Zobrazeno 1 - 10
of 37
pro vyhledávání: '"W. D. Souza"'
Publikováno v:
Boletim de Indústria Animal, Vol 74, Iss 1, Pp 1-8 (2017)
Nitrogen fertilization of deferred pastures increases the production of forage that will be used in winter, which benefits cattle farmers. The objective of this study was to evaluate the forage accumulation and canopy structure of Brachiaria brizanth
Externí odkaz:
https://doaj.org/article/3770b09eef6e48e7a8b0a80ce8e4442d
Autor:
Lucas Coelho Alves, Manoel Eduardo Rozalino Santos, R. M. Carvalho, P. H. M. Rodrigues, A. B. Ávila, W. D. Souza
Publikováno v:
Boletim de Indústria Animal. 74:1-8
Nitrogen fertilization of deferred pastures increases the production of forage that will be used in winter, which benefits cattle farmers. The objective of this study was to evaluate the forage accumulation and canopy structure of Brachiaria brizanth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c19a063dc785aa617b012c692fb7b02
https://doi.org/10.17523/bia.v74n1p1
https://doi.org/10.17523/bia.v74n1p1
Akademický článek
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Publikováno v:
Medical Physics. 41:152-153
Purpose: To study the influence of different regions of interest (ROI) on tumor segmentation in PET. Methods: The experiments were conducted on a cylindrical phantom. Six spheres with different volumes (0.5ml, 1ml, 6ml, 12ml, 16ml and 20 ml) were pla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70388648853b0d652a18a0ce8fd9bafd
https://doi.org/10.1118/1.4888046
https://doi.org/10.1118/1.4888046
Publikováno v:
Medical Physics. 41:104-105
Purpose: To implement a new method that integrates deconvolution with segmentation under the variational framework for PET tumor delineation. Methods: Deconvolution and segmentation are both challenging problems in image processing. The partial volum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a3631bbb90ff8eb547429798ac2cbff
https://doi.org/10.1118/1.4887844
https://doi.org/10.1118/1.4887844
Publikováno v:
Medical Physics. 40:353-354
Purpose: To develop and evaluate a population based planning scheme for disease site specific IMRT treatment planning. Methods: A database of previously treated locally advanced head and neck patients from our institution was retrospectively used for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2f3683e9be5abe9b735c5f2cc08d4d8
https://doi.org/10.1118/1.4815070
https://doi.org/10.1118/1.4815070
Publikováno v:
Medical Physics. 38:3606-3607
Purpose: To introduce a novel, integrated tumor tracking and dynamic robotic couch‐based target motion compensationsystem with a conventional linear accelerator and to evaluate system accuracy. Methods: We have developed an integrated real‐time t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::076ce22308cf84f4e6af9d1a51888aec
https://doi.org/10.1118/1.3612465
https://doi.org/10.1118/1.3612465
Publikováno v:
Medical Physics. 41:524-524
Purpose: To evaluate the feasibility of directly tracking the displacement of lung tumors in MRI using navigator echo pulses, and to compare the navigator-derived tumor positions with manually-identified tumor positions. Methods: Twelve patients with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::328c3c5846d9b643823601ac47a3219f
https://doi.org/10.1118/1.4889504
https://doi.org/10.1118/1.4889504
Publikováno v:
Medical Physics. 41:200-200
Purpose: To study the feasibility of individually optimized contrastenhancement (CE) 4D-CT for pancreatic adenocarcinoma (PDA) in radiotherapy simulation. To evaluate the image quality and contrast enhancement of tumor in the CE 4D-CT, compared to th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::409b7d607e6bf3c60e318580e0a5c01c
https://doi.org/10.1118/1.4888240
https://doi.org/10.1118/1.4888240
Publikováno v:
Medical Physics. 41:104-104
Purpose: To design a reliable method to determine the optimal parameter in the adaptive region-growing (ARG) algorithm for tumor segmentation in PET. Methods: The ARG uses an adaptive similarity criterion m - fσ ≤ I_PET ≤ m + fσ, so that a neig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::baeefd14d07ff4fe5b7baa6d057ba98b
https://doi.org/10.1118/1.4887842
https://doi.org/10.1118/1.4887842