Abstract: Disclosed herein is a document image analysis apparatus including: a document image acquisition unit configured to acquire a document image; a region detection unit configured to detect a plurality of regions from the document image acquired by the document image acquisition unit; a clustering unit configured to cluster the plurality of regions detected by the region detection unit to integrate into a cluster; and a reading order assignment unit configured to assign a reading order to a plurality of regions belonging to the cluster within the cluster integrated by the clustering unit.

Abstract: Disclosed herein is an information processing apparatus including: a training data acquisition unit configured to acquire training data; an input channel setting unit configured to set a plurality of input channels for inputting different features, respectively, from the training data acquired by the training data acquisition unit to a learning model to be trained with the training data; and a training unit configured to, in each training, randomly select, among the plurality of input channels set by the input channel setting unit, at least a part of the input channels, and deactivate an input from the selected input channel to the learning model to repeat training of the learning model.

Abstract: Disclosed herein is a document image analysis apparatus including: a document image acquisition unit configured to acquire a document image; a region detection unit configured to detect a plurality of regions from the document image acquired by the document image acquisition unit; a clustering unit configured to cluster the plurality of regions detected by the region detection unit to integrate into a cluster; and a reading order assignment unit configured to assign a reading order to a plurality of regions belonging to the cluster within the cluster integrated by the clustering unit.