Perceptual Metrics for Image Database Navigation

Name: Perceptual Metrics for Image Database Navigation
Brand: Springer, Berlin
SKU: 9780792372196
Price: 177.77 EUR
Availability: InStock

Автор: Yossi Rubner, Carlo Tomasi

Език:

Корици: С твърди корици

Издател: Springer, Berlin

Наличност: Външен склад в ограничено количество

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The increasing amount of information available in today's world raises the need to retrieve relevant...

Информация за книгата

Автор

Yossi Rubner, Carlo Tomasi

Език

Английски език

Корици

Книга - С твърди корици

Издадена

2000

страници

137

EAN

9780792372196

ISBN

0792372190

Enbook ID

05250900

Издател

Springer, Berlin

Теглоt

422

Размери

155 x 235 x 11

Пълно описание

The increasing amount of information available in today's world raises the need to retrieve relevant data efficiently. Unlike text-based retrieval, where keywords are successfully used to index into documents, content-based image retrieval poses up front the fundamental questions how to extract useful image features and how to use them for intuitive retrieval. We present a novel approach to the problem of navigating through a collection of images for the purpose of image retrieval, which leads to a new paradigm for image database search. We summarize the appearance of images by distributions of color or texture features, and we define a metric between any two such distributions. This metric, which we call the "Earth Mover's Distance" (EMD), represents the least amount of work that is needed to rearrange the mass is one distribution in order to obtain the other. We show that the EMD matches perceptual dissimilarity better than other dissimilarity measures, and argue that it has many desirable properties for image retrieval. Using this metric, we employ Multi-Dimensional Scaling techniques to embed a group of images as points in a two- or three-dimensional Euclidean space so that their distances reflect image dissimilarities as well as possible. Such geometric embeddings exhibit the structure in the image set at hand, allowing the user to understand better the result of a database query and to refine the query in a perceptually intuitive way.

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Perceptual Metrics for Image Database Navigation

Информация за книгата

Пълно описание

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Клиенти, които купиха тази книга, купиха също