Intellectual property information: A comparative analysis of main information providers
Journal of the American Society for Information Science and Technology
Retrieval of trademark images by means of size functions
Graphical Models - Special issue on the vision, video and graphics conference 2005
Component-based visual clustering using the self-organizing map
Neural Networks
Practice and challenges in trademark image retrieval
Proceedings of the 6th ACM international conference on Image and video retrieval
Shape feature matching for trademark image retrieval
CIVR'03 Proceedings of the 2nd international conference on Image and video retrieval
Efficient logo retrieval through hashing shape context descriptors
DAS '10 Proceedings of the 9th IAPR International Workshop on Document Analysis Systems
Interactive trademark image retrieval by fusing semantic and visual content
ECIR'11 Proceedings of the 33rd European conference on Advances in information retrieval
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In this paper a system for multi-modal retrieval of trademark images is presented. Images are characterized and retrieved using associated text and visual appearance. A user initiates retrieval for similar trademarks by typing a text query. Subsequent searches can be performed by visual appearance or using both appearance and text information. Textual information associated with trademarks is searched using the INQUERY search engine. Images are searched visually using a method for global image similarity by appearance developed in this paper. Images are filtered with Gaussian derivatives and geometric features are computed from the filtered images. The geometric features used here are curvature and phase. Two images may be said to be similar if they have similar distributions of such features. Global similarity may, therefore, be deduced by comparing histograms of these features. This allows for rapid retrieval. The system''s performance on a database of 2000 trademark images is shown. A trademark database obtained from the US Patent and Trademark Office containing 63000 design only trademark images and text is used to demonstrate scalability of the image search method and multi-modal retrieval.