SCANNER

摘要

Provided is an image reading apparatus capable of preventing the increase of the number of components in order to detect whether a document is left behind on a document table. The image reading apparatus includes: a reading unit configured to read a medium; a control unit configured to generate a first image based on a result of a first reading which reads the medium and generate a second image based on a result of a second reading which is performed at a different timing from the first reading; and a first determination unit configured to determine presence or absence of the medium based on a comparison result of a common area between the first image and the second image.

主权项

1. An image reading apparatus comprising:
a reading unit that reads a medium; a control unit that generates a first image based on a result of a first reading which reads the medium and generate a second image based on a result of a second reading which is performed at a different timing from the first reading; and a first determination unit that determines presence or absence of the medium based on a comparison result of a common area between the first image and the second image.