FocusNET: An autofocusing learning‐based model for digital lensless holographic microscopy
M Montoya, MJ Lopera, A Gómez-Ramírez… - Optics and Lasers in …, 2023 - Elsevier
This paper reports on a convolutional neural network (CNN)–based regression model,
called FocusNET, to predict the accurate reconstruction distance of raw holograms in Digital …
called FocusNET, to predict the accurate reconstruction distance of raw holograms in Digital …
Holographic point source for digital lensless holographic microscopy
MJ Lopera, C Trujillo - Optics Letters, 2022 - opg.optica.org
A holographic point source (HPS) developed for digital lensless holographic microscopy
(HPS-DLHM) is presented. The HPS is an off-axis phase transmission hologram of an …
(HPS-DLHM) is presented. The HPS is an off-axis phase transmission hologram of an …
Linear diattenuation imaging of biological samples with digital lensless holographic microscopy
MJ Lopera, C Trujillo - Applied Optics, 2022 - opg.optica.org
A digital lensless holographic microscope (DLHM) sensitive to the linear diattenuation
produced by biological samples is reported. The insertion of a linear polarization-states …
produced by biological samples is reported. The insertion of a linear polarization-states …
Image enhancement and field of view enlargement in digital lensless holographic microscopy by multi-shot imaging
SI Zapata-Valencia, H Tobon-Maya… - JOSA A, 2023 - opg.optica.org
A method to improve the quality of reconstructed images while the field of view (FOV) is
enlarged in digital lensless holographic microscopy (DLHM) is presented. Multiple DLHM …
enlarged in digital lensless holographic microscopy (DLHM) is presented. Multiple DLHM …
Sagnac interferometer-based transmission grating super-resolution digital microholography
W Zhang, C Shi, B Li - Journal of Optics, 2022 - Springer
A super-resolution holographic imaging setup has been developed by combining a Sagnac
interferometer with a transmission grating. It was observed that a slight twist of the polarized …
interferometer with a transmission grating. It was observed that a slight twist of the polarized …
Experimental optimization of lensless digital holographic microscopy with rotating diffuser-based coherent noise reduction
Laser-based lensless digital holographic microscopy (LDHM) is often spoiled by
considerable coherent noise factor. We propose a novel LDHM method with significantly …
considerable coherent noise factor. We propose a novel LDHM method with significantly …
Open-access database for digital lensless holographic microscopy and its application on the improvement of deep-learning-based autofocusing models
C Buitrago-Duque, H Tobón-Maya… - Applied Optics, 2024 - opg.optica.org
Among modern optical microscopy techniques, digital lensless holographic microscopy
(DLHM) is one of the simplest label-free coherent imaging approaches. However, the …
(DLHM) is one of the simplest label-free coherent imaging approaches. However, the …
Comparative analysis of digital holographic microscopy and digital lensless holographic microscopy for quantitative phase imaging
This study provides a detailed comparison of two widely used quantitative phase imaging
(QPI) techniques: single-shot off-axis digital holographic microscopy (DHM) and digital …
(QPI) techniques: single-shot off-axis digital holographic microscopy (DHM) and digital …
Computationally efficient phase aberration compensation method for digital holographic microscopy of biological samples
S Obando-Vásquez, C Trujjillo - Optics and the Brain, 2021 - opg.optica.org
Conference title, upper and lower case, bolded, 18 point type, centered Page 1 Computationally
efficient phase aberration compensation method for digital holographic microscopy of biological …
efficient phase aberration compensation method for digital holographic microscopy of biological …
Improvement of the image reconstruction in digital lensless holographic microscopy by scanning of the sample plane
SI Zapata-Valencia… - Latin America Optics and …, 2022 - opg.optica.org
Improvement of the image reconstruction in digital lensless holographic microscopy by scanning
of the sample plane Page 1 Improvement of the image reconstruction in digital lensless …
of the sample plane Page 1 Improvement of the image reconstruction in digital lensless …