Results 101 to 110 of about 2,798,162 (216)

Side looking sonar image quality assessment using reference targets

open access: yes, 2018
Side-looking sonar systems, including side-scan sonar and synthetic aperture sonar, are widely used for seabed characterization. They also have applications in the detection and classification of objects on the seabed.
Beckers, A.L.D.   +2 more
core  

Sample Augmentation Method for Side-Scan Sonar Underwater Target Images Based on CBL-sinGAN

open access: yesJournal of Marine Science and Engineering
The scarcity and difficulty in acquiring Side-scan sonar target images limit the application of deep learning algorithms in Side-scan sonar target detection.
Chengyang Peng   +4 more
doaj   +1 more source

Evaluation of fine fescue taxa for sod production: Tensile strength, harvest timing, and comparisons to conventional cool‐season species

open access: yesCrop, Forage &Turfgrass Management, Volume 12, Issue 2, December 2026.
Abstract Sod is an important specialty crop used to establish turfgrass and to control soil erosion in new construction and roadsides. Most sod farms in the northern U.S. grow Kentucky bluegrass (Poa pratensis L.), but recent research indicates potential for growing various low‐input grasses, such as fine fescue taxa (Festuca L. spp.).
Naba R. Amgain   +3 more
wiley   +1 more source

SoNaR-1. Corpus van 1 miljoen woorden verrijkt met diverse semantische annotaties

open access: yes, 2012
Item does not contain fulltextHet SoNaR-project is een project dat gefinancierd wordt in het kader van het Nederlands-Vlaams STEVIN-programma. Het project beoogt de aanleg van een groot corpus (minimaal 500 miljoen woorden) geschreven Nederlands.
et al., Oostdijk, N.H.J.
core   +1 more source

Drew Rothrock's Fundamental Contributions to Arctic Science

open access: yesPerspectives of Earth and Space Scientists, Volume 7, Issue 1, December 2026.
Abstract David Andrew (Drew) Rothrock III lived during a period of vigorous scientific research in the Earth Sciences, from the International Geophysical Year to the era of satellites and high‐speed computer modeling. Drew made fundamental contributions to Arctic science, helping to lay the theoretical foundations for modeling the movement and ...
Harry L. Stern   +4 more
wiley   +1 more source

Side-Scan Sonar Image Matching Method Based on Topology Representation

open access: yesJournal of Marine Science and Engineering
In the realm of underwater environment detection, achieving information matching stands as a pivotal step, forming an indispensable component for collaborative detection and research in areas such as distributed mapping.
Dianyu Yang   +6 more
doaj   +1 more source

Kogia Records in Brazilian Equatorial and Southwestern Atlantic Oceans

open access: yesMarine Mammal Science, Volume 42, Issue 4, October 2026.
ABSTRACT The pygmy (Kogia breviceps) and dwarf (Kogia sima) sperm whales are cryptic cetaceans characterized by inconspicuous surfacing behavior, small group sizes, and deep‐diving habits, making visual detection particularly challenging. Here, we present the first broad‐scale passive acoustic monitoring (PAM) assessment of Kogia spp.
Joao Pedro M. Mura   +12 more
wiley   +1 more source

Modeling potential masking of echolocating sperm whales exposed to continuous 1–2 kHz naval sonar

open access: yes, 2021
Modern active sonar systems can (almost) continuously transmit and receive sound, which can lead to more masking of important sounds for marine mammals than conventional pulsed sonar systems transmitting at a much lower duty cycle.
Isojunno, S.   +8 more
core  

Status and future of research on the behavioural responses of marine mammals to U.S. Navy sonar [PDF]

open access: yes, 2015
A review of the status and future of research into behavioral responses of marine mammals to naval sonar exposure was undertaken to evaluate the return on investment of current US Navy funded programs, identify the data needs and the contributions of ...
Harris, Catriona M, Thomas, Len
core   +1 more source

Image stitching and target perception for Autonomous Underwater Vehicle-collected side-scan sonar images

open access: yesFrontiers in Marine Science
IntroductionAutonomous Underwater Vehicles (AUVs) are capable of independently performing underwater navigation tasks, with side-scan sonar being a primary tool for underwater detection.
Zhuoyu Zhang   +5 more
doaj   +1 more source

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