Abstract: An image displaying device includes: a display section cyclically switching a plurality of image streams, thereby time-divisionally displaying the plurality of image streams, each of the plurality of image streams being provided for corresponding one of a plurality of shutter mechanisms performing opening-closing operations at timings different from each other; and a dithering processing section performing a dithering process on a plurality of input images by using a plurality of masks, each of the plurality of masks having a pattern of two-dimensionally-arranged grayscale values, the pattern differing from a pattern of another mask, and then supplying a plurality of resultant images produced through the dithering process to the display section. The dithering processing section controls the dithering process in such a manner that the plurality of masks are sequentially and cyclically switched in synchronization with shutter open timings for each of the shutter mechanisms.

Abstract: Provided is a stereoscopic video presenting apparatus including: an eye movement measurement unit configured to measure an eye movement of each of users viewing the stereoscopic video; a user count determination unit configured to determine the number of users viewing a same stereoscopic video; and a failure state determination unit configured to compare, when the user count determination unit determines that the number of users viewing the same stereoscopic video is plurality, eye movements of a plurality of users to determine a user whose eye movement is in a failure state among the plurality of users.

Abstract: A display control circuit includes a device driving unit that alternately writes a left video image and a right video image in a time-division manner to a light modulating device, a light source driving unit that increases or reduces the brightness of a light source that emits light passing through the light modulating device, a shutter eyeglass driving unit that provides shutter eyeglasses with a shutter driving signal, and a control unit that instructs the light source driving unit to reduce the brightness of the light source in the duration of a switchover between the left video image and the right video image for the light modulating device or instructs the light source driving unit to increase the brightness of the light source in the duration in which the left video image or the right video image is written solely to the light modulating device.