Посмотр Atomfizikas un spektroskopijas institūts / Institute of Atomic Physics and Spectroscopy по названию
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Photoplethysmography for bovine heat detection: the preliminary results
(International Society for Optics and Photonics (SPIE), 2020-02-14)In this study, we applied photoplethysmography (PPG) as an alternative, convenient, and affordable method for bovine heat detection. Heat detection is an essential part of effective herd reproduction management. Currently, ... -
Photoplethysmography in dogs and cats: a selection of alternative measurement sites for a pet monitor
(IOP Publishing, 2019-01-22)Objective: Photoplethysmography (PPG) is an increasingly popular health and well-being tool for monitoring heart rate and oxygen saturation. Due to the pigmentation and hairiness of dogs and cats, a pulse oximeter is ... -
Poor optical stability of molecular dyes when used as absorbers in water-based tissue-simulating phantoms
(SPIE, 2019-02-27)Biomedical optical systems and models can be easily validated by the use of tissue-simulating phantoms. They can consist of water-based turbid media which often include inks (India ink and molecular dyes) as absorbers. ... -
Quantum Optics and Photonics 2021: Book of Abstracts : The 4th International Conference, Riga, 22-23 April 2021
(University of Latvia, 2021) -
Quantum sciences, Space sciences and Technologies – PHOTONICS RIGA 2023
(University of Latvia Press, 2023-06)A collection of the 5th International Conference 'Quantum sciences, Space sciences and Technologies – PHOTONICS RIGA 2023' reports -
Skimager for the objective erythema estimation in atopic dogs
(International Society for Optics and Photonics (SPIE), 2020-02-19)In this study, the severity of canine skin erythema was assessed objectively for the first time. Atopic dermatitis (AD) is a common canine inflammatory and pruritic skin disease associated with an allergic reaction to ...