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🔍 archit gupta 📂 Engineering 📄 Preprint
Showing 151 results for "archit gupta" in Engineering · Preprint
Engineering Preprint PDF DOI

Beyond Acoustic Sparsity and Linguistic Bias: A Prompt-Free Paradigm for Mispronunciation Detection and Diagnosis

Haopeng Geng, Longfei Yang, Xi Chen, Haitong Sun, Daisuke Saito, Nobuaki Minematsu · 2026

Mispronunciation Detection and Diagnosis (MDD) requires modeling fine-grained acoustic deviations. However, current ASR-derived MDD systems often face inherent limitations. In particular, CTC-based mo…

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Engineering Preprint PDF DOI

Agent-Driven Autonomous Reinforcement Learning Research: Iterative Policy Improvement for Quadruped Locomotion

Nimesh Khandelwal, Shakti S. Gupta · 2026

This paper documents a case study in agent-driven autonomous reinforcement learning research for quadruped locomotion. The setting was not a fully self-starting research system. A human provided high-…

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Engineering Preprint PDF DOI

Offshore oil and gas platform dynamics in the North Sea, Gulf of Mexico, and Persian Gulf: Exploiting the Sentinel-1 archive

Robin Spanier, Thorsten Hoeser, John Truckenbrodt, Felix Bachofer, Claudia Kuenzer · 2026

The increasing use of marine spaces by offshore infrastructure, including oil and gas platforms, underscores the need for consistent, scalable monitoring. Offshore development has economic, environmen…

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Engineering Preprint PDF DOI

ARCHE: Autoregressive Residual Compression with Hyperprior and Excitation

Sofia Iliopoulou, Dimitris Ampeliotis, Athanassios Skodras · 2026

Recent progress in learning-based image compression has demonstrated that end-to-end optimization can substantially outperform traditional codecs by jointly learning compact latent representations and…

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Engineering Preprint PDF DOI

SAIL: Test-Time Scaling for In-Context Imitation Learning with VLM

Makoto Sato, Yusuke Iwasawa, Yujin Tang, So Kuroki · 2026

In-context imitation learning allows robots to acquire skills from demonstrations, yet one-shot trajectory generation remains fragile under environmental variation. We propose SAIL, a framework that r…

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Engineering Preprint PDF DOI

Frequency-Enhanced Hilbert Scanning Mamba for Short-Term Arctic Sea Ice Concentration Prediction

Feng Gao, Zheng Gong, Wenli Liu, Yanhai Gan, Zhuoran Zheng, Junyu Dong, Qian Du · 2026

While Mamba models offer efficient sequence modeling, vanilla versions struggle with temporal correlations and boundary details in Arctic sea ice concentration (SIC) prediction. To address these limit…

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Engineering Preprint PDF DOI

ARCHI-TTS: A flow-matching-based Text-to-Speech Model with Self-supervised Semantic Aligner and Accelerated Inference

Chunyat Wu, Jiajun Deng, Zhengxi Liu, Zheqi Dai, Haolin He, Qiuqiang Kong · 2026

Although diffusion-based, non-autoregressive text-to-speech (TTS) systems have demonstrated impressive zero-shot synthesis capabilities, their efficacy is still hindered by two key challenges: the dif…

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Engineering Preprint PDF DOI

A Gradient Boosted Mixed-Model Machine Learning Framework for Vessel Speed in the U.S. Arctic

Mauli Pant, Linda Fernandez, Indranil Sahoo · 2026

Understanding how environmental and operational conditions influence vessel speed is crucial for characterizing navigational conditions in the Arctic. We analyzed Automatic Identification System (AIS)…

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Engineering Preprint PDF DOI

Hierarchical Informative Path Planning via Graph Guidance and Trajectory Optimization

Avraiem Iskandar, Shamak Dutta, Kevin Murrant, Yash Vardhan Pant, Stephen L. Smith · 2026

We study informative path planning (IPP) with travel budgets in cluttered environments, where an agent collects measurements of a latent field modeled as a Gaussian process (GP) to reduce uncertainty …

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Engineering Preprint PDF DOI

A Hybrid Machine Learning Framework for Improved Short-Term Peak-Flow Forecasting

Gabriele Bertoli, Kai Schroeter, Rossella Arcucci, Enrica Caporali · 2026

Reliable river flow forecasting is an essential component of flood risk management and early warning systems. It enables improved emergency response coordination and is critical for protecting infrast…

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Engineering Preprint PDF DOI

LLM-DMD: Large Language Model-based Power System Dynamic Model Discovery

Chao Shen, Zihan Guo, Ke Zuo, Wenqi Huang, Mingyang Sun · 2026

Current model structural discovery methods for power system dynamics impose rigid priors on the basis functions and variable sets of dynamic models while often neglecting algebraic constraints, thereb…

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Engineering Preprint PDF DOI

BioimageAIpub: a toolbox for AI-ready bioimaging data publishing

Stefan Dvoretskii, Anwai Archit, Constantin Pape, Josh Moore, Marco Nolden · 2025

Modern bioimage analysis approaches are data hungry, making it necessary for researchers to scavenge data beyond those collected within their (bio)imaging facilities. In addition to scale, bioimaging …

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Engineering Preprint PDF DOI

Connectivity-Aware Task Offloading for Remote Northern Regions: a Hybrid LEO-MEO Architecture

Mohammed Almekhlafi, Antoine Lesage-Landry, Gunes Karabulut Kurt · 2025

Arctic regions, such as northern Canada, face significant challenges in achieving consistent connectivity and low-latency computing services due to the sparse coverage of Low Earth Orbit (LEO) satelli…

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Engineering Preprint PDF DOI

RIR-Mega: a large-scale simulated room impulse response dataset for machine learning and room acoustics modeling

Mandip Goswami · 2025

Room impulse responses are a core resource for dereverberation, robust speech recognition, source localization, and room acoustics estimation. We present RIR-Mega, a large collection of simulated RIRs…

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Engineering Preprint PDF DOI

Ego-Vision World Model for Humanoid Contact Planning

Hang Liu, Yuman Gao, Sangli Teng, Yufeng Chi, Yakun Sophia Shao, Zhongyu Li, Maani Ghaffari, Koushil Sreenath · 2025

Enabling humanoid robots to exploit physical contact, rather than simply avoid collisions, is crucial for autonomy in unstructured environments. Traditional optimization-based planners struggle with c…

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Engineering Preprint PDF DOI

An Eulerian Data Assimilation Method for Two-Layer Quasi-Geostrophic Model in Physical Domain

Hyeonggeun Yun, Quanling Deng · 2025

Data assimilation (DA) integrates observational data with numerical models to improve the prediction of complex physical systems. However, traditional DA methods often struggle with nonlinear dynamics…

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Engineering Preprint PDF DOI

Spatial Correlation and Degrees of Freedom in Arched HMIMO Arrays: A Closed-Form Analysis

Liuxun Xue, Shu Sun, Hangsong Yan · 2025

This paper presents a closed-form analysis of spatial correlation and degrees of freedom (DoF) for arched holographic multiple-input multiple-output (HMIMO) arrays, which can be viewed as a special fo…

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Engineering Preprint PDF DOI

Sspherical sailing omnidirectional rover (SSailOR): wind tunnel experimental setup and results

Aditya Varanwal, Parin Shah, George Carrion, Ashley Ortenburg, Diego Ramirez-Gomez, Chris Vermillion, Andre P. Mazzoleni · 2025

This paper presents the design, instrumentation, and experimental procedures used to test the Spherical Sailing Omnidirectional Rover (SSailOR) in a controlled wind tunnel environment. The SSailOR is …

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Engineering Preprint PDF DOI

Dual-Attention U-Net++ with Class-Specific Ensembles and Bayesian Hyperparameter Optimization for Precise Wound and Scale Marker Segmentation

Daniel Cieslak, Miriam Reca, Olena Onyshchenko, Jacek Ruminski · 2025

Accurate segmentation of wounds and scale markers in clinical images remainsa significant challenge, crucial for effective wound management and automatedassessment. In this study, we propose a novel d…

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Engineering Preprint PDF DOI

Generating Diverse Challenging Terrains for Legged Robots Using Quality-Diversity Algorithm

Arthur Esquerre-Pourtere, Minsoo Kim, Jaeheung Park · 2025

While legged robots have achieved significant advancements in recent years, ensuring the robustness of their controllers on unstructured terrains remains challenging. It requires generating diverse an…

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