نتایج جستجو برای: dental image databases
تعداد نتایج: 635130 فیلتر نتایج به سال:
Aggregate functions are particularly useful when dealing with extremely large volumes of data. In business and statistical databases, aggregate queries have been leveraged by powerful methods such as On-Line Analytical Processing (OLAP). In contrast, current technology for raster image databases is lagging behind. A comparative study between raster image and business databases has shown similar...
Oral and dental diseases such as dental caries and gingivitis are common problems in human societies. The formation of biofilms is considered as a very important mechanism of disease by these bacteria. The present study is an overview of these infectious diseases and their bacterial etiology, the mechanism of formation and role of dental plaque biofilm in the development of these infections and...
Potato image segmentation is an important part of image-based potato defect detection. This paper presents a robust potato color image segmentation through a combination of a fuzzy rule based system, an image thresholding based on Genetic Algorithm (GA) optimization and morphological operators. The proposed potato color image segmentation is robust against variation of background, distance and ...
The objective: The authors undertook an updated systematic review of the relationship between body mass index and dental caries in children and adolescents. Method: The authors searched Medline, ISI, Cochrane, Scopus, Global Health and CINAHL databases and conducted lateral searches from reference lists for papers published from 2004 to 2011, inclusive. All empirical papers that tested associat...
THE OBJECTIVE The authors undertook an updated systematic review of the relationship between body mass index and dental caries in children and adolescents. METHOD The authors searched Medline, ISI, Cochrane, Scopus, Global Health and CINAHL databases and conducted lateral searches from reference lists for papers published from 2004 to 2011, inclusive. All empirical papers that tested associat...
Introduction: Nowadays the use of cone beam computed tomography in dental imaging is increasing, although this method has a much lower dose than conventional CT scans, it delivers a higher dose than the panoramic and periapical patients therefore, , the aim of this study was to investigate the factors affecting the patients' dose in dental CBCTs and methods of optimizing and reducing the patien...
The aim of this study was to review the effectiveness of methods used for teaching dental anatomy carving to dental students in operative dentistry as evaluated in published studies. This systematic review is described in accordance with the PRISMA statement. Two independent reviewers performed a systematic literature search of research published from January 1945 until May 2014. Seven database...
The purpose of this paper is to introduce an algorithm that can detect the most unusual part of a digital image. The most unusual part of a given shape is defined as a part of the image that has the maximal distance to all non intersecting shapes with the same form. The method can be used to scan image databases with no clear model of the interesting part or large image databases, as for exampl...
Introduction: Dental autotransplantation is an economical and viable alternative for the replacement of teeth with closed apex. The use piezoelectric surgery a beneficial tool considered less invasive technique, ideal dental organs. Objective: To analyze literature on using 3D replicas donor teeth, as well prognosis treatment in immature apex complete apex, extraction tooth tissue regeneration ...
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