The architecture of TrueViz: a groundTRUth/metadata editing and VIsualiZing ToolKit

Tools for visualizing and creating groundtruth and metadata are crucial for document image analysis research. In this paper we describe TrueViz [LK00, KLCB01], which is a tool for visualizing and editing groundtruth/metadata. We rst describe the groundtruthing task and the requirements for any interactive groundtruthing tool. Next we describe the system design of TrueViz and discuss how a user can use it to create groundtruth. TrueViz is implemented in the Java programming language and works on various platforms including Windows and Unix. TrueViz reads and stores groundtruth/metadata in XML format, and reads a corresponding image stored in TIFF image le format. Multilingual text editing, display, and search modules based on the Unicode representation for text are also provided. This software is being made available free of charge to researchers. This research was funded in part by the Department of Defense under Contract MDA0949-6C-1250, Lockheed Martin under Contract 9802167270, the Defense Advanced Research Projects Agency under Contract N660010028910, and the National Science Foundation under Grant IIS9987944. Report Documentation Page Form Approved OMB No. 0704-0188 Public reporting burden for the collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to a penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. 1. REPORT DATE FEB 2001 2. REPORT TYPE 3. DATES COVERED 00-02-2001 to 00-02-2001 4. TITLE AND SUBTITLE The architecture of TRUEVIZ: A groundTRUth/metadata Editing and VisualiZing toolkit 5a. CONTRACT NUMBER