Document image scanning apparatus and method thereof

Abstract

A document image scanning apparatus which can obtain a document image at the right timing by separating a hand image from the document image, even when a hand does not take off a document. The document image scanning apparatus consists of an image inputting apparatus and a document image scanning section. The document image scanning section consists of an image memorizing section, a movement detecting section, an image being still detecting section detecting that an inputted image became still, a hand region detecting section that detects the hand region, a hand region removing section that removes the hand region detected at the hand region detecting section, a hand movement feature extracting section that extracts features of hand movements, a document movement feature extracting section that extracts features of document movements, a turning pages or moving documents judging section that judges whether the movement is turning pages or moving documents by the features extracted at the hand movement feature extracting section and the document movement feature extracting section, a document region judging section that judges the document region based on the turning pages or moving documents movement, and a document image forming section that obtains a document image by cutting out the document image displayed when the inputted image being still is detected.