Results 21 to 30 of about 20,037 (164)

Seabed Detection Using Application Of Image Side Scan Sonar Instrument (Acoustic Signal)

JGEET: Journal of Geoscience, Engineering, Environment and Technology, 2017
The importance of knowing the method for seabed detection using side-scan sonar images with sonar instrument is a much-needed requirement right now. This kind of threat also requires frequent sonar surveys in such areas.
Muhammad Zainuddin Lubis, Husnul Kausarian, Wenang Anurogo   +2 more
doaj   +1 more source

Bottom Detection from Backscatter Data of Conventional Side Scan Sonars through 1D-UNet

Remote Sensing, 2021
As widely applicated in many underwater research fields, conventional side-scan sonars require the sonar height to be at the seabed for geocoding seabed images.
Jun Yan, Junxia Meng, Jianhu Zhao
doaj   +1 more source

HULU SUNGAI PERAK BED SEDIMENT MAPPING USING UNDERWATER ACOUSTIC SONAR [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
Development in acoustic survey techniques in particular side scan sonar have revolutionized the way we are able to image, map and understand the riverbed environment.
N. Arriafdi, O. Zainon, U. Din, A. W. Rasid, Z. Mat Amin, R. Othman, A. S. Mardi, R. Mahmud, N. Sulaiman   +8 more
doaj   +1 more source

Marine geophysical surveys and interpretations on the ancient Eunostos harbor Area, Mediterranean Coast, Egypt

Egyptian Journal of Petroleum, 2023
A marine geophysical survey was carried out over the ruins of the ancient Eunostos harbor, in front of the recent western harbor of Alexandria. The survey works aimed to study the seafloor and the subsurface layers over the survey area using side-scan ...
Amr Z. Hamouda, Nader H. El-Gendy, Suzan El-Gharabawy, Mahmoud Salah, Moataz Kh. Barakat   +4 more
doaj   +1 more source

Efficient AUV Navigation Fusing Acoustic Ranging and Side-scan Sonar [PDF]

, 2011
This paper presents an on-line nonlinear least squares algorithm for multi-sensor autonomous underwater vehicle (AUV) navigation. The approach integrates the global constraints of range to and GPS position of a surface vehicle or buoy communicated ...
Fallon, Maurice Francis, Johannsson, Hordur, Kaess, Michael, Leonard, John Joseph   +3 more
core   +2 more sources

STUDI APLIKASI MULTIBEAM ECHOSOUNDER DAN SIDE SCAN SONAR UNTUK MENDETEKSI FREE SPAN PADA SALURAN PIPA BAWAH LAUT

Geoid, 2015
Saluran pipa bawah laut sebagai salah satu sistem distribusi dalam industri minyak dan gas harus selalu diperhatikan kondisinya agar terhindar dari risiko kerugian material maupun dampak terhadap lingkungan.
I Made Dwifa Satya Nugraha, Yuwono Yuwono   +1 more
doaj   +1 more source

Using Side-Scan Sonar instrument to Characterize and map of seabed identification target in punggur sea of the Riau Islands, Indonesia.

JGEET: Journal of Geoscience, Engineering, Environment and Technology, 2017
Punggur sea has many habitats, object, and structured of seabed with hight tide and wave. Side scan sonar is an underwater acoustic instrument for identification of seabed.
Muhammad Zainuddin Lubis, Wenang Anurogo, Hanah Khoirunnisa, Sudra Irawan, Oktavianto Gustin, Arif Roziqin   +5 more
doaj   +1 more source

A Texture Feature Removal Network for Sonar Image Classification and Detection

Remote Sensing, 2023
Deep neural network (DNN) was applied in sonar image target recognition tasks, but it is very difficult to obtain enough sonar images that contain a target; as a result, the direct use of a small amount of data to train a DNN will cause overfitting and ...
Chuanlong Li, Xiufen Ye, Jier Xi, Yunpeng Jia   +3 more
doaj   +1 more source

Using Remote Sensing Techniques to Document and Identify the Largest Underwater Object of the Baltic Sea: Case Study of the Only German Aircraft Carrier, Graf Zeppelin

Remote Sensing, 2020
New shipwrecks are usually found during other work at sea. In 2006, the research vessel St. Barbara discovered probably the most massive wreck that lies on the bottom of the Baltic Sea.
Artur Grządziel
doaj   +1 more source

Model for Estimation of Bounds in Digital Coding of Seabed Images [PDF]

, 2015
This paper proposes the novel model for estimation of bounds in digital coding of images. Entropy coding of images is exploited to measure the useful information content of the data.
Samcovic, A.
core   +2 more sources