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Graph-Based Multi-Modal SLAM for Resilience in Sensor-Degraded Environments
(Master thesis, 2021)Pålitelig og nøyaktig samtidig lokalisering og kartlegging (SLAM) er en nødvendig forutsetning for vellykket bruk av autonome systemer, som gjør det mulig for roboter å kartlegge og navigere omgivelsene sine, uten bruk av ... -
Graph-based Natural Language Processing: Graph edit distance applied to the task of detecting plagiarism
(Master thesis, 2012)The focus of this thesis is the exploration of graph-based similarity, in the context of natural language processing. The work is motivated by a need for richer representations of text. A graph edit distance algorithm was ... -
Graph-based Path Planning in a Simulated Rough Terrain
(Bachelor thesis, 2023)Denne rapporten beskriver implementasjonen av baneplanleggingsrammeverket, GBPlanner2, for en simulert versjon av Lone Wolf ATVen. Rapporten dekker også implementasjon av viapunktfunksjonalitet. Spesifikasjoner, design og ... -
Graph-Based Representations for Textual Case-Based Reasoning
(Master thesis, 2011)This thesis presents a graph-based approach to the problem of text representation. The work is motivated by the need for better representations for use in textual Case-Based Reasoning (CBR). In CBR new problems are solved ... -
Graph-based slam and navigation in a simulated environment and buoy classification using YOLO for an Autonomous Surface Vessel
(Bachelor thesis, 2020)AutoDrone konkurransen er et nasjonalt maritimt robotikk event holdt av Universitetet i Sør-Øst Norge (USN) og er holdt i Horten, Norge. Konkurransen er åpen for fullstendig autonome og ubenammede båter innen gitte ... -
Graph-Based Storage In Social Networks
(Master thesis, 2016)How do we efficiently store an ever-growing amount of data? How do we retrieve and analyze relationships between data quickly? These are among the concerns faced by companies such as Google, Yahoo, Amazon, and Facebook ... -
Graph-theoretic approaches and tools for quantitatively assessing curricula coherence
(Peer reviewed; Journal article, 2020)In this paper, we propose a method to analyse the coherence of existing curricula at higher education institution. We focus our attention to engineering programmes at universities but the proposed method is by no means ... -
Graphene Family Nanomaterial Reinforced Magnesium-Based Matrix Composites for Biomedical Application: A Comprehensive Review
(Peer reviewed; Journal article, 2020)Together with the enhancement of the load-bearing implant process for bone substitution and reproduction, an increasing requirement was observed concerning biodegradable magnesium and its alloys with lighter density and ... -
Graphene H-Waveguide for Terahertz Lasing Applications: Electromagnetic Quasi-Linear Theory
(Peer reviewed; Journal article, 2020)A novel graphene H-waveguide is proposed for active terahertz components. A graphene film illuminated by strong pumping light shorts the parallel conductor plates. The terahertz modes propagating along this film are amplified ... -
Graphene inclusion effect on anion-exchange membranes properties for alkaline water electrolyzers
(Peer reviewed; Journal article, 2020)The main issues facing the development of Anion Exchange Membranes (AEM) are the low hydroxide ion (OH−) conductivity compared to protons (H+), and the thermal and chemical stability. Based on the its unique two-dimensional ... -
Graphene mode-locked Cr: ZnS chirped-pulse oscillator
(Journal article; Peer reviewed, 2014)We report the first to our knowledge high-energy graphene mode-locked solid-state laser operating in the positive dispersion regime. Pulses with 15.5 nJ energy and 42 nm spectral bandwidth with 0.87 ps duration were obtained ... -
Graphene Mode-locked Cr:ZnS Laser with 41 fs Pulse Duration
(Journal article; Peer reviewed, 2014)We report the ultrashort-pulse Cr:ZnS laser mode-locked by graphene-based saturable absorber mirror. Using the combination of bulk material and a chirped mirror, we demonstrate the shortest reported so far mid-IR pulses ... -
Graphene mode-locked Cr:ZnS laser with 44 fs pulse duration
(Chapter, 2013)The first Cr:ZnS laser mode-locked by graphene-based saturable absorber mirror generates the shortest reported so far mid-IR pulses of only 5.5 optical cycles (44 fs) at 2.35 μm with 139 nm spectral bandwidth. -
Graphene Modified Fluorinated Cation-Exchange Membranes for Proton Exchange Membrane Water Electrolysis
(Journal article; Peer reviewed, 2019)One of major current technical challenges in proton exchange membrane water electrolysis (PEMWE) is the limited proton conductivity. Nowadays, graphene is considered one of the most promising candidates for improving the ... -
Graphene Oxide as Reinforcement in Epoxy Based Nanocomposites.
(Master thesis, 2014)Graphene oxide has received much attention in recent years because of its many promising properties. Graphene oxide can be used to produce graphene in large quantities, and in addition graphene oxide has many promising ... -
Graphene Oxide Coatings for Anti-Fouling Applications
(Master thesis, 2020)Belegg (coatinger) med grohindrende egenskaper har evnen til å hemme algevekst på konstruksjoner i marine næringer, i skipsfart, offshoreindustri, fiskeoppdrett og vannrensing. I dag brukes kobberoksid i flere relaterte ... -
Graphene oxide in zinc alginate films: Antibacterial activity, cytotoxicity, zinc release, water sorption/diffusion, wettability and opacity
(Peer reviewed; Journal article, 2019)Alginate is considered an exceptional biomaterial due to its hydrophilicity, biocompatibility, biodegradability, nontoxicity and low-cost in comparison with other biopolymers. We have recently demonstrated that the ... -
Graphene Saturable Absorber Mirrors for 2-3 μm Lasers
(Master thesis, 2018)This thesis is devoted to the development of graphene saturable absorber mirrors for ultrafast applications in the mid-infrared. It covers from the fabrication of the graphene saturable absorber mirrors via graphene transfer ... -
Graphene-based extremely wide-angle tunable metamaterial absorber
(Journal article; Peer reviewed, 2016)We investigate the absorption properties of graphene-based anisotropic metamaterial structures where the metamaterial layer possesses an electromagnetic response corresponding to a near-zero permittivity. We find that ... -
Graphene-Based Transparent Conducting Substrates for GaN/AlGaN Nanocolumn Flip-Chip Ultraviolet Light-Emitting Diodes
(Journal article; Peer reviewed, 2021)Flip-chip ultraviolet light-emitting diodes based on self-assembled GaN/AlGaN nanocolumns have been fabricated, exploiting single-layer graphene not only as a growth substrate but also as a transparent conducting electrode. ...