Handling system and device for determining a state of a slip

摘要

An image reading apparatus capable of shortening the reading processing time in image reading of high definition. In an image reading apparatus having a plurality of reading definition values, the state of a reading subject is monitored with first definition. On the basis of a result of the monitoring, image reading is conducted with second definition higher in definition than the first definition. A function of giving a stillness determination on an image of low definition is added. Switchover of the image to the high definition and read processing start are automatically carried out.