Lab Seven: Volumetrics with UAS Data
Lab 10: Processing Oblique Imagery in Pix4D
Introduction This lab utilizes the tool of image annotation which allows the user to remove unwanted pieces of an image. For this lab we used oblique imagery and 3D models that were created in Pix4D, and using those models and the image annotation tool we were then able to remove unwanted parts of the image leaving just the truck and light post. At what phase in the processing is this performed? This step needs to be performed after the initial processing. What types of Image Annotation are there? There are three types of image annotation: Mask, Global Mask, and Carve. Mask annotation would be used for removing some obstacles that appear in a few of the images or to automatically remove the sky Global Mask annotation would be used for a piece of the image that is consistently in the lens at a fixed location. This could be a piece of the drone for example. Carve annotation can be used to remove large pieces of an image, such...
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