Koninklijke Philips Corporation N.v.

Devrim Unay

Ahmet Ekin

The invention relates to a method, a system () and a computer program product to identify a particular data object of a data type in a database () that comprises data objects of the data type. The system () comprises a query composition unit () to compose a search query to identify a candidate data object being a candidate for the particular data object. A search unit () identifies the candidate data object in the database () based on the search query. A presentation unit () presents the candidate data object to the user. A feedback receiving unit () receives user feedback on the relevance or irrelevance of a segment of the candidate data object. The search unit () further identifies an improved candidate data object in response to the received user feedback. The improved candidate data object is an improved candidate for the particular data object.

Relevance feedback on a segment of a data object

A system () includes a retrieval unit () for retrieving an image from the storage of images, on the basis of the similarity of images from the storage of images to a query image. The similarity is defined by means of a similarity function. A relevance unit () computes the relevance of a first portion of the retrieved image to a respective first portion of the query image and of a second portion of the retrieved image to the respective second portion of the query image. A visualization unit () visualizes the relevance of the first and second portion of the retrieved image to the respective first and second portion of the query image. The relevance of the first and second portion of the retrieved image to the respective first and second portion of the query image is computed using a first and second relevance function. The computed values of the relevance are visualized, e.g. using a color coding and coloring the first and second portion of each retrieved image. The colored portions are easy to see and analyze. Thus, the system facilitates visualizing and comparing retrieved images with respect to each other as well as with the query image.

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Istanbul, Turkey

Devrim Unay