Combination of multiple image segmentations

Die Arbeit betrachtet die Kombination von mehreren Bildsegmentierungen im Bereich von contour detection und regionenbasierter Bildsegmentierung. Das Ziel ist die Kombination von mehreren Segmentierungen in eine verbesserte finale Segmentierung. Im Fall der regionenbasierten Kombination von Segmentierungen wird das generalized median Konzept verwendet, um automatisch die endgueltige Anzahl von Regionen zu bestimmen. Umfangreiche Experimente zeigen, dass die vorgeschlagene Kombinationsmethode bessere Ergebnisse erzielt als der Lernansatz unter Verwendung von Ground Truth Daten. Schliesslich untersuchen Experimente mit Evaluationsmassen fuer Segmentierungen das Verhalten sowie die Metrik-Eigenschaft der Masse. Die Studie soll als Leitlinie fuer die geeignete Wahl von Evaluationsmassen dienen. The thesis concerns combination of multiple image segmentations in the domains of contour detection and region-based image segmentation. The goal is to combine multiple segmentations into a final improved result. In the case of region-based image segmentation combination, a generalized median concept is proposed to automatically determine the final number of regions. Extensive experiments demonstrate that our combination method outperforms the ground truth based training approach. In addition, experimental investigation of existing segmentation evaluation measures on the metric property and the evaluating behaviors is presented. This study is intended to be as a guideline for appropriately choosing the evaluation measures

Wundheilungsmodulation im vorderen Augenabschnitt: experimentelle und klinische Betrachtungen

Die vorliegende Arbeit betrachtet Aspekte der Wundheilungsmodulation im vorderen Augenabschnitt. Dabei werden drei ophthalmologische Anwendungsfelder mit hoher klinischer Relevanz betrachtet, welche alle mit fibrotischen Prozessen assoziiert sind. Der erste Themenkomplex beschreibt induzierte Wundheilungsmechanismen nach fistulierender Glaukomchirurgie. Im zweiten Themenbereich der Schrift werden Wundheilungsmechanismen der Kornea und im abschließenden dritten Themenfeld postoperative Wundheilungsprozesse nach durchgeführter Kataraktchirurgie näher betrachtet.The present work considers aspects of wound healing modulation in the anterior segment of the eye. Three ophthalmological fields of application with high clinical relevance are considered, all of which are associated with fibrotic processes. The first topic describes induced wound healing mechanisms after fistulating glaucoma surgery. In the second topic, wound healing mechanisms of the cornea are described, followed by postoperative wound healing mechanisms after cataract surgery in the third topic

Ernst Fuchs (1851-1930) and the Worldwide Renown of the Vienna School of Ophthalmology around 1900

By presenting documents and original photographs of the ophthalmologist Ernst Fuchs his life and scientific work are presented in a way never done before. German Version: http://e-book.fwf.ac.at/o:1551 English Version: http://e-book.fwf.ac.at/o:1773Anhand von bisher größtenteils noch niemals veröffentlichten Originaldokumenten und -abbildungen werden Leben und wissenschaftliches Wirken des Ophthalmologen Ernst Fuchs dargestellt. Ernst Fuchs war um 1900 nicht nur der bedeutendste österreichische Ophthalmologe, sondern genoss auch international hohes Ansehen. Er führte die Wiener ophthalmologische Schule zu seiner Zeit zu Weltruf. Deutsche Version: http://e-book.fwf.ac.at/o:1551 Englische Version: http://e-book.fwf.ac.at/o:177

Ernst Fuchs (1851-1930) and the Worldwide Renown of the Vienna School of Ophthalmology around 1900

By presenting documents and original photographs of the ophthalmologist Ernst Fuchs his life and scientific work are presented in a way never done before. German Version: http://e-book.fwf.ac.at/o:1551 English Version: http://e-book.fwf.ac.at/o:177

Malnutrition

Malnutrition is a major threat faced by the developing nations and it has caused a severe health care and economic burden. This menace causes severe structural and functional abnormalities that hinders the growth of the individual and nation. This book provides complete insight of the problem, pathophysiology, impact and rectifying strategies. Moreover, this book encompasses the different sections that highlight the problem in a sequential manner. Hopefully, this book will prove to be an aid for the reader to enlighten their knowledge regarding malnutrition and its tackling strategies

NASA Tech Briefs, Spring 1985

Topic include: NASA TU Services; New Product Ideas; Electronic Components and Circuits; Electronic Systems; Physical Sciences; Materials; Life Sciences; Mechanics; Machinery; Fabrication Technology; Mathematics and Information Sciences

Presented Abstracts from the Thirty Third Annual Education Conference of the National Society of Genetic Counselors (New Orleans, LA, September 2014)

Peer Reviewedhttps://deepblue.lib.umich.edu/bitstream/2027.42/146864/1/jgc41067.pd

Science, labor and scientific progress

My dissertation introduces a new materialist theory of scientific progress built on a novel characterization of scientific work and an analysis of progress appropriate to it. Two questions, crucial for understanding scientific progress, are answered: a. Why is it possible for scientists at a given time to have more epistemic abilities than scientists at an earlier time? b. How can knowledge acquired in the past be used in on-going or future research? I argue that these questions are best answered by analyzing science as a form of labor. The elements of the labor process, involving both intellectual and material means, provide a starting-point for the systematic study of how scientific abilities evolve. As a unit of analysis, the labor process exposes features of the dynamics of knowledge accumulation that traditional analyses do not. I analyze historical cases from chemistry and the Scientific Revolution, attending carefully to how scientific work is conducted and conceived. First, I argue that scientific progress consists not just in the growth of theoretical or empirical knowledge, as in traditional philosophy of science, but also in the growth of know-how. The tools of science play a crucial role in determining the abilities scientists can and must have to do science. Tools also determine how scientists’ abilities change over time, by enabling, but also constraining, the incorporation of knowledge into the labor process. I argue that an extremely important mechanism of progress in science consists of a feedback loop between the production of new knowledge and instrument construction. This process requires the integration, and transformation into material form, of different kinds of knowledge. As the process is repeated over the long term, scientific work is transformed because it becomes less dependent on native human epistemic abilities. Second, the evolution of scientific abilities depends on ambient ideological conditions: Social attitudes towards different kinds of work are critical, as are notions about the proper object of science. What results is a picture of scientific change involving the interactions of different kinds of knowledge and in which internal and external factors, as well as instrumental rationality, play a significant role