نتایج جستجو برای: false negative

تعداد نتایج: 590238  

Journal: :IEEE Geoscience and Remote Sensing Letters 2022

The existing SSCL of RSI is built based on constructing positive and negative sample pairs. However, due to the richness ground objects complexity contextual semantics, same patches have coexistence imbalance samples, which causing pushing samples far away while away, vice versa. We call this confounding issue (SCI). To solve problem, we propose a False negAtive sampLes aware contraStive lEarni...

Journal: :Journal of clinical microbiology 1984
C J Papasian W R Bartholomew D Amsterdam

A commercial modification of an enzyme immunoassay (EIA) (Gonozyme; Abbott Laboratories, North Chicago, Ill.) for detection of Neisseria gonorrhoeae antigens was compared with conventional culturing. Specimens from males and females were collected at a sexually transmitted disease clinic; additional female specimens were collected at an obstetrics and gynecology clinic. EIA sensitivity and spec...

Journal: :Investigative ophthalmology & visual science 2000
Bengtsson Heijl

PURPOSE To study whether false-negative answers in computerized glaucoma perimetry indicate the patient's ability to perform perimetry or test result reliability. METHODS A retrospective evaluation was performed of visual field test results obtained with a perimetry program (Humphrey 30-2 Sita Standard; Humphrey Instruments, San Leandro, CA) in 70 consecutive patients with unilateral glaucoma...

Journal: :Expert Syst. Appl. 2003
Daejoon Joo Taeho Hong Ingoo Han

This paper investigates the asymmetric costs of false positive and negative errors to enhance the IDS performance. The proposed method utilizes the neural network model to consider the cost ratio of false negative errors to false positive errors. Compared with false positive errors, false negative errors incur a greater loss to organizations which are connected to the systems by networks. This ...

2017
Leonardo Russo Luis Betancourt Gabriel Romero Alí Godoy Laura Bergamo Rafael Delgado Ángela Ruiz Marianna Gutiérrez Eduardo Salas Maria Puzzi

Objective To determine the false-negative rate, sensitivity, and diagnostic accuracy of the frozen section analysis of the sentinel lymph node (SLN) biopsy in early-stage breast cancer compared to the definitive section and to identify the factors that could be associated with the appearance of false-negative cases. Secondarily, to evaluate the pathological results of cases submitted to complet...

Journal: :Journal of the American College of Cardiology 2021

Journal: :Journal of Thoracic Oncology 2021

Identifying false-negative cases is an important quality metric in lung cancer screening, but it has been infrequently and variably reported previous studies. Although as a proportion of all screening participants, are uncommon, such may constitute substantial cancers diagnosed (up to 15%) within program.This article reviews the impact causes tests, including those related radiologic evaluation...

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