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تعداد نتایج: 1987 فیلتر نتایج به سال:
We propose Deep Estimators of Features (DEFs), a learning-based framework for predicting sharp geometric features in sampled 3D shapes. Differently from existing data-driven methods, which reduce this problem to feature classification, we regress scalar field representing the distance point samples closest line on local patches. Our approach is first that scales massive clouds by fusing distanc...
The study of visual memory is typically concerned with an image’s content: How well, and what precision, we can recall which objects, people, or features have seen in the past. But images also vary their quality: same object scene may appear image that sharp highly resolved, it blurry faded. do remember those properties? Here six experiments demonstrate a new phenomenon “vividness extension”: t...
Purpose This study investigated the anterior ocular anatomic origin of high-order aberration (HOA) components using optical coherence tomography and a Shack-Hartmann wavefront sensor. Methods A customized system was built to simultaneously capture images of ocular wavefront aberrations and anterior ocular biometry. Relaxed, 2-diopter (D) and 4-D accommodative states were repeatedly measured i...
nloaded ticular germ cell tumors (TGCT) originate from germ cells. The 129-Ter and M19 (129.MOLF-Chr19 mic) mouse strains have extremely high incidences of TGCTs. We found that the expression levels of coded splicing factor 1 (SF1) can modulate the incidence of TGCTs. We generated mice with inactivated null mice (Sf1−/−) died before birth. Mice with one intact allele of Sf1 (Sf1+/−) were viable...
PURPOSE The aims of this research were to determine the epidemiological profile of dental caries in 3- and 4-year-old preschool children living in Bogotá, Colombia, and to compare two different caries indices--the standard def and Nyvad's new caries diagnostic criteria. METHODS The children were screened by two calibrated examiners who first brushed the children's teeth and air dried them for...
OBJECTIVE Lecithin:cholesterol acyltransferase deficiency (LCAT-def) is characterized by low levels of high-density lipoprotein (HDL) and low-density lipoprotein (LDL) and the accumulation of lipoprotein-X (LpX). Despite the low HDL, atherosclerosis is uncommon in LCAT-def. The decreased LDL would be a possible explanation but the underlying mechanism is not clear. In addition, the mechanism(s)...
The purpose of this paper is to present an evaluation different types cement and the incidence Delayed Ettringite Formation (DEF) through mortar composites cast in laboratory exposed a high curing temperature over 12-month study period. DEF represents one Internal Sulfate Attacks (ISA) related expansive chemical reaction that occurs inside concrete involving sulfates from cement. Experiments in...
We also adopt the following additional notations: • rst is a function de ned on non-empty lists, such that rst(a :: l′) def. a for all a, l′. • last is a function de ned on non-empty lists, computing their last elements: last(a :: nil) def. a and last(a :: b :: l′) def. last(b :: l′) for all a, b, l′. • length(l) is the length of a list l: length(nil) def. 0 and length(a :: l′) def. 1 + length(...
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