Search Results for author: Sourya Dipta Das

Found 23 papers, 8 papers with code

Transformer-based Joint Modelling for Automatic Essay Scoring and Off-Topic Detection

no code implementations24 Mar 2024 Sourya Dipta Das, Yash Vadi, Kuldeep Yadav

The proposed Automated Open Essay Scoring (AOES) model uses a novel topic regularization module (TRM), which can be attached on top of a transformer model, and is trained using a proposed hybrid loss function.

Automated Essay Scoring

Unsupervised Out-of-Distribution Dialect Detection with Mahalanobis Distance

no code implementations9 Aug 2023 Sourya Dipta Das, Yash Vadi, Abhishek Unnam, Kuldeep Yadav

Dialect classification is used in a variety of applications, such as machine translation and speech recognition, to improve the overall performance of the system.

Classification Dialect Identification +5

Can No-reference features help in Full-reference image quality estimation?

no code implementations2 Mar 2022 Saikat Dutta, Sourya Dipta Das, Nisarg A. Shah

Recent works in Full-reference IQA research perform pixelwise comparison between deep features corresponding to query and reference images for quality prediction.

Image Quality Assessment Image Quality Estimation

Anomaly Detection in Retinal Images using Multi-Scale Deep Feature Sparse Coding

no code implementations27 Jan 2022 Sourya Dipta Das, Saikat Dutta, Nisarg A. Shah, Dwarikanath Mahapatra, ZongYuan Ge

Convolutional Neural Network models have successfully detected retinal illness from optical coherence tomography (OCT) and fundus images.

Anomaly Detection

Context-aware Retail Product Recommendation with Regularized Gradient Boosting

1 code implementation17 Sep 2021 Sourya Dipta Das, Ayan Basak

A total of 167 participants participated in the challenge, and we secured the 6th rank during the final evaluation with an MRR of 0. 4658 on the test set.

Context Aware Product Recommendation

MSR-Net: Multi-Scale Relighting Network for One-to-One Relighting

no code implementations13 Jul 2021 Sourya Dipta Das, Nisarg A. Shah, Saikat Dutta

Deep image relighting allows photo enhancement by illumination-specific retouching without human effort and so it is getting much interest lately.

Image Relighting

Stacked Deep Multi-Scale Hierarchical Network for Fast Bokeh Effect Rendering from a Single Image

1 code implementation15 May 2021 Saikat Dutta, Sourya Dipta Das, Nisarg A. Shah, Anil Kumar Tiwari

Most of the existing methods utilized additional sensor's data or pretrained network for fine depth estimation of the scene and sometimes use portrait segmentation pretrained network module to segment salient objects in the image.

Bokeh Effect Rendering

A Heuristic-driven Uncertainty based Ensemble Framework for Fake News Detection in Tweets and News Articles

1 code implementation5 Apr 2021 Sourya Dipta Das, Ayan Basak, Saikat Dutta

We have evaluated our results on the COVID-19 Fake News dataset and FakeNewsNet dataset to show the effectiveness of the proposed algorithm on detecting fake news in short news content as well as in news articles.

Fake News Detection

A Heuristic-driven Ensemble Framework for COVID-19 Fake News Detection

1 code implementation10 Jan 2021 Sourya Dipta Das, Ayan Basak, Saikat Dutta

The significance of social media has increased manifold in the past few decades as it helps people from even the most remote corners of the world stay connected.

Fake News Detection

Semantic Segmentation of Surface from Lidar Point Cloud

no code implementations13 Sep 2020 Aritra Mukherjee, Sourya Dipta Das, Jasorsi Ghosh, Ananda S. Chowdhury, Sanjoy Kumar Saha

The methodology presented proposes a fast algorithm that can be used to extract semantically labelled surface segments from the cloud, in real time, for direct navigational use or higher level contextual scene reconstruction.

Point Cloud Segmentation Robot Navigation +3

Writer Independent Offline Signature Recognition Using Ensemble Learning

1 code implementation19 Jan 2019 Sourya Dipta Das, Himanshu Ladia, Vaibhav Kumar, Shivansh Mishra

This verification task is even harder in writer independent scenarios which is undeniably fiscal for realistic cases.

Ensemble Learning

Bird Species Classification using Transfer Learning with Multistage Training

2 code implementations9 Oct 2018 Sourya Dipta Das, Akash Kumar

Bird species classification has received more and more attention in the field of computer vision, for its promising applications in biology and environmental studies.

Classification General Classification +1

Language Identification of Bengali-English Code-Mixed data using Character & Phonetic based LSTM Models

no code implementations10 Mar 2018 Soumil Mandal, Sourya Dipta Das, Dipankar Das

Language identification of social media text still remains a challenging task due to properties like code-mixing and inconsistent phonetic transliterations.

Language Identification

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