Open “Batch Builder” from PTGUI’s “Tools” menu. PTGUI has a demonstration video which covers the basic stitching operation of their software. Stitch the first set of images, and then save a PTGUI project file. Make sure that your images for each frame are grouped next to one another when sorted alphabetically. When you export image sequences from each clip make sure to add “leading zeros” or “padding” so they will sort properly. Make image sequenceĬut off the beginning or end of clips to make them the same length, if you are working with multiple cameras now is the time to make sure your clips are in sync before exporting the image sequences. Also have a look at our guide on capturing background plates and at PTGUI’s video on shooting panoramas.
If using multiple cameras to capture the background be sure you are far away from any elements which can disappear when they cross from camera to camera.
Requires genlocked cameras for best temporal accuracy.Requires multiple cameras to have same lens and same settings.Things can cross from one camera’s frame to the next if they are far enough away.Lighting may not match between cameras if the plates are long enough.Things will not be able to cross seamlessly from one background to the next.Camera color should match between shots.Able to shoot without parallax (nodally).There are advantages and disadvantages to both, and you will need to weigh them for yourself. We shot our background with a single camera mounted nodally and panned to 3 positions However, multiple cameras shooting simultaneously could also be used. Notes: Multiple 4k h.264 videos will not play back perfectly in sync, and may have slightly different start and stop times.
#PTGUI VIDEO STITCH SOFTWARE#
Different software and cameras can be substituted. This is an example of a workflow for stitching multiple 4k video files together for playback in Previzion as video backgrounds.
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