ABSTRACT- A real-time, site-specific, machine-vision based, inter-row patch herbicide application system was developed and evaluated. The image resolution was 640 × 480 pixels covering a total area of 350 mm x 240 mm of a field composed of four quadrants of 350 mm x 60 mm each. The image frames were processed by LabView® and MatLab®. The developed algorithm, based on weed coverage ratio and seg...

Diffraction enhanced imaging (DEI) is a powerful phase-sensitive technique that generates the improved contrast of weakly absorbing samples compared to conventional radiography. The x-ray refraction contrast of the sample is an important contrast in DEI, and it vastly exceeds the absorption contrast for weakly absorbing samples imaging, which makes it hold great promise for medical, biological ...

In this paper a functional graded material (FGM) thermal barrier coating (TBC) is prepared using Atmospheric Plasma Spraying (APS) method. The FGM layers were deposited by varying the feeding ratio of CYSZ/NiCrAlY and conventional CYSZ on a NiCrALY-coated Inconel 738 substrates. Hot corrosion behavior, bonding strength and the related failure mechanisms of a conventional TBC and a FGM TBC are i...

X-ray computed tomography is an established volume imaging technique used routinely in medical diagnosis, industrial non-destructive testing, and a wide range of scientific fields. Traditionally, computed tomography uses scanning geometries with a single axis of rotation together with reconstruction algorithms specifically designed for this setup. Recently there has however been increasing inte...

Results are presented of a recent experiment at the Imaging and Medical beamline of the Australian Synchrotron intended to contribute to the implementation of low-dose high-sensitivity three-dimensional mammographic phase-contrast imaging, initially at synchrotrons and subsequently in hospitals and medical imaging clinics. The effect of such imaging parameters as X-ray energy, source size, dete...

Mathematics and medicine do not have a long history of close and fruitful cooperation. The application of mathematical methods in medical applications has become viable due to the increasing performance of computers and since more and more digital image data is acquired. While in former times conventional X-ray images – recorded at an analog film – have been used for diagnosis and treatment pla...

X-ray dark-field imaging is a novel technique which provides complementary information on structural variation and density fluctuation. It allows to obtain object structures at micrometer scale and also contains information on the orientation of these structures. Since it can be acquired by a conventional X-ray imaging system, dark-field imaging has great potential for medical diagnosis. Howeve...

the effect of concept mapping teaching method on the learning of health assessment lesson in nursing students of urmia nursing and midwifery faculty 2013    habibzadeh h [1] , moradi y [2] *,rasoli d [3] ,sheikhi n [4]     received: 23 jul , 2013 accepted: 16 sep , 2013     abstract   background & aims : new educational strategies are needed in learning the basic issues in nursing education. de...

Gastrointestinal stromal tumors (GISTs) are rare but most common nonepithelial tumor of gastrointestinal tract. They are often found incidentally on computed tomography and endoscopic investigations. Increasing knowledge of the pathogenesis of GISTs and the advent of tyrosine kinase inhibitors revolutionized the management of GISTs. The newer advanced endoscopic techniques have challenged the c...