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-   -   The dive (https://e-group.uk.net/forum/showthread.php?t=50793)

Tordan58 15th June 2019 02:29 PM

The dive
Tried a new thing. Common tern diving, me panning the action vertically.

This is a panorama of 5 frames in the middle of the sequence (first ones are out of focus and/or misframed) after which the memory card had no more available space for storage (should have kept an eye on that) so unfortunately the entry into water and the emerging with prey in beak are not documented.

Amazing how they wait to fold the wings until the last 1/20 second or so.

Thanks for looking


Keith-369 15th June 2019 03:06 PM

Re: The dive
That I like :)

Beagletorque 15th June 2019 03:13 PM

Re: The dive
I wonder which one got the fish? :D

OM USer 15th June 2019 03:16 PM

Re: The dive
Excellently put together Tord.

Tordan58 17th June 2019 11:18 AM

Re: The dive

Originally Posted by OM USer (Post 482925)
Excellently put together Tord.

Thank you.

To be honest, Lightroom put that together for me. There is a function in Lightroom where a Panorama will be created from a set of pictures. I used it recently for skylines and came up with a new idea after taking that dive sequence. For this work I first had to rotate all frames 90 anti-clockwise in Lightroom, which is easy.

Next for this to be supported there needs to be graphical elements in adjacent frames that the software will recognize and then align, rotate, crop and blend for best match and smooth, creating invisible transitions between adjacent crops. In this case there are the buildings in the background with clearly discernable features like windows and in the lower part is the reed bed with a myriad of details. The frames preceding the first one were not accepted as they depicted the Tern against blue sky with no other information. Had there been clouds these frames might have been accepted as input and the sequence would have started with the Tern making a sharp turn ;) before diving.

I tried manually to achieve something similar however that turned out more difficult that I was expecting and time consuming; calculating the translation and rotation needed for each photo and then finding out how to adjust exposure and tonal curve to eliminate the sharp transitions.


Phill D 17th June 2019 03:06 PM

Re: The dive
Thats a brilliant sequence Tord, very nicely done.

Otto 17th June 2019 03:45 PM

Re: The dive
That's pretty spectacular!

Olybirder 17th June 2019 04:41 PM

Re: The dive
Very clever Tord. That works really well.


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