Results 11 to 20 of about 19,957 (208)

A Gray Scale Correction Method for Side-Scan Sonar Images Based on Retinex

Remote Sensing, 2019
When side-scan sonars collect data, sonar energy attenuation, the residual of time varying gain, beam patterns, angular responses, and sonar altitude variations occur, which lead to an uneven gray level in side-scan sonar images.
Xiufen Ye, Haibo Yang, Chuanlong Li, Yunpeng Jia, Peng Li   +4 more
doaj   +3 more sources

A New Radiometric Correction Method for Side-Scan Sonar Images in Consideration of Seabed Sediment Variation

Remote Sensing, 2017
Affected by the residual of time varying gain, beam patterns, angular responses, and sonar altitude variations, radiometric distortion degrades the quality of side-scan sonar images and seriously affects the application of these images. However, existing
Jianhu Zhao, Jun Yan, Hongmei Zhang, Junxia Meng   +3 more
doaj   +3 more sources

Underwater Side-Scan Sonar Target Detection: YOLOv7 Model Combined with Attention Mechanism and Scaling Factor

Remote Sensing
Side-scan sonar plays a crucial role in underwater exploration, and the autonomous detection of side-scan sonar images is vital for detecting unknown underwater environments. However, due to the complexity of the underwater environment, the presence of a
Xin Wen, Jian Wang, Chensheng Cheng, Feihu Zhang, Guang Pan   +4 more
doaj   +3 more sources

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

Journal 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, Shaohua Jin, Gang Bian, Yang Cui, Meina Wang   +4 more
doaj   +3 more sources

A Curvelet-Transform-Based Image Fusion Method Incorporating Side-Scan Sonar Image Features

Journal of Marine Science and Engineering, 2023
Current methods of fusing side-scan sonar images fail to tackle the issues of shadow removal, preservation of information from adjacent strip images, and maintenance of image clarity and contrast. To address these deficiencies, a novel curvelet-transform-
Xinyang Zhao, Shaohua Jin, Gang Bian, Yang Cui, Junsen Wang, Bo Zhou   +5 more
doaj   +1 more source

ECNet: Efficient Convolutional Networks for Side Scan Sonar Image Segmentation. [PDF]

Sensors (Basel), 2019
Wu M, Wang Q, Rigall E, Li K, Zhu W, He B, Yan T.   +6 more
europepmc   +2 more sources

The Impact of Side-Scan Sonar Resolution and Acoustic Shadow Phenomenon on the Quality of Sonar Imagery and Data Interpretation Capabilities

Remote Sensing, 2023
Side-scan sonar is designed and used for a variety of survey work, in both military and civilian fields. These systems provide acoustic imageries that play a significant role in a variety of marine and inland applications.
Artur Grządziel
doaj   +1 more source

Side-scan Sonar Image De-noising Based on Bidimensional Empirical Mode Decomposition and Non-local Means [PDF]

E3S Web of Conferences, 2020
In order to suppress the multiplicative specular noise in side-scan sonar images, a denoising method combining bidimensional empirical mode decomposition and non-local means algorithm is proposed.
Zhao Kun, Ding Jisheng, Sun YanFei, Hu ZhiYuan   +3 more
doaj   +1 more source

Technical Design and Data Analysis of Autonomous Underwater Vehicle-Based Side-Scan Sonar Operations

Journal of Marine Science and Engineering, 2023
In response to the absence of standardized work practices, work safety measures, efficient work procedures, and suitable line planning methods for exploring seabed topography using autonomous underwater vehicles (AUVs) equipped with side-scan sonar ...
Xinyang Zhao, Shaohua Jin, Gang Bian, Yang Cui, Junsen Wang, Yulin Tang, Chao Jiang   +6 more
doaj   +1 more source

DP-ViT: A Dual-Path Vision Transformer for Real-Time Sonar Target Detection

Remote Sensing, 2022
Sonar image is the main way for underwater vehicles to obtain environmental information. The task of target detection in sonar images can distinguish multi-class targets in real time and accurately locate them, providing perception information for the ...
Yushan Sun, Haotian Zheng, Guocheng Zhang, Jingfei Ren, Hao Xu, Chao Xu   +5 more
doaj   +1 more source