In this situation, after the light turns green and the pedestrians leave the crossing, can you enter the intersection?

In the situation presented, the general S-1 traffic signal displays a green light, which is visible from the 9th frame of the video. According to § 95 para. 1 point 1 of the Regulation on road signs and signals, a green signal means permission to pass the signal. Since there is no visible congestion on the intersection that would prevent you from leaving it, you have the right to enter the junction.