نتایج جستجو برای: wsi

تعداد نتایج: 760  

2013
Sara V. Rodríguez Tina Birk Jensen Lluis M. Plà Anders Ringgaard Kristensen

25 Even though several sow replacement models have been published, integrating 26 information about the health status of sows has not yet been handled satisfactorily. This 27 paper presents a framework for integrating a Weak Sow Index (WSI) into an existing 28 sow replacement model. The WSI, which is developed as part of this study, quantifies 29 various clinical signs into one numerical value ...

2014
David Ameisen Christophe Deroulers Valérie Perrier Fatiha Bouhidel Maxime Battistella Luc Legrès Anne Janin Philippe Bertheau Jean-Baptiste Yunès

BACKGROUND Since microscopic slides can now be automatically digitized and integrated in the clinical workflow, quality assessment of Whole Slide Images (WSI) has become a crucial issue. We present a no-reference quality assessment method that has been thoroughly tested since 2010 and is under implementation in multiple sites, both public university-hospitals and private entities. It is part of...

2013
Satyabrata Behera Upasana Gaikwad Ramakrishna Bairi Ganesh Ramakrishnan

The aim of this paper is to perform Word Sense induction (WSI); which clusters web search results and produces a diversified list of search results. It describes the WSI system developed for Task 11 of SemEval 2013. This paper implements the idea of monotone submodular function optimization using greedy algorithm.

2010
Lisha Wang Yanzhao Dou Xiaoling Sun Hongfei Lin

This paper details our experiments carried out at Word Sense Induction task. For the foreign language (especially English), there have been many studies of word sense induction (WSI), and the approaches and the techniques are more and more mature. However, the study of Chinese WSI is just getting started, and there has not been a better way to solve the problems encountered. WSI can be divided ...

2009
Suresh Manandhar Ioannis P. Klapaftis

This paper presents the evaluation setting for the SemEval-2010 Word Sense Induction (WSI) task. The setting of the SemEval-2007 WSI task consists of two evaluation schemes, i.e. unsupervised evaluation and supervised evaluation. The first one evaluates WSI methods in a similar fashion to Information Retrieval exercises using F-Score. However, F-Score suffers from the matching problem which doe...

2014
Liron Pantanowitz

Validation of whole slide imaging (WSI) is an important process for clinical practice. From a vendor perspective, validation seeks to achieve premarket approval from a regulatory agency in order for them to sell their WSI devices for an intended use (e.g., primary diagnosis). Academic validations are different, as these research studies typically result in publications reporting results of a se...

2011
Janina Słodkowska Tomasz Markiewicz Bartłomiej Grala Wojciech Kozłowski Wielisław Papierz Katarzyna Pleskacz Piotr Murawski

The rationale for choosing a remote quantitative method supporting a diagnostic decision requires some empirical studies and knowledge on scenarios including valid telepathology standards. The tumours of the central nervous system [CNS] are graded on the base of the morphological features and the Ki-67 labelling Index [Ki-67 LI]. Various methods have been applied for Ki-67 LI estimation. Recent...

Journal: :Optics letters 2017
Jun Liao Yutong Jiang Zichao Bian Bahareh Mahrou Aparna Nambiar Alexander W Magsam Kaikai Guo Shiyao Wang Yong Ku Cho Guoan Zheng

Whole slide imaging (WSI) has recently been cleared for primary diagnosis in the U.S. A critical challenge of WSI is to perform accurate focusing in high speed. Traditional systems create a focus map prior to scanning. For each focus point on the map, a sample needs to be static in the x-y plane, and axial scanning is needed to maximize the contrast. Here we report a novel focus map surveying m...

2012
Yukako Yagi Shigeatsu Yoshioka Hiroshi Kyusojin Maristela Onozato Yoichi Mizutani Kiyoshi Osato Hiroaki Yada Eugene J. Mark Matthew P. Frosch David N. Louis

BACKGROUND One of the goals for a Whole Slide Imaging (WSI) system is implementation in the clinical practice of pathology. One of the unresolved problems in accomplishing this goal is the speed of the entire process, i.e., from viewing the slides through making the final diagnosis. Most users are not satisfied with the correct viewing speeds of available systems. We have evaluated a new WSI vi...

2010
Hua Xu Bing Liu Longhua Qian Guodong Zhou

Recent studies on word sense induction (WSI) mainly concentrate on European languages, Chinese word sense induction is becoming popular as it presents a new challenge to WSI. In this paper, we propose a feature-based approach using the spectral clustering algorithm to this problem. We also compare various clustering algorithms and similarity metrics. Experimental results show that our system ac...

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