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Segmentation of Partially Overlapping Convex Objects in Silhouette Images
(Lappeenranta University of Technology, 2018-11-29)
Overlapping objects segmentation is of great importance for the automatic analysis in many industrial and biomedical applications. For example, in industrial applications characteristics of nanoparticles by shape and size ...
CFD-based optimization for wind turbine locations in a wind park
(Lappeenranta-Lahti University of Technology LUT, 2019-05-10)
Searching for the optimal positions of wind turbines in a wind farm for their maximal power generation has an important and difficult role in the wind energy industry. Several factors have to be considered while designing ...
The linguistic approximation of fuzzy models outputs
(Lappeenranta-Lahti University of Technology LUT, 2019-11-29)
Linguistic approximation is a process of assigning linguistic labels to various mathematical objects, frequently ones that are obtained as outputs of fuzzy models. Such an assignment cannot be arbitrary – the usual requirement ...
Advanced Techniques for Unsupervised Classification of Remote Sensing Hyperspectral Images
(Lappeenranta-Lahti University of Technology LUT, 2019-05-20)
Hyperspectral images consisting of a broad range of contiguous spectral bands ought to be a valuable tool for land cover type mapping. However, the coarse spatial resolutions of remote sensing Hyperspectral images makes a ...
Ni-Mn-Ga magnetic shape memory alloy for precise high-speed actuation in micro-magneto-mechanical-systems
(Lappeenranta University of Technology, 2019-01-17)
Single crystalline Ni-Mn-Ga alloys are known for their large reversible magnetic-field-induced strain (MFIS) of several percent. This effect was discovered and named magnetic shape memory (MSM) by K. Ullakko in 1996. Since ...
Moving Object Analysis and Trajectory Processing with Applications in Human-Computer Interaction and Chemical Processes
(Lappeenranta University of Technology, 2018-12-13)
In order to better understand processes with moving objects using computer vision, it is important to be able to measure and to analyze how the objects move. The recent advances in imaging technology and in image-based ...
Twin boundary dynamics in magnetic shape memory alloy Ni-Mn-Ga five-layered modulated martensite
(Lappeenranta University of Technology, 2018-12-10)
Ni-Mn-Ga magnetic shape memory (MSM) alloys are considered to be highly promising materials for actuation, damping, sensing and energy harvesting applications, due to the unique combination of a large transformation strain ...
Atomic Force Microscopy of electrical, mechanical and piezo properties of nanowires
(Lappeenranta University of Technology, 2018-12-07)
Careful methodology of Atomic Force Microscopy (AFM) regimes was developed for advanced examination of electrical transport, mechanical strength and electro-mechanical (piezoelectric) features of as-grown III-V semiconductor ...
Microscopy investigation of the surface of some modern magnetic materials
(Lappeenranta-Lahti University of Technology LUT, 2021-02-12)
This thesis is based on experimental work with standard commercial measuring stations. The main idea was to recognise possibilities of two surface analysis methods for different types of magnetic materials. Magnetic particles ...
Bayesian inference by informative Gaussian features of the data
(Lappeenranta-Lahti University of Technology LUT, 2021-02-05)
Given a set of measurements, a model can be calibrated to data by minimising a cost function that captures the model-data difference. The standard cost function for deterministic models is the residual sum of squares between ...