Yes, it's a life-size Miku, just as at the live concerts, but in the home.
One day, no doubt, every home with a room large enough to accommodate the necessary technology will be able to have something like this, if so desired.
The display surface is a mosquito curtain-style mesh stretched across a metal pipe, so no expensive DILAD screen is involved. Further details are provided at the video's YouTube page.
The groundwork has now been done, and such achievements have been made possible thanks to the sheer determination and inventiveness of the Miku/Vocaloid fandom. Now it just needs to be made into kit form and sold as a complete package...