Results 31 to 40 of about 101,868 (267)

A low-cost hyperspectral scanner for natural imaging and the study of animal colour vision above and under water [PDF]

open access: yes, 2019
Hyperspectral imaging is a widely used technology for industrial and scientific purposes, but the high cost and large size of commercial setups have made them impractical for most basic research.
Baden, T, Nevala, N E
core   +1 more source

Enhancing underwater images by fusion [PDF]

open access: yesACM SIGGRAPH 2011 Posters, 2011
When photographs are taken in underwater conditions the visibility of the scene is degraded significantly. This is due to the fact that the radiance of a point in the scene is directly influenced by the medium scattering. Practically, distant objects and part of the scene suffers from poor visibility, loss of contrast and faded colors.
Ancuti, Cosmin   +3 more
openaire   +2 more sources

UMGAN: Underwater Image Enhancement Network for Unpaired Image-to-Image Translation

open access: yesJournal of Marine Science and Engineering, 2023
Due to light absorption and scattering underwater images suffer from low contrast, color distortion, blurred details, and uneven illumination, which affect underwater vision tasks and research.
Boyang Sun   +3 more
doaj   +1 more source

UNDERWATER IMAGE ENHANCEMENT BASED ON POLARIZATION IMAGING [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
The need of high-quality underwater imaging is obviously required in many underwater applications. For example, underwater archaeology, underwater ecological research, underwater object detection and tracking.
L. Shen, Y. Zhao
doaj   +1 more source

A new 3-D modelling method to extract subtransect dimensions from underwater videos [PDF]

open access: yes, 2012
Underwater video transects have become a common tool for quantitative analysis of the seafloor. However a major difficulty remains in the accurate determination of the area surveyed as underwater navigation can be unreliable and image scaling does not ...
Fillinger, Laura, Funke, Tobias
core   +2 more sources

Enhancement of Underwater Video Mosaics for Post-Processing [PDF]

open access: yes, 2007
Mosaics of seafloor created from still images or video acquired underwater have proved to be useful for construction of maps of forensic and archeological sites, species\u27 abundance estimates, habitat characterization, etc.
Gu, Fan, Rzhanov, Yuri
core   +3 more sources

A Novel Underwater Image Enhancement Using Optimal Composite Backbone Network

open access: yesBiomimetics, 2023
Continuous exploration of the ocean has made underwater image processing an important research field, and plenty of CNN (convolutional neural network)-based underwater image enhancement methods have emerged over time.
Yuhan Chen   +6 more
doaj   +1 more source

Fast underwater image enhancement based on a generative adversarial framework

open access: yesFrontiers in Marine Science, 2023
Underwater image enhancement is a fundamental requirement in the field of underwater vision. Along with the development of deep learning, underwater image enhancement has made remarkable progress. However, most deep learning-based enhancement methods are
Yang Guan   +8 more
doaj   +1 more source

An In-Depth Survey of Underwater Image Enhancement and Restoration

open access: yesIEEE Access, 2019
Images taken under water usually suffer from the problems of quality degradation, such as low contrast, blurring details, color deviations, non-uniform illumination, etc.
Miao Yang   +5 more
doaj   +1 more source

Visual-Quality-Driven Learning for Underwater Vision Enhancement

open access: yes, 2018
The image processing community has witnessed remarkable advances in enhancing and restoring images. Nevertheless, restoring the visual quality of underwater images remains a great challenge.
Amaral, Henrique Grandinetti Barbosa   +3 more
core   +1 more source

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