In order to generate uniform distributed sample on the fly, the C++ Boost library was applied with its powerful statistical distribution templates. For generating a uni form distributed sample, the Mersenne Twister generator was implemented used. The Mersenne Twister...
The number of tweets collected for participating users varies widely, as shown in Figure. As discussed in subsection only about the most recent 3200 tweets can be collected from a user.The average of 1538 tweets collected per user and median of 1065 suggest that for...
As part of the web form submission and in order to download users’ tweets, the users must be followed on Twitter. Following users as they participate via the web form and downloading their tweets is accomplished by using three programs developed as part of this work....
Twitter is a relatively new service, made public in 2006, which allows users to post 140 character updates. They can follow other users, such as friends, celebrities, or companies to receive a live digest of those users’ updates. Users can engage in public or private...
Capillary phantom construction To test whether separate strands of fibers within a large parallel bundle can be distinguished from each other, a capillary fiber phantom was created using flexible fusedsilica capillary tubing manufactured by Polymicro Inc. (Molex,...
Oil/Water Phantom To demonstrate the fat suppression capabilities of the eZOOM sequence a water/oil phantom was used. A 50ml container (HDPE plastic) was filled with approximately 65% tap water and 30% canola oil (leaving about 5% air space) and placed upright into...
Monitoring the interplay of neuronal ensembles in the brain is important for understanding mechanisms underlying memory, learning and behavior. Recently a group of neuroscientists have proposed launching a large-scale, international public effort called “Brain...
Power Agent Model In this post, we talk about Power Agent Model. The nodes in the standard multi-bus systems have been previously represented by the power agents. They are specified as producer and consumer agents . Since the the above focused on the properties of the...
TEG Optimum Output and Power Regulation In this post, we talk about TEG Optimum Output and Power Regulation. The electricity values from the commercial TEG are much lower than we expected. The main reason is the small temperature contrast between the hot and cold side...
Heat Increasing Rate and Distance In this post, we talk about Heat Increasing Rate and Distance. The temperature in the distance of 1.5m was growing three times faster than the temperature measured in the distance of 3.0 m. The phenomenon happens because the rate of...
Temperature Sensor Calibration In this post, we talk about Temperature Sensor Calibration. used the I2C type temperature sensor for the Read-to-Use tag. To verify the accuracy of the sensor and to calibrate the temperature control threshold value, we compare the...
Human Movement Detection In this post, we talk about Human Movement Detection. The use of the low extrema point, which is the person’s foot location, to detect and compute the real distance in the 3D space caused the poor segmentation result. used the background...
The first level of inquiry into the corpus, at the Tweet level, poorly accounts for the differences between pronouns data studied in this level, suggesting instead similarity in referent or inadequacy of methods. Variation at the level of tokens is examined in...
As online texts are increasingly the object of linguistic study, researchers have come to recognize the situated nature of such texts and the uniqueness of the social relations they represent. Rather than unproblematically extending traditional objects of analysis to...
Twitter is an extremely popular social media platform. The platform was founded in 2006, and reached 500 million user accounts in June of 2012, 140 million of those in the United States (Semiocast 2012). Users access Twitter through a web interface at Twitter.com,...
In order to establish a baseline or sentiment score calculations for the tweets, a control group of 3,000 tweets was randomly selected out of the collection of 81,158 tweets that had a distance greater than 0 between the two sentiment scores calculated. The tweets...
The data analysis function had to look up the contents of the hashtag in several dictionaries: a New Oxford American dictionary that is available by default on all instances of MAC OS X Mountain Lion, and a CELEX2 dictionary of English (CELEX2,1996). The order of the...
Scientific research of computational text analysis started in the 1950s when the most advanced computer technology used punched cards and tabulation machines (Stone, 1997). Since then, computational approaches into text and language research have been improving...
Viral hepatitis B (HBV) is a silent public health problem. Globally, over two billion are infected with HBV, 360 million chronic carriers with an estimated 800,000 annual death by liver cancer/cirrhosis. 78% of liver cancer and 57% of cirrhosis is attributable to HBV....
Improvement in imaging technique has resulted in detection o f increased number of adrenal incidentalomas, thus they are being found incidentally in millions o f people w orldw ide2. It is a common problem; up to 7% o f all patients over 60 may harbor a benign growth....
Optical coherence tomography (OCT) As a high speed, high resolution cross-sectional imaging modality, OCT has been applied in many different areas and is most successful in ophthalmology. OCT is based on a low coherence interferometry, which provides axial resolution...
Confocal microscopy Confocal microscopy is an optical imaging technique that enables 3D imaging of thick tissue. The schematic of a confocal microscope is shown in Figure 1. A point light source is used to illuminate the specimen; signal from the specimen is detected...
Localized Heating System In this post, we talk about Localized Heating System. According to the research of the Advance Research Projects Agency-Energy (ARPA-E), a significant energy saving is expected by developing Localized Thermal Management System (LTMS) when it...
Heat Energy Recycling Technique In this post, we talk about Heat Energy Recycling Technique. Technologies using renewable energy are a relatively new concept with a huge potential to increase energy efficiency. In 2014, the statistics released by U.S. Energy...
Graph Theory In this post, we talk about Graph Theory. If the interaction topology of a networked power grid is represented using a directed graph G = (V,E) with the set of nodes V = 1,2, . . . ,n and edges E ∈ V ×V, and the neighbors of an agent i are denoted by Ni =...
Human Detection and Target Location Estimation In this post, we talk about Human Detection and Target Location Estimation. The occupancy information is a crucial element in the Smart Localized Heating Control (SLHC) system. Thus, the image’s quality and type are also...
State-Based Temperature Control In this post, we talk about State-Based Temperature Control. The Smart Localized Heating Control (SLHC) system has the state-based temperature control function. Figure shows the finite state machine (FSM) that is embedded in the Smart...
Thermal Sensation Analysis In this post, we talk about Thermal Sensation Analysis. Thermal sensation is one of the important inputs for regulating the heater’s operation. Inparticular, the temperature measurement is critical factor when the target person enters the...
Heater’s Movement Control In this post, we talk about Heater’s Movement Control. In the SLHC system, the heater tracks the person’s movement by using servo motors. The servo sub-controller generates the servo control outputs based on the signal from the main and...
Heat Energy Collection Using Thermoelectric Device In this post, we talk about Heat Energy Collection Using Thermoelectric Device. The energy conversion is the fundamental aspect of the energy recycling. For instance, the electricity is generated by the kinetic or...
Instructor Pilot Interviews Studying pilot fatigue through flight dynamics has never been attempted before which manifests one question, where to start? For a study on pilot fatigue in which none of the researchers had any flying experience, it made sense to begin by...
Pilot fatigue has been proven to be the cause of many aviation accidents. Fatigue introduces error into the pilot’s inputs, which can potentially lead to accidents. To date,fatigue has been widely researched through physiological variables and sleep studies. Often,...
Smart Thermostat In this post, we talk about Smart Thermostat. Smart thermostat is a typical example of the automated HVAC operation control technologies. The smart thermostat is developed to adjust the set point temperature automatically respecting the user’s comfort...
Signal Model and Problem Statement In this post, we talk about Signal Model and Problem Statement. The Nyquist bandwidth is denoted by W and it is composed of K disjoint. sub-bands representing the PU’s. The bandwidth of each sub-band is upper bounded by B Hz...
First Generation The first generation CT scanners consisted of a dedicated head scanner with a water filled box. Pencil-width collimated beams of X-ray were used and these were detected on the opposite side using a single detector. The width of the X-ray beam was 3 mm...
In 1988, Mansfield et al. published a method to reduce the full field of view FOV and allow what was termed “zonal image magnification for EPI” (ZEPI) [90] Mansfield considered two reduced FOV pulse sequence designs for echo planar imaging (EPI) in this publication to...
Rapid Volumetric OCT Image Acquisition transformations, such as wavelet and discrete cosine transforms. The popular JPEG-2000 image compression algorithm implements a version of the decimated wavelet transform with great success. During the compression stage, many of...
Breast Cancer According to the American Cancer Society, breast cancer is the most commonly detected type of malignant tumor in women. For 2014, more than 230,000 new cases are expected to be diagnosed, amounting to 29% of the total number of new cancer cases in women....
Computer-aided diagnosis (CAD) Figure 1.1: An Ophthalmic imaging system for the Retina (anterior portion of the eye). The acquired image is called a fundus image. has become a vital part of medical evaluations and pathology detection in the United States [1]....
Magnetic resonance imaging (MRI) is a powerful non-invasive imaging modality, but is relatively slow compared to alternatives such as X-ray and ultrasound. Accelerating MRI scans has been of the great interest over the past several years and the acceleration of upper...
