Results 51 to 60 of about 7,113,489 (311)

Towards a Shared Control Navigation Function:Efficiency Based Command Modulation [PDF]

, 2015
This paper presents a novel shared control algorithm for robotized wheelchairs. The proposed algorithm is a new method to extend autonomous navigation techniques into the shared control domain. It reactively combines user’s and robot’s commands into a
Fernández-Carmona, Manuel, Peula Palacios, José Manuel, Sandoval-Hernandez, Francisco, Urdiales, Cristina   +3 more
core   +1 more source

Intrinsic Motivation and Mental Replay enable Efficient Online Adaptation in Stochastic Recurrent Networks

, 2018
Autonomous robots need to interact with unknown, unstructured and changing environments, constantly facing novel challenges. Therefore, continuous online adaptation for lifelong-learning and the need of sample-efficient mechanisms to adapt to changes in ...
Peters, Jan, Rueckert, Elmar, Tanneberg, Daniel   +2 more
core   +1 more source

3D Segmentation Method for Natural Environments based on a Geometric-Featured Voxel Map [PDF]

, 2015
This work proposes a new segmentation algorithm for three-dimensional dense point clouds and has been specially designed for natural environments where the ground is unstructured and may include big slopes, non-flat areas and isolated areas.
Ababsa, Fakhr-Eddine, Garcia-Cerezo, Alfonso J., Gomez-Ruiz, Jose Antonio, Plaza, Victoria   +3 more
core   +1 more source

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

FEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka, Yuxi Liu, Stefano Maggi, Debnath Ghosal, Jue Wang, Prashant P. Damke, Stephen D. Carter, Wei Zhao, Sukhithasri Vijayrajratnam, Joseph P. Vogel, Carrie L. Shaffer, Grant J. Jensen   +11 more
wiley   +1 more source

HPS-RRT*: An Improved Path Planning Algorithm for a Nonholonomic Orchard Robot in Unstructured Environments

Agronomy
Path planning is a fundamental challenge for autonomous robots, particularly in unstructured environments, where issues such as low search efficiency, suboptimal path quality, and local optima often arise.
Meiqi Hu, Qinpeng Huang, Jiamin Cai, Yu Chen, Jun Li, Linlin Shi   +5 more
doaj   +1 more source

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

Real-Time Parking Space Detection Based on Deep Learning and Panoramic Images

Sensors
In the domain of automatic parking systems, parking space detection and localization represent fundamental challenges that must be addressed. As a core research focus within the field of intelligent automatic parking, they constitute the essential ...
Wu Wei, Hongyang Chen, Jiayuan Gong, Kai Che, Wenbo Ren, Bin Zhang   +5 more
doaj   +1 more source

Autonomous aerial cinematography in unstructured environments with learned artistic decision‐making [PDF]

J. Field Robotics, 2019
Aerial cinematography is revolutionizing industries that require live and dynamic camera viewpoints such as entertainment, sports, and security. However, safely piloting a drone while filming a moving target in the presence of obstacles is immensely ...
Rogerio Bonatti, Wenshan Wang, Cherie Ho, Aayush Ahuja, Mirko Gschwindt, Efe Camci, Erdal Kayacan, Sanjiban Choudhury, S. Scherer   +8 more
semanticscholar   +1 more source

Recurrent cancer‐associated ERBB4 mutations are transforming and confer resistance to targeted therapies

Molecular Oncology, EarlyView.
We show that the majority of the 18 analyzed recurrent cancer‐associated ERBB4 mutations are transforming. The most potent mutations are activating, co‐operate with other ERBB receptors, and are sensitive to pan‐ERBB inhibitors. Activating ERBB4 mutations also promote therapy resistance in EGFR‐mutant lung cancer.
Veera K. Ojala, Sini Ahonen, Sara Peltola, Aura Tuohisto‐Kokko, Olaya Esparta, Peppi Suominen, Anne Jokilammi, Iman Farahani, Deepankar Chakroborty, Nikol Dibus, Steffen Boettcher, Tomi T. Airenne, Mark S. Johnson, Lisa D. Eli, Klaus Elenius, Kari J. Kurppa   +15 more
wiley   +1 more source

FCDD: A High-Resolution Unstructured Environment Dataset With Multiple Sand Roads

IEEE Access
Autonomous-driving datasets under-represent unstructured, mixed-surface coastal roads, especially beaches and coastal roads where multiple sand types coexist.
Rafael De S. Toledo, Cristiano S. De Oliveira, Flavio Andalo, Aldo Von Wangenheim   +3 more
doaj   +1 more source