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Content based image retrieval

A technology in images, images, applied in the field of search tools

Inactive Publication Date: 2009-06-17
UNIV OF WOLLONGONG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem with this approach is that all searchable images need to be preprocessed in order to export the signature

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0069] Already using Apache The Java Servlet and JavaServer Page technologies supported by the web application server implement an exemplary implementation of the present invention. It is accessed via commercial keyword-based image search services such as or Images are searched on the Internet based on their content. This implementation can be accessed using any web browser such as Internet Explorer or Mozilla / Firebox and includes a 3-step process to search for images from the Internet. In order to demonstrate the operation of the present invention, it has been applied to the above mentioned using Image to find the example of the Sydney Opera House image.

[0070] 1) The first step: if figure 2 Keyword-based search as shown in . Such as image 3 Use keywords as shown in to form an initial set of images by retrieving images from the Internet via a text-based image search service.

[0071] 2) The second step: if Figure 4 Select an example image from the initial se...

example 2

[0075] The present invention can be integrated into the desktop file manager such as Windows or Mac OS X In , both desktop file managers currently have the ability to browse image files and categorize them by image filename and other file attributes such as size, file type, etc. Typical image folders are in Figure 6 The middle picture is a thumbnail. The user selects multiple images for constructing a query set by highlighting the image that is closest to the desired image. exist Figure 7 In the example, the user has selected an image with the Sydney Harbor Bridge as the background for the Sydney Opera House.

[0076] The user then runs the image retrieval program, conveniently implemented as a plug-in. exist Figure 6 and Figure 7 Activate the invention by clicking the tick icon 9 on the toolbar.

[0077] in conclusion

[0078] The content-based image retrieval method described above has many advantages over prior art systems, these advantages include:

[007...

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Abstract

A content based image retrieval system that extracts images from a database of images by constructing a query set of features and displaying images that have a minimum dissimilarity metric from images in the database. The dissimilarity metric is a weighted summation of distances between features in the query set and features of the images in the database. The method is useful for image searching such as web-based image retrieval and facial recognition.

Description

[0001] The invention relates to a search tool for image retrieval. In particular, the present invention relates to a method for retrieving images based on their content. Background technique [0002] One of the greatest challenges faced in the information age lies in the problem of identifying desired information from the vast amount of information available, especially via the World Wide Web. Many text-based search engines have been developed and deployed. The most well-known of these engines is the popular search engine that retrieves pages from the World Wide Web using keyword searches. These engines include and [0003] Although it is said that a picture is worth more than ten thousand words, image retrieval technology cannot be considered as advanced as text-based retrieval technology. There are still significant problems in retrieving images from large image sets. It is no longer practical for the user to browse through thumbnail collections to select the desired...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F17/30247G06K9/627G06F16/583G06F18/2413
Inventor 菲利普·奥贡博纳叶雷
Owner UNIV OF WOLLONGONG
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