Results 41 to 50 of about 118,056 (222)

The Amazon River‐Breeze Circulation Limits Detection of Aerosol‐Cloud Interactions in Warm Clouds

open access: yesAGU Advances, Volume 7, Issue 2, April 2026.
Abstract Increased aerosol concentrations can brighten low‐level clouds and extend their lifetimes, but aerosol–cloud interactions (ACI) remain highly uncertain and difficult to quantify. We show that part of this uncertainty is caused by topographical influences on clouds, that is, those arising from land–water contrasts.
Matthew W. Christensen   +7 more
wiley   +1 more source

ICDAR2003 Page Segmentation Competition [PDF]

open access: yes, 2003
There is a significant need to objectively evaluate layout analysis (page segmentation and region classification) methods. This paper describes the Page Segmentation Competition (modus operandi, dataset and evaluation criteria) held in the context of ...
Antonacopoulos, Apostolos   +2 more
core   +3 more sources

Learning Surrogate Models of Document Image Quality Metrics for Automated Document Image Processing

open access: yes, 2017
Computation of document image quality metrics often depends upon the availability of a ground truth image corresponding to the document. This limits the applicability of quality metrics in applications such as hyperparameter optimization of image ...
Hast, Anders   +2 more
core   +1 more source

The PAGE (Page Analysis and Ground-Truth Elements) format framework [PDF]

open access: yes, 2010
There is a plethora of established and proposed document representation formats but none that can adequately support individual stages within an entire sequence of document image analysis methods (from document image enhancement to layout analysis to OCR)
Antonacopoulos, A, Pletschacher, S
core   +2 more sources

Doenças neurológicas em gatos: 155 casos

open access: yesPesquisa Veterinária Brasileira
RESUMO: Foi realizado um estudo epidemiológico retrospectivo de gatos com doenças neurológicas atendidos em um Hospital Veterinário Universitário entre 2001 e 2014.
Rafael O. Chaves   +7 more
doaj   +1 more source

Combined Effects of Evaporation, Hydrogeochemical Processes, and Groundwater Flow on the Evolution of Isotopes and Trace Elements in the Badain Jaran Desert, China

open access: yesWater Resources Research, Volume 62, Issue 4, April 2026.
Abstract Evaporation exerts a dominant influence on groundwater‐lake interactions in arid environments, yet its coupling with redox dynamics and trace element mobilization remains poorly understood. Here, we combine stable isotope (δ2H, δ18O) and trace element concentration analyses of manganese (Mn), arsenic (As), and barium (Ba) to quantify ...
Wei Wang   +5 more
wiley   +1 more source

CRISPR/Cas9‐based white pupae mutant lines in Bactrocera spp. for sterile insect technique applications

open access: yesInsect Science, Volume 33, Issue 2, Page 463-475, April 2026.
Bactrocera fruit flies are significant horticultural pests that cause major economic losses. A “neoclassical approach” incorporating genome editing via CRISPR/Cas9 to develop genetic sexing strains (GSS) could render the sterile insect technique (SIT) against these pests more efficient and cost‐effective.
Chrysanthi Ioannidou   +5 more
wiley   +1 more source

Document Image Binarization with Fully Convolutional Neural Networks

open access: yes, 2017
Binarization of degraded historical manuscript images is an important pre-processing step for many document processing tasks. We formulate binarization as a pixel classification learning task and apply a novel Fully Convolutional Network (FCN ...
Martinez, Tony, Tensmeyer, Chris
core   +1 more source

Aspectos histológicos e morfométricos dos testículos de gatos domésticos (Felis catus) Histological and morphometric evaluation of the testes of cats (Felis catus)

open access: yesPesquisa Veterinária Brasileira, 2009
Nesta pesquisa foram obtidos dados histológicos e morfométricos comparativos sobre os testículos de gatos, pós-orquiectomia, divididos em dois grupos: Grupo 1, gatos com até 1 ano de idade e Grupo 2, animais acima de 1 ano.
Carlos A.O. Silva   +5 more
doaj   +1 more source

Rethinking Termite Methane Emissions: Does the Mound Environment Matter?

open access: yesGlobal Change Biology, Volume 32, Issue 4, April 2026.
Many factors can influence the amount of methane (CH4) that is released from a termite mound. In this study, we tested how the external and internal environment of a termite mound impacts CH4 emission using field measurements of mounds in a Northern Australia savanna.
Abbey R. Yatsko   +7 more
wiley   +1 more source

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