[en] Complex signal vectors, particularly spectra, are integral to many scientific domains. Interpreting these signals often involves decomposing them into contributions from independent components and subtraction or deconvolution of the channel and instrument noise. Despite the fundamental nature of this task, researchers frequently rely on costly commercial tools. To make such tools accessible to all, we present Tihi, interactive, open-source multiplatform software for interpolation, denoising, baseline correction, peak detection, and signal decomposition. Tihi provides a user-friendly graphical interface (GUI) that facilitates the analysis of spectroscopic data and more. It allows researchers to contribute to and freely distribute these tools, ensuring broad accessibility and fostering collaborative improvements. We present examples demonstrating the efficiency of the program using the spectra of different systems acquired by different spectroscopic techniques, including Raman (aspirin), IR (solid ammonia), XRD (anatase), and UV-vis (petal tip from the Puya alpestris flower). These examples showcase a variety of spectra that differ significantly, from signals with narrow profiles to signals with very broad profiles. This demonstrates the versatility of Tihi for peak identification in a wide range of spectroscopic techniques.
Research center :
ULHPC - University of Luxembourg: High Performance Computing
HAN, Kyunghoon ; University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
BOZIKI, Ariadni ; University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
TKATCHENKO, Alexandre ; University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
BERRYMAN, Josh ; University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
External co-authors :
no
Language :
English
Title :
TIHI Toolkit: A Peak Finder and Analyzer for Spectroscopic Data
This project is funded by the grant C20/MS/14588607 of the Fonds Nationale de la Recherche (FNR) Luxembourg. The calculations presented in this paper were carried out using the HPC facilities of the University of Luxembourg (see hpc.uni.lu ). The authors thank Tobias Henkes, Alessio Fallani, Matthieu Sarkis, F. Simone Ruggeri, Carolin Müller and Gregory Cordeiro Fonseca for attention and instruction during the development process.
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