Video HDR question

Discussion about DPHDR

Video HDR question

Postby JEL » Wed Apr 11, 2012 7:18 pm

When shooting video with alternating exposure between frames (such as: ABABABABABABABAB, where A is under-exposed and B is over-exposed), you get a flickering end-result.

The purpose is to blend these alternating frames (thereby halving the effective frame-rate) in a similar way as when we blend multiple images into 1 HDR image.

Is it possible for "Dynamic Photo HDR" to be updated so it can load such video-sequences and automatically do the blending?



Magic Lantern can shoot video in this flickering way. Read more here: http://magiclantern.wikia.com/wiki/Release_2011Dec22

Here's a short test-video that shows how the shot video looks like before being blended: http://vimeo.com/34028226

And here's the same test-video after having been blended into an HDRvideo by other software: http://vimeo.com/33987353

And here's some more talk about all of this: http://vimeo.com/groups/magiclantern/forumthread:250295



It would be so cool if DPHDR's pseudo-videoHDR could be updated to include an option for these type of videos, since that would make it useful for creating REAL HDR-videos :)

Thanks
JEL
DAP (AOPs): http://jelstudio.dk/DAP/
PhotoReactor (flows, effects and scripts): http://jelstudio.dk/PhotoReactor/
JEL
 
Posts: 285
Joined: Fri Jan 06, 2012 9:35 pm

Re: Video HDR question

Postby Oscar » Mon Feb 11, 2013 11:48 pm

Actually I am thinking of removing the whole video part (to perhaps a separate app) because it is the single major thing preventing me from making it 64 bit. In other thread I posted about dphdr redesign.
Oscar
Site Admin
 
Posts: 852
Images: 2
Joined: Fri Oct 22, 2010 9:54 am

Re: Video HDR question

Postby JEL » Mon May 06, 2013 12:46 pm

I would support that move at this time (making it still-images only)

The idea/method I mentioned in my original post in this thread is not very useful anyway, I have found out in the mean time :)
DAP (AOPs): http://jelstudio.dk/DAP/
PhotoReactor (flows, effects and scripts): http://jelstudio.dk/PhotoReactor/
JEL
 
Posts: 285
Joined: Fri Jan 06, 2012 9:35 pm

Video HDR question

Postby Aaronmow » Fri Sep 15, 2017 3:28 pm

This is a great tool to have but with hdr processing built into camera you lose control of how you want to process the image. I have a sony a77 which can do just that and there's other cameras out there that have that feature now BUT like i mentioned " you lose control of the Art effect you want to deliver"
ITs a nice thin g to have in your camera because it does eliminate the over and under exposure in a photo BUT isn't it more fun to work with the images OURSELVES ?
Aaronmow
 
Posts: 13
Joined: Mon Sep 04, 2017 1:47 pm
Location: Bulgaria


Return to Dynamic Photo HDR

Who is online

Users browsing this forum: No registered users and 1 guest

cron