This paper presents a theoretical and experimental comparison of different forms of SSD and normalised cross-correlation of image neighborhoods. Signal detection theory is used as a framework for analysis of correlation techniques. A sum of squared difference (SSD) of two image neighborhoods is shown to provide an optimal matching measure for tracking and registration in the case fo additive Ga...

Fingerprint-based methods are widely adopted for indoor localization purpose because of their cost-effectiveness compared to other infrastructure-based positioning systems. However, the popular location fingerprint, Received Signal Strength (RSS), is observed to differ significantly across different devices’ hardware even under the same wireless conditions. We derive analytically a robust locat...

Solid-state disks are promising high access speed at low energy consumption. While the basic technology for SSDs – flash memory – is well established, new product models are constantly emerging. With each new SSD generation, their behavior pattern changes significantly and it is therefore difficult to make out characteristics for SSDs in general. In this paper, we accomplish empirical, database...

We have designed and developed the flight model silicon micro-strip detector (FM-SSD) for Large Area Space Telescope (GLAST). The concepts and details of the sensor design are described and the results of production testing of the SSDs are reported. A total of 11,500 FM-SSDs were produced in the 2-yr time span from the start of 2001 to the end of 2003. The fabrication was done on the 6-in proce...

PURPOSE To calculate the output factor (OPF) of any irregularly shaped electron beam at extended SSD. METHODS Circular cutouts were prepared from 2.0 cm diameter to the maximum possible size for 15 × 15 applicator cone. In addition, two irregular cutouts were prepared. For each cutout, percentage depth dose (PDD) at the standard SSD and doses at different SSD values were measured using 6, 9, ...

background burn is still a majordevastating condition in emergency medicine departments among both genders and all age groups in all developed and developing countries, leading to physical, psychological scars and economical burden. the present study aimed to determine the healing effect of topical treatment with arnebia euchroma on second-degree burn wound in rats. methods fifty rats were divi...

BACKGROUND AND PURPOSE Although digital subtraction angiography (DSA) is considered the criterion standard for depiction of intracranial aneurysms, it is often difficult to determine the relationship of overlapping vessels to aneurysms when using 2D DSA. We compared 2D and 3D DSA in evaluation of intracranial aneurysms. METHODS Thirty-six consecutive patients with cerebral aneurysms underwent...

This paper focuses on I/O optimizations of N-hybrid (New-Form of hybrid), which provides a hybrid file system space constructed on SSD and HDD. Although the promising potentials of SSD, such as the absence of mechanical moving overhead and high random I/O throughput, have drawn a lot of attentions from IT enterprises, its high ratio of cost/capacity makes it less desirable to build a large-scal...

This paper presents an experimental comparisons of different forms of SSD and normalised cross correlation of image neighborhoods. Signal detection theory is used as a framework for analysis of correlation techniques. A sum of squared difference (SSD) of two image neighborhoods is shown to provide an optimal matching measure for tracking and registration. Correlation of the image, its gradient ...