نتایج جستجو برای: marker validation

تعداد نتایج: 301287  

2004
Toni Tamminen Jouko Lampinen

We consider the problem of locating instances of a known object in a novel scene by matching the fiducial features of the object. Our approach to the problem consists of two parts: a model for the appearance of the features and a model for the shape of the object. We then bind these parts together in a Bayesian framework and match the features sequentially, using the information about the locat...

2013
Mariano Bulos María L. Ramos Emiliano Altieri Carlos A. Sala

Sunflower rust, caused by Puccinia helianthi Schw., can result in significant yield losses in cultivated sunflower (Helianthus annuus L. var. macrocarpus Ckll.). HAR6 is a germplasm population resistant to most predominant rust races. The objectives of this study were to map the resistance factor present in HAR6 (R HAR6 ), and to provide and validate molecular tools for the identification of th...

Journal: :Bioinformatics 2005
Lei Xu Aik Choon Tan Daniel Q. Naiman Donald Geman Raimond L. Winslow

MOTIVATION DNA microarray data analysis has been used previously to identify marker genes which discriminate cancer from normal samples. However, due to the limited sample size of each study, there are few common markers among different studies of the same cancer. With the rapid accumulation of microarray data, it is of great interest to integrate inter-study microarray data to increase sample ...

2014
Zahirul I. Talukder Li Gong Brent S. Hulke Venkatramana Pegadaraju Qijian Song Quentin Schultz Lili Qi

A high-resolution genetic map of sunflower was constructed by integrating SNP data from three F2 mapping populations (HA 89/RHA 464, B-line/RHA 464, and CR 29/RHA 468). The consensus map spanned a total length of 1443.84 cM, and consisted of 5,019 SNP markers derived from RAD tag sequencing and 118 publicly available SSR markers distributed in 17 linkage groups, corresponding to the haploid chr...

Journal: :Circulation 2009
Mark A Hlatky Philip Greenland Donna K Arnett Christie M Ballantyne Michael H Criqui Mitchell S V Elkind Alan S Go Frank E Harrell Yuling Hong Barbara V Howard Virginia J Howard Priscilla Y Hsue Christopher M Kramer Joseph P McConnell Sharon-Lise T Normand Christopher J O'Donnell Sidney C Smith Peter W F Wilson

There is increasing interest in utilizing novel markers of cardiovascular disease risk, and consequently, there is a need to assess the value of their use. This scientific statement reviews current concepts of risk evaluation and proposes standards for the critical appraisal of risk assessment methods. An adequate evaluation of a novel risk marker requires a sound research design, a representat...

Journal: :archives of breast cancer 0
ramesh omranipour division of surgical oncology, department of surgery, tehran university of medical sciences, tehran, iran mojgan karbakhsh department of community and preventive medicine, tehran university of medical sciences, tehran, iran athena behforouz department of surgery, tehran university of medical sciences, tehran, iran mohamadreza neishaboury department of surgery, tehran university of medical sciences, tehran, iran habibollah mahmoodzadeh division of surgical oncology, department of surgery, tehran university of medical sciences, tehran, iran khojaste bagheri koma department of surgery, tehran university of medical sciences, tehran, iran

background: the gail model has been widely used for estimation of absolute risk of breast cancer development. the original model and most of the validation studies have been performed among western populations and controversial results have been reported regarding the applicability of this model in asian populations. our aim was to investigate the performance of this model in iranian women. met...

Journal: :Clinical chemistry 2008
Catherine Lofton-Day Fabian Model Theo Devos Reimo Tetzner Juergen Distler Matthias Schuster Xiaoling Song Ralf Lesche Volker Liebenberg Matthias Ebert Bela Molnar Robert Grützmann Christian Pilarsky Andrew Sledziewski

BACKGROUND Sensitive, specific blood-based tests are difficult to develop unless steps are taken to maximize performance characteristics at every stage of marker discovery and development. We describe a sieving strategy for identifying high-performing marker assays that detect colorectal cancer (CRC)-specific methylated DNA in plasma. METHODS We first used restriction enzyme-based discovery m...

Journal: :BMC Genomics 2021

Abstract Background The preferred choice for molecular marker development is identifying existing variation in populations through DNA sequencing. With the genome resources currently available bitter gourd ( Momordica charantia ), it now possible to detect genome-wide insertion-deletion (InDel) polymorphisms among populations, which guides efficient of InDel markers. Results Here, using bioinfo...

2009
Hiroki Nishino

We describe a new method for 2D fiducial tracking. We use region adjacency information together with angles between regions to encode IDs inside fiducials, whereas previous research by Kaltenbrunner and Bencina utilize region adjacency tree. Our method supports a wide ID range and is fast enough to accommodate real-time video. It is also very robust against false positive detection.

Journal: :CoRR 2017
Hui Ding Hao Zhou Shaohua Kevin Zhou Rama Chellappa

Humans focus attention on different face regions when recognizing face attributes. Most existing face attribute classification methods use the whole image as input. Moreover, some of these methods rely on fiducial landmarks to provide defined face parts. In this paper, we propose a cascade network that simultaneously learns to localize face regions specific to attributes and performs attribute ...

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