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Visual anomaly detection is an important and challenging problem in the field of machine learning and computer vision. This problem has attracted a considerable amount of attention in relevant research communities. Especially in recent…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Jie Yang , Ruijie Xu , Zhiquan Qi , Yong Shi

In this paper, we consider the use of deep neural networks in the context of Multiple-Input-Multiple-Output (MIMO) detection. We give a brief introduction to deep learning and propose a modern neural network architecture suitable for this…

Machine Learning · Statistics 2017-06-06 Neev Samuel , Tzvi Diskin , Ami Wiesel

We demonstrate several techniques to encourage practical uses of neural networks for fluid flow estimation. In the present paper, three perspectives which are remaining challenges for applications of machine learning to fluid dynamics are…

Fluid Dynamics · Physics 2022-05-19 Masaki Morimoto , Kai Fukami , Kai Zhang , Koji Fukagata

Underwater caves are challenging environments that are crucial for water resource management, and for our understanding of hydro-geology and history. Mapping underwater caves is a time-consuming, labor-intensive, and hazardous operation.…

Image and Video Processing · Electrical Eng. & Systems 2023-06-29 Boxiao Yu , Reagan Tibbetts , Titon Barua , Ailani Morales , Ioannis Rekleitis , Md Jahidul Islam

To assist underwater object detection for better performance, image enhancement technology is often used as a pre-processing step. However, most of the existing enhancement methods tend to pursue the visual quality of an image, instead of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Yanling Qiu , Qianxue Feng , Boqin Cai , Hongan Wei , Weiling Chen

In marine aquaculture, inspecting sea cages is an essential activity for managing both the facilities' environmental impact and the quality of the fish development process. Fish escape from fish farms into the open sea due to net damage,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Waseem Akram , Muhayyuddin Ahmed , Lakmal Seneviratne , Irfan Hussain

Visual recognition is currently one of the most important and active research areas in computer vision, pattern recognition, and even the general field of artificial intelligence. It has great fundamental importance and strong industrial…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Yang Wu , Dingheng Wang , Xiaotong Lu , Fan Yang , Guoqi Li , Weisheng Dong , Jianbo Shi

Watermarking algorithms for large language models (LLMs) have attained high accuracy in detecting LLM-generated text. However, existing methods primarily focus on distinguishing fully watermarked text from non-watermarked text, overlooking…

Computation and Language · Computer Science 2025-02-25 Leyi Pan , Aiwei Liu , Yijian Lu , Zitian Gao , Yichen Di , Shiyu Huang , Lijie Wen , Irwin King , Philip S. Yu

In this paper, a quantization based watermark casting and blind watermark retrieval algorithm operating in YCbCr color space using discrete wavelet transform (DWT), for ownership verification and image authentication applications is…

Cryptography and Security · Computer Science 2012-06-21 Mehdi Khalili , David Asatryan

This work presents the development of a lane detection system aimed at assisting the driving of conventional and autonomous vehicles. The system was implemented using traditional computer vision techniques, focusing on robustness and…

Severe color casts, low contrast and blurriness of underwater images caused by light absorption and scattering result in a difficult task for exploring underwater environments. Different from most of previous underwater image enhancement…

Image and Video Processing · Electrical Eng. & Systems 2019-07-15 Xueyan Ding , Yafei Wang , Yang Yan , Zheng Liang , Zetian Mi , Xianping Fu

For the autonomous drone-based inspection of wind turbine (WT) blades, accurate detection of the WT and its key features is essential for safe drone positioning and collision avoidance. Existing deep learning methods typically rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Arash Shahirpour , Jakob Gebler , Manuel Sanders , Tim Reuscher

Remote sensing techniques have been increasingly utilised in aquatic applications in recent years. A common challenge in using optical satellite data is the presence of missing observations due to cloud cover. These data gaps can lead to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Shuang Liua , Fiona Johnson , Rohitash Chandra

Underwater pollution is one of today's most significant environmental concerns, with vast volumes of garbage found in seas, rivers, and landscapes around the world. Accurate detection of these waste materials is crucial for successful waste…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 UMMPK Nawarathne , HMNS Kumari , HMLS Kumari

Well-performed deep neural networks (DNNs) generally require massive labelled data and computational resources for training. Various watermarking techniques are proposed to protect such intellectual properties (IPs), wherein the DNN…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Xiangyu Wen , Yu Li , Wei Jiang , Qiang Xu

Watermarking is an important copyright protection technology which generally embeds the identity information into the carrier imperceptibly. Then the identity can be extracted to prove the copyright from the watermarked carrier even after…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Sulong Ge , Zhihua Xia , Jianwei Fei , Xingming Sun , Jian Weng

Underwater images suffer from light refraction and absorption, which impairs visibility and interferes the subsequent applications. Existing underwater image enhancement methods mainly focus on image quality improvement, ignoring the effect…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Zengxi Zhang , Zhiying Jiang , Jinyuan Liu , Xin Fan , Risheng Liu

Water is a critical resource that must be managed efficiently. However, a substantial amount of water is lost each year due to leaks in Water Distribution Networks (WDNs). This underscores the need for reliable and effective leak detection…

Machine Learning · Computer Science 2025-11-18 Daniele Ugo Leonzio , Paolo Bestagini , Marco Marcon , Stefano Tubaro

Compared to abstract features, significant objects, so-called landmarks, are a more natural means for vehicle localization and navigation, especially in challenging unstructured environments. The major challenge is to recognize landmarks in…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Benjamin Naujoks , Patrick Burger , Hans-Joachim Wuensche

With a number of marine populations in rapid decline, collecting and analyzing data about marine populations has become increasingly important to develop effective conservation policies for a wide range of marine animals, including whales.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Akshaj Gaur , Cheng Liu , Xiaomin Lin , Nare Karapetyan , Yiannis Aloimonos