نتایج جستجو برای: corrupted data
تعداد نتایج: 2413882 فیلتر نتایج به سال:
BACKGROUND Corrupted gradient directions (GD) in diffusion weighted images may seriously affect reliability of diffusion tensor imaging (DTI)-based comparisons at the group level. In the present study we employed a quality control (QC) algorithm to eliminate corrupted gradient directions from DTI data. We then assessed effects of this procedure on comparisons between Huntington disease (HD) sub...
Real world data is never as perfect as we would like it to be and can often suffer from corruptions that may impact interpretations of the data, models created from the data, and decisions made based on the data. One approach to this problem is to identify and remove records that contain corruptions. Unfortunately, if only certain fields in a record have been corrupted then usable, uncorrupted ...
We present two missing-feature based algorithms that recover noise-corrupted regions of spectrographic representations of speech for noise-robust speech recognition. These algorithms modify the incoming feature vector without any changes to the speech recognition system, in contrast to previously-described approaches. The first approach clusters the feature vectors representing clean speech. Mi...
Aim: The aim of the present study was to determine the seroprevalence of Neospora infection in horses and donkeys in Hamedan province, Western Iran. Materials and Methods: In cross-sectional study, Blood samples (n=220) were collected from 120 horses and 100 donkeys in 2012 year. All sera were screened for Neospora using Neospora modified direct agglutination test (N-MAT). Results: Antibodies t...
Corrupted sensing concerns the problem of recovering a high-dimensional structured signal from collection measurements that are contaminated by unknown corruption and unstructured noise. In case linear measurements, recovery performance different convex programming procedures (e.g., generalized Lasso its variants) is well established in literature. However, practical applications digital proces...
Blood lead levels (BLL) in children are associated with lead in soil and represent a major public health problem; however, there are few reports of lead contamination related to mining waste sites in Mexico. Therefore, we conducted a cross-sectional study in the State of Guerrero to identify the association between proximity of residence to mining site waste and BLL in children. The impact of t...
Background: Blood Exposure Accidents (BEAs) are frequent in healthcare settings and may cause such severe consequences as HIV and Hepatitis B and C infections. The objective of the study was to determine the attitudes and practices of nursing students facing BEAs. Materials and Methods: This was a cross-sectional prospective study conducted from August 16 to 23, 2011 at the “Institut National d...
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