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- Berg, H., et al.
(författare)
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Automatic design of pulse coupled neurons for image segmentation
- 2008
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Ingår i: Neurocomputing. - : Elsevier BV. - 0925-2312 .- 1872-8286. ; 71:10-12, s. 1980-1993
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Tidskriftsartikel (refereegranskat)abstract
- Automatic Design of Algorithms through Evolution (ADATE) is a program synthesis system that creates recursive programs in a functional language with automatic invention of recursive help functions and self-adaptive optimization of numerical values. We implement a neuron in a pulse coupled neural network (PCNN) as a recursive function in the ADATE language and then use ADATE to automatically evolve better PCNN neurons for image segmentation. Our technique is generally applicable for automatic improvement of most image processing algorithms and neural computing methods. It may be used either to generally improve a given implementation or to tailor that implementation to a specific problem, which with respect to image segmentation for example can be road following for autonomous vehicles or infrared image segmentation for heat seeking missiles that are to distinguish the heat source of the target from flares.
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- Blad, Karin, 1982-
(författare)
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Styrelseledamöters skyldigheter och ansvar vid risk för obestånd och liknande situationer
- 2023
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Styrelseledamöter har ett antal skyldigheter när ett aktiebolag får ekonomiska svårigheter. Vilka regler som aktualiserar bolagsledningens ansvar beror på om ett aktiebolag har betalningsproblem eller balansproblem. Avseende balansproblemet finns regler om så kallat medansvar för styrelseledamöter och andra företrädare i 25 kap. aktiebolagslagen (2005:551). Syftet med kapitalbristreglerna är att tillse en snabb avveckling av ett kapitalsvagt aktiebolag och därvid skydda borgenärskollektivet. Utöver medansvarsreglerna finns det regler om skadeståndsansvar för bland andra styrelseledamöter för skador de åsamkar bolaget, aktieägare eller andra, exempelvis borgenärer. Vid ett aktiebolags betalningsproblem aktualiseras obeståndsrelaterade ansvarsregler i de fall betalningsoförmågan inte bedöms vara endast tillfällig. Härvid kan särskilt nämnas borgenärsbrotten i 11 kap. brottsbalken (1962:700), vilka förutsätter gäldenärens obestånd eller att påtaglig fara för obestånd föreligger. Därtill aktualiserar den särskilda oförmågan att betala förfallna skatteskulder det skatterättsliga företrädaransvaret i 59 kap. skatteförfarandelagen (2011:1244) (SFL) och för det räcker att betalningsoförmågan är endast tillfällig. Avhandlingen syftet är att systematisera och utvärdera reglerna om skyldigheter och personligt ansvar för styrelseledamöter när bolaget befinner sig i insolvenszonen, det vill säga när det är risk för obestånd eller obestånd är ett faktum. I syftet ingår att undersöka regleringens ändamålsenlighet.
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- Olsson, C .H. B, et al.
(författare)
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Bladmögel hotar persiljeodlingen
- 2008
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Ingår i: Viola, Potatis och Grönsaker. ; 11, s. 18-20
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Tidskriftsartikel (populärvet., debatt m.m.)
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| 7. |
- Olsson, Tina M., et al.
(författare)
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Adapted, Adopted, and Novel Interventions : A Whole-Population Meta-Analytic Replication of Intervention Effects
- 2023
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Ingår i: Research on social work practice. - : Sage Publications. - 1049-7315 .- 1552-7581.
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Tidskriftsartikel (refereegranskat)abstract
- Background: A challenge to implementation is management of the adaptation-fidelity dilemma or the balance between adopting an intervention with fidelity while assuring fit when transferred between contexts. A prior meta-analysis found that adapted interventions produce larger effects than novel and adopted interventions. This study attempts to replicate and expand previous findings. Methods: Meta-analysis was used to compare effects across a whole-population of Swedish outcome studies. Main and subcategories are explored. Results: The 523 studies included adapted (22%), adopted (33%), and novel (45%) interventions. The largest effect was found for adapted followed by novel and adopted interventions. Interventions in the mental health setting showed the highest effects, followed by somatic healthcare and social services. Conclusions: These results replicate and expand earlier findings. Results were stable across settings with the exception of social services. Consistent with a growing body of evidence results suggest that context is important when transferring interventions across settings.
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- Puglisi, I., et al.
(författare)
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Two previously unknown Phytophthora species associated with brown rot of Pomelo (Citrus grandis) fruits in Vietnam
- 2017
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Ingår i: Plos One. - : Public Library of Science (PLoS). - 1932-6203. ; 12:2
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Tidskriftsartikel (refereegranskat)abstract
- Two distinct Phytophthora taxa were found to be associated with brown rot of pomelo (Citrus grandis), a new disease of this ancestral Citrus species, in the Vinh Long province, Mekong River Delta area, southern Vietnam. On the basis of morphological characters and using the ITS1-5.8S-ITS2 region of the rDNA and the cytochrome oxidase subunit 1 (COI) as barcode genes, one of the two taxa was provisionally named as Phytophthora sp. prodigiosa, being closely related to but distinct from P. insolita, a species in Phytophthora Clade 9, while the other one, was closely related to but distinct from the Clade 2 species P. meadii and was informally designated as Phytophthora sp. mekongensis. Isolates of P. sp. prodigiosa and P. sp. mekongensis were also obtained from necrotic fibrous roots of Volkamer lemon (C. volkameriana) rootstocks grafted with 'King' mandarin (Citrus nobilis) and from trees of pomelo, respectively, in other provinces of the Mekong River Delta, indicating a widespread occurrence of both Phytophthora species in this citrus-growing area. Koch's postulates were fulfilled via pathogenicity tests on fruits of various Citrus species, including pomelo, grapefruit (Citrus x paradisi), sweet orange (Citrus x sinensis) and bergamot (Citrus x bergamia) as well as on the rootstock of 2-year-old trees of pomelo and sweet orange on 'Carrizo' citrange (C. sinensis 'Washington Navel' x Poncirus trifoliata). This is the first report of a Phytophthora species from Clade 2 other than P. citricola and P. citrophthora as causal agent of fruit brown rot of Citrus worldwide and the first report of P. insolita complex in Vietnam. Results indicate that likely Vietnam is still an unexplored reservoir of Phytophthora diversity.
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- Tri, M. V., et al.
(författare)
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Decline of jackfruit (Artocarpus heterophyllus) incited by Phytophthora palmivora in Vietnam
- 2015
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Ingår i: Phytopathologia Mediterranea. - 0031-9465 .- 1593-2095. ; 54:2, s. 275-280
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Tidskriftsartikel (refereegranskat)abstract
- A new disease of jackfruit (Artocarpus heterophyllus Lam.) was observed in the south-eastern region of South Vietnam. Symptoms included root rot, cankers and gummosis of trunks, chlorosis, wilt, blight of leaves, defoliation, fruit brown rot, and tree death. The disease was found in 10% of surveyed farms with an incidence varying from 2% to nearly 60% of the trees. A Phytophthora species, identified as P. palmivora (Butler) Butler, using the ITS1-5.8S-ITS2 region of the rDNA as a barcode gene and morphological and cultural features, was consistently isolated from symptomatic roots, fruits, trunk cankers and leaves. Koch's postulates were fulfilled using pathogenicity tests on seedlings, leaves and detached fruits of jackfruit. To our knowledge, this is the first report of P. palmivora on jackfruit in Vietnam.
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