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Tangent Sampson: Fast Approximate Two-view Reprojection Error for Central Camera Models

In this paper we introduce the Tangent Sampson error, which is a generalization of the classical Sampson error in two-view geometry that allows for arbitrary central camera models. It only requires local gradients of the distortion map at the original correspondences (allowing for pre-computation) resulting in a negligible increase in computational cost when used in RANSAC or local refinement. The

Direct lithium hydroxide production from chloride-based brines using a Donnan Dialysis process

The growing demand for lithium-ion batteries has intensified the need for efficient processes to produce lithium hydroxide (LiOH), a compound with superior performance in cathode manufacturing compared to lithium carbonate. Conventional LiOH production from brine involves the lime conversion of lithium carbonate, which increases costs and process complexity. In this study, Donnan dialysis using an

3D Line Mapping Revisited

In contrast to sparse keypoints, a handful of line segments can concisely encode the high-level scene layout, as they often delineate the main structural elements. In addition to offering strong geometric cues, they are also omnipresent in urban landscapes and indoor scenes. Despite their apparent advantages, current line-based reconstruction methods are far behind their point-based counterparts.

Architectural Factors Affecting Illumination in Swedish Dairy Barns : Insights from Photometric Measurements and Simulations

Illumination of dairy barns impacts animal health, milk production, and building energy efficiency. The aim of this study was to assess the existing daylighting and electric lighting conditions of dairy barns located in Southern Sweden. The study specifically examined how different architectural features impact the lighting environment, aiming to identify retrofit potentials in older barns and are

Characterization of a GH17 laminarinase, MlGH17A, from a laminarin polysaccharide utilization locus in the marine bacterium Muricauda lutaonensis

Heterotrophic marine microorganisms have the capability to degrade and metabolize laminarin, which is the most abundant source of energy and nutrients in the marine environment, via enzymes encoded by genes clustered in polysaccharide utilization loci (PULs). In this study, a PUL potentially responsible for laminarin utilization was identified in the genome of the marine bacterium Muricauda l

Measurements of ventilation airflow from pivot and side hung opened windows

HVAC systems have the purpose of improving indoor air quality in buildings to enhance appropriate occupants- comfort, health and good productivity. Window airing may be one measure to consider in the absence of occupant control of the ventilation and by that, we mean occupants opening windows and doors. Approximating the volume of air exchanged during window airing is important in understanding th

Techno-economic comparison and cost-effective design of robust charging infrastructures for large industrial sites

Electrifying heavy-duty vehicles at large sites requires charging infrastructure designs that balance cost and robustness. This article quantitatively compares six different charging infrastructures, spanning centralized vs. decentralized layouts and AC vs. DC distribution through a case study of a 50-charger site (≈15 MW total). Capital costs (cables, converters, transformers) are modeled, and ea

In-situ peel test analysis via synchrotron tomography and DVC

To study adhesion in flexible laminates, standardised peel tests are commonly used where macroscopic measurements, e.g. peel force versus peel arm displacement, are extracted. However, insights into the adhesion mechanisms at the microscopic scale are limited. This study has developed a framework for determining peel arm geometry parameter evolution and deformation in packaging material laminates.

Building products for reuse : The gap between reported and estimated quantities from demolished buildings

The construction industry is a major contributor to resource consumption and waste generation in the EU, making the transition to circular construction essential. Reuse of building products is an important circular strategy, but large-scale implementation is hindered by limited market maturity and uncertainty regarding product availability. This study aims to investigate the gap between reported a

Navigating the Future Control Room : Trends, Challenges, and Opportunities

The energy system is undergoing significant changes and is expected to continue to evolve. Energy demand is anticipated to increase, as is renewable energy capacity, and technical solutions are advancing. For electrical power, traditionally centralized production is increasingly complemented by distributed production, transforming fundamental system functionality. These developing factors will aff

Now the forests are of value - An everyday historical political ecology from southern Sweden

Boreal and temperate forests have been greatly affected by clear-cutting. Alternative management systems, such as continuous cover forestry and selective logging, have remained secondary to the dominant even-aged management regime. This regime has its roots in scientific forest management, whose dissemination and development have been well described. But the experiences of rural communities living

ECG-Based Long-Term Prediction of Atrial Fibrillation

Identification of patients at risk to develop atrial fibrillation (AF) can enable more frequent follow-up and lead to earlier detection of AF. The aim of this project was to perform long-term AF prediction based on a novel set of ECG-derived features describing the characteristics of supraventricular arrhythmias present before new onset AF. In total, 12 199 patients aged 75/76 performed repeated s

An integrated Biobank in the Swedish Heart Failure Registry - clinomics, proteomics, transcriptomics and genomics

AIMS: To build a comprehensive biobank integrated in the Swedish Heart Failure Registry (SwedeHF) comprising comprehensive clinomic data, proteomic, transcriptomic and genomic information in combination with clinical and diagnostic characteristics and additional ICD-code registry data.METHODS: Blood and urine samples will be biobanked at SwedeHF registration with an optional second sampling after

Are the ARC-HBR criteria associated with major bleeding and ischaemic events in an all-comer AMI population? : Insights from the MINAP and SWEDEHEART registries

BACKGROUND: A significant proportion of acute myocardial infarction (AMI) patients have characteristics of high-bleeding -risk (HBR). Their influence on ischaemic and bleeding-events in AMI all-comers is not well described.METHODS: AMI Patients in England and Wales (E&W), and Sweden between 2005 and 2019 were included from MINAP and SWEDEHEART national registries. Patients were categorised acc