Show Posts

This section allows you to view all posts made by this member. Note that you can only see posts made in areas you currently have access to.

Messages - TheAntiTheo

Pages: [1]
General / Re: Circular Fisheye Workflow...
« on: November 23, 2020, 06:03:02 PM »
Hi Alexey,

Thanks for the quick reply. I should say my name is Chris, nice to meet you!!

I have to crop / split the original images as they come as two side by side circular panorama in a single RAW file. During the split i remove the unused black space at the edges and mask out the circle.

My tests so far using a left + right hemisphere split (only standard version for me) were successful, however I try to keep the yaw / bearing / orientation consistent between images as I move.

 I assume that if I were to rotate 90 degrees between image pairs (so that a feature that was in the centre of the fisheye is now at the edge) then association would fail due to high distortion even though the actual  motion is small. If that is true I could try to unwrap the image pair into a rectilinear view first to help.

I have a background in robotics so could do unwrap in openCV, just don’t want to try if the idea is silly...


General / Circular Fisheye Workflow...
« on: November 22, 2020, 09:41:56 PM »
I have been experimenting with a dual 190degree back to back  circular fisheye setup, I split, crop, mask and station the pairs of images before proceeding in metashape.

Given that metashape does feature detection and matching before lens optimisation, is there an advantage to me projecting the fisheyes to a more rectilinear format first to that features towards the edges of the FOV are less distorted?

I guess dense processing is ok as the images are projected first...


General / Re: macOS Mojave
« on: October 26, 2019, 09:58:11 PM »
Any news on Metal support? Or how the app behaves on Catalina?

I have had plenty of success using a mirrorless canon (EOS-M), and sony (A7R-2, A7-3) for buildings etc. with and without optical stabilisation enabled... but i do see changes to the lens parameters post optimisation when using optical stabilisation.

For the A7R-3 (and assuming it is like the A7-3) i suggest you setup one of the two special modes for photoscan so that disables optical stabilisation, sets the aperture for maximum depth of field before fringing (e.g. 8.0 for my 24-105), and focus is wide and close.

General / Re: macOS Mojave
« on: October 21, 2018, 07:25:48 PM »
I've had really great support from the Agisoft team today, if anyone else has the issue it looks like an update / solution is in progress...

General / Re: macOS Mojave
« on: October 21, 2018, 02:43:47 PM »
Can anyone confirm GPU acceleration working in Mojave? While the program works fine for me, my nVidia GPU is no longer available or being used.


Pages: [1]