![]() ![]() The results validate the performance of proposed method with promising results of diagnosis accuracy as high as 96.25%.Īs the most commonly used construction material, concrete has been widely used in civil infrastructure, such as buildings, tunnels, dams, bridges, and wharfs. Finally, to demonstrate the effectiveness of the proposed framework, a total of 1200 images are collected from a real concrete bridge including intact (without crack), longitudinal crack, transverse crack and oblique crack cases. The Dempster–Shafer (D–S) fusion algorithm is utilized to fuse the diagnostic results corresponding to different filters for decision making. To raise the classification accuracy, enhanced salp swarm algorithm (ESSA) is applied to the SVM for meta-parameter optimization. Moreover, support vector machine (SVM) is used to design the classifiers for initial diagnosis of concrete surface based on extracted features. ![]() Then, to extract the effective features sensitive to the crack, different filters are employed for crack edge detection, which are subsequently tackled by integral projection and principal component analysis (PCA) for optimal feature selection. Firstly, the non-local means method is adopted to process the original image, which can effectively diminish the noise influence. On the basis of multiple image features, this work presents a novel approach for crack identification of concrete structures. Hence, crack diagnosis is of great importance in concrete research. For the Internet Explorer browser, simply choose "Internet Explorer" as the desired browser.Cracks in concrete can cause the degradation of stiffness, bearing capacity and durability of civil infrastructure. Simply run the software and start checking.Īll the most popular browsers are supported, such as Internet Explorer, Mozilla Firefox, Opera, Netscape, Safari and Internet Explorer. It is a powerful email verification tool for website owners who want to check the validity of email addresses on their site. No need to log in as a guest. Mail Checker !can be used as a standard email checker, without user registration, and requires no special access to the Internet. The checks are performed simultaneously in all available Internet machines, so that all the "dead" email addresses are located. ![]() Hundreds of new email addresses are extracted from your selected database or text file every hour. The results are displayed on the Internet with a list of all valid and invalid email addresses.įull Information Retrieval is ensured by means of our email retrieval engine, the technical characteristics of which have been carefully designed for the specific purpose of the full extraction of email addresses from a text file or a database. A.V.A.Mail Checker !checks all available email addresses from any selected text file or database and displays the results on the Internet.Īll the email addresses are extracted from the selected text file or database one at a time and checked. One of the biggest problems in the Internet world is a fraudulent use of email addresses. It quickly checks an email address from any text file or database. Mail Checker !A.V.A.Mail Checker is the quick and convenient solution for ensuring the validity of an email address. The program efficiently checks the validity of email addresses in your database or selected text file, and provides an immediate display of all valid and invalid email addresses on the Internet. ![]() The program quickly checks every email address on your website with 100% accuracy and displays the results on the Internet.Ī.V.A.Mail Checker is a unique and easy-to-use email verifier and report generator. P-mail !Mail Checker is an invaluable and an inexpensive tool for any website owner. XLS and.PDF files search engine features that will help you locate the "dead" address on the Internet. ![]()
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