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Are the long–short term memory and convolution neural networks really based on biological systems?
David Balderas Silva,Pedro Ponce Cruz,Arturo Molina Gutierrez 한국통신학회 2018 ICT Express Vol.4 No.2
In general, it is not a simple task to predict sequences or classify images, and it is even more problematic when both are combined. Nevertheless, biological systems can easily predict sequences and are good at image recognition. For these reasons Long–Short Term Memory and Convolutional Neural Networks were created and were based on the memory and visual systems. These algorithms have shown great properties and shown certain resemblance, yet they are still not the same as their biological counterpart. This article reviews the biological bases and compares them.
David A. Ferreira,Rita Cruz,Carlos Venâncio,Ana I. Faustino-Rocha,Aura Silva,João R. Mesquita,Ana L. Ortiz,Helena Vala 대한수의학회 2018 Journal of Veterinary Science Vol.19 No.5
This work aimed to evaluate the effects on renal tissue integrity after hydroxyethyl starch (HES) 130/0.4 and Ringer’s lactate (RL) administration in pigs under general anesthesia after acute bleeding. A total of 30 mL/kg of blood were passively removed from the femoral artery in two groups of Large White pigs, under total intravenous anesthesia with propofol and remifentanil. After bleeding, Group 1 (n = 11) received RL solution (25 mL/kg) and Group 2 (n = 11) received HES 130/0.4 solution (20 mL/kg). Additionally, Group 3 (n = 6) was not submitted to bleeding or volume replacement. Pigs were euthanized and kidneys were processed for histopathological and immunohistochemical analyses. Minimal to moderate glomerular, tubular, and interstitial changes, as well as papillary necrosis, were observed in all experimental groups. Pre-apoptosis and apoptosis indicators were higher in pigs that received HES 130/0.4, indicating a higher renal insult. Both HES 130/0.4 and RL administration may cause renal injury, although renal injury may be more significant in pigs receiving HES 13/0.4. Results also suggest that total intravenous anesthesia with propofol and remifentanil may cause renal injury, and this effect can be dose related.
박현지,( David Cruz ),( Phoenix Tiller ),( Ashutosh Mittal ),( David K. Johnson ),( Hasan Jameel ),( Richard Venditti ),( Sunkyu Park ) 한국공업화학회 2023 한국공업화학회 연구논문 초록집 Vol.2023 No.0
paper sludge, ash, hydrocarbons, sustainable aviation fuel
Pinning Control of Complex Network Synchronization: A Recurrent Neural Network Approach
Edgar N. Sanchez,David I. Rodriguez-Castellanos,Guanrong Chen,Riemann Ruiz-Cruz 제어·로봇·시스템학회 2017 International Journal of Control, Automation, and Vol.15 No.3
Using recurrent high order neural networks for identification, a new scheme for pinning control of complexnetworks with changing unknown coupling strengths is proposed for achieving synchronization. The robustbehavior of the control system is investigated via simulations.
( Constanza Ciriza De Los-rios ),( Fernando Canga Rodriguez-valcarcel ),( David Lora Pablos ),( Javier De La Cruz Bertolo ),( Isabel Castel De Lucas ),( Gregorio Castellano Tortajada ) 대한소화기기능성질환·운동학회 2015 Journal of Neurogastroenterology and Motility (JNM Vol.21 No.3
Background/Aims: The body position can influence esophageal motility data obtained with high-resolution manometry (HRM). To examine whether the body position influences HRM diagnoses in patients with esophageal dysphagia and gastroesophageal reflux disease (GERD). Methods: HRM (Manoscan) was performed in 99 patients in the sitting and supine positions; 49 had dysphagia and 50 had GERD assessed by 24-hour pH monitoring. HRM plots were analyzed according to the Chicago classification. Results: HRM results varied in the final diagnoses of the esophageal body (EB) in patients with dysphagia (P = 0.024), the result being more distal spasm and weak peristalsis while sitting. In patients with GERD, the HRM diagnoses of the lower esophageal sphincter (LES), the esophagogastric junction (EGJ) morphology, and EB varied depending on the position; (P = 0.063, P = 0.017, P = 0.041 respectively). Hypotensive LES, EGJ type III (hiatal hernia), and weak peristalsis were more frequently identified in the sitting position. The reliability (kappa) of the position influencing HRM diagnoses was similar in dysphagia and GERD (LES diagnosis: dysphagia 0.32 [0.14-0.49] and GERD 0.31 [0.10-0.52], P = 0.960; EB diagnosis: dysphagia 0.49 [0.30-0.69] and GERD 0.39 [0.20-0.59], P = 0.480). The reliability in EGJ morphology studies was higher in dysphagia 0.81 (0.68-0.94) than in GERD 0.55 (0.37-0.73), P = 0.020. Conclusions: HRM results varied according to the position in patients with dysphagia and GERD. Weak peristalsis was more frequently diagnosed while sitting in dysphagia and GERD. Hypotensive LES and EGJ type III (hiatal hernia) were also more frequently diagnosed in the sitting position in patients with GERD. (J Neurogastroenterol Motil 2015;21:370-379)
Cíntia De Lorenzo,Caroline P. de Andrade,Verônica S. L. Machado,Matheus V. Bianchi,Veronica M. Rolim,Raquel A. S. Cruz,David Driemeier 대한수의학회 2018 Journal of Veterinary Science Vol.19 No.1
Enterotoxigenic Escherichia coli (ETEC) causes diarrhea in pigs, referred to as colibacillosis. The aim of this study was to optimize multiplex polymerase chain reaction (PCR) and immunohistochemistry (IHC) analyses of paraffin-embedded material to detect pathogenic E. coli strains causing colibacillosis in pigs. Multiplex PCR was optimized for fimbriae (F18, F4, F6, F5, and F41) and toxins (types A and B heat-stable toxins [STaP and STb], heat-labile toxin [LT], and type 2 Shiga toxin [STx2e]), and IHC was optimized for an anti-E. coli polyclonal antibody. Samples (132) from pigs received between 2006 and 2014 with clinical and histopathological diagnoses of colibacillosis were analyzed. E. coli was detected by IHC in 78.7%, and at least one virulence factor gene was detected in 71.2%. Pathogenic strains of ETEC with at least one fimbria and one toxin were detected in 40% of the samples in multiplex PCR. The most frequent virulence types were F18-STaP (7.5%), F18-STaP-STb (5.7%), and F4-STaP (3.8%). A statistically significant association was noted between virulence factors F4, F18, STaP, and STb and positive immunostaining results. Colibacillosis diagnosis through multiplex PCR and IHC of paraffin-embedded tissues is a practical approach, as samples can be fixed and stored for long periods before analysis.