Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 7 of 7 for “"Observer Study"”.
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Fraternity Re-Founded: A 'Pedagogues'
… fraternity through an observational participant-observer study of founding the Lambda Phi chapter of Lambda Chi Alpha at Texas State University. It examines how fraternity operates as a communicative system shaped through recruitment, ritual, governance, and everyday interaction around men from …
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Folk song in Cumbria : a distinctive regional repertoire
… in England has been the lack of systematic study of folk song and its performance in discrete geographical areas. This thesis endeavours to address this gap in knowledge in a small way, through a study of Cumbrian folk song and its performance over the past two hundred years. Although …
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The impact of simulated motion blur on breast cancer detection performance in full field digital mammography (FFDM)
… software to perform simulation of motion, an observer study to measure the lesion detection performance and physical measures to assess the impact of simulated motion blur on image characteristics of the lesions. Method: Seven observers (15±5 years’ reporting experience) evaluated 248 cases …
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Managing business change projects: a social practice perspective
… questions, an 18-month ethnographic, participant/observer study has been carried out within a large UK public sector organisation, observing events and behaviours on a day-to-day basis from a practitioner’s perspective, using narrative to capture the complexity of the social reality of project …
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Optimization of Fast MR Imaging Technologies using the Case-PDM to Quantitatively Assess Image Quality
… We validated existing Case-PDM with advanced observer experiments. Human evaluation of MR images from multiple organs and from multiple image reconstruction algorithms were compared to Case-PDM and competing methods such as IDM (Sarnoff Corporation) and SSIM (Wang et al.). Global image quality …
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The impact of viewing conditions on image quality assessment tasks in mammographic quality control
… were compared with the results obtained from the observer study during the next phase of the research.The observer study demonstrated great variation in the number of visible structures in the different environmental conditions. The illumination level and the wall colour have a statistically …
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Perceptually Relevant Measurements in Tomosynthesis Imaging
… the DBT images and their relation to human observer diagnosis performance. The NPS based power-law exponent beta was hypothesized to quantify tissue structural overlap and to use as a surrogate for diagnostic performance in x-ray imaging. We showed that random noise and system configurations …