Patent ID: 11900644
Assignee: RAKUTEN GROUP, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 19:
20. A non-transitory computer readable medium having stored thereon a document image analysis computer program for causing a computer to execute document image analysis processing, the computer program causing the computer to:
acquire a document image having an article, the article having at least a title and a column;
detect a plurality of regions from the document image acquired, the plurality of regions representing respective portions of the article;
classify the plurality of regions into any of a plurality of classes;
cluster the plurality of regions detected to integrate into a cluster that corresponds to a single article; classify regions belonging to a single cluster into any of a plurality of super-classes based on the classified classes of the regions, wherein the plurality of super-classes comprises a title region, a column region and an illustration region;
sort the classified regions within each of the plurality of super-classes and across the plurality of super-classes; and
assign, within a single cluster, a reading order to at least some of the sorted classified regions, the reading order being an order in which the plurality of regions are to be read in the article.