A growing number of both established and newly developed doctoral programs are focusing on the preparation of practitioners rather than career researchers. Professional doctorates such as the Doctor of Nursing Practice (DNP), Doctor of Education (EdD), Doctor of Pharmacy (PharmD), Doctor of Professional Studies (DProf or DPS), and the Doctor of Psychology (PsyD) are, in fact, just a few of the professional doctorates being offered today. Professional doctorates are the fastest growing segment of doctoral education. The nature of the dissertation and the process of completing a dissertation can be quite different in a professional practice doctoral program but there are few resources for both students and faculty involved in completing and mentoring such dissertations. This book was written specifically for students and faculty involved in professional practice dissertation work. It addresses both the tasks and procedures that professional practice dissertations have in common with dissertations in "research" doctoral programs as well as the tasks and issues that are more common in professional practice doctoral programs. For example, negotiating entry into applied settings and securing the cooperation of practicing professionals is covered, as are alternative models for the dissertation (e.g., the "three article dissertation" or "TAD"). The book also covers tasks such as getting IRB approval for applied dissertation research conducted in the field and how to propose and carry out studies based on applied and professional models of research. This book, written by three experienced mentors of professional practice dissertation students, is the comprehensive guide for both students and faculty.
Reconstructing the shape of an object from images is an important problem in computer vision that has led to a variety of solution strategies. This monograph focuses on photometric stereo, that is, techniques that exploit the observed intensity variations caused by illumination changes to recover the orientation of the surface. In the most basic setting, a diffuse surface is illuminated from at least three directions and captured with a static camera. Under some conditions, this allows to recover per-pixel surface normals. Modern approaches generalize photometric stereo in various ways; for example, relaxing constraints on lighting, surface reflectance and camera placement, or creating different types of local surface estimates. Starting with an introduction for readers unfamiliar with the subject, A Survey of Photometric Stereo Techniques discusses the foundations of this field of research. It then summarizes important trends and developments that have emerged in the last three decades. The focus is on approaches with the potential to be applied in a broad range of scenarios. This implies, for example, simple capture setups, relaxed model assumptions, and increased robustness requirements. This is an ideal reference for anyone looking for an understanding of the diverse concepts and ideas around this topic and how we can move towards more general techniques than traditional photometric stereo.
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