The filename appears to be a video file, likely captured by a Nikon digital camera (which typically uses the "DSCN" prefix) and then saved or downloaded from a browser (indicated by the "[1]" suffix).
: This is likely a personal video from your computer or camera. Because it is not a publicly hosted file or a known dataset, I cannot "watch" or describe what is inside it. DSCN2704[1].mp4
[1908.07135] An End-to-end Video Text Detector with Online Tracking. The filename appears to be a video file,