surface defect
Surface Defect Inspection for Vehicle Heat Exchangers Based on LBP and SVM
... the surface of each heat exchanger during ...industry. Surface defect inspection based on machine vision can improve the rate of production of high quality products, reduce production costs, and ...
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Surface Defect Detection of Solar Cell Based on Difference Image Method
... So in order to adapt to increasingly complex production technique and the growing scale of production. It in need to research a cost-effective approach to detect solar cells. In order to solve this problem, in this ...
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An Adaptive Background Adjusting Algorithm for Rail Surface Defect Image Segmentation
... of surface reflection when extracting rail surface defects, this paper proposes an adaptive background adjusting algorithm for rail surface defect image segmentation based on the background ...
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Railway Wheel Flat and Rail Surface Defect Detection by Time Frequency Analysis
... roller surface defect conditions based on wheel vibration signals with wheel speed ...roller surface defect and while for the wheel flat the similar frequency characteristics exist but with ...
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The Limit Load Analytical Model for Thick-Walled Pipe with Axial Surface Defect
... the surface defect location (at the internal or external surface of the pipe wall), which affects the limit value of the local bending ...thick-walled defect free pipes under inner pressure ...
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Surface Defect Detection on Power Transmission Belts Using Laser Profilometry
... various surface defects that occur in production in order to use the surface defect detection procedure as a part of the quality assurance ...system. Surface defects that occur on teeth can ...
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The Limit Load Analytical Model for Pipe Branch with Axial Surface Defect
... a surface crack is constructed and analytical formulas for the residual strength are ...through defect and equating it with “local” residual strength of a surface defect, which gives the depth ...
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Adaptive noise cancelling and time–frequency techniques for rail surface defect detection
... A further investigation was made to combine the ANC processing with time-frequency analysis because time-frequency analysis has the advantage of presenting time and frequency information simultaneously. Four ...
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The analysis of effects of a sub-surface defect geometrical sizes on the fracture evaluating
... sub-surface defect in RSE-M is introduced in section 2, and the criteria to evaluate the fast fracture risk of the defect at the ending of life (EOL) is introduced in section 3, the adopted solution ...
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Research on Surface Defect Detection Based on Semantic Segmentation
... automatic defect Detection method for texture Surface based on unsupervised Learning was proposed by ...uses defect-free samples for model training and does not require manual participation, so it ...
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Smooth particle hydrodynamics study of surface defect machining for diamond turning of silicon
... developed surface defect machining (SDM) method in the fabrication of silicon and similar hard and brittle materials using smooth particle hydrodynamics (SPH) simulation ...and surface defect ...
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Mechanical Part Surface Defect Detection using Crack Extraction Approach
... proposed defect detection technique which is fast and simple compared to other defect detection ...every defect pixel are not identified by this ...Presented defect detection technique using ...
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Surface defect characterisation using non contact ultrasound
... exhibit surface defects while in service [4] or during manufacturing ...the defect growth into the sample [3]. In manufacturing, surface defects can occur as a result of chemical, processs, and ...
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Multiple focused EMAT designs for improved surface breaking defect characterization
... a defect of sufficient size is present between the generator and detector ...the defect so the defect blocks the majority of the signal, and this loss of signal indicates the defect ...for ...
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Scanning laser techniques for characterisation of different surface breaking defect geometries
... a surface defect, an analogous signal enhancement to that shown for Rayleigh waves, is present for Lamb ...the defect a set of data is produced showing the out-of-plane displacement as a function of ...
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Defect Detection of Mobile Phone Surface Based on Convolution Neural Network
... Automatic surface defect detection of mobile phone in large scale needs to process high resolution images and handle various defects while achieving high accuracy ...a defect detection method based ...
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Near field enhancements from angled surface defects : a comparison of scanning laser source and scanning laser detection techniques
... of surface waves, such as Rayleigh waves, with surface cracking is leading to new techniques for characterisation ...with surface defects which are oriented normal to the sample surface, a ...
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Surface Activity and Bulk Defect Chemistry of Solid Oxide Fuel Cell Cathodes
... hundreds of compositions can thus be quite cumbersome. (This constraint is not unique to the microelectrode approach.) Varying other parameters besides composition -‐-‐-‐ film thickness, surface decoration, ...
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Removal of BTX Compounds from Wastewaters Using Template Free MFI Zeolitic Membrane
... SEM images of the surface of seeded layers on -alumina substrate by two different seeds were shown in Fig. 3. A homogeneous and relatively compact layer of round shaped seeds is deposited on top of the support by ...
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Preoperative irrigation and vacuum sealing drainage with antibiotic-containing drainage fluid of foot and ankle wounds improves outcome of reconstructive skin flap surgery
... The above referenced studies and others have demon- strated that PI-VSD can reduce the degree of infection [27–29], but no studies have examined the effect of PI- VSD with antibiotic-containing drainage fluid (abPI-VSD) ...
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