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Online control of quadrotor and camera with MPC for robust vision-based flight
(2022)Micro aerial robots are applied extensively in today’s society and industry. In certain scenes where it is used for data collection like monitoring, inspection or patrolling, it is important to know the accurate position of the robot. In vision-based navigation scenarios, usually, the quadrotor equipped with a camera is controlled autonomously by a controller after the enduser sets up the goal and the flight region. In these cases, the ...Master Thesis -
Further Development of the Wildfire Module in CLIMADA by Integrating Physical Constraints
(2022)Wildfires are among the most destructive natural hazards and lead to substantial economic impacts. Therefore, assessing and quantifying their economic risk is of great interest to governmental authorities and (re-)insurance companies. To estimate the risk, the probabilistic wildfire module in the open-source software CLIMADA (CLIMate ADAptation) simulates wildfire seasons based on a cellular automaton. In this thesis, we extend the ...Master Thesis -
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Shift-DeepONet: Extending Deep Operator Networks for Discontinuous Output Functions
(2022)Master Thesis -
JSONiq and RumbleDB on Snowflake
(2022)This thesis integrates Snowflake to the ecosystem of RumbleDB, the query execution engine of the JSONiq query language for large, messy, and heterogeneous data. This enables RumbleDB to take advantage of major benefits provided by cloud-native database services such as usability, scalability, elasticity, and productivity, without performance compromise. Data independence achieved by RumbleDB make this integration possible. We only update ...Master Thesis -
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Right-angled Artin groups as finite-index subgroups of their outer automorphism groups
(2022)A right-angled Artin group is a group that admits a finite presentation where the only relations are commutators between two generators. We prove by giving an explicit construction that every right-angled Artin group occurs as a finite-index subgroup of the outer automorphism group of another right-angled Artin group. We furthermore show that the latter group can be chosen in such a way that the quotient is isomorphic to (Z/2Z)^N for some ...Master Thesis -
Understanding GDPR compliance of tracking pixel declarations using privacy filter lists
(2022)Tracking and data collection on the World Wide Web are ever-present. Privacy laws, such as the General Data Protection Regulation (GDPR) of the European Union, have come into effect to address user tracking. To comply with GDPR, websites use consent banners informing users about tracking and giving acceptance choices; these are server-side tracking-prevention mechanisms. Independently, ad- and trackingblockers provide client-side protection. ...Bachelor Thesis -
Declarative Power Sequencing using a CPLD
(2022)Declarative power sequencing solves the difficult and tedious problem of bringing up and managing the power resources of a computing platform by describing the platform in a declarative model and applying constraint solving to obtain correct power sequences from the model. To date these generated power sequences are wholly executed on the board management controller (BMC). However, some platforms provide specialized hardware for the purpose ...Bachelor Thesis