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feature request : lens correction for uncentered, warped input image

Posted: September 12th, 2024, 11:39 am
by pierrelabreche
Scenarios :
  • A cropped images with visible barrel or pincushion distortion, while the full image is unavailable. The cropped image is not necessarily geometrically centered
  • Panoramic image assembly ( outside of PWP ), sometimes results in a perspective view with barrel or pincushion, not necessarily geometrically centered
Wish list:
PWP could offer an enhanced "lens correction" tool that would accept this sort of image, thus
  • Would detect and correct perspective warp
  • Would determine the "virtual lens center" and perspective warp
  • Would compute lens correction
Suggestion for user interface
  • User could place points along a rectangular shape, potentially incomplete ( for example, missing one or two sides )
  • User could place points along one or more straight line segments