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For many groups that fund market promotion activities, an obvious motive for conducting a program evaluation is that some type of evaluation of the effectiveness of their promotion expenditures is mandated under the 1996 Farm Bill (FAIR Act). Research and experience, however, have shown that a regular and rigorous program of evaluation is critical for efficient management of any commodity promo...
With expanding potential clinical applications of functional magnetic resonance imaging (fMRI) it is important to test how reliable different measures of fMRI activation are between subjects and sessions and between centres. This study compared variability across 17 patients with multiple sclerosis (MS) and 22 age-matched healthy controls (HC) in 5 European centres performing an fMRI block desi...
INTRODUCTION: It has been shown that high-permittivity dielectric pads can be used to efficiently improve the field homogeneity in the region of interest (ROI) in high-field MRI [1-8]. Recent studies focused on the design of these pads by controlling parameters such as size, position and permittivity, using simple patient specific parameter sweeping to improve the transmit field in a small regi...
This paper aims first at implementing two algorithms to extract Region Of Interest (ROI) from 2D (mammography) and 3D images (tomosynthesis) so that to gather ROI databases and second, at analyzing anisotropy of these images textures using an anisotropic fractional Brownian field to check whether the model being studied helps apprehend the breast anisotropy. This analysis includes the estimatio...
In this paper, we propose a restricted, adaptive threshold approach for the segmentation of images of the glottis acquired from high speed video-endoscopy (HSV). The approach involves first, identifying a region of interest (ROI) that encloses the vocal-fold motion extent for each image frame as estimated by the different image sequences. This procedure is then followed by threshold segmentatio...
We study the problem of predicting the viewer’s behavior in an Interactive TV application, using soccer matches as an example. Based on the information extracted from the video frames and the user’s Region of Interest (RoI) trajectory history, we make the prediction of the viewer’s RoI ahead of time. We start with a generic probabilistic model, make simplifications and develop a tractable syste...
هدف اصلی این رساله بررسی وجود جواب برای معادله های بیضوی غیر موضعی زیرمی باشد: {?(-l_k u??(?j(x,u)+??k(x,u)) in ? ,&@ u=0 in ?? ,) ? (1) {?(?(-?)?^s u=f(x,u) in ? , @ u=0 in r^n ?? , )? (2)
In this paper we propose a novel watermarking scheme for image authentication with region of interest (ROI). The watermark is embedded in a non−ubiquitous way avoiding degrading the fidelity of selected image regions, while still providing an integrity protection for the whole image including these regions. The localization resolution of tampered areas remains equal inside and outside of the wa...
This report presents a new approach for the detection of large man-made objects in a rural area using a single monochrome image. In this problem, man-made objects may be unspecified and the appearance of the objects is unpredictable. Prominent features discriminating man-made objects from natural objects are identified. A computational framework for applying perceptual organization and using th...
We report a brain imaging study with fMRI in which participants were scanned while watching Noh masks with face expressions rated as happy. Among seventy standard masks previously rated by the participants, we selected the six happiest masks and six neutral masks to explore the neural correlates of happiness associated with Noh masks. Results based on region of interest (ROI) analysis indicated...
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