Deformation Models for Image Recognition
IEEE Transactions on Pattern Analysis and Machine Intelligence
The MIR flickr retrieval evaluation
MIR '08 Proceedings of the 1st ACM international conference on Multimedia information retrieval
QbS: searching for known images using user-drawn sketches
Proceedings of the international conference on Multimedia information retrieval
Sketch-based image matching Using Angular partitioning
IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans
An interactive paper and digital pen interface for query-by-sketch image retrieval
ECIR'12 Proceedings of the 34th European conference on Advances in Information Retrieval
A user interface for query-by-sketch based image retrieval with color sketches
ECIR'12 Proceedings of the 34th European conference on Advances in Information Retrieval
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With the increasingly growing size of digital image collections, known image search is gaining more and more importance. Especially in collections where individual objects are not tagged with metadata describing their content, content-based image retrieval (CBIR) is a promising approach, but usually suffers from the unavailability of query images that are good enough to express the user's information need. In this paper, we present the QbS system that provides CBIR based on user-drawn sketches. The QbS system combines angular radial partitioning for the extraction of features in the user-provided sketch, taking into account the spatial distribution of edges, and the image distortion model. This combination offers several highly relevant invariances that allow the query sketch to slightly deviate from the searched image in terms of rotation, translation, relative size, and/or unknown objects in the background. To illustrate the benefits of the approach, we present search results from the evaluation of the QbS system on the basis of the MIRFLICKR collection with 25,000 objects and compare the retrieval results of pure metadata-driven approaches, pure content-based retrieval using different sketches, and combinations thereof.