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Compressed sensing has been discussed separately in spatial and temporal domains. Compressive holography has been introduced as a method that allows 3D tomographic reconstruction at different depths from a single 2D image. Coded exposure is…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Zihao Wang , Leonidas Spinoulas , Kuan He , Huaijin Chen , Lei Tian , Aggelos K. Katsaggelos , Oliver Cossairt

Quantitative analysis of channel networks plays an important role in river studies. To provide a quantitative representation of channel networks, we propose a new method that extracts channels from remotely sensed images and estimates their…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 F. Isikdogan , A. C. Bovik , P. Passalacqua

The aquaculture industry is constantly making efforts to improve fish welfare while maintaining the ethically sustainable farming practises. This work presents an enhanced tank environment designed for testing and developing novel…

Underwater image enhancement plays a crucial role in providing reliable visual information for underwater platforms, since strong absorption and scattering in water-related environments generally lead to image quality degradation. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Yiqiang Zhou , Yifan Chen , Zhe Sun , Jijun Lu , Ye Zheng , Xuelong Li

Side-scan sonar (SSS) is a lightweight acoustic sensor that is commonly deployed on autonomous underwater vehicles (AUVs) to provide high-resolution seafloor images. However, leveraging side-scan images for simultaneous localization and…

Robotics · Computer Science 2024-11-18 Jun Zhang , Yiping Xie , Li Ling , John Folkesson

Oysters are an essential species in the Chesapeake Bay living ecosystem. Oysters are filter feeders and considered the vacuum cleaners of the Chesapeake Bay that can considerably improve the Bay's water quality. Many oyster restoration…

Robotics · Computer Science 2021-05-21 Behzad Sadrfaridpour , Yiannis Aloimonos , Miao Yu , Yang Tao , Donald Webster

The data describing a process of echo-image formation in bottlenose dolphin sonar perception were accumulated in our experimental explorations. These data were formalized mathematically and used in the computational model, comparative…

Computational Engineering, Finance, and Science · Computer Science 2009-11-22 T. Zorikov

We propose a novel method to generate underwater object imagery that is acoustically compliant with that generated by side-scan sonar using the Unreal Engine. We describe the process to develop, tune, and generate imagery to provide…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Jaejeong Shin , Shi Chang , Matthew Bays , Joshua Weaver , Tom Wettergren , Silvia Ferrari

With the rapid evolution of computer vision, vision-based methodologies for water level and river surface velocity estimation have reached significant maturity. Compared to traditional sensing, these techniques offer superior…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 ZhiXin Sun

Photon counting (PhC) is an effective detection technology for underwater optical wireless communication (OWC) systems. The presence of signal-dependent Poisson shot noise and asynchronous multi-user interference (MUI) complicates the…

Systems and Control · Electrical Eng. & Systems 2025-12-19 Fanghua Li , Xiaolin Zhou , Yongkang Chen , Wei Ni , Xin Wang , Dusit Niyato , Ekram Hossain

With the continuous development of underwater vision technology, more and more remote sensing images could be obtained. In the underwater scene, sonar sensors are currently the most effective remote perception devices, and the sonar images…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Xiaoteng Zhou , Changli Yu , Xin Yuan , Yi Wu , Haijun Feng , Citong Luo

This paper addresses the critical need for online action representation, which is essential for various applications like rehabilitation, surveillance, etc. The task can be defined as representation of actions as soon as they happen in a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Vishnu S Nair , Sneha Sree , Jayaraj Joseph , Mohanasankar Sivaprakasam

The event camera is a novel bio-inspired vision sensor. When the brightness change exceeds the preset threshold, the sensor generates events asynchronously. The number of valid events directly affects the performance of event-based tasks,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Xijie Xiang , Lin Zhu , Jianing Li , Yonghong Tian , Tiejun Huang

Simulating sonar devices requires modeling complex underwater acoustics, simultaneously rendering time-efficient data. Existing methods focus on basic implementation of one sonar type, where most of sound properties are disregarded. In this…

Signal Processing · Electrical Eng. & Systems 2020-01-13 Rômulo Cerqueira , Tiago Trocoli , Jan Albiez , Luciano Oliveira

Volunteer-led lake monitoring yields irregular, seasonal time series with many gaps arising from ice cover, weather-related access constraints, and occasional human errors, complicating forecasting and early warning of harmful algal blooms.…

Machine Learning · Computer Science 2026-01-23 Rishit Chatterjee , Tahiya Chowdhury

Deep convolutional neural networks generally perform well in underwater object recognition tasks on both optical and sonar images. Many such methods require hundreds, if not thousands, of images per class to generalize well to unseen…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Mateusz Ochal , Jose Vazquez , Yvan Petillot , Sen Wang

We investigate solutions to subgraph matching within a temporal stream of data. We present a high-level language for describing temporal subgraphs of interest, the Streaming Analytics Language (SAL). SAL programs are translated into C++…

Programming Languages · Computer Science 2020-04-02 Eric L. Goodman , Dirk Grunwald

Quantum advantage, benchmarking the computational power of quantum machines outperforming all classical computers in a specific task, represents a crucial milestone in developing quantum computers and has been driving different physical…

Object recognition and localization are important tasks in computer vision. The focus of this work is the incorporation of contextual information in order to improve object recognition and localization. For instance, it is natural to expect…

Computer Vision and Pattern Recognition · Computer Science 2013-12-23 Samy Bengio , Jeff Dean , Dumitru Erhan , Eugene Ie , Quoc Le , Andrew Rabinovich , Jonathon Shlens , Yoram Singer

Advances in tracking technologies for animal movement require new statistical tools to better exploit the increasing amount of data. Animal positions are usually calculated using the GPS or Argos satellite system and include potentially…

Applications · Statistics 2026-05-05 Alexandre Delporte , Susanne Ditlevsen , Adeline Samson