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.
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Showing 1 to 20 of 47 for “"Content-Based Image Retrieval"”.
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Preprocessing for content-based image retrieval
The research focuses on image retrieval problems where the query is formed as an image of a specific object of interest. The broad aim is to investigate pre-processing for retrieval of images of objects when an example image containing the object is given. The object may be against a variety of …
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Feature histograms for content-based image retrieval
… System zur Bildsuche namens SIMBA - Search IMages By Appearance, und zur Briefmarkenerkennung und Suche nach ähnlichen Motiven. Letztere Anwendung demonstriert zudem, daß der gewählte allgemeine Ansatz leicht durch applikationsspezifisches Wissen ergänzt werden kann.
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Content Based Image Retrieval From Microscope Slides
… call connected clustering. It groups neighboring images that are similar, allowing the system to treat them as a single unit. I show that this improves the response time of the system and reduces redundancy in the results displayed to the end-user.
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RELEVANCE FEEDBACK TECHNIQUES FOR CONTENT-BASED IMAGE RETRIEVAL
… attributes of the features to be used for retrieval, the query formulation process may not be transparent to him. In particular, without detailed knowledge of the collection make-up and retrieval environment, most users find it difficult to formulate queries that are well designed for …
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A Content-Based Image Retrieval System for Fish Taxonomy
… technology. In this paper, we propose a content-based image retrieval system for taxonomic research. The system can identify representative body shape characters of known species based on digitized landmarks and provide statistical clues for assisting taxonomists to identify new species …
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Eye Tracking: A Perceptual Interface for Content Based Image Retrieval
… The thesis first explores gaze behaviour on images possessing different levels of saliency. Eye behaviour was predominantly attracted by salient locations, but appears to also require frequent reference to non-salient background regions which indicated that information from scan paths might …
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Color, Texture, and Shape Features for Content-Based Image Retrieval
… work are towards the development of a prototype content-based retrieval system, the Multimedia Analysis and Retrieval System (MARS), a joint effort by several research groups under the Digital Library Initiative. In MARS, we have developed and implemented a shape-matching method that is very fast …
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Classification of Carpiodes Using Fourier Descriptors: A Content Based Image Retrieval Approach
… The current state of computer technology makes image storage and retrieval possible on a global level. As a result, computer-aided taxonomy is now possible. Content based image retrieval techniques utilize visual features of the image for classification. By utilizing image content and computer …
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An Intelligent Agent Based Spoken Dialog System for Content Based Image Retrieval
… idea by building a spoken dialog interface for a content-based image retrieval system. An evaluation of the system was conducted, and a relatively robust performance was achieved.
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A framework for understanding user interaction with content-based image retrieval: model, interface and users
… essential to the communication between users and content-based image retrieval (CBIR) systems. User interaction covers three key elements: an interaction model, an interactive interface and users. The three key elements combine to enable effective interaction to happen. Many studies have …
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Local selection of features and its applications to image search and annotation
… is crucial for many applications, such as content-based image retrieval and automated image annotation. However, due to the existence of noisy or irrelevant features, errors introduced into similarity measurements are detrimental to the neighborhood quality of data objects. One way to …
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Children's Color Association for Digital Image Retrieval.
… been focused on developing mature information retrieval systems that abstract information automatically from the contents of information resources, such as books, images and films. As a subset of information retrieval research, content-based image retrieval systems automatically abstract …
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Content Based Integration of *Construction Site Images in AEC/FM Model Based Systems
… dissertation, an automated methodology for the retrieval, classification, and integration of construction images in AEC/FM model based systems will be presented. Specifically, a combination of techniques from the areas of image processing, computer vision, and content-based image retrieval have …
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Color image quality measures and retrieval
The focus of this dissertation is mainly on color image, especially on the images with lossy compression. Issues related to color quantization, color correction, color image retrieval and color image quality evaluation are addressed. A no-reference color image quality index is proposed. A novel …
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Investigation of KimiaNet's and DenseNet's deep features in lung cancer subtypes
… One of which is to act as feature extractors for content-based image retrieval (CBIR) systems. Therefore, it is necessary to investigate how these deep features work and attribute these features to histologic patterns. This study showed that the median of deep feature value could serve as a simple …
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Backdrop Explorer: A Human-AI Collaborative Approach for Exploring Studio Backdrops in Civil War Portraits
… (1861 -- 1865), we present Backdrop Explorer, a content-based image retrieval (CBIR) system incorporating computer vision and novel user interactions. We evaluated Backdrop Explorer on nine users of diverse experience levels and found that all were able to effectively utilize Backdrop Explorer to …
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Imagina : a cognitive abstraction approach to sketch-based image retrieval
… gather an increasingly large number of digital images. As a collection grows to more than a few hundred images, the need for search becomes crucial. This thesis is addressing the problem of retrieving from a small database a particular image previously seen by the user. This thesis combines …
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