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Assisted descriptor selection based on visual comparative data analysis

by Sebastian Bremm, Tatiana Von L, Jürgen Bernard, Tobias Schreck, Technische Universität Darmstadt - Proceedings of Eurographics / IEEE-VGTC Symposium on Visualization , 2011
"... Exploration and selection of data descriptors representing objects using a set of features are important components in many data analysis tasks. Usually, for a given dataset, an optimal data description does not exist, as the suitable data representation is strongly use case dependent. Many solution ..."
Abstract - Cited by 8 (5 self) - Add to MetaCart
to the data analysis process. As finding of suitable data description consists of several steps, we support the user with guidance. Our system combines automatic data analysis with interactive visualizations. By this, the system pro-vides a recommendation for suitable data descriptor selections. It supports

DESCRIPTORS

by Mayme Rudolph, Education-assistance Programs
"... ABSTRACT-A study compaied the tuition-aid programs of the Department of Energy (DOE) contractors with U.S. private industry education-assistance programs. In order to complete their comparative analysis, researchers mailed questionnaires to 51 DOE contractors. Particular emphasis was placed on requi ..."
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ABSTRACT-A study compaied the tuition-aid programs of the Department of Energy (DOE) contractors with U.S. private industry education-assistance programs. In order to complete their comparative analysis, researchers mailed questionnaires to 51 DOE contractors. Particular emphasis was placed

DESCRIPTORS *Comparative Analysis, Comparative Statistics,

by Culturally Disadvantaged, Disadvantaged Youth , 1971
"... This research review deals with student studies that focus on comparative and remedial populations. The most popular subject for comparative study is the transfer student vs. the non-transfer student. Other studies involve selection of vocational/technical programs, initial or deferred decisions reg ..."
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This research review deals with student studies that focus on comparative and remedial populations. The most popular subject for comparative study is the transfer student vs. the non-transfer student. Other studies involve selection of vocational/technical programs, initial or deferred decisions

BDRS PRICE DESCRIPTOR,

by unknown authors
"... This report focuses on the evidence about the health.consequences of smoking for women, and is intended to serve.the public health and medical communities as 'a unified source of existing scientific research. The major issues about tobacco use and women's health are examined, including tre ..."
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behaviors, are also docudented. Adhitionally, recent data are enumerated to indicate a trend of,decreasing tobacco usage among women in response to the warnings of the gavernMent, voluntary agencie, and physicrins. (Author /NRB)' DOCUMENT RESUME cc 015 465

A critical role for the right fronto-insular cortex in switching between central-executive and default-mode networks.

by Devarajan Sridharan , † ‡ , Daniel J Levitin , Vinod Menon - Proc Natl Acad Sci USA , 2008
"... Cognitively demanding tasks that evoke activation in the brain's central-executive network (CEN) have been consistently shown to evoke decreased activation (deactivation) in the default-mode network (DMN). The neural mechanisms underlying this switch between activation and deactivation of larg ..."
Abstract - Cited by 178 (1 self) - Add to MetaCart
causality analysis, we show that the rFIC-ACC network, and the rFIC, in particular, plays a critical and causal role in switching between the CEN and the DMN. We replicated this causal connectivity pattern in two additional experiments: (i) a visual attention ''oddball'' task and (ii) a

Analysis of the Data Quality of Audio Descriptors of environmental Sounds

by Dalibor Mitrovic, Horst Eidenberger - In Proceedings of the Fourth Special Workshop of Multimedia Semantics. Chania
"... In this paper we perform statistical data analysis of a broad set of state-of-the-art audio features and low-level MPEG-7 audio descriptors. The investigation comprises data analysis to reveal redundancies between state-of-the-art audio features and MPEG-7 audio descriptors. We introduce a novel mea ..."
Abstract - Cited by 2 (1 self) - Add to MetaCart
measure to evaluate the information content of a descriptor in terms of variance. Statistical data analysis reveals the amount of variance contained in a feature. It enables identification of independent and redundant features. This approach assists in efficient selection of orthogonal features

ASSISTANT FOR MULTI-DIMENSIONAL DATA VISUALIZATION

by Jiae Chang , 2001
"... sional data visualizations. (Under the direction of Christopher G. Healey.) This thesis describes a perceptual visualization assistant (ViA) designed to help users construct perceptually salient visualizations to display high dimensional data stored in a multi-dimensional dataset. ViA focuses on (1) ..."
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sional data visualizations. (Under the direction of Christopher G. Healey.) This thesis describes a perceptual visualization assistant (ViA) designed to help users construct perceptually salient visualizations to display high dimensional data stored in a multi-dimensional dataset. ViA focuses on (1

G.: Neural-net classification for spatio-temporal descriptor based depression analysis

by Jyoti Joshi, Abhinav Dhall, Michael Breakspear, Gordon Parker - In: Proceedings of the International Conference on Pattern Recognition ICPR2012 , 2012
"... Depression is a severe psychiatric disorder. Despite the high prevalence, current clinical practice depends almost exclusively on self-report and clinical opinion, risking a range of subjective biases. This paper focuses on depression analysis based on visual cues from fa-cial expressions and upper ..."
Abstract - Cited by 10 (8 self) - Add to MetaCart
Depression is a severe psychiatric disorder. Despite the high prevalence, current clinical practice depends almost exclusively on self-report and clinical opinion, risking a range of subjective biases. This paper focuses on depression analysis based on visual cues from fa-cial expressions and upper

Data Analysis and Visualization Services

by Mario Valle, Artem R. Oganov
"... USPEX is a crystal structure predictor based on an evolutionary algorithm. Every USPEX run produces hundreds or thousands of crystal structures, some of which may be identical. To ease the extraction of unique and potentially interesting structures we applied usual high-dimensional classification co ..."
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different goal and in somewhat different forms, but are not widely used for crystal structures classification. We adopted a visual design and validation method in the development of a library (CrystalFp) and an end-user application to select and validate method choices, to gain users ’ acceptance and to tap

A Novel Feature Descriptor Based on the Shearlet Transform

by William Robson Schwartz, Ricardo Dutra Da Silva, Larry S. Davis, Helio Pedrini - In IEEE Intl. Conference on Image Processing , 2011
"... Problems such as image classification, object detection and recog-nition rely on low-level feature descriptors to represent visual in-formation. Several feature extraction methods have been proposed, including the Histograms of Oriented Gradients (HOG), which cap-tures edge information by analyzing ..."
Abstract - Cited by 6 (3 self) - Add to MetaCart
, signal singularities, such as edges, can be precisely detected and located in images. Based on the idea of employing histograms to estimate the distribution of edge orientations and on the accurate multi-scale analysis provided by shearlet transforms, we propose a feature descriptor called Histograms
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