Search Results for author: Ashish Mishra

Found 13 papers, 3 papers with code

Online Lifelong Generalized Zero-Shot Learning

1 code implementation19 Mar 2021 Chandan Gautam, Sethupathy Parameswaran, Ashish Mishra, Suresh Sundaram

Methods proposed in the literature for zero-shot learning (ZSL) are typically suitable for offline learning and cannot continually learn from sequential streaming data.

Continual Learning Generalized Zero-Shot Learning +1

Generative Replay-based Continual Zero-Shot Learning

no code implementations22 Jan 2021 Chandan Gautam, Sethupathy Parameswaran, Ashish Mishra, Suresh Sundaram

Zero-shot learning is a new paradigm to classify objects from classes that are not available at training time.

Continual Learning Zero-Shot Learning

Generalized Continual Zero-Shot Learning

no code implementations17 Nov 2020 Chandan Gautam, Sethupathy Parameswaran, Ashish Mishra, Suresh Sundaram

Further, to enhance the reliability, we develop CZSL for a single head continual learning setting where task identity is revealed during the training process but not during the testing.

Continual Learning Knowledge Distillation +1

Towards Zero-Shot Learning with Fewer Seen Class Examples

no code implementations14 Nov 2020 Vinay Kumar Verma, Ashish Mishra, Anubha Pandey, Hema A. Murthy, Piyush Rai

We present a meta-learning based generative model for zero-shot learning (ZSL) towards a challenging setting when the number of training examples from each \emph{seen} class is very few.

Meta-Learning Zero-Shot Learning

Fuzzy Unique Image Transformation: Defense Against Adversarial Attacks On Deep COVID-19 Models

no code implementations8 Sep 2020 Achyut Mani Tripathi, Ashish Mishra

The experiments and results show the proposed model prevents the deep model against the six adversarial attacks and maintains high accuracy to classify the COVID-19 cases from the Chest X-Ray image and CT image Datasets.

Stacked Adversarial Network for Zero-Shot Sketch based Image Retrieval

no code implementations18 Jan 2020 Anubha Pandey, Ashish Mishra, Vinay Kumar Verma, Anurag Mittal, Hema A. Murthy

Conventional approaches to Sketch-Based Image Retrieval (SBIR) assume that the data of all the classes are available during training.

Retrieval Sketch-Based Image Retrieval

Generative Model for Zero-Shot Sketch-Based Image Retrieval

no code implementations18 Apr 2019 Vinay Kumar Verma, Aakansha Mishra, Ashish Mishra, Piyush Rai

We present a probabilistic model for Sketch-Based Image Retrieval (SBIR) where, at retrieval time, we are given sketches from novel classes, that were not present at training time.

Image Generation Retrieval +1

A Zero-Shot Framework for Sketch based Image Retrieval

no code implementations ECCV 2018 Sasi Kiran Yelamarthi, Shiva Krishna Reddy, Ashish Mishra, Anurag Mittal

In this paper, we propose a new bench mark for zero-shot SBIR where the model is evaluated on novel classes that are not seen during training.

Retrieval Sketch-Based Image Retrieval

A Zero-Shot Framework for Sketch-based Image Retrieval

1 code implementation31 Jul 2018 Sasi Kiran Yelamarthi, Shiva Krishna Reddy, Ashish Mishra, Anurag Mittal

In this paper, we propose a new benchmark for zero-shot SBIR where the model is evaluated in novel classes that are not seen during training.

Retrieval Sketch-Based Image Retrieval

A Generative Approach to Zero-Shot and Few-Shot Action Recognition

no code implementations27 Jan 2018 Ashish Mishra, Vinay Kumar Verma, M Shiva Krishna Reddy, Arulkumar S, Piyush Rai, Anurag Mittal

In particular, we assume that the distribution parameters for any action class in the visual space can be expressed as a linear combination of a set of basis vectors where the combination weights are given by the attributes of the action class.

Attribute Few-Shot action recognition +4

Generalized Zero-Shot Learning via Synthesized Examples

no code implementations CVPR 2018 Vinay Kumar Verma, Gundeep Arora, Ashish Mishra, Piyush Rai

Our model's ability to generate and leverage examples from unseen classes to train the classification model naturally helps to mitigate the bias towards predicting seen classes in generalized zero-shot learning settings.

Attribute General Classification +1

A Generative Model For Zero Shot Learning Using Conditional Variational Autoencoders

no code implementations3 Sep 2017 Ashish Mishra, M Shiva Krishna Reddy, Anurag Mittal, Hema A. Murthy

By extensive testing on four benchmark datasets, we show that our model outperforms the state of the art, particularly in the more realistic generalized setting, where the training classes can also appear at the test time along with the novel classes.

Attribute General Classification +2

Bi-modal First Impressions Recognition using Temporally Ordered Deep Audio and Stochastic Visual Features

1 code implementation31 Oct 2016 Arulkumar Subramaniam, Vismay Patel, Ashish Mishra, Prashanth Balasubramanian, Anurag Mittal

We propose a novel approach for First Impressions Recognition in terms of the Big Five personality-traits from short videos.

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