Special Issue "Underwater Imaging"

Special Issue Editor

Guest Editor
Prof. Dr. Fabio Bruno

Department of Mechanical, Energy and Industrial Engineering (DIMEG), University of Calabria, P. Bucci, 46C, 87036 Rende, CS, Italy
Website 1 | Website 2 | E-Mail
Phone: 0984/494623
Interests: underwater 3D imaging; 3D modelling; reverse engineering; new technologies for cultural heritage; virtual & augmented reality; virtual and rapid prototyping; industrial design

Special Issue Information

Dear Colleagues,

Underwater imaging is an important topic in Marine Science and Engineering because it deals with the development of new technologies and techniques related to the acquisition and processing of images and 3D data in underwater environments. Challenges associated with improving the visibility of objects at various distances have been difficult to overcome due to the absorptive and scattering nature of seawater. Mitigating these effects has been the focus of the underwater imaging community for decades, but recent advances in hardware, software and methods has led to relevant improvements in several application areas (e.g.: biology, geology, archaeology, offshore engineering). Anyway, the exploration, documentation and recording of underwater environments still remain challenging tasks that stimulate the research, design and development of new sensors, devices, techniques and methods for recording underwater environments. This Special Issue is launched to collect a compilation of current state-of-the-art and future perspectives in the development of underwater imaging technologies.

We are seeking contributions for this Special Issue on the following subjects:

  • Development and characterization of underwater optical and acoustic sensors
  • Acoustic sensing for large underwater areas
  • Underwater photogrammetry
  • Sensor and data fusion in underwater applications
  • Platforms supporting underwater data acquisition (ROV, AUV, ASV, etc.)
  • Underwater metrology and inspections
  • Restoration, enhancement and processing of underwater images
  • 3D bathymetry techniques
  • Data processing and underwater 3D modeling
  • Innovative applications and multidisciplinary approaches in underwater imaging

Prof. Dr. Fabio Bruno
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 350 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • underwater imaging
  • photogrammetry
  • underwater 3D recording
  • bathymetry
  • SONAR
  • ROV
  • AUV

Published Papers (2 papers)

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Research

Open AccessFeature PaperArticle A Novel Iterative Water Refraction Correction Algorithm for Use in Structure from Motion Photogrammetric Pipeline
J. Mar. Sci. Eng. 2018, 6(3), 77; https://doi.org/10.3390/jmse6030077
Received: 10 May 2018 / Revised: 15 June 2018 / Accepted: 25 June 2018 / Published: 2 July 2018
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Abstract
Photogrammetry using structure from motion (SfM) techniques has evolved into a powerful tool for a variety of applications. Nevertheless, limits are imposed when two-media photogrammetry is needed, in cases such as submerged archaeological site documentation. Water refraction poses a clear limit on photogrammetric
[...] Read more.
Photogrammetry using structure from motion (SfM) techniques has evolved into a powerful tool for a variety of applications. Nevertheless, limits are imposed when two-media photogrammetry is needed, in cases such as submerged archaeological site documentation. Water refraction poses a clear limit on photogrammetric applications, especially when traditional methods and standardized pipelines are followed. This work tries to estimate the error introduced to depth measurements when no refraction correction model is used and proposes an easy to implement methodology in a modern photogrammetric workflow dominated by SfM and multi-view stereo (MVS) techniques. To be easily implemented within current software and workflow, this refraction correction approach is applied at the photo level. Results over two test sites in Cyprus against reference data suggest that despite the assumptions and approximations made the proposed algorithm can reduce the effect of refraction to two times the ground pixel size, regardless of the depth. Full article
(This article belongs to the Special Issue Underwater Imaging)
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Open AccessArticle Photogrammetric Surveys and Geometric Processes to Analyse and Monitor Red Coral Colonies
J. Mar. Sci. Eng. 2018, 6(2), 42; https://doi.org/10.3390/jmse6020042
Received: 1 February 2018 / Revised: 28 February 2018 / Accepted: 26 March 2018 / Published: 12 April 2018
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Abstract
This article describes the set of photogrammetric tools developed for the monitoring of Mediterranean red coral Corallium rubrum populations. The description encompasses the full processing chain: from the image acquisition to the information extraction and data interpretation. The methods applied take advantage of
[...] Read more.
This article describes the set of photogrammetric tools developed for the monitoring of Mediterranean red coral Corallium rubrum populations. The description encompasses the full processing chain: from the image acquisition to the information extraction and data interpretation. The methods applied take advantage of existing tools and new, innovative and specific developments in order to acquire data on relevant ecological information concerning the structure and functioning of a red coral population. The tools presented here are based on: (i) automatic orientation using coded quadrats; (ii) use of non-photorealistic rendering (NPR) and 3D skeletonization techniques; (iii) computation of distances between colonies from a same site; and (iv) the use of a plenoptic approach in an underwater environment. Full article
(This article belongs to the Special Issue Underwater Imaging)
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