Retail organizations (grocery stores, department stores, etc.) have access to rich data, based on scanner technology at store check-out counters. Most experts acknowledge that these data are under-utilized for lack of sophisticated organizational decision support systems to transform the scanner data into useful information that can be disseminated and used across the many stores of a retail or...

Extracting forest variables from airborne laser scanner has less than 10 years of history. During that time, however, a new area in the field of forest studies has emerged. This paper describes existing algorithms and methods of airborne laser scanning that are used for forest measurements. The methods are divided into the following categories: 1) extraction of DTM (digital terrain model), 2) e...

Brain iron was visualized on a mid-field (0.5 T) scanner using a spin-echo pulse sequence. Methemoglobin was hyperintense on T1- and T2-weighted images. Deoxyhemoglobin, hemosiderin, and ferritin were seen as decreased intensity on T2-weighted images. The spin-echo pulse sequences were improved for identification of deoxyhemoglobin, hemosiderin, and ferritin by prolonging the TR to 3000 msec an...

Introduction: It was shown in [1] that electrophysiology and other non-MR signals can be measured by MR equipment after modulation to frequencies close to those of the MR-signals. After wireless transmission to the scanner, MR and and non-MR signals were recorded together. The technique is somewhat similar to the "mag stripe" technique used for encoding soundtracks in movies: The signals are en...

Tomotherapy is the delivery of intensity modulated radiation therapy using rotational delivery of a fan beam in the manner of a CT scanner. In helical tomotherapy the couch and gantry are in continuous motion akin to a helical CT scanner. Helical tomotherapy is inherently capable of acquiring CT images of the patient in treatment position and using this information for image guidance. This revi...

As image guided surgical procedures become increasingly diverse, there will be more scenarios where point-based fiducials cannot be accurately localized for registration and rigid body assumptions no longer hold. As a result, procedures will rely more frequently on anatomical surfaces for the basis of image alignment and will require intraoperative geometric data to measure and compensate for t...

there exist a number of factors that affect the quality laser scanner. in other words, the accuracy of a terrestrial scanner is limited extensively by systematic errors and thus must be calibrated. indeed, calibration is a prerequisite for obtaining 3d precise and reliable data from point clouds. until now, several models have been proposed to improve the accuracy of laser scanner data, most of...

1. Introduction This chapter deals with the vast literature on panel data discrete choice models of consumer demand. The reason this area is so active is that very high quality data is available. Firms like Nielsen and IRI have, for over 30 years, been collecting panel data on households' purchases of consumer goods. This is known as ―scanner data,‖ because it is collected by check-out machine ...