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This paper as technology report is focusing on evaluation and performance about depth estimations based on lidar data and stereo images(front left and front right). The lidar 3d cloud data and stereo images are provided by ford. In…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Fei Wu , Luoyu Chen

Visual monitoring operations underwater require both observing the objects of interest in close-proximity, and tracking the few feature-rich areas necessary for state estimation.This paper introduces the first navigation framework, called…

Monitoring of colonial waterbird nesting islands is essential to tracking waterbird population trends, which are used for evaluating ecosystem health and informing conservation management decisions. Recently, unmanned aerial vehicles, or…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Krish Kabra , Alexander Xiong , Wenbin Li , Minxuan Luo , William Lu , Raul Garcia , Dhananjay Vijay , Jiahui Yu , Maojie Tang , Tianjiao Yu , Hank Arnold , Anna Vallery , Richard Gibbons , Arko Barman

Animals move in three dimensions (3D). Thus, 3D measurement is necessary to report the true kinematics of animal movement. Existing 3D measurement techniques draw on specialized hardware, such as motion capture or depth cameras, as well as…

Neurons and Cognition · Quantitative Biology 2021-12-06 Jesse D. Marshall , Tianqing Li , Joshua H. Wu , Timothy W. Dunn

An algorithm for detecting tonal vocalizations from estuarine dolphin (Sotalia guianensis) specimens without interference of a human operator is developed. The raw audio data collected from a passive monitoring sensor in the Canan\'eia…

Sound · Computer Science 2019-09-11 O. M. Serra , F. P. R. Martins , L. R. Padovese

Wild salmon are essential to the ecological, economic, and cultural sustainability of the North Pacific Rim. Yet climate variability, habitat loss, and data limitations in remote ecosystems that lack basic infrastructure support pose…

Identifying individual salmon can be very beneficial for the aquaculture industry as it enables monitoring and analyzing fish behavior and welfare. For aquaculture researchers identifying individual salmon is imperative to their research.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Bjørn Magnus Mathisen , Kerstin Bach , Espen Meidell , Håkon Måløy , Edvard Schreiner Sjøblom

The objective of this study is to develop a deep-learning based detection and diagnosis technique for carotid atherosclerosis using a portable freehand 3D ultrasound (US) imaging system. A total of 127 3D carotid artery scans were acquired…

Image and Video Processing · Electrical Eng. & Systems 2023-11-10 Jiawen Li , Yunqian Huang , Sheng Song , Hongbo Chen , Junni Shi , Duo Xu , Haibin Zhang , Man Chen , Rui Zheng

The current approach to exploring and monitoring complex underwater ecosystems, such as coral reefs, is to conduct surveys using diver-held or static cameras, or deploying sensor buoys. These approaches often fail to capture the full…

In-situ visual observations of marine organisms is crucial to developing behavioural understandings and their relations to their surrounding ecosystem. Typically, these observations are collected via divers, tags, and remotely-operated or…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Levi Cai , Nathan E. McGuire , Roger Hanlon , T. Aran Mooney , Yogesh Girdhar

Being able to understand the relations between the user and the surrounding environment is instrumental to assist users in a worksite. For instance, understanding which objects a user is interacting with from images and video collected…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Camillo Quattrocchi , Daniele Di Mauro , Antonino Furnari , Giovanni Maria Farinella

The proliferation of floating anthropogenic debris in rivers has emerged as a pressing environmental concern, exerting a detrimental influence on biodiversity, water quality, and human activities such as navigation and recreation. The…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Gauthier Grimmer , Romain Wenger , Clément Flint , Germain Forestier , Gilles Rixhon , Valentin Chardon

We present a self-supervised approach to in-the-wild image relighting that enables fully controllable, physically based illumination editing. We achieve this by combining the physical accuracy of traditional rendering with the…

Graphics · Computer Science 2025-08-08 Chris Careaga , Yağız Aksoy

3D phenotyping of plants plays a crucial role for understanding plant growth, yield prediction, and disease control. We present a pipeline capable of generating high-quality 3D reconstructions of individual agricultural plants. To acquire…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Andre Rochow , Jonas Marcic , Svetlana Seliunina , Sven Behnke

Jellyfish cyborgs present a promising avenue for soft robotic systems, leveraging the natural energy-efficiency and adaptability of biological systems. Here we demonstrate a novel approach to predicting and controlling jellyfish locomotion…

Robotics · Computer Science 2024-10-28 Dai Owaki , Max Austin , Shuhei Ikeda , Kazuya Okuizumi , Kohei Nakajima

Stereo matching is an essential basis for various applications, but most stereo matching methods have poor generalization performance and require a fixed disparity search range. Moreover, current stereo matching methods focus on the scenes…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Jiazhi Liu , Feng Liu

In order to keep aquatic ecosystems safe and healthy, it is imperative that cleaning be done frequently. This research suggests the use of autonomous underwater rovers for effective underwater cleaning as a novel approach to this issue. The…

Robotics · Computer Science 2023-04-18 Aditya Sundarajan , Jaideepnath Anand , Kevin Timothy Muller , Mangal Das

In this paper, we present a complete pipeline for 3D semantic mapping solely based on a stereo camera system. The pipeline comprises a direct sparse visual odometry front-end as well as a back-end for global optimization including GNSS…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Qing Cheng , Niclas Zeller , Daniel Cremers

With the arrival of a number of wide-field snapshot image-plane radio transient surveys, there will be a huge influx of images in the coming years making it impossible to manually analyse the datasets. Automated pipelines to process the…

Using thermal infrared detectors mounted on drones, and applying techniques from astrophysics, we hope to support the field of conservation ecology by creating an automated pipeline for the detection and identification of certain endangered…

Instrumentation and Methods for Astrophysics · Physics 2018-07-10 Claire Burke , Maisie F. Rashman , Owen McAree , Leonard Hambrecht , Steve N. Longmore , Alex K. Piel , Serge A. Wich