'orphaned' images (the images without control points)

[Anhdao Vu]

Hi there,

I'm having a bit of a problem with 'orphaned' images (the images without control points). If I do it manually, I can create a panorama, I mean 'control point'. I've used ultra wide camera iphone 12 promax.

Is there a way to do it automatically with the link attached below?

Thanks everyone!

https://drive.google.com/drive/folders/1s0j-NLsxu9Y6HHDk7K4HvUh0IQI3ASNs?usp=share_link

[John Houghton]

Anhdao,  With such large expanses of bland white areas, this is a very difficult subject for the control point generator.  It's difficult enough to do this manually!  One helpful solution is to add temporary targets on the walls in the form of sticky labels like Post-it notes.  Of course, these have to be cloned out in the final panorama.  I got a very good result after some work making good use of the "Generate control points here" function after aligning the images manually in the Panorama Editor window.  There is some parallax to cope with and it seems auto focus was used, so this needs to be accommodated by using individual lens parameters.  My project file and stitch can be downloaded from https://we.tl/t-JEPXPsIDQw .

John

[Anhdao Vu]

thanks for your answer, can you guide me step by step to do the same as you?

Vào lúc 14:44:04 UTC+7 ngày Thứ Tư, 26 tháng 4, 2023, John Houghton đã viết:

[John Houghton]

The steps I took were as follows:

1.  Load in the images.  I guessed the image hfov was around 80 degrees, which was entered on the Lens Settings tab.

2.  Run Align Images:  images 3 and 15 were clearly not in their correct positions so these were dragged into position manually on the Panorama Editor window.

3.  Then assign control points for these two images manually with a few points to their neighbours. (Zoom in to look for spots and blemishes on the walls where necessary).

4.  Run the optimizer.

5.  There are alignment errors visible, so select pairs of images where they overlap horizontally and vertically and use the "Generate control points here" function to generate more points in sparse areas.  Also assign points manually where necessary.

6.  Optimize again.  Examining the image overlaps for evidence of parallax (which there was some), I noticed image size differences that I attributed to auto focus being used (which effectively changes the angle of view slightly).  To counter this, I selected individual lens parameters for the images on the Lens Settings tab and re-ran the optimizer.

The optimizer figures were then much improved and the stitch looked satisfactory with the "Find optimum seams"  blending option used (this is only available in the Pro version).

I hope that helps.

John