Video reproduction apparatus and method for providing haptic effects
View Patent ↗An apparatus and method for allowing a user to dynamically enjoy a video. A difference between image data is computed at every preset unit of time and a vibration corresponding to the computed difference is generated so that the user can sense a motion change of an object within the video. Upon video reproduction, scenes are displayed by applying the lighting effect of a strobe light or the like between the scenes to be reproduced. Upon video reproduction, more enjoyment and various haptic effects can be provided to the user.
1. A video reproduction apparatus for providing haptic effects, comprising:
a display unit for displaying image data according to video reproduction;
an image-data extraction unit for extracting reference image data and image data after a given point in time from a video at every preset unit of time;
a difference computation unit for computing a difference between the reference image data and the image data after the given point in time;
a vibration-magnitude setting unit for setting vibration magnitude corresponding to the computed difference; and
a vibration generation unit for generating a vibration corresponding to the vibration magnitude during the video reproduction.
2. The video reproduction apparatus of claim 1 , further comprising:
a lighting-effect application unit for setting a video reproduction time interval when a lighting effect to be applied upon video reproduction is selected, and applying the lighting effect to frames corresponding to a reproduction time.
3. The video reproduction apparatus of claim 2 , wherein the display unit displays a given number of video frames during the reproduction time and displays frames to which the lighting effect has been applied during the reproduction time.
4. The video reproduction apparatus of claim 2 , wherein the lighting effect is one of blackout, image inversion, and luminance control.
5. The video reproduction apparatus of claim 3 , wherein the lighting effect is one of blackout, image inversion, and luminance control.
6. The video reproduction apparatus of claim 2 , wherein the lighting-effect application unit outputs the lighting effect by turning on/off a lighting element mounted in the video reproduction apparatus at the video reproduction time interval.
7. A method for providing haptic effects in a video reproduction apparatus, comprising the steps of:
displaying image data according to video reproduction;
extracting reference image data and image data after a given point in time from a video at every preset unit of time;
computing a difference between the reference image data and the image data after the given point in time;
setting vibration magnitude corresponding to the computed difference; and
generating a vibration corresponding to the vibration magnitude during the video reproduction.
8. The method of claim 7 , further comprising:
setting a video reproduction time interval when a lighting effect to be applied upon video reproduction is selected; and
applying the lighting effect to frames corresponding to a reproduction time.
9. The method of claim 8 , wherein a given number of video frames are displayed during the reproduction time and frames to which the lighting effect has been applied are displayed during the reproduction time.
10. The method of claim 8 , wherein the lighting effect is one of blackout, image inversion, and luminance control.
11. The method of claim 9 , wherein the lighting effect is one of blackout, image inversion, and luminance control.
12. The method of claim 7 , further comprising:
setting a video reproduction time interval when a lighting effect to be applied upon video reproduction is selected; and
outputting the lighting effect by turning on/off a lighting element mounted in the video reproduction apparatus at the video reproduction time interval.