Results 111 to 120 of about 4,113,395 (325)

Data augmentation based on highlight image models of underwater maneuvering target

Xibei Gongye Daxue Xuebao
With the development of underwater acoustic countermeasure technology, deep learning is applied to recognize echo geometry features of underwater targets, but it faces the problem of sample scarcity.
LIU Xiaochun, YANG Yunchuan, HU Youfeng, YANG Xiangfeng, LI Yongsheng, XIAO Lin   +5 more
doaj   +1 more source

Use of high resolution sonar for near-turbine fish observations (DIDSON) - We@Sea 2007-002 [PDF]

, 2010
In this study we investigate small scale distribution of pelagic fish within a windfarm by means of a high resolution sonar (DIDSON, Dual frequency IDentification SONar; Soundmetrics).
Burggraaf, D., Couperus, A.S., Keeken, O.A., van, Kooten, T., van, Tribuhl, S.V., Winter, H.V.   +5 more
core   +1 more source

Fast, Accurate Thin-Structure Obstacle Detection for Autonomous Mobile Robots

, 2017
Safety is paramount for mobile robotic platforms such as self-driving cars and unmanned aerial vehicles. This work is devoted to a task that is indispensable for safety yet was largely overlooked in the past -- detecting obstacles that are of very thin ...
Hua, Gang, Yang, Jiaolong, Zhao, Chunshui, Zhou, Chen   +3 more
core   +1 more source

All for One and One for All: Inter‐Firm Collaboration in the Transformation Towards a Circular Economy

Sustainable Development, EarlyView.
ABSTRACT Collaboration is central to the circular economy. This study examines ways companies can advance the circular economy in their business operations through inter‐firm collaboration. The empirical data consist of 43 semi‐structured interviews with representatives of Finnish companies of different sizes and sectors that have implemented aspects ...
Milla Sarja, Marileena Mäkelä, Tiina Onkila, Katariina Koistinen, Satu Teerikangas, Mira Valkjärvi   +5 more
wiley   +1 more source

Monocular Vision as a Range Sensor [PDF]

, 2004
One of the most important abilities for a mobile robot is detecting obstacles in order to avoid collisions. Building a map of these obstacles is the next logical step.
Boles, Wageeh, Geva, Shlomo, Taylor, Trevor   +2 more
core   +2 more sources

PEDOT:Tosylate on Biocompatible Chitosan Film by Vapor Phase Polymerization: Promising Technology toward Biocompatible and Wearable Organic Electrochemical Transistor

Small Structures, EarlyView.
The bendable and biocompatible PEDOT:Tos‐based organic electrochemical transistor with high transconductance, good mixed ionic and electronic transport capability, fast response, and robust resistance to deformation, promoting the advancement of wearable biosensor technology.
Chattarika Khamhanglit, Ting Li, Vithya Sahar Sethu Madhavan, Joshua McDonald, Eliza Switalska, Antonia RuJia Sun, Yanan Xu, Indira Prasadam, YuanTong Gu, Drew R. Evans, Wei Lin Leong, Prashant Sonar   +11 more
wiley   +1 more source

RV Sonne Cruise 200, 11 Jan-11 Mar 2009. Jakarta - Jakarta [PDF]

, 2008
All plate boundaries are divided into segments - pieces of fault that are distinct from oneanother, either separated by gaps or with different orientations.
Dayuf Jusuf, M., McNeill, L.C.
core   +1 more source

Multiphysics Metamaterials for Unified Control of Diverse Physical Fields

Small Structures, EarlyView.
Multiphysics metamaterials unify diffusion, wave, and hybrid field control in one architecture. This review systematically examines the design methodologies, functional implementations, and material compositions of these three categories, followed by a critical analysis of their respective advantages, limitations, and future development trends ...
Fei Sun, Hengxiang Zhang, Yichao Liu, Wanqing Qin, Dongze Li   +4 more
wiley   +1 more source

Establishing a Multibeam Sonar Evaluation Test Bed near Sidney, British Columbia [PDF]

, 2012
The Canadian Hydrographic Service (CHS), Naval Oceanographic Office (NAVOCEANO) and the Ocean Mapping Group of the University of New Brunswick (OMG) collaborated on establishing a multibeam sonar test bed in the vicinity of the Institute of Ocean ...
Beaudoin, Jonathan, Clarke, J.E. Hughes, Hare, Rob, Whittaker, Clay   +3 more
core   +2 more sources

Feature of Echo Envelope Fluctuation and Its Application in the Discrimination of Underwater Real Echo and Synthetic Echo

Applied Sciences, 2018
Discriminating a real underwater target echo from a synthetic echo is a key challenge to identifying an underwater target. The structure of an echo envelope contains information which closely relates to the physical parameters of the underwater target ...
Yunfei Chen, Sheng Li, Bing Jia, Guijuan Li, Zhenshan Wang   +4 more
doaj   +1 more source