Autofocusing techniques in digital holographic microscopy and their applications (Cover paper) (Invited)
W Yu, W Kai, Z Meiling, M Ying, L Min, Z Juanjuan… - 红外与激光工程, 2021 - irla.cn
Abstract Digital Holographic Microscopy (DHM) combines optical interferometry with optical
microscopy and hence provides a fast, non-destructive measurement approach for the 3D …
microscopy and hence provides a fast, non-destructive measurement approach for the 3D …
Autofocus method in digital holographic microscopy
J Liu, X Song, R Han, H Wang - 4th International Symposium …, 2009 - spiedigitallibrary.org
The determination of focused image plane is the key of numerical reconstruction of
wavefront. In this paper, three autofocus algorithms for digital holographic microscopy …
wavefront. In this paper, three autofocus algorithms for digital holographic microscopy …
Autofocusing based on cosine similarity in dual-wavelength digital holographic microscopy
H Yu, S Jia, Y Liu, J Peng, X Zhou… - … Science and Technology, 2021 - iopscience.iop.org
An autofocusing method based on cosine similarity in dual-wavelength digital holographic
microscopy is proposed. In our experiments, red and green lasers are employed for …
microscopy is proposed. In our experiments, red and green lasers are employed for …
Autofocusing based on wavelength dependence of diffraction in two-wavelength digital holographic microscopy
An autofocusing method for two-wavelength digital holographic microscopy (TWDHM)
based on the wavelength dependence of the diffraction process is proposed. Red and green …
based on the wavelength dependence of the diffraction process is proposed. Red and green …
Investigation of sparsity metrics for autofocusing in digital holographic microscopy
X Fan, JJ Healy, BM Hennelly - Optical Engineering, 2017 - spiedigitallibrary.org
Digital holographic microscopy (DHM) is an optoelectronic technique that is made up of two
parts:(i) the recording of the interference pattern of the diffraction pattern of an object and a …
parts:(i) the recording of the interference pattern of the diffraction pattern of an object and a …
Extension of refocus depth range in digital holographic microscopy
M Tang, ZY Tang, X Qiao, KQ Lang, Y Sun… - Applied Optics, 2020 - opg.optica.org
Digital holographic microscopy (DHM) suffers from a limited refocus depth range due to the
employed microscope objective. The relationship between the refocus depth range of the …
employed microscope objective. The relationship between the refocus depth range of the …
Focus plane detection criteria in digital holography microscopy by amplitude analysis
F Dubois, C Schockaert, N Callens… - Optics Express, 2006 - opg.optica.org
We propose and test a focus plane determination method that computes the digital refocus
distance of an object investigated by digital holographic microscopy working in transmission …
distance of an object investigated by digital holographic microscopy working in transmission …
Auto-focusing in digital holographic microscopy using differential cosine score
Z Zhong, D Li, Q Li - Journal of Physics: Conference Series, 2023 - iopscience.iop.org
Accurately estimating the reconstruction distance of samples is very important for digital
holographic microscopy, various auto-focusing algorithms have been proposed. These …
holographic microscopy, various auto-focusing algorithms have been proposed. These …
Extended depth-of-focus by digital holographic microscopy
T Colomb, N Pavillon, J Kühn, E Cuche… - Optics letters, 2010 - opg.optica.org
A recurrent problem in microscopy is the finite depth-of-focus linked to the NA of microscope
objectives. Digital holographic microscopy (DHM) has the unique feature of being able to …
objectives. Digital holographic microscopy (DHM) has the unique feature of being able to …
Dependency and precision of the refocusing criterion based on amplitude analysis in digital holographic microscopy
A El Mallahi, F Dubois - Optics express, 2011 - opg.optica.org
We analyze the dependency and the accuracy of the refocusing criterion based on the
integrated modulus amplitude in the case of amplitude object. Analytical dependencies on …
integrated modulus amplitude in the case of amplitude object. Analytical dependencies on …