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Showing 20 of 465 academic articles

Improved object detection method for autonomous driving based on DETR

Huaqi Zhao, Songnan Zhang, Xiang Peng, Zhengguang Lu et al. • Frontiers in Neurorobotics (2025)

Object detection is a critical component in the development of autonomous driving technology and has demonstrated significant growth potential. To address the limitations of current techniques, this paper presents an improved object detecti...

DOAJ Open Access (DOAJ) DOI: 10.3389/fnbot.2024.1484276

Nanotechnology in dentistry

R. Vijayalakshmi, S. Ashok Kumar • Indian Journal of Dental Research (2006)

Nanotechnology is manipulating matter at nanometer level and the application of the same to medicine is called nanomedicine. Nanotechnology holds promise for advanced diagnostics, targeted drug delivery, and biosensors. In the long-term, me...

OPENALEX Open Access DOI: https://doi.org/10.4103/0970-9290.29890

SN 2023ixf in M101: Physical Parameters from Bolometric Light Curve Modeling

József Vinkó, Zsófia Réka Bodola, Ákos Gődény, Szelina Fruzsina Csák et al. • The Astrophysical Journal (2025)

We present new photometric observations of the core-collapse supernova SN 2023ixf occurred in M101, taken with the RC 80 and BRC80 robotic telescopes in Hungary. The initial nickel mass from the late-phase bolometric light curve extending u...

DOAJ Open Access (DOAJ) DOI: 10.3847/1538-4357/ae0614

Parameter Fuzzy Self-Adaptive Dynamic Window Approach for Local Path Planning of Wheeled Robot

Lidan Xiang, Ximin Li, Hao Liu, Peng Li • IEEE Open Journal of Intelligent Transportation Systems (2022)

As a classic algorithm for realizing robot local path planning, the dynamic window approach (DWA) uses an objective function to choose the optimal velocity commands. However, the path generated by the DWA in the complex environment is not s...

DOAJ Open Access (DOAJ) DOI: 10.1109/OJITS.2021.3137931

Seasonal Variations in Total Antioxidant Capacity and Total Phenolics Content of Leaves of <i>Phyllostachys<i> Taxa Using Different Extraction Methods

András NEMÉNYI, Éva STEFANOVITSNÉ-BÁNYAI, Szonja Szimóna BURJÁN, Zoltán PÉK et al. • Notulae Botanicae Horti Agrobotanici Cluj-Napoca (2014)

Changes in total phenolic content (TP) and total antioxidant capacity (AC) during the vegetation period (April-November) were analysed in Phyllostachys aureosulcata f. aureocaulis (PAA), P. flexuosa (PF), P. humilis (PH), P. sulphurea var. ...

DOAJ Open Access (DOAJ) DOI: 10.15835/nbha4219432

Disturbance Compensation Model Predictive Control for Free‑Floating Space Robots

LIU Jianxing, ZHANG Ouyang, MA Xiaolong, CHEN Meng et al. • Nanjing Hangkong Hangtian Daxue Xuebao (2026)

Free-floating space robots (FFSRs) have emerged as critical unmanned platforms for long-term in-orbit services thanks to their high mobility and extended operational lifespan. However, external disturbances caused by dynamic space environme...

DOAJ Open Access (DOAJ) DOI: 10.16356/j.2097-6771.2026.01.015

Adaptive Tracking Control of Anchoring Unit for Pipeline Intelligent Plugging Robot Based on Improved Deep Deterministic Policy Gradient

Tingting Wu, Yaxin Liu, Laihe Qi, Pu Wang et al. • Machines (2026)

A pipeline intelligent plugging robot (PIPR) is an important tool in subsea pipeline maintenance and emergency repair. Precise position-tracking control is crucial for the in-pipe plugging operation of a PIPR. The anchoring module is the ke...

DOAJ Open Access (DOAJ) DOI: 10.3390/machines14060675

Design and Development of Sindhi Text Based CAPTCHAs for Regional Websites

Asadullah Kehar, Rafaqat Hussain Arain, Dr Riaz Ahmed Shaikh, Safdar Ali Shah et al. • Sukkur IBA Journal of Emerging Technologies (2021)

Bots are created to use the resources maliciously on World Wide Web. The misuse of the resources could be prevented by employing CAPTCHAs. Several types of CAPTCHAs are being used against the bots (robot) attacks but text-based CAPTCHA type...

DOAJ Open Access (DOAJ) DOI: 10.30537/sjet.v4i1.877

Graph Theory-Based Approach to Accomplish Complete Coverage Path Planning Tasks for Reconfigurable Robots

Ku Ping Cheng, Rajesh Elara Mohan, Nguyen Huu Khanh Nhan, Anh Vu Le • IEEE Access (2019)

Extensive studies regarding complete coverage problems have been conducted, but a few tackle scenarios where the mobile robot is equipped with reconfigurable modules. The reconfigurability of these robots creates opportunities to develop ne...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2019.2928467

Identifying strawberry DOF family transcription factors and their expressions in response to crown rot

Chun LUO, Yuyang HU, Bo SHU • Notulae Botanicae Horti Agrobotanici Cluj-Napoca (2022)

Crown rot is one of the most destructive diseases of cultivated strawberry. The DOF family transcription factors, which involved in biotic stress, has not been studied in responding to strawberry crown rot. In this study, the DOFs of Fragar...

DOAJ Open Access (DOAJ) DOI: 10.15835/nbha50112640

Hermetic effect of Moringa oleifera leaf extract mitigates salinity stress in maize by modulating photosynthetic efficiency, and antioxidant activities

MUNEEBA, Abdul KHALIQ, Faran MUHAMMAD, Haroon SHAHZAD et al. • Notulae Botanicae Horti Agrobotanici Cluj-Napoca (2024)

Salinity poses a significant constraint to cereal productivity particularly in arid and semiarid regions. The application of allelochemical has shown promising results in mitigating the intensity of abiotic stresses. A pot experiment was co...

DOAJ Open Access (DOAJ) DOI: 10.15835/nbha52313862

Robotic Arthroplasty Clinical and cost Effectiveness Randomised controlled trial (RACER-knee): a study protocol

Martin Underwood, Charles E Hutchinson, Helen Parsons, James Mason et al. • BMJ Open (2023)

Introduction Robotic-assisted knee replacement systems have been introduced to healthcare services worldwide in an effort to improve clinical outcomes for people, although high-quality evidence that they are clinically, or cost-effective re...

DOAJ Open Access (DOAJ) DOI: 10.1136/bmjopen-2022-068255

My Caregiver the Cobot: Comparing Visualization Techniques to Effectively Communicate Cobot Perception to People with Physical Impairments

Max Pascher, Kirill Kronhardt, Til Franzen, Uwe Gruenefeld et al. • Sensors (2022)

Nowadays, robots are found in a growing number of areas where they collaborate closely with humans. Enabled by lightweight materials and safety sensors, these cobots are gaining increasing popularity in domestic care, where they support peo...

DOAJ Open Access (DOAJ) DOI: 10.3390/s22030755

Weight-perception-based fixed and variable admittance control algorithms for unimanual and bimanual lifting of objects with a power assist robotic system

S M Mizanoor Rahman, Ryojun Ikeura • International Journal of Advanced Robotic Systems (2018)

Weight-perception-based fixed admittance control algorithm and variable admittance control algorithm are proposed for unimanual and bimanual lifting of objects with a power assist robotic system. To include weight perception in controls, th...

DOAJ Open Access (DOAJ) DOI: 10.1177/1729881416678131