Nondestructive evaluation (NDE) is a means of evaluating structural components without damaging them. It can be used to evaluate structural systems, as well as specific structural components. Nondestructive testing is particularly useful for evaluating inservice bridges, since the bridges can remain in tact and open to traffic during the inspection and evaluation period. The NDE methods discuss...

A 4D registration method for the spatio-temporal alignment of cardiac MR image sequences has been developed. The registration algorithm has the ability not only to correct any spatial misalignment between the image sequences but also any temporal misalignment which maybe the result of differences in the cardiac cycle between subjects and differences in the temporal acquisition parameters. The a...

Since the visual appearance of food and other biological products is a major factor in the judgment of quality, visual inspection is an important part of quality control in these industries. This inspection has historically been performed by use of the only “tool” available, the human eye. The processaccompanying data acquisition, automatic evaluation and direct control of the ambient condition...

By analysing potential field data in the wavelet domain and performing a multi scale edge detection we can automate what is commonly called 'worm analysis', i.e., the traditional visual inspection of gravity and aeromagnetic data in order to detect shallow faults, lineaments, contacts etc. More importantly, with the use of an appropriate wavelet, defined by the physics of the problem, informati...

In the past few years, 2D topographic databases have been completed in most industrialised countries. Most efforts in National Mapping and Cadastral Agencies (NMCAs) are now devoted to the update of such databases. Because it is generally carried out manually, by visual inspection of orthophotos, the updating process is time-consuming and expensive. The development of semiautomatic systems is t...

The common procedure for detecting potentially malignant (PMOL) or malignant oral lesions consists of visual inspection, followed by biopsy of any suspicious lesions found. However, the processing of biopsy material and the interpretation of the results inevitably leads to diagnostic delay and the added possibility of taking an unrepresentative sample. Therefore, techniques that can distinguish...

Visual search for a target object is facilitated when the object is repeatedly presented within an invariant context of surrounding items ("contextual cueing"; Chun & Jiang, Cognitive Psychology, 36, 28-71, 1998). The present study investigated whether such invariant contexts can cue more than one target location. In a series of three experiments, we showed that contextual cueing is significant...

Given the challenges of implementing high-quality cervical cancer prevention services, especially in developing countries, there is considerable interest in exploring the accuracy and acceptability of visual approaches to detect precursor cervical disease and/or cancer. There are several types of visual screening. Early studies used visual inspection, which involved simply looking at the cervix...

In this paper, we propose a new method for visual inspection of textile surfaces; selectively removing the intensity variations caused by textures on textile surfaces. For this purpose we use Wavelet Shrinkage, which was originally proposed by Donoho & Johnstone as a method to remove Gaussian white noise. We also propose a modification of Wavelet Shrinkage to selectively remove the intensity va...

The close-up visual inspection of bridges faces several problems, including a lack financial resources and human personnel. Hence, there has been increasing use artificial intelligence (AI) information communications technology (ICT) to solve them. We previously investigated remote inspection—in which skilled engineers provided on-site support from location—with the aim reducing labor required ...