Results 181 to 190 of about 1,765,935 (236)
Does administration of injectable platelet-rich fibrin impact the overall treatment duration in orthodontic extraction cases? A randomized controlled trial. [PDF]
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2018 25th IEEE International Conference on Image Processing (ICIP), 2018
The goal of this paper is to estimate the population of fishes in sonar images. Compared to natural images, sonar images present substantially different visual characteristics. Fishes in sonar images exhibit unreliable appearance cues, expose under imaging noise, vary significantly in shape and size.
Liang Liu 0001 +3 more
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The goal of this paper is to estimate the population of fishes in sonar images. Compared to natural images, sonar images present substantially different visual characteristics. Fishes in sonar images exhibit unreliable appearance cues, expose under imaging noise, vary significantly in shape and size.
Liang Liu 0001 +3 more
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Denoising and inpainting SONAR images
2015 38th International Conference on Telecommunications and Signal Processing (TSP), 2015The basic principle of SONAR is to use sound to detect or locate objects, typically in the ocean. During acquisition, some pixels of SONAR images could be lost. The recovery of lost or damaged data can be done by using an inpainting algorithm. But, SONAR images are perturbed by speckle noise, so speckle reduction filters should be used to improve the ...
Cristina Stolojescu-Crisan +1 more
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DISO: Direct Imaging Sonar Odometry [PDF]
2024 IEEE International Conference on Robotics and Automation (ICRA)This paper introduces a novel sonar odometry system that estimates the relative spatial transformation between two sonar image frames. Considering the unique challenges, such as low resolution and high noise, of sonar imagery for odometry and ...
Shida Xu +4 more
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Synthetic aperture active sonar imaging
[Proceedings] ICASSP-92: 1992 IEEE International Conference on Acoustics, Speech, and Signal Processing, 1992The main problems involved in synthetic aperture sonar imaging are medium instability, slow mapping rate, and platform motion. Proposed solutions to these problems are reviewed, and a new technique for synthetic aperture sonar imaging is presented which allows a fast mapping rate and improved motion compensation.
Brett L. Douglas, Hua Lee
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Unsupervised Markovian segmentation of sonar images
1997 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2002This work deals with unsupervised sonar image segmentation. We present a new estimation segmentation procedure using the an iterative method called iterative conditional estimation (ICE). This method takes into account the variety of the laws in the distribution mixture of a sonar image and the estimation of the parameters of the label field (modeled ...
Max Mignotte +3 more
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