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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Untersuchungen des Gebisszustandes bei deutschen und bei ausländischen Seeleuten und daraus abzuleitende Empfehlungen

Bäter, Hans-Herbert, January 1979 (has links)
Thesis (doctoral)--Universität Hamburg, 1979.
12

Reconnaissance de visage robuste aux occultations / Face recognition robust to occlusions

Min, Rui 12 April 2013 (has links)
La reconnaissance faciale est une technologie importante en vision par ordinateur, avec un rôle central en biométrie, interface homme-machine, contrôle d’accès, indexation multimédia, etc. L’occultation partielle, qui change complétement l’apparence d’une partie du visage, ne provoque pas uniquement une dégradation des performances en reconnaissance faciale, mai peut aussi avoir des conséquences en termes de sécurité. Dans cette thèse, nous concentrons sur le problème des occultations en reconnaissance faciale en environnements non contrôlés. Nous proposons une séquence qui consiste à analyser de manière explicite les occultations et à fiabiliser la reconnaissance faciale soumises à diverses occultations. Nous montrons dans cette thèse que l’approche proposée est plus efficace que les méthodes de l’état de l’art opérant sans traitement explicite dédié aux occultations. Nous identifions deux nouveaux types d’occultations, à savoir éparses et dynamiques. Des solutions sont introduites pour gérer ces problèmes d’occultation nouvellement identifiés dans un contexte de vidéo surveillance avancé. Récemment, le nouveau capteur Kinect a été utilisé avec succès dans de nombreuses applications en vision par ordinateur. Nous introduisons ce nouveau capteur dans le contexte de la reconnaissance faciale, en particulier en présence d’occultations, et démontrons son efficacité par rapport aux caméras traditionnelles. Finalement, nous proposons deux approches basées 2D et 3D permettant d’améliorer les techniques de base en reconnaissance de visages. L’amélioration des méthodes de base peut alors générer un impact positif sur les résultats de reconnaissance en présence d’occultations. / Face recognition is an important technology in computer vision, which often acts as an essential component in biometrics systems, HCI systems, access control systems, multimedia indexing applications, etc. Partial occlusion, which significantly changes the appearance of part of a face, cannot only cause large performance deterioration of face recognition, but also can cause severe security issues. In this thesis, we focus on the occlusion problem in automatic face recognition in non-controlled environments. Toward this goal, we propose a framework that consists of applying explicit occlusion analysis and processing to improve face recognition under different occlusion conditions. We demonstrate in this thesis that the proposed framework is more efficient than the methods based on non-explicit occlusion treatments from the literature. We identify two new types of facial occlusions, namely the sparse occlusion and dynamic occlusion. Solutions are presented to handle the identified occlusion problems in more advanced surveillance context. Recently, the emerging Kinect sensor has been successfully applied in many computer vision fields. We introduce this new sensor in the context of face recognition, particularly in presence of occlusions, and demonstrate its efficiency compared with traditional 2D cameras. Finally, we propose two approaches based on 2D and 3D to improve the baseline face recognition techniques. Improving the baseline methods can also have the positive impact on the recognition results when partial occlusion occurs.
13

Comparison between centric occlusion contacts in the mouth and in the articulator Vishay photocclusion system versus shim-stock : a thesis submitted in partial fulfillment ... in restorative dentistry, occlusion ... /

Coachman, Robert Gray. January 1981 (has links)
Thesis (M.S.)--University of Michigan, 1981.
14

Comparison between centric occlusion contacts in the mouth and in the articulator Vishay photocclusion system versus shim-stock : a thesis submitted in partial fulfillment ... in restorative dentistry, occlusion ... /

Coachman, Robert Gray. January 1981 (has links)
Thesis (M.S.)--University of Michigan, 1981.
15

Clinical and electromyographic studies on occlusion

Riise, Claes. January 1983 (has links)
Thesis (doctoral)--Karolinska Institutet, Stockholm, 1983. / Extra t.p. with thesis statement inserted. Includes the author's six published papers. Includes bibliographical references.
16

Clinical and electromyographic studies on occlusion

Riise, Claes. January 1983 (has links)
Thesis (doctoral)--Karolinska Institutet, Stockholm, 1983. / Extra t.p. with thesis statement inserted. Includes the author's six published papers. Includes bibliographical references.
17

Tests of validity for indices of occlusion a thesis submitted in partial fulfillment ... orthodontics /

Summers, Chester John. January 1970 (has links)
Thesis (M.S.)--University of Michigan, 1970.
18

A cephalometric study of the relationship between the morphology of the mandible and its future occlusal position a thesis submitted in partial fulfillment ... in orthodontics ... /

Balbach, Daniel R. January 1965 (has links)
Thesis (M.S.)--University of Michigan, 1965.
19

Comparison of jaw movement with ridge and groove direction a thesis submitted in partial fulfillment ... periodontics ... /

Skillicorn, Robert C. January 1972 (has links)
Thesis (M.S.)--University of Michigan, 1972.
20

The curve of Spee and its relation to craniofacial and dental measurements a thesis submitted in partial fulfillment ... in orthodontics ... /

Bolthouse, John P. January 1971 (has links)
Thesis (M.S.)--University of Michigan, 1971.

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