نتایج جستجو برای: contour defect
تعداد نتایج: 117943 فیلتر نتایج به سال:
normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background : recently autologous fat tissue transfer has gained much popularity. on the other hand, applying the transferring methods with a higher survival rate is still controversial. the aim of this study is to compare dermis-fat graft and dermal-fascia-fat graft. methods : this animal study was conducted in 2008-2009. ...
In the manufacture of chips, it is important to detect defects assess whether chip potentially damageable that could cause unnecessary cost. Most assessment rules are set in light characteristics determined by defect contours, such as area and range. However, conventional image process methods seldom show a satisfactory performance on chips with complex structures because they difficult disting...
among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...
Cleft of the lip, alveolus and palate (CLAP), is a complex facial deformity, which requires multiple surgeries and bone grafting to correct the defect. Active or passive Pre surgical Orthopedic Molding reduces the deformity and thus reduces number of surgeries to achieve superior post surgical esthetic. Pre-surgical nasoalveolar molding (PNAM) is passive molding which align and approximate the ...
Research on the combination of improved Sobel operator and ant colony algorithm for defect detection
There are many aspects in the defect detection system. Any deviation any link will affect accuracy of final detection, and edge is very important image preprocessing stage. In this paper, a new algorithm proposed. Firstly, improved Sobel operator used to detect contour, then position contour taken as initial ant colony algorithm. The experimental results show that can extract with uniform thick...
In this paper Contourlet based statistical modeling is used for Fabric Defect Detection. The Contourlet transform is a recently proposed two dimensional method used for image analysis. It is very efficient for representing images with fine geometrical structure. In the proposed method for defect detection Contourlet based feature extraction is used. Contourlet Transform is capable of capturing ...
UNLABELLED The present report describes the application of a miniplate in the hard palate of a 36-year-old patient with a large anterior maxillary defect. The combination of orthodontic elastics with a titanium miniplate improved the stability of the prefabricated prosthesis. This structure retained the ointment gauze covering the wounds and maintained the facial contour. In addition, contractu...
PURPOSE Several studies of trichiasis recurrence suggest an association between surgical factors and long-term recurrence, yet data on short-term risk factors are limited. This study was conducted to evaluate risk factors for early trichiasis recurrence and other unfavorable short-term outcomes. METHODS Trichiasis patients presenting for surgery were evaluated for presence of active trachoma ...
Different from the cross-section profile defects caused by uneven roll wear or external forces during hot finishing rolling, edge warping defect often occurs and has special local characteristics. However, cause control method of are still unclear. By superposition calculating shape, it is found that high-order comprehensive gap contour formed bathtub-shaped thermal parabolic original shape mai...
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