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 37 for “"image video"”.
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Efficient Indexing, Browsing and Retrieval of Image /Video Content
… extraction and representation techniques for images and videos; (ii) introduction of relevance feedback techniques to image retrieval, which greatly improves the retrieval performance and alleviates the user's query formulation burden; and (iii) introduction of a video hierarchical structure …
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Low Cost Algorithms for Image/Video Coding and Rate Control
… cost and low encoding delay algorithms for image/video coding and for the rate control problem. Ten algorithms and four estimates are proposed which can be classified along three main streams. In the first stream, three algorithms are designed for indirectly optimizing the visual quality for …
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Vector Field Manipulations in Three-Dimensional Time-Varying Flow Data Compression and Image/video Editing
We propose an image editing system that decouples feature position from pixel color generation to achieve a morph that preserves texture detail and orientation near the dragged silhouette, synthesized using the original image as an anisotropic texture. We introduce a new distortion to patch-based …
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Hybrid DWT-DCT algorithm for image and video compression applications
Digital image and video in their raw form require an enormous amount of storage capacity. Considering the important role played by digital imaging and video, it is necessary to develop a system that produces high degree of compression while preserving critical image/video information. There are …
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Intelligent vision marketplace : feasibility study
… This report looks into currently available image/video processing applications and dive into the latest and greatest tool available. The outcome of this study will be a prototype of this marketplace along with my findings on availability of polished tools and an insight into the performance …
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Advanced Statistical Learning Methods in Image Processing
… collected in a wide range of applications, e.g., ImageNet in natural image processing and Human Connectome Project in computational neuroscience. These big and complex imaging datasets have facilitated a surge of interest in image processing at the interplay of statistics, computer vision, and …
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Investigation of Different Video Compression Schemes Using Neural Networks
Image/Video compression has great significance in the communication of motion pictures and still images. The need for compression has resulted in the development of various techniques including transform coding, vector quantization and neural networks. this thesis neural network based methods are …
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Multimedia Security and Copyright Protection
… the statistical behavior of MPEG compressed video. The statistical analysis of MPEG compressed video streams shows that the plain-text of compressed video has its own unique properties and is very different from text and other data types. This statistical analysis triggered our development of …
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Design and analysis of a high-rate acoustic link for underwater video transmission
A high bit rate acoustic link for underwater video transmission is examined. Currently, encoding standards support video transmission at bit rates as low as 64 kbps. While this rate is still above the limit of commercially available acoustic modems, prototype acoustic modems based on phase coherent …
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A GAN-BASED HUMAN UV COORDINATES ESTIMATION
In image or video generation tasks that involve people, it is crucial to obtain accurate representations of the 3D human shape and appearance for efficient generation of modified content. Human UV coordinates estimation establishes correspondences between 3D human body surface representations and …
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Exploring the Extent to Which the Utilization of Technology Has Facilitated the Increased Possession of Online Child Pornography over Time
… significant relationships to either increased image/video amount or increased usage of that particular technology over time. This study concludes with policy implications and future research recommendations based on this study’s findings.</p>
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Super Greedy Type Algorithms and Applications In Compressed Sensing
… is already in serious numerical use, such as image/video processing, solution of operator equations, and etc. For instance, greedy approximation serves as one of the fundamental tools in sparse signal recovery. Using the super-greedy idea, we build new recovery algorithms in Compressed Sensing …
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Counting animals in ecological images
… This involves analyzing large volumes of image, video or audio data and manual counting. Automating the process of counting animals would be invaluable to researchers as it will eliminate the tedious time-consuming task of counting. The purpose of this dissertation is to address manual …
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Customer engagement on Instagram brand pages in the make-up cosmetics industry
… The results indicated that content that included image/video of products was positively related to customer engagement compared to other content. Highly vivid posts were positively related to the numbers of comments and negatively related to the numbers of likes. Question-based texts under …
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Techniques for the Development of Time-Constraint Telemetric Data Processing System
… compression techniques are introduced for image, video and audio data compression. Lossless methods are less effective when compared with their lossy counterparts, but they provide perfect quality and still offer compression ratio in range from 1.5 to 10. With increasing of available …
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Visual communications on a memory-embedded array processor: The Computational*RAM.
In this thesis, image and video processing algorithms, especially the compression algorithms, are first studied in their natural formats to appreciate the needs for real-time operations and hence, parallel computing. The computational intense, memory-bound problems are next approached from two …
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One-vector representations of stochastic signals for pattern recognition
… deal with stochastic signals such as speech, image, video, and so forth. Often, a stochastic signal is ideally of a one-vector form so that it appears as a single data point in a possibly high-dimensional representational space, as the majority of pattern recognition algorithms by design …
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Model Acceleration for Efficient Deep Learning Computing
… many areas such as protein structure prediction, image/video synthesis, code generation, ChatBot, etc. However, their computation and memory costs grow dramatically. It makes deploying these foundation models on real-world applications difficult, especially for resource-constrained edge devices. …
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Energy-Efficient Neural Network Hardware Design and Circuit Techniques to Enhance Hardware Security
… applications such as self-driving cars, speech/image/video recognition, deep learning, etc. Today’s AI tasks are mostly performed at remote datacenters, while in the future, more AI workloads are expected to run on edge devices. To fulfill this goal, innovative design techniques are needed to …
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Connecting vision and language via image retrieval and captioning
… jointly understanding vision and language, e.g. image/video captioning, multi-modal image retrieval, visual question answering. In this thesis, we consider several problems in cross-modal learning from vision and language. First, the problem of composed query image retrieval is studied. In this …
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