Patent ID: 7623714
Filing Date: 2009-11-24
Classification: G06K

Abstract:
1. A form recognition system for identifying which of a plurality of previously registered forms corresponds to a search form, each of the registered forms containing multiple pages, the search form containing multiple page images, the form recognition system comprising: feature obtaining means for obtaining page feature values from each page image contained in the search form; similarity calculating means for calculating, in a predetermined page order, page similarity value representing similarity between the page feature value obtained from one of the page images contained in the search form and page feature value of a corresponding page contained in one of the registered forms of candidates, wherein the page feature value contained in the registered forms include at least one of size, position and number of table frames in the registered form; target-form selecting means for removing one of the registered forms from the candidates when the page similarity value between the page feature value obtained from one of the page images contained in the search form and the page feature value of the corresponding page contained in one of the registered forms is smaller than a predetermined value; and form determining means for repeatedly processing each page of the search form in the predetermined page order using the similarity calculating means and the target-form selecting means, and determining one of the registered forms corresponding to the search form from among the candidates not removed by the target-form selecting means.