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๐Ÿ” vivek sarkar ๐Ÿ“‚ Engineering
Showing 337 results for "vivek sarkar" in Engineering
Engineering Preprint PDF DOI

FingerEye: Continuous and Unified Vision-Tactile Sensing for Dexterous Manipulation

Zhixuan Xu, Yichen Li, Xuanye Wu, Tianyu Qiu, Lin Shao ยท 2026

Dexterous robotic manipulation requires comprehensive perception across all phases of interaction: pre-contact, contact initiation, and post-contact. Such continuous feedback allows a robot to adapt iโ€ฆ

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Engineering Preprint PDF DOI

A multi-platform LiDAR dataset for standardized forest inventory measurement at long term ecological monitoring sites

Michael R. Chang, Anna Candotti, Karl von Ellenrieder, Enrico Tomelleri, Marco Camurri ยท 2026

We present a curated multi-platform LiDAR reference dataset from an instrumented ICOS forest plot, explicitly designed to support calibration, benchmarking, and integration of 3D structural data with โ€ฆ

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Engineering Preprint PDF DOI

Utilizing Inpainting for Keypoint Detection for Vision-Based Control of Robotic Manipulators

Sreejani Chatterjee, Venkatesh Mullur, Abhinav Gandhi, Berk Calli ยท 2026

In this paper we present a novel visual servoing framework to control a robotic manipulator in the configuration space by using purely natural visual features. Our goal is to develop methods that can โ€ฆ

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Engineering Preprint PDF DOI

AnySlot: Goal-Conditioned Vision-Language-Action Policies for Zero-Shot Slot-Level Placement

Zhaofeng Hu, Sifan Zhou, Qinbo Zhang, Rongtao Xu, Qi Su, Ci-Jyun Liang ยท 2026

Vision-Language-Action (VLA) policies have emerged as a versatile paradigm for generalist robotic manipulation. However, precise object placement under compositional language instructions remains a maโ€ฆ

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Engineering Preprint PDF DOI

AMO-ENE: Attention-based Multi-Omics Fusion Model for Outcome Prediction in Extra Nodal Extension and HPV-associated Oropharyngeal Cancer

Gautier Henique, William Le, Gabriel Dayan, Coralie Brodeur, Kristoff Nelson, Apostolos Christopoulos, Edith Filion, Phuc-Felix Nguyen-Tan, Laurent Letourneau-Guillon, Houda Bahig, Samuel Kadoury ยท 2026

Extranodal extension (ENE) is an emerging prognostic factor in human papillomavirus (HPV)-associated oropharyngeal cancer (OPC), although it is currently omitted as a clinical staging criteria. Recentโ€ฆ

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Engineering Preprint PDF DOI

Tac2Real: Reliable and GPU Visuotactile Simulation for Online Reinforcement Learning and Zero-Shot Real-World Deployment

Ningyu Yan, Shuai Wang, Xing Shen, Hui Wang, Hanqing Wang, Yang Xiang, Jiangmiao Pang ยท 2026

Visuotactile sensors are indispensable for contact-rich robotic manipulation tasks. However, policy learning with tactile feedback in simulation, especially for online reinforcement learning (RL), remโ€ฆ

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Engineering Preprint PDF DOI

RAFL: Generalizable Sim-to-Real of Soft Robots with Residual Acceleration Field Learning

Dong Heon Cho, Boyuan Chen ยท 2026

Differentiable simulators enable gradient-based optimization of soft robots over material parameters, control, and morphology, but accurately modeling real systems remains challenging due to the sim-tโ€ฆ

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Engineering Preprint PDF DOI

Battery health reporting fails independent validation across manufacturers

Jeongju Park, Kyungkak Kim, Seungho Geum, Junhyung Lee, Hyeongyu Son, Sekyung Han ยท 2026

Battery state-of-health (SOH) reported by on-board battery management systems (BMS) is the primary metric available to electric vehicle (EV) owners and regulators, yet no study has validated its reliaโ€ฆ

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Engineering Preprint PDF DOI

HortiMulti: A Multi-Sensor Dataset for Localisation and Mapping in Horticultural Polytunnels

Shuoyuan Xu, Zhipeng Zhong, Tiago Barros, Matthew Coombes, Cristiano Premebida, Hao Wu, Cunjia Liu ยท 2026

Agricultural robotics is gaining increasing relevance in both research and real-world deployment. As these systems are expected to operate autonomously in more complex tasks, the availability of repreโ€ฆ

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Engineering Preprint PDF DOI

Coordinated Manipulation of Hybrid Deformable-Rigid Objects in Constrained Environments

Anees Peringal, Anup Teejo Mathew, Panagiotis liatsis, Federico Renda ยท 2026

Coordinated robotic manipulation of deformable linear objects (DLOs), such as ropes and cables, has been widely studied; however, handling hybrid assemblies composed of both deformable and rigid elemeโ€ฆ

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Engineering Preprint PDF DOI

Vision-Based Hand Shadowing for Robotic Manipulation via Inverse Kinematics

Hendrik Chiche, Antoine Jamme, Trevor Rigoberto Martinez ยท 2026

Teleoperation of low-cost robotic manipulators remains challenging due to the complexity of mapping human hand articulations to robot joint commands. We present an offline hand-shadowing and retargetiโ€ฆ

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Engineering Preprint PDF DOI

Distributed State Estimation for Vision-Based Cooperative Slung Load Transportation in GPS-Denied Environments

Jack R. Pence, Jackson Fezell, Jack W. Langelaan, Junyi Geng ยท 2026

Transporting heavy or oversized slung loads using rotorcraft has traditionally relied on single-aircraft systems, which limits both payload capacity and control authority. Cooperative multilift using โ€ฆ

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Engineering Preprint PDF DOI

Biomechanically Accurate Gait Analysis: A 3d Human Reconstruction Framework for Markerless Estimation of Gait Parameters

Akila Pemasiri, Ethan Goan, Glen Lichtwark, Robert Schuster, Luke Kelly, Clinton Fookes ยท 2026

This paper presents a biomechanically interpretable framework for gait analysis using 3D human reconstruction from video data. Unlike conventional keypoint based approaches, the proposed method extracโ€ฆ

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Engineering Preprint PDF DOI

TactiVerse: Generalizing Multi-Point Tactile Sensing in Soft Robotics Using Single-Point Data

Junhui Lee, Hyosung Kim, Saekwang Nam ยท 2026

Real-time prediction of deformation in highly compliant soft materials remains a significant challenge in soft robotics. While vision-based soft tactile sensors can track internal marker displacementsโ€ฆ

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Engineering Preprint PDF DOI

Docking and Persistent Operations for a Resident Underwater Vehicle

Leonard Gunzel, Gabriele Kasparaviciute, Ambj{o}rn Grimsrud Waldum, Bj{o}rn-Magnus Mosl{aa}tt, Abubakar Aliyu Badawi, Celil Y{i}lmaz, Md Shamin Yeasher Yousha, Robert Staven, Martin Ludvigsen ยท 2026

Our understanding of the oceans remains limited by sparse and infrequent observations, primarily because current methods are constrained by the high cost and logistical effort of underwater monitoringโ€ฆ

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Engineering Preprint PDF DOI

Cross-Frequency Bispectral EEG Analysis of Reach-to-Grasp Planning and Execution

Sima Ghafoori, Anna Cetera, Ali Rabiee, MH Farhadi, Rahul Singh, Mariusz Furmanek, Yalda Shahriari, Reza Abiri ยท 2026

Neural control of grasping arises from nonlinear interactions across multiple brain rhythms, yet EEG-based motor decoding has largely relied on linear, second-order spectral features. Here, we examineโ€ฆ

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Engineering Preprint PDF DOI

Estimation of Ground Reaction Forces from Kinematic Data during Locomotion

Gautami Golani, Dong Anh Khoa To, Ananda Sidarta, Arun-Kumar Kaliya-Perumal, Oliver Roberts, Lek Syn Lim, Jim Patton, Domenico Campolo ยท 2026

Ground reaction forces (GRFs) provide fundamental insight into human gait mechanics and are widely used to assess joint loading, limb symmetry, balance control, and motor function. Despite their cliniโ€ฆ

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Engineering Preprint PDF DOI

Moving Beyond Compliance in Soft-Robotic Catheters Through Modularity for Precision Therapies

B. Calme, N. J. Greenidge, A. Metcalf, A. Bacchetti, G. Loza, D. Kpeglo, P. Lloyd, V. Pensabene, J. H. Chandler, P. Valdastri ยท 2026

Soft robotic instruments could navigate delicate, tortuous anatomy more safely than rigid tools, but clinical adoption is limited by insufficient tip functionalization and real-time feedback at the tiโ€ฆ

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Engineering Preprint PDF DOI

Visual Marker Search for Autonomous Drone Landing in Diverse Urban Environments

Jiaohong Yao, Linfeng Liang, Yao Deng, Xi Zheng, Richard Han, Yuankai Qi ยท 2026

Marker-based landing is widely used in drone delivery and return-to-base systems for its simplicity and reliability. However, most approaches assume idealized landing site visibility and sensor perforโ€ฆ

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Engineering Preprint PDF DOI

Fiducial Exoskeletons: Image-Centric Robot State Estimation

Cameron Smith, Basile Van Hoorick, Vitor Guizilini, Yue Wang ยท 2026

We introduce Fiducial Exoskeletons, an image-based reformulation of 3D robot state estimation that replaces cumbersome procedures and motor-centric pipelines with single-image inference. Traditional aโ€ฆ

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