Content-based retrieval from trademark databases
Pattern Recognition Letters
Practice and challenges in trademark image retrieval
Proceedings of the 6th ACM international conference on Image and video retrieval
Trademark matching and retrieval in sports video databases
Proceedings of the international workshop on Workshop on multimedia information retrieval
LogoSeeker: a system for detecting and matching logos in natural images
Proceedings of the 15th international conference on Multimedia
Soccer video processing for the detection of advertisement billboards
Pattern Recognition Letters
Efficient logo retrieval through hashing shape context descriptors
DAS '10 Proceedings of the 9th IAPR International Workshop on Document Analysis Systems
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In this technical demonstration we show the current version of our trademark detection and recognition system that has been developed in collaboration with a sport marketing firm1 with the aim of evaluating the visibility of advertising trademarks in broadcast sporting events. We propose a semi-automatic system for detecting and retrieving trademark appearances in sports videos. A human annotator supervises the results of the automatic annotation through an interface that shows the time and the position of the detected trademarks; due to this fact the aim of the system is to provide a good recall figure, so that the supervisor can safely skip the parts of the video that have been marked as not containing a trademark, thus speeding up his work.