Results 41 to 50 of about 13,742,146 (298)

Adaptive time-frequency detection and filtering for imaging in heavy clutter [PDF]

open access: yes, 2011
. We introduce an adaptive approach for the detection of a reflector in a strongly scattering medium using a timefrequency representation of the array response matrix followed by a Singular Value Decomposition (SVD).
C. Tsogka   +4 more
core   +3 more sources

Papanicolaou test: realization and knowledge of nursing academics

open access: yesRevista de Epidemiologia e Controle de Infecção, 2019
Background and Objectives: The nurse plays a fundamental role in the accomplishment of the Papanicolau, as well as its health behavior in the face of the examination and other prevention practices. Thus, this study aimed to identify the achievement index
Rulio Glécias Marçal da Silva   +3 more
doaj   +1 more source

Mutual stain conversion between Giemsa and Papanicolaou in cytological images using cycle generative adversarial network

open access: yesHeliyon, 2021
Objective: Papanicolaou and Giemsa stains used in cytology have different characteristics and complementary roles. In this study, we focused on cycle-consistent generative adversarial network (CycleGAN), which is an image translation technique using deep
Atsushi Teramoto   +9 more
doaj   +1 more source

Scaling Limits for Beam Wave Propagation in Atmospheric Turbulence [PDF]

open access: yes, 2003
We prove the convergence of the solutions of the parabolic wave equation to that of the Gaussian white-noise model widely used in the physical literature.
Fannjiang, Albert, Solna, Knut
core   +1 more source

Quantitative estimates on the periodic approximation of the corrector in stochastic homogenization [PDF]

open access: yes, 2014
In the present contribution we establish quantitative results on the periodic approximation of the corrector equation for the stochastic homogenization of linear elliptic equations in divergence form, when the diffusion coefficients satisfy a spectral ...
Gloria, Antoine, Otto, Felix
core   +4 more sources

"Atypical Glandular Cells" on Cervical Cytology: Correlation Between Glandular Cell Component Volume and Histological Follow-Up. [PDF]

open access: yesDiagn Cytopathol
ABSTRACT Background Atypical glandular cells (AGC) in cervical cytology, as defined by the Bethesda System, indicate nuclear atypia beyond reactive changes but without definitive features of malignancy. Although clinically significant because it prompts follow‐up procedures, no quantitative threshold exists for AGC diagnosis.
Terzioglu HG, Aragao A, Barroeta JE.
europepmc   +2 more sources

WOMEN'S CONCEPTION REGARDING PAPANICOLAOU TEST IN MIRANDÓPOLIS-SÃO PAULO

open access: yesRevista de Enfermagem da Universidade Federal de Santa Maria, 2013
http://dx.doi.org/10.5902/217976929647 Aim: To verify the knowledge of women Mirandópolis- São Paulo about on the Pap smear. Method: Field research exploratory descriptive quantitative approach, performed in the city of Mirandópolis - São Paulo, with a ...
Gean Domingos da Silva Souza   +4 more
doaj   +1 more source

Maskless imaging of dense samples using pixel super-resolution based multi-height lensfree on-chip microscopy. [PDF]

open access: yes, 2012
Lensfree in-line holographic microscopy offers sub-micron resolution over a large field-of-view (e.g., ~24 mm2) with a cost-effective and compact design suitable for field use. However, it is limited to relatively low-density samples.
Greenbaum, Alon, Ozcan, Aydogan
core   +1 more source

Sensitivity of fluvial sediment source apportionment to mixing model assumptions: A Bayesian model comparison [PDF]

open access: yes, 2014
Mixing models have become increasingly common tools for apportioning fluvial sediment load to various sediment sources across catchments using a wide variety of Bayesian and frequentist modeling approaches.
Aitchison   +66 more
core   +1 more source

Underestimated Cervical Cancer among Women over 65 Years Old: Is It Time to Revise the Screening Target Age Group? [PDF]

open access: yesRevista Brasileira de Ginecologia e Obstetrícia
Objective To compare cytological and histological results from women > 64 years old who followed the Brazilian national cervical cancer screening guidelines with those who did not.
Renata Alfena Zago   +3 more
doaj   +1 more source

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