Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Martín Germán González"'
Publikováno v:
Revista Elektrón, Vol 7, Iss 2, Pp 61-70 (2023)
This work proposes the use of a Generative Adversarial Network (GAN) to perform data augmentation with the goal of improving image reconstruction in Optoacustic Tomography (OAT) applications. We employ the FastGAN model, a compact net capable of gene
Externí odkaz:
https://doaj.org/article/1d5f56d3be5042e58bb3165e98bbdd38
Publikováno v:
Revista Elektrón, Vol 5, Iss 2, Pp 94-99 (2021)
In this work, the source of the artifacts introduced in the images obtained with an optoacoustic tomography system based on the software-defined optoelectronics concept are analyzed and characterized. It is shown that the measured signals are affecte
Externí odkaz:
https://doaj.org/article/18f543c34e77484487b7b84f224ff3ff
Publikováno v:
Revista Elektrón, Vol 4, Iss 2, Pp 64-68 (2020)
Optoacoustic imaging is a hybrid technique that benefits from both the versatile optical contrast and the high spatial resolution associated with the low propagation dispersion of ultrasonic waves. Usually, high energy lasers (> 10 mJ) are used as a
Externí odkaz:
https://doaj.org/article/357034fca23f44ef806163c1626bc2b3
Publikováno v:
Revista Elektrón, Vol 4, Iss 2, Pp 69-73 (2020)
In this work we present the study, development and characterization of a cylindrical focused ultrasonic sensor based on a piezoelectric polymeric material. For the design and implementation of the transducer, we carried out simulations using the comm
Externí odkaz:
https://doaj.org/article/9ae079280458493d85a022cfd3e58ff0
Publikováno v:
Revista Elektrón, Vol 2, Iss 1, Pp 26-29 (2018)
This paper shows that the use of filters based on the discrete wavelet transform (DWT) improves the sensitivity of photoacoustic systems for measurement of trace gases under conditions of unfavorable signal-to-noise ratio (SNR). To achieve this goal,
Externí odkaz:
https://doaj.org/article/34429867675248d4a665a9166ac4f4fd
Publikováno v:
Revista Elektrón, Vol 1, Iss 2, Pp 53-57 (2017)
This paper presents the implementation and electric characterization of a broadband piezoelectric polymer sensor with linear geometry based on a thin film of polyvinylidene fluoride. The electrical impedance of the sensor was measured as a function o
Externí odkaz:
https://doaj.org/article/6d7d286f4752414ba279b00a9b753bb7
Publikováno v:
Revista Elektrón, Vol 1, Iss 2, Pp 58-65 (2017)
Optoacoustic imaging is a hybrid technique with a rapid evolution within the area of biomedical imaging. It combines the rich and versatile optical contrast with the high spatial resolution associated with the low-dispersion ultrasonic wave propagati
Externí odkaz:
https://doaj.org/article/fae086f4f1404cc0b844b4c080e5745a
Publikováno v:
Revista Elektrón, Vol 1, Iss 1, Pp 8-15 (2017)
In this paper we present the study of three sensors, based on piezoelectric polymer thin films, for photoacoustic systems used in the characterization of liquids. Its performance was compared by carrying out measurements on well-known liquids. From t
Externí odkaz:
https://doaj.org/article/2d4472686a0a477dafcea5a11476e95b
Publikováno v:
Elektron; Vol 5, No 2 (2021); 94-99
Revista Elektrón, Vol 5, Iss 2, Pp 94-99 (2021)
Revista Elektrón, Vol 5, Iss 2, Pp 94-99 (2021)
In this work, the source of the artifacts introduced in the images obtained with an optoacoustic tomography system based on the software-defined optoelectronics concept are analyzed and characterized. It is shown that the measured signals are affecte
Publikováno v:
Revista Elektrón, Vol 2, Iss 2, Pp 63-66 (2018)
En este trabajo se presenta un método para determinar la resolución espacial y la sensibilidad de sistemas para tomografía optoacústica (TOA). Éste consiste en la obtención de la imagen de una muestra basada en una lámina transparente embebida