CPC G06T 3/60 (2013.01) [G06T 3/40 (2013.01); G09G 3/001 (2013.01); G09G 2340/045 (2013.01); G09G 2340/0492 (2013.01)] | 13 Claims |
1. A display apparatus controlling method comprising:
accepting input of a first image signal representing a first image;
generating a second image signal by applying a first process of rotating the first image to the first image signal in accordance with an amount of rotation of the display apparatus calculated based on an output signal from an inertial sensor fixed to the display apparatus; and
displaying on a display surface a display image corresponding to a second image based on the second image signal,
wherein after the input of the first image signal is accepted, a second process of reducing the first image by a first reduction factor is applied to the first image signal, and
the second image signal is generated by limiting a frequency band of the first image signal to which the first process is applied, and
the method further comprises accepting the first reduction factor.
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