User profiles for L. Martin Sandvik Aas

Lars Martin Sandvik Aas

Submerged AS
Verified email at submerged.no
Cited by 647

The use of underwater hyperspectral imaging deployed on remotely operated vehicles-methods and applications

G Johnsen, M Ludvigsen, A Sørensen, LMS Aas - IFAC-PapersOnLine, 2016 - Elsevier
Currently a new underwater hyperspectral imager (UHI) have been deployed on Remotely
Operated Vehicles (ROV) for a more automated identification, mapping and monitoring of bio-…

Mueller matrix measurements of algae with different shape and size distributions

Ø Svensen, JJ Stamnes, M Kildemo, LMS Aas… - Applied …, 2011 - opg.optica.org
The full Mueller matrix was measured to obtain the polarization state of the scattered light for
a variety of algae with different shapes, wall compositions, sizes, and refractive indices. The …

Autonomous underwater vehicles as a platform for underwater hyperspectral imaging

Ø Sture, M Ludvigsen, LMS Aas - Oceans 2017-Aberdeen, 2017 - ieeexplore.ieee.org
During an expedition to the Atlantic Mid-Ocean ridge in August 2016, an underwater hyperspectral
imager (UHI) was utilized. The target was to investigate its applicability to exploration …

Mueller matrix three-dimensional directional imaging of collagen fibers

PG Ellingsen, LMS Aas, VS Hagen… - Journal of …, 2014 - spiedigitallibrary.org
A method for measuring three-dimensional (3-D) direction images of collagen fibers in
biological tissue is presented. Images of the 3-D directions are derived from the measured …

Molecular beam and pulsed laser deposition of ZnS: Cr for intermediate band solar cells

M Nematollahi, X Yang, LMS Aas, Z Ghadyani… - Solar Energy Materials …, 2015 - Elsevier
We have investigated the structural and optical properties of Cr-doped ZnS (ZnS:Cr) thin films
(0–7.5 at.% Cr) for use in intermediate band solar cells. The films were grown on Si(100) in …

Quantitative characterization of articular cartilage using Mueller matrix imaging and multiphoton microscopy

PG Ellingsen, MB Lilledahl, LMS Aas… - … of biomedical optics, 2011 - spiedigitallibrary.org
The collagen meshwork in articular cartilage of chicken knee is characterized using Mueller
matrix imaging and multiphoton microscopy. Direction and degree of dispersion of the …

Overdetermined broadband spectroscopic Mueller matrix polarimeter designed by genetic algorithms

LMS Aas, PG Ellingsen, BE Fladmark, PA Letnes… - Optics …, 2013 - opg.optica.org
This paper reports on the design and implementation of a liquid crystal variable retarder
based overdetermined spectroscopic Mueller matrix polarimeter, with parallel processing of all …

Fast and optimal broad-band Stokes/Mueller polarimeter design by the use of a genetic algorithm

PA Letnes, IS Nerbø, LMS Aas, PG Ellingsen… - Optics express, 2010 - opg.optica.org
L is a normalized thickness, with L = 1 corresponding to a retardance of λ/2@510 nm for
the FLCs and λ/4@465 nm for the waveplates. Each L and θ are represented by 8 bits each in …

Detection and classification of Lepeophterius salmonis (Krøyer, 1837) using underwater hyperspectral imaging

…, BA Gawel, PA Letnes, K Sæther, LMS Aas - Aquacultural …, 2019 - Elsevier
… Lars Martin Sandvik Aas contributed greatly in creating the concept and design of the
experiments. He participated in all parts of the experiments, acquisition of data and facilitation of …

Underwater hyperspectral imaging for environmental mapping and monitoring of seabed habitats

…, S Ekehaug, IM Hansen, LMS Aas… - OCEANS 2015 …, 2015 - ieeexplore.ieee.org
Underwater hyperspectral imaging is a novel method for mapping and monitoring the
seafloor. It uses the reflected light from objects under water to automatically identify them. This …