{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/27097"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/27097","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Building an electronic drafting table for sketch recognition","abstract":"Sketch recognition as developed by the CSAIL Design Rationale Group allows a designer to sketch out and test design ideas without the need for complicated CAD programs. An electronic drafting table is required to capture large designs. The design of the electronic drafting table in this thesis uses linear image sensors located in the corners and triangulation to locate the exact position of the pen. The design of the sensors in the corner and the required electronics are explored in detail. 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