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4. SemIE: Semantically-aware Image Extrapolation

Author

Khurana, Bholeshwar, Dash, Soumya Ranjan, Bhatia, Abhishek, Mahapatra, Aniruddha, Singh, Hrituraj, and Kulkarni, Kuldeep

Subjects
Computer Science - Computer Vision and Pattern Recognition, Computer Science - Artificial Intelligence, Computer Science - Graphics, Computer Science - Machine Learning
Abstract

We propose a semantically-aware novel paradigm to perform image extrapolation that enables the addition of new object instances. All previous methods are limited in their capability of extrapolation to merely extending the already existing objects in the image. However, our proposed approach focuses not only on (i) extending the already present objects but also on (ii) adding new objects in the extended region based on the context. To this end, for a given image, we first obtain an object segmentation map using a state-of-the-art semantic segmentation method. The, thus, obtained segmentation map is fed into a network to compute the extrapolated semantic segmentation and the corresponding panoptic segmentation maps. The input image and the obtained segmentation maps are further utilized to generate the final extrapolated image. We conduct experiments on Cityscapes and ADE20K-bedroom datasets and show that our method outperforms all baselines in terms of FID, and similarity in object co-occurrence statistics., Comment: To appear in International Conference on Computer Vision (ICCV) 2021. Project URL: https://semie-iccv.github.io

Published
2021

6. CS-NET at SemEval-2020 Task 4: Siamese BERT for ComVE

Author

Dash, Soumya Ranjan, Routray, Sandeep, Varshney, Prateek, and Modi, Ashutosh

Subjects
Computer Science - Computation and Language, Computer Science - Machine Learning
Abstract

In this paper, we describe our system for Task 4 of SemEval 2020, which involves differentiating between natural language statements that confirm to common sense and those that do not. The organizers propose three subtasks - first, selecting between two sentences, the one which is against common sense. Second, identifying the most crucial reason why a statement does not make sense. Third, generating novel reasons for explaining the against common sense statement. Out of the three subtasks, this paper reports the system description of subtask A and subtask B. This paper proposes a model based on transformer neural network architecture for addressing the subtasks. The novelty in work lies in the architecture design, which handles the logical implication of contradicting statements and simultaneous information extraction from both sentences. We use a parallel instance of transformers, which is responsible for a boost in the performance. We achieved an accuracy of 94.8% in subtask A and 89% in subtask B on the test set., Comment: 6 pages, 2 figures, 2 tables Accepted at Proceedings of the 14th International Workshop on Semantic Evaluation (SemEval-2020)

Published
2020

25. Six‐Membered NHC Stabilized Monomeric Zinc Complexes.

Author

Gour, Kritika, Kundu, Gargi, Dash, Soumya Ranjan, Vanka, Kumar, Tothadi, Srinu, and Sen, Sakya S.

Subjects
ZINC compounds, DOUBLE bonds, INVESTIGATION reports
Abstract

This paper describes the rare use of a 6‐membered saturated N‐heterocyclic carbene (NHC) known as 1,3‐di(2,6‐diisopropylphenyl) tetrahydropyrimidine‐2‐ylidene (abbreviated as 6‐SIDipp) as a ligand in zinc chemistry. We report on the investigation of the reactions between 6‐SIDipp and ZnX2, which resulted in a range of new monomeric 6‐SIDipp⋅ZnX2 complexes (X=Et (1), Cl (2), Br (3), and I (4)). We also prepared a new NHC zinc complex where the two substituents of the zinc atom are different, 6‐SIDipp⋅Zn(Et)Br (7) through the reaction of the proligand [6‐SIDippH]Br with ZnEt2. We have observed that the reactions of complex 1 with sulfur and HBpin led to the removal of the ZnEt2 moiety, resulting in the formation of a C=S double bond and a B−H activation product, respectively. Lastly, the reaction of 1 with five‐membered NHCs led to the exchange of carbene and the formation of either 5‐IDipp⋅ZnEt2 (8) or 5‐SIDipp⋅ZnEt2 (9). [ABSTRACT FROM AUTHOR]

Published
2023
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30. Cyanobacteria and Algae-Derived Bioactive Metabolites as Antiviral Agents: Evidence, Mode of Action, and Scope for Further Expansion; A Comprehensive Review in Light of the SARS-CoV-2 Outbreak

Author

Pradhan, Biswajita, primary, Nayak, Rabindra, additional, Patra, Srimanta, additional, Bhuyan, Prajna Paramita, additional, Dash, Soumya Ranjan, additional, Ki, Jang-Seu, additional, Adhikary, Siba Prasad, additional, Ragusa, Andrea, additional, and Jena, Mrutyunjay, additional

Published
2022
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32. Direct (hetero)arylation (DHAP) polymerization of conjugated polymers – new A–B–A monomer design for P(NDI2OD-T2) & the challenges of adopting DHAP for continuous flow processes

Author

Kakde, Navnath R., primary, Bharathkumar, H. J., additional, Wavhal, Bhaiyyasaheb A., additional, Nikam, Arun, additional, Patil, Suneha, additional, Dash, Soumya Ranjan, additional, Vanka, Kumar, additional, Krishnamoorthy, K., additional, Kulkarni, Amol, additional, and Asha, S. K., additional

Published
2022
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