Minor in Control and Dynamical Systems
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Sentiment Analysis on Real-Time Twitter Feed
Attempted to evaluate the usefulness of real-time Twitter status updates for large-scale opinion mining and controversial events detection across a wide collection of present-day topics in society, by building a sentiment-analysis algorithm that can reliably classify user messages as positive or negative with respect to a specified query term.
Image Boundary Detection and Localization from Multiple Cues
Attempted to detect and localize boundaries of objects in images by using a combination of cues: texture, brightness, and color information associated with natural boundaries. Image segmentation is treated as a classification problem, with the training data being human-annotated images serving as ground truth, and the output of the classifier being the posterior probability of a pixel lying on an image boundary, based on the cue combination.
US Traffic Sign Detection and Recognition
Aimed at building a fast, reliable algorithm for US traffic sign detection and classification from a video stream with the potential to be implemented in real time, by using SIFT to detect points of interest in a frame, and a k-d tree search for keypoint matching between a query (test) frame, and a source (train) frame.
View Interpolation from Multiple Images
Given a set of reference photos of a scene, attempted to interpolate a view of the scene taken by a new camera not in the initial set. Provided with the camera parameters for each of the reference images, and a sparse point cloud including the location and normal for each point, five different methods were used for constructing some part of the output image based on the input images: ray casting, splatting, compositing, 3D meshing, and panorama stitching.
Perception of Motion in Virtual Reality
Aimed to explore the effects of changing motion perspective in virtual worlds, and how altering the laws of the familiar physical world, which users expect to be mirrored in virtual reality, relates to user confusion, disorientation or discomfort. Three different virtual reality experiments were designed with the intention of triggering a particular psychological effect, and assess how simple modifications of the environment that cause it to behave abnormally could potentially be discomforting to the user.
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