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Wyświetlanie 1-10 z 13
Tytuł:
Signature recognition with a hybrid approach combining modular neural networks and fuzzy logic for response integration
Autorzy:
Beltrán, M.
Melin, P.
Trujillo, L.
Lopez, M.
Tematy:
pattern recognition
neural networks
fuzzy logic
Pokaż więcej
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Powiązania:
https://bibliotekanauki.pl/articles/384541.pdf  Link otwiera się w nowym oknie
Opis:
This paper describes a modular neural network (MNN) with fuzzy integration for the problem of signature recognition. Currently, biometric identification has gained a great deal of research interest within the pattern recognition community. For instance, many attempts have been made in order to automate the process of identifying a person’s handwritten signature; however this problem has proven to be a very difficult task. In this work, we propose a MNN that has three separate modules, each using different image features as input, these are: edges, wavelet coefficients, and the Hough transform matrix. Then, the outputs from each of these modules are combined using a Sugeno fuzzy integral and a fuzzy inference system. The experimental results obtained using a database of 30 individual’s shows that the modular architecture can achieve a very high 99.33% recognition accuracy with a test set of 150 images. Therefore, we conclude that the proposed architecture provides a suitable platform to build a signature recognition system. Furthermore we consider the verification of signatures as false acceptance, false rejection and error recognition of the MNN.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identifying cocoa marketing system (Theobroma Cacao L.) at Utcubamba and Bagua provinces in the region of Amazonas-Peru
Określenie systemu marketingowego kakao (Theobroma Cacao L.) w prowincjach Utcubamba i Bagua w regionie Amazonas-Peru
Autorzy:
Castaneda Chavez, V.M.
Huayama Sopla, P.M.
Rituay Trujillo, P.A.
Tematy:
cocoa
production system
marketing system
Theobroma cacao
producer organization
Utcubamba province
Bagua province
Amazonas region
Peru
Pokaż więcej
Wydawca:
Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
Powiązania:
https://bibliotekanauki.pl/articles/2051591.pdf  Link otwiera się w nowym oknie
Opis:
Subject and purpose of work: The purpose of the study was to identify the marketing system of cocoa (Theobroma cacao L.) traditionally used by producers in the provinces of Utcubamba and Bagua in the Amazonas region in Peru. Materials and methods: The study was conducted by means of the diagnostic survey method, using direct interviews with a specified population that consisted of 90 producers out of a total of 1239 affiliates grouped in 3 agricultural organizations. The study was developed in 2017. Results: The cocoa marketing system in the Amazonas region is related to the traditionally used forms and methods of production as well as to the agents involved in it. Conclusions: The cocoa marketing system identified in the provinces under study is a free market governed by laws of supply and demand with the sale of the product to intermediaries mainly in its fresh state and as raw material.
Przedmiot i cel pracy: Przedmiotem i celem pracy było określenie systemu marketingowego kakao (Theobroma cacao L.) tradycyjnie stosowanego przez producentów w prowincjach Utcubamba i Bagua w regionie Amazonas w Peru. Materiały i metody: Badanie przeprowadzono metodą ankiety diagnostycznej, wykorzystując bezpośrednie wywiady z określoną liczebnie populacją, która wynosiła dokładnie 90 producentów spośród 1239 podmiotów stowarzyszonych w 3 organizacjach rolniczych. Badanie zostało opracowane w 2017 roku. Wyniki: System marketingowy kakao w regionie Amazonas jest związany z tradycyjnie stosowanymi formami i metodami produkcji oraz z podmiotami, które w nich uczestniczą. Wnioski: System marketingowy kakao zidentyfikowany w badanych prowincjach jest wolnym rynkiem regulowanym przez prawa popytu i podaży, gdzie produkt jest sprzedawany pośrednikom głównie w stanie nieprzetworzonym i jako surowiec.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A morganucodontan mammalia form from the Upper Jurassic Morrison Formation, Utah, USA
Autorzy:
Davis, Brian M.
Jäger, Kai R.K.
Rougier, Guillermo W.
Trujillo, Kelli
Chamberlain, Kevin
Tematy:
Mammalia
Morganucodonta
dentition
Jurassic
Morrison Formation
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Powiązania:
https://bibliotekanauki.pl/articles/2216314.pdf  Link otwiera się w nowym oknie
Opis:
We describe two skull fragments of a new morganucodontan from the Cisco Mammal Quarry (Upper Jurassic Morrison Formation), preserving portions of the palate and snout in excellent 3D detail as well as the complete upper postcanine dentition. Morganucodontans are best known by isolated elements and relatively complete skulls of several species of Morganucodon from the Lower Jurassic of Wales and China; this group is fundamental to our understanding of the early evolution of mammals. Cifellilestes ciscoensis gen. et sp. nov. possesses derived features of the snout paired with plesiomorphic construction of the molars; the distal premolars are complex and there is an unusually low count (two) of strongly imbricated molars. This character combination expands craniodental variation for the group. We sampled mudstone from the Cisco Mammal Quarry for ash-fall zircon analysis and obtained a date of 151.50 ± 0.28 Ma. This dates the locality to the earliest Tithonian and slightly younger than other major dated mammalbearing localities in the Morrison Formation. Cifellilestes represents one of the youngest members of this group and extends the record of morganucodontans in North America by more than 30 Ma. Morganucodontans are a rare component of Late Jurassic faunas but display surprising dental diversity through variations in a tooth count and cusp morphology of a deeply conserved, generalized mammalian tooth pattern, which was fully established in brasilodontid (non-mammalian) ancestors at least 80 my prior.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of error in the performance of power corrected ophthalmic lenses
Autorzy:
Trujillo-Schiaffino, G
Salas-Peimbert, D P
Anguiano-Morales, M
Malacara-Doblado, D
Vega-Pineda, J
Tematy:
ophthalmic lenses
refractive correction error
Hartmann test
Pokaż więcej
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:
https://bibliotekanauki.pl/articles/173334.pdf  Link otwiera się w nowym oknie
Opis:
In this work, we describe a new method for assessing the refractive correction error in power corrected ophthalmic lenses. The ideal power distribution map corresponding to the lens design to be measured is initially obtained. Then, using some known techniques, the real power distribution map of the lens under test is obtained. Finally, the difference between the two distributions is computed, obtaining a distribution map of the refractive correction error of the lens under analysis. In the paper, we describe the implementation of the proposed method using the Hartmann test to analyze a corrected power ophthalmic lens. The technique is analyzed, and its effects on measurement resolution discussed. This method can be useful to verify the designing errors in the lab or to verify manufacturing errors of ophthalmic lenses during mass production.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An exact approach for radius of curvature measurement in a calibration test sphere
Autorzy:
Jalife-Chavira, Jaime M.
Trujillo-Schiaffino, Gerardo
Mendoza-Villegas, Paloma G.
Salas-Peimbert, Didia P.
Anguiano-Morales, Marcelino
Corral-Martínez, Luis F.
Zendejas-Hernández, Edgar
Tematy:
keratometry
radius of curvature
diopter
cosine fringe pattern
film
Pokaż więcej
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:
https://bibliotekanauki.pl/articles/2086760.pdf  Link otwiera się w nowym oknie
Opis:
In this paper we present a technique to measure the radius of curvature of a test sphere based on the relation between acquired images of a circular cosine fringe pattern and size of virtual image formed on the calibration test surface. Radius of curvature is calculated with the exact equation proposed, using the parameters of the optical setup. Fringe pattern evaluation was performed by locating extrema indices. The mathematical formulation as well as the experimental setup and results are presented. After applying a linear fit algorithm to the data as a method of compensation, obtained results show an error within the tolerance established by the ISO 10343 specifications.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
What makes a theory of consciousness unscientific?
Autorzy:
Seitz, Aaron R.
Rademaker, Rosanne L.
Bengio, Yoshua
Kwok, Sze Chai
Garfinkel, Sarah
Wierzchoń, Michał
Solovey, Guillermo
Charest, Ian
Stein, Timo
Pereplyotchik, David
Schmitz, Michael
Heyes, Cecilia
Frith, Chris D.
Schiller, Daniela
Bisley, James W.
Spiers, Hugo
Kording, Konrad
Carruthers, Peter
Cherkaoui, Mouslim
Odegaard, Brian
Owen, Adrian M.
Carmel, David
Doerig, Adrien
Hassin, Ran R.
Mok, Robert M.
Hsieh, Po-Jang
Ringach, Dario L.
Martinez-Trujillo, Julio
Silvanto, Juha
Bekinschtein, Tristan A.
Or, Charles C.-F.
Shepherd, Joshua
Cheng, Tony
Sebastián, Miguel Ángel
Mobbs, Dean
Carrasco, Marisa
Dennett, Daniel C.
Taschereau-Dumouchel, Vincent
Herzog, Michael H.
Metcalfe, Janet
Tse, Peter U.
Pestilli, Franco
Browning, Jacob
Knapen, Tomas
Frankish, Keith
Slagter, Heleen A.
De Brigard, Felipe
Fleming, Stephen M.
Cumming, Sam
Lieberman, Matthew D.
Schwarzkopf, D. Samuel
Kvamme, Timo L.
Hanson, Jake R.
LeDoux, Joseph
Dijkstra, Nadine
Tong, Frank
Baxter, Mark G.
Buonomano, Dean
Smith, Barry C.
Phillips, Ian
Arnold, Derek H.
Mylopoulos, Myrto
Vibell, Jonas
Cushing, Cody A.
Goodale, Melvyn A.
Miller, Kenneth D.
de Gelder, Beatrice
Kentridge, Robert
Soto, David
Cohen, Michael A.
Carter, Olivia
Corlett, Philip R.
Liu, Ka-Yuet
Watzl, Sebastian
Schurger, Aaron
Weisberg, Josh
Rees, Geraint
Morales, Jorge
Libedinsky, Camilo
Christoff, Kalina
Gottlieb, Jacqueline
Lee, Alan L. F.
Lanfranco, Renzo C.
Webb, Taylor
Konstantinou, Nikos
Machizawa, Maro G.
Klincewicz, Michał
Snyder, Joel S.
Hung, Shao-Min
Scott, Ryan B.
Yan, Karen
Chang, Dorita H. F.
Rahnev, Dobromir
Dux, Paul E.
Roskies, Adina
Wheatley, Thalia
Mitra, Partha P.
Peters, Megan A. K.
Cleeremans, Axel
Lau, Hakwan
Michel, Matthias
Lin, Ying-Tung
Wokke, Martijn E.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
Extreme weather event attribution predicts climate policy support across the world
Autorzy:
Brambila, Claudia González
Dohle, Simone
Lindkvist, Amanda M.
Islam, Mohammad Tarikul
Abdulsalam, Suleiman
Linden, Sander van der
Bardhan, Ronita
Späth, Leonhard
Pisareva, Dinara
Kotcher, John
Wojcik, Adrian Dominik
Adinugroho, Indro
Namutebi, Jennifer
Pavlov, Yuri G.
Schulreich, Stefan
Enke, Benjamin
Aldoh, Alaa
Czarnek, Gabriela
Harari, Dana
Elsherif, Mahmoud
Milfont, Taciano L.
Callaghan, Timothy
Motta, Matt
Fan, Xiaoli
Lucas, Chloe H.
Parzuchowski, Michal
Kropf, Chahan M.
Tokrri, Renata
Lopez-Villavicencio, Carlos
Dzimińska, Malgorzata
Bouguettaya, Ayoub
Fischer, Helen
Ross, Robert M.
Ecker, Ullrich K. H.
Kavassalis, Sarah
Hensel, Przemysław
Garrido-Vásquez, Patricia
Légal, Jean-Baptiste
Brick, Cameron
Schäfer, Mike S.
Alfano, Mark
Krouwel, André
Bret, Amélie
Röer, Jan Philipp
Kuppens, Toon
Ortega, Alberto López
Lou, Nigel Mantou
König, Laura M.
Faisal, Zaki
Farhart, Christina
Rauchfleisch, Adrian
Xie, Jinliang
Bati, Keagile
Oreskes, Naomi
Kitsa, Mariana
Leviston, Zoe
Muršič, Zarja
Jungkunz, Sebastian
Six, Johan
Bhui, Rahul
Bilewicz, Michal
Lits, Grégoire
Lazić, Aleksandra
Kerr, John R.
Syropoulos, Stylianos
Pärnamets, Philip
Stanley, Samantha K.
Santos, Osvaldo
Maibach, Edward W.
Komyaginskaya, Elizaveta
Krishnan, Pradeep
Aziz, Nor Izzatina Abdul
Guenther, Lars
Marques, Mathew D.
Valdez, André Calero
Mitkidis, Panagiotis
Pypno-Blajda, Katarzyna
Lecuona, Oscar
Douglas, Karen M.
Cologna, Viktoria
Debnath, Ramit
Azevedo, Flavio
Kojan, Lilian
Fage-Butler, Antoinette
Ali, Innocent Mbulli
Feuerriegel, Stefan
Paruzel-Czachura, Mariola
Tsakiris, Manos
Di Stefano, Lucia
Buchel, Ondrej
Cases, Rizza Kaye
Strahm, Noel
Dubrov, Dmitrii
Ferreira, Marinus
Klein, Olivier
Tyrala, Michael
Mede, Niels G.
Nwogwugwu, Daniel
Alvarez, Pablo Cabrera
Haarstad, Håvard
Räsänen, Pekka
Noord, Jochem van
Grigoryev, Dmitry
Kosachenko, Alexandra
Roche, Joseph
Weninger, Tim
Bresch, David N.
Rebitschek, Felix G.
Kranz, Laura S.
Westfal, Mareike
Alsobay, Mohammed
Pennington, Charlotte R.
Berger, Sebastian
Goddard, Ellen
Freundt, Jana
Xia, Ziqian
Dries, Charlotte
Koh, Hoyoun
Toko, Abdoul Kafid
Todorova, Boryana
Alvarez, R. Michael
Levy, Neil
Szumowska, Ewa
Delouvée, Sylvain
Pearson, Adam R.
Białobrzeska, Olga
Koren, Kochav
Teran-Escobar, Claudia
Breeden, Katherine
Gallyamova, Albina
Uzoma, Ijeoma Chinwe
Koivula, Aki
Otterbring, Tobias
Genschow, Olivier
Ansah, Patrick
Shamsi, Nurulaini Abu
Reynolds, James P.
Kristiansen, Silje
Besley, John
Aczel, Balazs
Hernández-Mondragón, Alma Cristal
Spruyt, Bram
Newman, Eryn J.
Pštross, Karolína
Cagnoli, Federica
Warwas, Izabela
Gloor, Jamie L.
Bertsou, Eri
Jones, Charlotte A.
Solak, Nevin
Diaz-Catalàn, Celia
Jin, Tao
Hurley, Mairéad
Feldhaus, Christoph
Pronizius, Ekaterina
Monge-Rodríguez, Fredy
Rábová, Tereza Klabíková
Shuckburgh, Emily
Jurgiel, Dominika
Joubert, Marina
Rêgo, Gabriel
Quiñones, Diwa Malaya A.
Apriliawati, Denisa
Elbaek, Christian T.
Herziger, Atar
Facciani, Matthew
Friese, Malte
Huang, Guanxiong
Löschel, Andreas
Ploszaj, Adam
Alabrese, Eleonora
Pantazi, Myrto
Mihelj, Sabina
McKay, Ryan
Miller, Joanne M.
Ntui, Ntui-Njock Vincent
Tanaka, Mikihito
Meiler, Simona
Lüthi, Samuel
Çoksan, Sami
Ghasemi, Omid
Gkinopoulos, Theofilos
Gordon, Hazel
Szaszi, Barnabas
Saiani, Paolo Parra
Lamm, Claus
Santos, Ricardo R.
Doell, Kimberly C.
Vilares, Iris
Nitschke, Jonas P.
Lantian, Anthony
Mayer, Sabrina J.
Petrović, Marija B.
Toribio-Florez, Daniel
Vlasceanu, Madalina
Bubnoff, Andreas von
Garrido Vásquez, Mauricio E.
Ruin, Isabelle
Lunz-Trujillo, Kristin
Huff, Markus
Ibadildin, Nygmet
Petkanopoulou, Katerina
Amollo, Tabitha
Ostermann, Thomas
Zenklusen, Amber
Bajrami, Ani
Koppel, Lina
Uluğ, Özden Melis
Zegler-Poleska, Ewa
Opis:
Extreme weather events are becoming more frequent and intense due to climate change. Yet, little is known about the relationship between exposure to extreme events, subjective attribution of these events to climate change, and climate policy support, especially in the Global South. Combining large-scale natural and social science data from 68 countries (N = 71,922), we develop a measure of exposed population to extreme weather events and investigate whether exposure to extreme weather and subjective attribution of extreme weather to climate change predict climate policy support. We find that most people support climate policies and link extreme weather events to climate change. Subjective attribution of extreme weather was positively associated with policy support for five widely discussed climate policies. However, exposure to most types of extreme weather event did not predict policy support. Overall, these results suggest that subjective attribution could facilitate climate policy support.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Wyświetlanie 1-10 z 13

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