A Robust Algorithm for Text String Separation from Mixed Text/Graphics Images
IEEE Transactions on Pattern Analysis and Machine Intelligence
Image collections in the design studio
The electronic design studio
Content-Based Image Retrieval at the End of the Early Years
IEEE Transactions on Pattern Analysis and Machine Intelligence
Indexing Flower Patent Images Using Domain Knowledge
IEEE Intelligent Systems
Analysis of Engineering Drawings: State of the Art and Challenges
GREC '97 Selected Papers from the Second International Workshop on Graphics Recognition, Algorithms and Systems
Treatment of Diagrams in Document Image Analysis
Diagrams '00 Proceedings of the First International Conference on Theory and Application of Diagrams
Indexing Technical Drawings Using Title Block Structure Recognition
ICDAR '01 Proceedings of the Sixth International Conference on Document Analysis and Recognition
Chart Analysis and Recognition in Document Images
ICDAR '01 Proceedings of the Sixth International Conference on Document Analysis and Recognition
Information Extraction from Complex Circular Charts
ICDAR '01 Proceedings of the Sixth International Conference on Document Analysis and Recognition
Automatic categorization of figures in scientific documents
Proceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries
An Outward-Appearance Patent-Image Retrieval Approach Based on the Contour-Description Matrix
FCST '07 Proceedings of the 2007 Japan-China Joint Workshop on Frontier of Computer Science and Technology
Image retrieval: Ideas, influences, and trends of the new age
ACM Computing Surveys (CSUR)
Segregating and extracting overlapping data points in two-dimensional plots
Proceedings of the 8th ACM/IEEE-CS joint conference on Digital libraries
Automated analysis of images in documents for intelligent document search
International Journal on Document Analysis and Recognition
Automatic extraction of data points and text blocks from 2-dimensional plots in digital documents
AAAI'08 Proceedings of the 23rd national conference on Artificial intelligence - Volume 2
Patent images - a glass-encased tool: opening the case
Proceedings of the 12th International Conference on Knowledge Management and Knowledge Technologies
Toward a model of domain-specific search
Proceedings of the 10th Conference on Open Research Areas in Information Retrieval
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Drawings are an important component of patents, and many search tasks in the intellectual property domain rely on the comparison of patent drawings. In this paper, we begin with a review of algorithms developed for the automated retrieval of similar images in the patent domain. There is however a larger body of research dedicated to analysis and retrieval of images found in technical documents that is also applicable to the images found in patents. We present an overview of this research for technical drawings, diagrams, charts, plots and chemical structures. Finally, we discuss the evaluation of image retrieval for patents, including short descriptions of the new patent image evaluation tasks in the CLEF-IP and TREC-CHEM evaluation campaigns in 2011.