They are needed to get an optimal stitch.
Calibration Tool: Browse to the folder that contains PTGui.Choose your CUDA Device (only necessary if you have more than NVIDIA card in your system).Note: The Output, Interactive and Process panels become available after a calibration has been imported and a video is ready to stitch. Here is a picture of the interface: The workspace consists of 4 panels which are stacked behind each other (upper right corner).VideoStitch opens onto the Source panel.
However, if you already familiar with PTGui and its panorama stitching capabilities feel free to skip the middle tab. Therefore great care should be applied to this part to achieve the best possible result. A calibration is a stitching template for VideoStitch. The middle part is about editing the calibration in PTGui. The process starts and ends with the VideoStitch interface: load the images, synchronize, create a calibration, apply the calibration, adjust exposure, preview the result as equi-rectangular or interactive movie, choose output parameters and render. The VideoStitch workflow consists of three parts presented in the tabs below. The 360º video stitching workflow with VideoStitch using PTGui as calibration tool:
Download the PTGui template Hero3 black (if you are using the black edition) from our Samples and Template section for free.Place all 6 video files in the same folder.
If there are several movie files please see Remark 1 below for more info.