Publications (36)
LAPS-Diff: A Diffusion-Based Framework for Singing Voice Synthesis With Language Aware Prosody-Style Guided Learning
Sandipan Dhar, Mayank Gupta, Preeti Rao
The field of Singing Voice Synthesis (SVS) has seen significant advancements in recent years due to the rapid progress of diffusion-based approaches. However, capturing vocal style…
Decision-oriented benchmarking to transform AI weather forecast access: Application to the Indian monsoon
Rajat Masiwal, Colin Aitken, Adam Marchakitus +9
Artificial intelligence weather prediction (AIWP) models now often outperform traditional physics-based models on common metrics while requiring orders-of-magnitude less computing…
Effective tight-binding Hamiltonian for the low-energy electronic structure of the Cu-doped lead apatite and the parent compound
Mayank Gupta, S. Satpathy, B. R. K. Nanda
We examine the origin of the formation of narrow bands in LK-99 (PbCu(PO)O) and the parent compound without the Cu doping using density functional theory calculations…
Defining the Topological Influencers and Predictive Principles to Engineer Band Structure of Halide Perovskites
Ravi Kashikar, Mayank Gupta, B. R. K. Nanda
Complex quantum coupling phenomena of halide perovskites are examined through ab-initio calculations and exact diagonalization of model Hamiltonians to formulate a set of fundament…
Parametric Synthesis of Text on Stylized Backgrounds using PGGANs
Mayank Gupta, Abhinav Kumar, Sriganesh Madhvanath
We describe a novel method of generating high-resolution real-world images of text where the style and textual content of the images are described parametrically. Our method combin…
Gall Bladder Cancer Detection from US Images with Only Image Level Labels
Soumen Basu, Ashish Papanai, Mayank Gupta +2
Automated detection of Gallbladder Cancer (GBC) from Ultrasound (US) images is an important problem, which has drawn increased interest from researchers. However, most of these wor…
A Generic Slater-Koster Description of the Electronic Structure of Centrosymmetric Halide Perovskites
Ravi Kashikar, Mayank Gupta, B. R. K. Nanda
The halide perovskites have truly emerged as efficient optoelectronic materials and show the promise of exhibiting nontrivial topological phases. Since the bandgap is the determini…
Designing probabilistic AI monsoon forecasts to inform agricultural decision-making
Colin Aitken, Rajat Masiwal, Adam Marchakitus +7
Hundreds of millions of farmers make high-stakes decisions under uncertainty about future weather. Forecasts can inform these decisions, but available choices and their risks and b…
Electronic structure and optoelectronic properties of halide double perovskites: Fundamental insights and design of a theoretical workflow
Mayank Gupta, Susmita Jana, B. R. K. Nanda
Like single perovskites, halide double perovskites (HDP) have truly emerged as efficient optoelectronic materials since they display superior stability and are free of toxicity. Ho…
Chirality-Induced Spin Selectivity: Nonlinear Spin Response from Electron-Phonon Scattering
Mayank Gupta, Andrew Grieder, Mayada Fadel +4
Chirality-induced spin selectivity (CISS) generates spin-polarized currents in nonmagnetic materials from structural chirality alone, yet its microscopic origin remains debated. Us…
A Supervised Learning Approach for Robust Health Monitoring using Face Videos
Mayank Gupta, Lingjun Chen, Denny Yu +1
Monitoring of cardiovascular activity is highly desired and can enable novel applications in diagnosing potential cardiovascular diseases and maintaining an individual's well-being…
Graphs RAG at Scale: Beyond Retrieval-Augmented Generation With Labeled Property Graphs and Resource Description Framework for Complex and Unknown Search Spaces
Manie Tadayon, Mayank Gupta
Recent advances in Retrieval-Augmented Generation (RAG) have revolutionized knowledge-intensive tasks, yet traditional RAG methods struggle when the search space is unknown or when…
Spin Dynamics in Hybrid Halide Perovskites -- Effect of Dynamical and Permanent Symmetry Breaking
Kejun Li, Junqing Xu, Uyen N. Huynh +7
The hybrid organic-inorganic halide perovskite (HOIP), for example MAPbBr3, exhibits extended spin lifetime and apparent spin lifetime anisotropy in experiments. The underlying mec…
OpenAI GPT-5 System Card
Aaditya Singh, Adam Fry, Adam Perelman +483
This is the system card published alongside the OpenAI GPT-5 launch, August 2025. GPT-5 is a unified system with a smart and fast model that answers most questions, a deeper reason…
Spin Texture as Polarization Fingerprint of Halide Perovskites
Mayank Gupta, B. R. K. Nanda
Halide perovskites are perceived to be the promising class of materials for optoelectronics, spinorbitronics and topological electronics due to presence of strong spin-orbit coupli…
Spatio-temporal spin transport from first principles
Mayada Fadel, Joshua Quinton, Mani Chandra +3
We introduce a computational framework for first-principles density matrix transport within the Wigner function formalism to predict transport of quantum-mechanical degrees of free…
Improving Human-Labeled Data through Dynamic Automatic Conflict Resolution
David Q. Sun, Hadas Kotek, Christopher Klein +3
This paper develops and implements a scalable methodology for (a) estimating the noisiness of labels produced by a typical crowdsourcing semantic annotation task, and (b) reducing…
Learning to Navigate Autonomously in Outdoor Environments : MAVNet
Saumya Kumaar, Arpit Sangotra, Sudakshin Kumar +3
In the modern era of automation and robotics, autonomous vehicles are currently the focus of academic and industrial research. With the ever increasing number of unmanned aerial ve…
Global Estimates of Spatially Distributed Surface Energy Fluxes using Thermodynamic Principles
Mayank Gupta, Martin Wild, Subimal Ghosh
Limited surface observations of turbulent heat fluxes result in incomplete knowledge about the surface energy balance that drives the climate system. Here, we developed a novel, pu…
Spin lifetime anisotropy in graphene induced by the SiO2 interface
Aron W. Cummings, Chunhao Guo, Andrew Grieder +5
Understanding how common dielectric substrates influence the spin transport properties of graphene is essential for advancing graphene-based spintronic technologies. Here we use a…
Surpassing the Human Accuracy: Detecting Gallbladder Cancer from USG Images with Curriculum Learning
Soumen Basu, Mayank Gupta, Pratyaksha Rana +2
We explore the potential of CNN-based models for gallbladder cancer (GBC) detection from ultrasound (USG) images as no prior study is known. USG is the most common diagnostic modal…
ChaMAILeon: Simplified email sharing like never before!
Prateek Dewan, Mayank Gupta, Ponnurangam Kumaraguru
While passwords, by definition, are meant to be secret, recent trends in the Internet usage have witnessed an increasing number of people sharing their email passwords for both per…
Unsupervised Contrastive Learning of Image Representations from Ultrasound Videos with Hard Negative Mining
Soumen Basu, Somanshu Singla, Mayank Gupta +3
Rich temporal information and variations in viewpoints make video data an attractive choice for learning image representations using unsupervised contrastive learning (UCL) techniq…
Pressure and Inversion Symmetry Breaking Field Driven First Order Phase Transition and Formation of Dirac Circle in Perovskites
Ashish Kore, Ravi Kashikar, Mayank Gupta +2
Through model Hamiltonian studies and first-principle electronic structure calculations, we have examined the effect of inversion symmetry breaking (ISB) field and hydrostatic pres…
The Amazon Nova Family of Models: Technical Report and Model Card
Amazon AGI, Aaron Langford, Aayush Shah +783
We present Amazon Nova, a new generation of state-of-the-art foundation models that deliver frontier intelligence and industry-leading price performance. Amazon Nova Pro is a highl…
GPT-4o System Card
OpenAI, :, Aaron Hurst +416
GPT-4o is an autoregressive omni model that accepts as input any combination of text, audio, image, and video, and generates any combination of text, audio, and image outputs. It's…
Gemma 4 Technical Report
Gemma Team, Sherif El Abd, Vaibhav Aggarwal +320
We introduce Gemma 4, a new generation of open-weight, natively multimodal language models in the Gemma model family. Designed to advance compute efficiency and reasoning, the Gemm…
Doping induced singlet to triplet superconducting transition in BaCuO
Priyo Adhikary, Mayank Gupta, B. R. K. Nanda +1
In this study, we perform a numerical simulation on the recently discovered high-temperature superconductor (= 73K) BaCuO \cite{lietal} while focusing on doping de…
Compressive Light Field Reconstructions using Deep Learning
Mayank Gupta, Arjun Jauhari, Kuldeep Kulkarni +3
Light field imaging is limited in its computational processing demands of high sampling for both spatial and angular dimensions. Single-shot light field cameras sacrifice spatial r…
RadFormer: Transformers with Global-Local Attention for Interpretable and Accurate Gallbladder Cancer Detection
Soumen Basu, Mayank Gupta, Pratyaksha Rana +2
We propose a novel deep neural network architecture to learn interpretable representation for medical image analysis. Our architecture generates a global attention for region of in…
Unique Superconducting State in the Cuprate Member BaCuO
Priyo Adhikary, Mayank Gupta, Amit Chauhan +3
Recent discovery of superconductivity at a transition temperature of K in the doped layered compound BaCuO for has generated a lot of interest. Experi…
Single-Shot High-Energy Muon and Particle Radiography with a Multi-GeV Laser-Wakefield-Accelerator-Driven Source
Kaixin Zhu, G. Jackson Williams, Roberto Versaci +29
The authors demonstrate single-shot radiography using a multi‑GeV laser‑wakefield accelerator that generates a beam of muons, pions, and neutrons, successfully imaging objects thro…
Electron confinement in chain-doped TMDs: A platform for spin-orbit coupled 1D physics
Mayank Gupta, Amit Chauhan, S. Satpathy +1
The state-of-the-art defect engineering techniques have paved the way to realize novel quantum phases out of pristine materials. Here, through density-functional calculations and m…
A Comparison of the Triangle Algorithm and SMO for Solving the Hard Margin Problem
Mayank Gupta, Bahman Kalantari
In this article we consider the problem of testing, for two finite sets of points in the Euclidean space, if their convex hulls are disjoint and computing an optimal supporting hyp…
Covfefe: A Computer Vision Approach For Estimating Force Exertion
Vaneet Aggarwal, Hamed Asadi, Mayank Gupta +2
Cumulative exposure to repetitive and forceful activities may lead to musculoskeletal injuries which not only reduce workers' efficiency and productivity, but also affect their qua…
ChaMAILeon: Exploring the Usability of a Privacy Preserving Email Sharing System
Prateek Dewan, Niharika Sachdeva, Mayank Gupta +1
While passwords, by definition, are meant to be secret, recent trends have witnessed an increasing number of people sharing their email passwords with friends, colleagues, and sign…