نتایج جستجو برای: time domain analysis tda
تعداد نتایج: 4515597 فیلتر نتایج به سال:
PURPOSE To assess scotopic background adaptation in subjects with a history of preterm birth and retinopathy of prematurity (ROP). Retinopathy of prematurity is known to have long-term effects on rod photoreceptor and rod mediated postreceptor retinal function. METHODS Rod-mediated thresholds for detection of 3° diameter, 50 ms stimuli presented 20° from fixation were measured using a spatial...
Trichosanthes dioica Roxb. (Cucurbitaceae), called pointed gourd in English, is a dioecious climber grown widely in the Indian subcontinent. The present study assessed the influence of treatment of hydroalcoholic extract of Trichosanthes dioica root (TDA) on Ehrlich ascites carcinoma (EAC) in Swiss albino mice with effects on antioxidant systems. Twenty-four hours after intraperitoneal inoculat...
Hypothesis-based weight-of-evidence evaluation of the human carcinogenicity of toluene diisocyanate.
Humans are exposed to toluene diisocyanate (TDI) primarily through inhalation in workplaces where TDI is produced or used. It is classified as a possible human carcinogen, based primarily on increased tumor incidences in rodents treated with TDI by oral gavage. We used the hypothesis-based weight-of-evidence (HBWoE) method to evaluate whether the available data support the hypothesis that TDI i...
BACKGROUNDS/AIMS Surgical resection, such as pancreaticoduodenectomy (PD), is used for treatment of benign periampullary tumors, but high morbidity and mortality resulting from PD can be a huddle. The aim of this study is to suggest a safe and less invasive procedure for treatment of benign periampullary tumors. METHODS From January 2001 to September 2016, 31 patients with ampulla of Vater (A...
One of the most important problems arising in time series analysis is that bifurcation, or change point detection. That is, given a collection over varying parameter, when has structure underlying dynamical system changed? For this task, we turn to field topological data (TDA), which encodes information about shape and data. The idea utilizing tools from TDA for signal processing tasks, known a...
Tropodithietic acid (TDA) is a structurally unique sulfur-containing antibiotic from the Roseobacter clade bacterium Phaeobacter inhibens DSM 17395 and a few other related species. We have synthesised several structural analogues of TDA and used them in bioactivity tests against Staphylococcus aureus and Vibrio anguillarum for a structure-activity relationship (SAR) study, revealing that the su...
In this chapter, we discuss applications of topological data analysis (TDA) to spatial systems. We briefly review a recently proposed level-set construction filtered simplicial complexes, and then examine persistent homology in two cases studies: street networks Shanghai anomalies the spread COVID-19 infections. summarize our results provide an outlook on TDA
Thoracoabdominal aortic aneurysms (TAAA) and extensive thoracic descending aortic aneurysms (TDA) are not accessible through standard endovascular treatment. Fenestrated and branched endograft technology was developed rapidly without widespread application. The aim of this study was to review our open repair (OR) experience of TAAA and TDA. A total of 28 patients who underwent elective OR of TA...
Attention-deficit/hyperactivity disorder (ADHD) is a clinically heterogeneous condition and identification of clinically meaningful subgroups would open up a new window for personalized medicine. Thus, we aimed to identify new clinical phenotypes in children and adolescents with ADHD and to investigate whether neuroimaging findings validate the identified phenotypes. Neuroimaging and clinical d...
In our technology-dependent modern world, it is imperative to monitor the Sun for space weather threats critical infrastructure. Topological data analysis (TDA) a new set of mathematical techniques used in and machine learning. We demonstrate that TDA can robustly detect classify solar surface coronal activity. This technique promising step toward future application predictive modeling.
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