementations • ICCV 2019 • Jogendra Nath Kundu, Maharshi Gor, Dakshit Agrawal, R. Venkatesh Babu
Despite the remarkable success of generative adversarial networks, their performance seems less impressive for diverse training sets, requiring learning of discontinuous mapping functions.
1 code implementation • ICCV 2019 • Jogendra Nath Kundu, Nishank Lakkakula, R. Venkatesh Babu
In this paper, we propose UM-Adapt - a unified framework to effectively perform unsupervised domain adaptation for spatially-structured prediction tasks, simultaneously maintaining a balanced performance across individual tasks in a multi-task setting.
2 code implementations • 18 Jun 2019 • Deepak Babu Sam, Skand Vishwanath Peri, Mukuntha Narayanan Sundararaman, Amogh Kamath, R. Venkatesh Babu
We introduce a detection framework for dense crowd counting and eliminate the need for the prevalent density regression paradigm.
Ranked #7 on
Crowd Counting
on UCF CC 50
no code implementations • 27 May 2019 • Anuj Pahuja, Avishek Majumder, Anirban Chakraborty, R. Venkatesh Babu
Segmenting salient objects in an image is an important vision task with ubiquitous applications.
1 code implementation • 20 May 2019 • Gaurav Kumar Nayak, Konda Reddy Mopuri, Vaisakh Shaj, R. Venkatesh Babu, Anirban Chakraborty
Without even using any meta-data, we synthesize the Data Impressions from the complex Teacher model and utilize these as surrogates for the original training data samples to transfer its learning to Student via knowledge distillation.
1 code implementation • 25 Jan 2019 • Priyanka Mandikal, R. Venkatesh Babu
Through extensive quantitative and qualitative evaluation on synthetic and real datasets, we demonstrate that DensePCR outperforms the existing state-of-the-art point cloud reconstruction works, while also providing a light-weight and scalable architecture for predicting high-resolution outputs.
2 code implementations • 6 Dec 2018 • Jogendra Nath Kundu, Maharshi Gor, R. Venkatesh Babu
The discriminator is trained also to regress this extrinsic factor r, which is used alongside with the intrinsic factor (encoded starting pose sequence) to generate a particular pose sequence.
2 code implementations • 6 Dec 2018 • Jogendra Nath Kundu, Maharshi Gor, Phani Krishna Uppala, R. Venkatesh Babu
In this work we propose a novel temporal pose-sequence modeling framework, which can embed the dynamics of 3D human-skeleton joints to a continuous latent space in an efficient manner.
1 code implementation • 28 Nov 2018 • Navaneet K L, Priyanka Mandikal, Mayank Agarwal, R. Venkatesh Babu
We consider the task of single image 3D point cloud reconstruction, and aim to utilize multiple foreground masks as our supervisory data to alleviate the need for large scale 3D datasets.
1 code implementation • 30 Sep 2018 • Priyanka Mandikal, Navaneet K L, R. Venkatesh Babu
We propose a mechanism to reconstruct part annotated 3D point clouds of objects given just a single input image.
2 code implementations • 3 Sep 2018 • Jogendra Nath Kundu, Rahul M. V., Aditya Ganeshan, R. Venkatesh Babu
In this work, we propose a data-efficient method which utilizes the geometric regularity of intraclass objects for pose estimation.
no code implementations • ECCV 2018 • Vivek B. S., Konda Reddy Mopuri, R. Venkatesh Babu
Adversarial samples are perturbed inputs crafted to mislead the machine learning systems.
2 code implementations • 3 Aug 2018 • Jogendra Nath Kundu, Aditya Ganeshan, Rahul M. V., Aditya Prakash, R. Venkatesh Babu
Such image comparison based approach also alleviates the problem of data scarcity and hence enhances scalability of the proposed approach for novel object categories with minimal annotation.
no code implementations • ECCV 2018 • Konda Reddy Mopuri, Phani Krishna Uppala, R. Venkatesh Babu
Given a model, there exist broadly two approaches to craft UAPs: (i) data-driven: that require data, and (ii) data-free: that do not require data samples.
no code implementations • CVPR 2018 • Deepak Babu Sam, Neeraj N Sajjan, R. Venkatesh Babu
Our model starts from a base CNN density regressor, which is trained in equivalence on all types of crowd images.
Ranked #13 on
Crowd Counting
on WorldExpo’10
no code implementations • 24 Jul 2018 • Deepak Babu Sam, R. Venkatesh Babu
But the current state-of-the-art CNN regressors for crowd counting are feedforward and use only limited spatial context to detect people.
1 code implementation • 20 Jul 2018 • Priyanka Mandikal, K L Navaneet, Mayank Agarwal, R. Venkatesh Babu
3D reconstruction from single view images is an ill-posed problem.
no code implementations • 19 Jul 2018 • K L Navaneet, Ravi Kiran Sarvadevabhatla, Shashank Shekhar, R. Venkatesh Babu, Anirban Chakraborty
Therefore, target identifications by operator in a subset of cameras cannot be utilized to improve ranking of the target in remaining set of network cameras.
no code implementations • CVPR 2018 • Jogendra Nath Kundu, Phani Krishna Uppala, Anuj Pahuja, R. Venkatesh Babu
Supervised deep learning methods have shown promising results for the task of monocular depth estimation; but acquiring ground truth is costly, and prone to noise as well as inaccuracies.
2 code implementations • 24 Jan 2018 • Konda Reddy Mopuri, Aditya Ganeshan, R. Venkatesh Babu
Further, via exploiting simple priors related to the data distribution, our objective remarkably boosts the fooling ability of the crafted perturbations.
1 code implementation • ICCV 2017 • K. Ram Prabhakar, V. Sai Srikar, R. Venkatesh Babu
To address the above issues, we have gathered a large dataset of multi-exposure image stacks for training and to circumvent the need for ground truth images, we propose an unsupervised deep learning framework for MEF utilizing a no-reference quality metric as loss function.
1 code implementation • CVPR 2018 • Konda Reddy Mopuri, Utkarsh Ojha, Utsav Garg, R. Venkatesh Babu
Our trained generator network attempts to capture the distribution of adversarial perturbations for a given classifier and readily generates a wide variety of such perturbations.
1 code implementation • 5 Sep 2017 • Ravi Kiran Sarvadevabhatla, Isht Dwivedi, Abhijat Biswas, Sahil Manocha, R. Venkatesh Babu
We propose SketchParse, the first deep-network architecture for fully automatic parsing of freehand object sketches.
2 code implementations • 22 Aug 2017 • Konda Reddy Mopuri, Utsav Garg, R. Venkatesh Babu
We demonstrate through a variety of applications that our approach is able to localize the discriminative image locations across different network architectures, diverse vision tasks and data modalities.
1 code implementation • CVPR 2017 • Deepak Babu Sam, Shiv Surya, R. Venkatesh Babu
It is observed that the switch relays an image patch to a particular CNN column based on density of crowd.
Ranked #4 on
Crowd Counting
on Venice
no code implementations • 1 Aug 2017 • Nithish Divakar, R. Venkatesh Babu
Is it possible to recover an image from its noisy version using convolutional neural networks?
no code implementations • 21 Jul 2017 • Akshayvarun Subramanya, Suraj Srinivas, R. Venkatesh Babu
State-of-the-art Deep Neural Networks can be easily fooled into providing incorrect high-confidence predictions for images with small amounts of adversarial noise.
1 code implementation • 18 Jul 2017 • Konda Reddy Mopuri, Utsav Garg, R. Venkatesh Babu
In this paper, for the first time, we propose a novel data independent approach to generate image agnostic perturbations for a range of CNNs trained for object recognition.
1 code implementation • 25 May 2017 • Konda Reddy Mopuri, Vishal B. Athreya, R. Venkatesh Babu
We demonstrate that, owing to richer supervision provided during the process of training, the features learned by the captioning system perform better than those of CNNs.
no code implementations • 20 Mar 2017 • Ravi Kiran Sarvadevabhatla, Sudharshan Suresh, R. Venkatesh Babu
In this paper, we analyze the results of a free-viewing gaze fixation study conducted on 3904 freehand sketches distributed across 160 object categories.
no code implementations • 23 Nov 2016 • Ravi Kiran Sarvadevabhatla, Shanthakumar Venkatraman, R. Venkatesh Babu
Our results show that the proposed benchmarking procedure enables additional differentiation among state-of-the-art object classifiers in terms of their ability to handle missing content and insufficient object detail.
no code implementations • 21 Nov 2016 • Suraj Srinivas, Akshayvarun Subramanya, R. Venkatesh Babu
Deep neural networks with lots of parameters are typically used for large-scale computer vision tasks such as image classification.
no code implementations • 21 Nov 2016 • Suraj Srinivas, R. Venkatesh Babu
One set of methods in this family, called Dropout++, is a version of Dropout with trainable parameters.
no code implementations • 17 Nov 2016 • Lokesh Boominathan, Suraj Srinivas, R. Venkatesh Babu
This is inspired by the neuro-scientific concept of mental rotation, which humans use to compare pairs of rotated objects.
2 code implementations • 22 Aug 2016 • Lokesh Boominathan, Srinivas S. S. Kruthiventi, R. Venkatesh Babu
Our work proposes a novel deep learning framework for estimating crowd density from static images of highly dense crowds.
no code implementations • CVPR 2016 • Srinivas S. S. Kruthiventi, Vennela Gudisa, Jaley H. Dholakiya, R. Venkatesh Babu
Human eye fixations often correlate with locations of salient objects in the scene.
no code implementations • 25 Jan 2016 • Suraj Srinivas, Ravi Kiran Sarvadevabhatla, Konda Reddy Mopuri, Nikita Prabhu, Srinivas S. S. Kruthiventi, R. Venkatesh Babu
With this new paradigm, every problem in computer vision is now being re-examined from a deep learning perspective.
no code implementations • 17 Nov 2015 • Suraj Srinivas, R. Venkatesh Babu
In this work, we introduce the problem of architecture-learning, i. e; learning the architecture of a neural network along with weights.
no code implementations • 10 Oct 2015 • Srinivas S. S. Kruthiventi, Kumar Ayush, R. Venkatesh Babu
Understanding and predicting the human visual attentional mechanism is an active area of research in the fields of neuroscience and computer vision.
no code implementations • ICCV 2015 • Nikita Prabhu, R. Venkatesh Babu
We benchmark the performance of our algorithm on the 'rPascal' and 'rImageNet' datasets, which we have created in order to evaluate the ranking performance on complex queries containing multiple objects.
no code implementations • 22 Jul 2015 • Suraj Srinivas, R. Venkatesh Babu
Our experiments in pruning the densely connected layers show that we can remove upto 85\% of the total parameters in an MNIST-trained network, and about 35\% for AlexNet without significantly affecting performance.
no code implementations • 24 Jun 2015 • Sai Srivatsa R, R. Venkatesh Babu
Salient object detection has become an important task in many image processing applications.
no code implementations • 19 Jun 2015 • Srinivas S. S. Kruthiventi, R. Venkatesh Babu
This work in compressed domain can be easily extended to pixel domain by substituting motion vectors with motion based features like optical flow.
1 code implementation • 25 May 2015 • Ravi Kiran Sarvadevabhatla, R. Venkatesh Babu
With a view to provide a user-friendly interface for designing, training and developing deep learning frameworks, we have developed Expresso, a GUI tool written in Python.
no code implementations • 24 Apr 2015 • Konda Reddy Mopuri, R. Venkatesh Babu
Convolutional Neural Network (CNN) features have been successfully employed in recent works as an image descriptor for various vision tasks.
no code implementations • 1 Feb 2015 • Ravi Kiran Sarvadevabhatla, R. Venkatesh Babu
Therefore, analyzing such sparse sketches can aid our understanding of the neuro-cognitive processes involved in visual representation and recognition.
no code implementations • 31 Jan 2015 • Ravi Kiran Sarvadevabhatla, R. Venkatesh Babu
Freehand line sketches are an interesting and unique form of visual representation.
no code implementations • CVPR 2014 • S. Avinash Ramakanth, R. Venkatesh Babu
Label propagation is achieved with high fidelity in the critical boundary regions, utilising the proposed patch seams.