Results 21 to 30 of about 6,273,313 (270)
Sonar image recognition of underwater target based on convolutional neural network
Xibei Gongye Daxue Xuebao, 2021 Underwater target recognition is one core technology of underwater unmanned detection. To improve the accuracy of underwater automatic target recognition, a sonar image recognition method based on convolutional neural network was proposed and the ...
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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 +3 more
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SID-TGAN: A Transformer-Based Generative Adversarial Network for Sonar Image Despeckling
Remote Sensing, 2023 Sonar images are inherently affected by speckle noise, which degrades image quality and hinders image exploitation. Despeckling is an important pre-processing task that aims to remove such noise so as to improve the accuracy of analysis tasks on sonar ...
Xin Zhou +4 more
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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 +5 more
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Self-supervised Learning for Sonar Image Classification [PDF]
2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2022 Self-supervised learning has proved to be a powerful approach to learn image representations without the need of large labeled datasets. For underwater robotics, it is of great interest to design computer vision algorithms to improve perception ...
Alan Preciado-Grijalva +3 more
semanticscholar +1 more source
A blind contour‐aware quality model for sonar images
IET Image Processing, 2022 Since the penetration depth of visible light is limited in muddy and dark deep marine environment, sonar imaging, which is independent of natural light, has been attracting much attention in underwater detections.
Weiling Chen +3 more
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Mobile Robot Range Sensing through Visual Looming [PDF]
, 1998 This article describes and evaluates visual looming as a monocular range sensing method for mobile robots. The looming algorithm is based on the relationship between the displacement of a camera relative to an object, and the resulting change in the size
Gaudiano, Paolo, Sahin, Erol
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APES Beamforming Applied to Medical Ultrasound Imaging [PDF]
, 2009 As of today, sonar imaging is the most effective means of documenting the subsea environment. Existing sonar imaging systems generally rely on conventional beamforming methods to form the image.
Austeng, Andreas +5 more
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Research on sonar image few-shot classification based on deep learning
Xibei Gongye Daxue Xuebao, 2022 The underwater environment is complex and diverse, which makes it difficult to evolve traditional methods such as manually extracting features from blurred images.
CHEN Yule +3 more
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