To transmit information by a picture image without causing trouble in viewing the picture image even in displaying the picture image in the foreground of a driver.
This information display device is provided with an information acquisition means to acquire information to transmit to the driver in order to transmit the information by presenting the picture image to the driver of a vehicle, a picture image formation means to form a display picture image to transmit the information in accordance with the information acquired by the information acquisition means, a picture image processing means to form a low space frequency picture image 100 excluding a space frequency component of cutoff space frequency or more capable of providing luminosity contrast sensitivity of the driver only in a specified central region out of a specified foreground region which the driver can view and a picture image display means to display the low space frequency picture image 100 formed by the picture image processing means at a display position of the region excluding the central region of the specified foreground out of the specified foreground region which the driver can view.
COPYRIGHT: (C)2007,JPO&INPIT
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Iwa Saki Kokuni
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu