Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 135 for “"Video analysis"”.
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Graphical Models for Video Analysis
U of I Only
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Crime Detection from Pre-crime Video Analysis
… indicative of shoplifting, through the advanced analysis of CCTV video data. The study introduces an innovative approach that leverages augmented human pose and emotion information within individual frames, combined with the extraction of activity information across subsequent frames, to enhance …
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Image and video analysis techniques for cellular microscopy
… for unbiased and repeatable quantitative analysis. These algorithms are the stepping stones in bioimage informatics to turn the image data into biological knowledge. Unique challenges posed by different imaging modalities and cell dynamics require a combination of accurate detection, …
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Extracting fluid properties through high-speed video analysis
… by analyzing refractive motion in high speed video. We present a method of extracting fluid properties by performing video motion analysis using an automated wavelength matching filter followed by fitting of the measurements to theoretical capillary-gravity wave dispersion equations. This …
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Evolving Video Analysis: From Object Perception to Holistic Understanding
The domain of video content analysis has experienced rapid advancements due to the proliferation of digital video content and the evolving capabilities of computer vision technologies. Despite these advancements, significant challenges remain in both video object perception and holistic video …
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Multiple View Geometry For Video Analysis And Post-production
… applications in this area. Examples include video post-production, scene reconstruction, registration, surveillance, tracking, and segmentation. In video post-production, which is the topic being addressed in this dissertation, computer analysis of the motion of the camera can replace the …
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How Does Video Analysis Impact Teacher Reflection-for-Action?
… 2002). This current study analyzes an innovative video-enhanced reflection process focused on improving teacher reflection. Video-enhanced reflection is a process that uses video analysis to stimulate reflective thought. The primary question of this study is "How does video analysis used in the …
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World Karate Federation championship kumite characteristics determined through video analysis
… are effective and functional. In this regard, video analysing technology may play a prominent role in attaining and analysing real competition data. It is against this background that the objective of the study was firstly, to determine the kumite characteristics of WKF championship karatekas …
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Moving object detection and tracking for event-based video analysis
… in the computer vision community towards video understanding, in particular towards visual event recognition...This dissertation surveys different taxonomies of motion understanding problems, identifies the major components in an automated visual event recognition system, and presents the …
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HAMSTRING INJURIES IN FOOTBALL: A COMPLEX SYSTEMS APPROACH THROUGH VIDEO ANALYSIS
… through a complex systems approach, using video analysis to integrate biomechanical, contextual, and perceptual-cognitive dimensions of the injury-inciting event. In doing so, the thesis contributes to the second step of the “sequence of prevention” by providing ecologically valid …
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Audio-visual football video analysis, from structure detection to attention analysis
Sport video is an important video genre. Content-based sports video analysis attracts great interest from both industry and academic fields. A sports video is characterised by repetitive temporal structures, relatively plain contents, and strong spatio-temporal variations, such as quick camera …
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Deep Video Analysis Methods for Surgical Skills Assessment in Cataract Surgery
… evaluation in cataract surgery using raw surgery videos that can supplement human review. An advanced convolutional neural network model is leveraged in this work and was evaluated using a large custom dataset. Videos from four phases in cataract surgery were used to quantify the model …
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Mist to annular flow development quantified by novel video analysis methods
A mathematical image analysis technique has been developed which allows quantitative measurements of the film and droplets found in annular-mist flows to be extracted from a single video. This method allows measurements to be made without altering the internal geometry or flow path. Flow parameters …
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Automating Video Analysis for Marine and Behavioural Research: Deep Learning Solutions to Analytical Bottlenecks
… insight from information-rich datasets such as video recordings. This thesis develops and validates deep learning methods to address this bottleneck, demonstrating how YOLO-based object detection can accelerate inference in video analysis and enable novel analyses. Chapter 2 presents an …
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Video analysis in collaborative teacher reflection: Critical inquiry of pedagogical impact in an international school project
… of this research was to observe the addition of video analysis as a tool in collaborative reflection as teachers worked through a series of lessons that formed a shared international school project. Specifically, the focus was on investigating how collaborative reflection, with the inclusion of …
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Effects of Transparency and Haze on Trust and Performance During a Full Motion Video Analysis Task
… activity within a series of full motion video (FMV) clips, aided by an automated analyst. The experimental setup was intended to replicate Level 5 automation (Sheridan & Verplank, 1978). Reliability of the automated analyst was primed to participants as 78% historical accuracy. For each …
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Developing a common understanding of a teacher competency framework through video analysis : experiences of Victorian regional independent middle school teachers
… to investigate the effectiveness of feedback and analysis structured around the framework, using video recordings taken from classroom observations. A group of eight Middle School teachers participated actively in the study to determine how the use of video-stimulated reflective processes might …
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Student involvement in science in the junior primary school: a video-analysis of a multi-grade classroom setting in Ireland
… and as the researcher is also the class teacher video recordings of the lessons were utilised to facilitate the gathering and analysis of data. The findings of the research indicate that the content of the Revised Primary School Curriculum for science provides highly appropriate and enjoyable …
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Video-analysis inference automated ECG (VID-ECG): improving video-based heart rate detection and exposing security risks of ECG-based biometric authentication
… information can be extracted easily using our video-based non-contact method and expose the vulnerability of such biometric security protocols. We propose a novel method called Video-analysis Inference Automated ECG (VID-ECG) for pulse extraction by facial video processing. Our al- gorithm …
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Turf Talk: Injury Rates, Mechanisms, and Prevention in Adolescent Field Hockey
… adolescent field hockey players. Project A: Game Video Analysis Objective: To describe physical contact (PC) incidence rates (IR), PC types, PC intensity, and suspected injury (SI) IRs in female adolescent high school (HS) and club field hockey (FH). Methods: Video analysis of HS and club FH …
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