Search Results for author: Ioannis Psarros

Found 3 papers, 1 papers with code

Data-driven soiling detection in PV modules

no code implementations30 Jan 2023 Alexandros Kalimeris, Ioannis Psarros, Giorgos Giannopoulos, Manolis Terrovitis, George Papastefanatos, Gregory Kotsis

We study the problem of estimating the soiling ratio in photo-voltaic (PV) modules, i. e., the ratio of the real power output to the power output that would be produced if solar panels were clean.

Time Series Time Series Analysis

$(2+ε)$-ANN for time series under the Fréchet distance

no code implementations21 Aug 2020 Anne Driemel, Ioannis Psarros

Our third positive result is a probabilistic data structure based on locality-sensitive hashing, which achieves space in $\mathcal{O}(n\log n+nm)$ and query time in $\mathcal{O}(k\log n)$, and which answers queries with an approximation factor in $\mathcal{O}(k)$.

Time Series Analysis Computational Geometry

Practical linear-space Approximate Near Neighbors in high dimension

2 code implementations22 Dec 2016 Georgia Avarikioti, Ioannis Z. Emiris, Ioannis Psarros, Georgios Samaras

Experiments confirm the sublinear dependence on $n$ and the linear dependence on the dimension.

Computational Geometry

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