P
Payel Das
Researcher at IBM
Publications - 94
Citations - 2581
Payel Das is an academic researcher from IBM. The author has contributed to research in topics: Population & Artificial neural network. The author has an hindex of 24, co-authored 94 publications receiving 2007 citations. Previous affiliations of Payel Das include Columbia University & Chinese Academy of Sciences.
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Journal ArticleDOI
Low-dimensional, free-energy landscapes of protein-folding reactions by nonlinear dimensionality reduction
TL;DR: The proposed method to obtain a few collective coordinates by using nonlinear dimensionality reduction can efficiently find a low-dimensional representation of a complex process such as protein folding.
Proceedings Article
Explanations based on the Missing: Towards Contrastive Explanations with Pertinent Negatives
Amit Dhurandhar,Pin-Yu Chen,Ronny Luss,Chun-Chen Tu,Paishun Ting,Karthikeyan Shanmugam,Payel Das +6 more
TL;DR: In this paper, contrastive explanations are used to justify the classification of an input by a black box classifier such as a deep neural network, where the authors find what should be minimally and sufficiently present (viz. important object pixels in an image) to justify its classification and analogously what should not be necessary and sufficient (i.e. certain background pixels).
Posted Content
Explanations based on the Missing: Towards Contrastive Explanations with Pertinent Negatives
Amit Dhurandhar,Pin-Yu Chen,Ronny Luss,Chun-Chen Tu,Paishun Ting,Karthikeyan Shanmugam,Payel Das +6 more
TL;DR: A novel method that provides contrastive explanations justifying the classification of an input by a black box classifier such as a deep neural network is proposed and it is argued that such explanations are natural for humans and are used commonly in domains such as health care and criminology.
Journal ArticleDOI
Aggregation of γ-crystallins associated with human cataracts via domain swapping at the C-terminal β-strands
TL;DR: The present results suggest that γD-crystallin may polymerize through successive domain swapping of those three C-terminal β-strands leading to age-onset cataract, as an evolutionary cost of its very high stability.
Journal ArticleDOI
Accelerated antimicrobial discovery via deep generative models and molecular dynamics simulations.
Payel Das,Payel Das,Tom Sercu,Tom Sercu,Kahini Wadhawan,Inkit Padhi,Sebastian Gehrmann,Sebastian Gehrmann,Flaviu Cipcigan,Vijil Chenthamarakshan,Hendrik Strobelt,Cicero Nogueira dos Santos,Cicero Nogueira dos Santos,Pin-Yu Chen,Yi Yan Yang,Jeremy P. K. Tan,James L. Hedrick,Jason Crain,Jason Crain,Aleksandra Mojsilovic +19 more
TL;DR: In this article, a computational method leveraging deep learning and molecular dynamics simulations enables the rapid discovery of antimicrobial peptides with low toxicity and with high potency against diverse Gram-positive and Gram-negative pathogens.