Hello sastun1962,
What are the problems?
The workflow is simple:
- add all photos from the set,
- apply mask to the complete image IMG_6085.JPG,
- run Align Photos operation: High accuracy, Generic Preselection, key point limit - 40 000, tie point limit - 10 000, apply masks to - Tie Points, adaptive camera model fitting - enabled.
As a result you'll get the similar sparse cloud like on the screenshots on the article page.