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🔍 vikram singh 📂 Engineering 📄 Preprint
Showing 123 results for "vikram singh" in Engineering · Preprint
Engineering Preprint PDF DOI

CBAM-Enhanced DenseNet121 for Multi-Class Chest X-Ray Classification with Grad-CAM Explainability

Utsho Kumar Dey · 2026

Pneumonia remains a leading cause of childhood mortality worldwide, with a heavy burden in low-resource settings such as Bangladesh where radiologist availability is limited. Most existing deep learni…

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Engineering Preprint PDF DOI

Matched Filter-Based Molecule Source Localization in Advection-Diffusion-Driven Pipe Networks with Known Topology

Timo Jakumeit, Bastian Heinlein, Vukasin Spasojevic, Vahid Jamali, Robert Schober, Maximilian Schafer · 2026

Synthetic molecular communication (MC) has emerged as a powerful framework for modeling, analyzing, and designing communication systems where information is encoded into properties of molecules. Among…

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Engineering Preprint PDF DOI

MamTra: A Hybrid Mamba-Transformer Backbone for Speech Synthesis

Tan Dat Nguyen, Sangmin Bae, Joon Son Chung, Ji-Hoon Kim · 2026

Despite the remarkable quality of LLM-based text-to-speech systems, their reliance on autoregressive Transformers leads to quadratic computational complexity, which severely limits practical applicati…

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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

Compact Task-Aligned Imitation Learning for Laboratory Automation

Kanata Suzuki, Hanon Nakamurama, Kana Miyamoto, Tetsuya Ogata · 2026

Robotic laboratory automation has traditionally relied on carefully engineered motion pipelines and task-specific hardware interfaces, resulting in high design cost and limited flexibility. While rece…

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Engineering Preprint PDF DOI

Windowed SummaryMixing: An Efficient Fine-Tuning of Self-Supervised Learning Models for Low-resource Speech Recognition

Aditya Srinivas Menon, Kumud Tripathi, Raj Gohil, Pankaj Wasnik · 2026

Self-supervised learning (SSL) has advanced speech processing but suffers from quadratic complexity due to self-attention. To address this, SummaryMixing (SM) has been proposed as a linear-time altern…

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Engineering Preprint PDF DOI

Packet Detection in a Filter Bank-Based Ultra-Wideband Communication System

Brian Nelson, Behrouz Farhang-Boroujeny · 2025

Recently, filter bank multi-carrier spread spectrum (FBMC-SS) technology has been proposed for use in ultra-wideband (UWB) communication systems. It has been noted that, due to the spectral partitioni…

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Engineering Preprint PDF DOI

Towards Accessible Physical AI: LoRA-Based Fine-Tuning of VLA Models for Real-World Robot Control

Abdullah Yahya Abdullah Omaisan, Ibrahim Sheikh Mohamed · 2025

Vision-Language-Action (VLA) models have demonstrated remarkable capabilities in robotic manipulation,enabling robots to execute natural language commands through end-to-end learning from visual obser…

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Engineering Preprint PDF DOI

MedCondDiff: Lightweight, Robust, Semantically Guided Diffusion for Medical Image Segmentation

Ruirui Huang, Jiacheng Li · 2025

We introduce MedCondDiff, a diffusion-based framework for multi-organ medical image segmentation that is efficient and anatomically grounded. The model conditions the denoising process on semantic pri…

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Engineering Preprint PDF DOI

VIRAL: Visual Sim-to-Real at Scale for Humanoid Loco-Manipulation

Tairan He, Zi Wang, Haoru Xue, Qingwei Ben, Zhengyi Luo, Wenli Xiao, Ye Yuan, Xingye Da, Fernando Castaneda, Shankar Sastry, Changliu Liu, Guanya Shi, Linxi Fan, Yuke Zhu · 2025

A key barrier to the real-world deployment of humanoid robots is the lack of autonomous loco-manipulation skills. We introduce VIRAL, a visual sim-to-real framework that learns humanoid loco-manipulat…

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Engineering Preprint PDF DOI

ViPRA: Video Prediction for Robot Actions

Sandeep Routray, Hengkai Pan, Unnat Jain, Shikhar Bahl, Deepak Pathak · 2025

Can we turn a video prediction model into a robot policy? Videos, including those of humans or teleoperated robots, capture rich physical interactions. However, most of them lack labeled actions, whic…

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Engineering Preprint PDF DOI

Coordinate-Consistent Localization via Continuous-Time Calibration and Fusion of UWB and SLAM Observations

Tien-Dat Nguyen, Thien-Minh Nguyen, Vinh-Hao Nguyen · 2025

Onboard simultaneous localization and mapping (SLAM) methods are commonly used to provide accurate localization information for autonomous robots. However, the coordinate origin of SLAM estimate often…

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Engineering Preprint PDF DOI

SPADE: Structured Pruning and Adaptive Distillation for Efficient LLM-TTS

Tan Dat Nguyen, Jaehun Kim, Ji-Hoon Kim, Shukjae Choi, Youshin Lim, Joon Son Chung · 2025

The goal of this paper is to introduce SPADE, a framework for Structured Pruning and Adaptive Distillation for Efficient Large Language Model-based text-to-speech (LLM-TTS). Recent LLM-TTS systems ach…

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Engineering Preprint PDF DOI

Benchmarking Massively Parallelized Multi-Task Reinforcement Learning for Robotics Tasks

Viraj Joshi, Zifan Xu, Bo Liu, Peter Stone, Amy Zhang · 2025

Multi-task Reinforcement Learning (MTRL) has emerged as a critical training paradigm for applying reinforcement learning (RL) to a set of complex real-world robotic tasks, which demands a generalizabl…

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Engineering Preprint PDF DOI

Deep-Learning-Assisted Highly-Accurate COVID-19 Diagnosis on Lung Computed Tomography Images

Yinuo Wang, Juhyun Bae, Ka Ho Chow, Shenyang Chen, Shreyash Gupta · 2025

COVID-19 is a severe and acute viral disease that can cause symptoms consistent with pneumonia in which inflammation is caused in the alveolous regions of the lungs leading to a build-up of fluid and …

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Engineering Preprint PDF DOI

A Comprehensive Analysis of COVID-19 Detection Using Bangladeshi Data and Explainable AI

Shuvashis Sarker · 2025

COVID-19 is a rapidly spreading and highly infectious virus which has triggered a global pandemic, profoundly affecting millions across the world. The pandemic has introduced unprecedented challenges …

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Engineering Preprint PDF DOI

Rodent Breathing Waveforms in ApoE Rats: Statistical and Entropic Differentiation

Stephen E. Wormald, Nicholas J. Napoli, Gordon S. Mitchell, Alexandria B. Marciante · 2025

Apolipoprotein E (ApoE) gene variations are involved in lipid metabolism and cholesterol transport, with the ApoE4 allele being a known risk factor associated with neurodegenerative conditions later i…

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Engineering Preprint PDF DOI

Comparative Evaluation of Radiomics and Deep Learning Models for Disease Detection in Chest Radiography

Zhijin He, Alan B. McMillan · 2025

The application of artificial intelligence (AI) in medical imaging has revolutionized diagnostic practices, enabling advanced analysis and interpretation of radiological data. This study presents a co…

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Engineering Preprint PDF DOI

Automated diagnosis of lung diseases using vision transformer: a comparative study on chest x-ray classification

Muhammad Ahmad, Sardar Usman, Ildar Batyrshin, Muhammad Muzammil, K. Sajid, M. Hasnain, Muhammad Jalal, Grigori Sidorov · 2025

Background: Lung disease is a significant health issue, particularly in children and elderly individuals. It often results from lung infections and is one of the leading causes of mortality in childre…

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Engineering Preprint PDF DOI

SING: Semantic Image Communications using Null-Space and INN-Guided Diffusion Models

Jiakang Chen, Selim F. Yilmaz, Di You, Pier Luigi Dragotti, Deniz Gunduz · 2025

Joint source-channel coding systems based on deep neural networks (DeepJSCC) have recently demonstrated remarkable performance in wireless image transmission. Existing methods primarily focus on minim…

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