No, those are all natural movements. Objects are put under the water, whse surface is manually waved.
Not really. We have confirmed that setting SEIDecodedPictureHash to 1 increases 57 bytes/frame regardless of the video resolution; without affecting PSNR values at all. Just attach verbatim log files to your submission. We'll handle appropriately.
Yes, of course. Please e-mail the Secretariat.
Yes, the picture should be used as some kind of LTR picture. i.e., the first frame (provided frame) is encoded/decoded first and kept as one of the reference frames thereafter.
However, our codec realizes that mechanism in similar (but quite ad-hoc) manner as LTR mechanism.
No, it is not allowed. However, it sounds very interesting. You can provide the results as "FYI data".
No, encoding parameters shall not be changed. Coding structure is Lowdelay B, QP=22-37. It is aimed for the participants to solely concentrate on picture generation.