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Articles 1 - 5 of 5
Full-Text Articles in Engineering
Retail Data Analytics Using Graph Database, Rashmi Priya
Retail Data Analytics Using Graph Database, Rashmi Priya
Theses and Dissertations--Computer Science
Big data is an area focused on storing, processing and visualizing huge amount of data. Today data is growing faster than ever before. We need to find the right tools and applications and build an environment that can help us to obtain valuable insights from the data. Retail is one of the domains that collects huge amount of transaction data everyday. Retailers need to understand their customer’s purchasing pattern and behavior in order to take better business decisions.
Market basket analysis is a field in data mining, that is focused on discovering patterns in retail’s transaction data. Our goal is …
Interactive Clinical Event Pattern Mining And Visualization Using Insurance Claims Data, Zhenhui Piao
Interactive Clinical Event Pattern Mining And Visualization Using Insurance Claims Data, Zhenhui Piao
Theses and Dissertations--Computer Science
With exponential growth on a daily basis, there is potentially valuable information hidden in complex electronic medical records (EMR) systems. In this thesis, several efficient data mining algorithms were explored to discover hidden knowledge in insurance claims data. The first aim was to cluster three levels of information overload(IO) groups among chronic rheumatic disease (CRD) patient groups based on their clinical events extracted from insurance claims data. The second aim was to discover hidden patterns using three renowned pattern mining algorithms: Apriori, frequent pattern growth(FP-Growth), and sequential pattern discovery using equivalence classes(SPADE). The SPADE algorithm was found to be the …
Intelligent Uav Scouting For Field Condition Monitoring, Hasan Seyyedhasani
Intelligent Uav Scouting For Field Condition Monitoring, Hasan Seyyedhasani
Theses and Dissertations--Electrical and Computer Engineering
Precision agriculture requires detailed and timely information about field condition. In less than the short flight time a UAV (Unmanned Aerial Vehicle) can provide, an entire field can be scanned at the highest allowed altitude. The resulting NDVI (Normalized Difference Vegetation Index) imagery can then be used to classify each point in the field using a FIS (Fuzzy Inference System). This identifies areas that are expected to be similar, but only closer inspection can quantify and diagnose crop properties. In the remaining flight time, the goal is to scout a set of representative points maximizing the quality of actionable information …
3d Human Face Reconstruction And 2d Appearance Synthesis, Yajie Zhao
3d Human Face Reconstruction And 2d Appearance Synthesis, Yajie Zhao
Theses and Dissertations--Computer Science
3D human face reconstruction has been an extensive research for decades due to its wide applications, such as animation, recognition and 3D-driven appearance synthesis. Although commodity depth sensors are widely available in recent years, image based face reconstruction are significantly valuable as images are much easier to access and store.
In this dissertation, we first propose three image-based face reconstruction approaches according to different assumption of inputs.
In the first approach, face geometry is extracted from multiple key frames of a video sequence with different head poses. The camera should be calibrated under this assumption.
As the first approach is …
Design Of A Machine Vision Camera For Spatial Augmented Reality, Matt Phillip Ruffner
Design Of A Machine Vision Camera For Spatial Augmented Reality, Matt Phillip Ruffner
Theses and Dissertations--Electrical and Computer Engineering
Structured Light Imaging (SLI) is a means of digital reconstruction, or Three-Dimensional (3D) scanning, and has uses that span many disciplines. A projector, camera and Personal Computer (PC) are required to perform such 3D scans. Slight variances in synchronization between these three devices can cause malfunctions in the process due to the limitations of PC graphics processors as real-time systems. Previous work used a Field Programmable Gate Array (FPGA) to both drive the projector and trigger the camera, eliminating these timing issues, but still needing an external camera. This thesis proposes the incorporation of the camera with the FPGA SLI …