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Corcovado > Corcovado 67GP (first stitch) by The Rio de Janeiro - Hong Kong Connection

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About This Gigapan

Taken by
The Rio de Janeiro - Hong Kong Connection The Rio de Janeiro - Hong Kong Connection
Explore score
67.82 Gigapixels
Date added
Jul 22, 2010
Date taken
Jul 08, 2010

Gigapan Pro



** See Also "Sugar Loaf - 0.15 Terapix" **
** New **
Processed version at www.gigapan.org/gigapans/66020/
The first full-res stitch of our panorama taken at the top of the Corcovado mountain near the base of Christ the Redeemer in Rio de Janeiro, Brazil. This digital photograph consists of a total of 6223 pictures taken at with a Canon t2i, a 400mm lens, a 2x extender, and the new GigaPan Epic Pro. It has around 67 gigapixels, which we believe is the world record in terms of resolution. There are some artifacts due to exposure inconsistency and vignetting that we hope to address in a later update.

RioHK is a collaborative gigapixel panorama project between IMPA (Rio de Janeiro) and HKUST (Hong Kong) led by Professors Luiz Velho (IMPA), Diego Nehab (IMPA) and Pedro Sander (HKUST).

Photo crew:
Luiz Velho (IMPA)
Diego Nehab (IMPA)
Pedro Sander (HKUST)
Rodolfo Lima (IMPA and Digitok)
Fernanda Groetaers (IMPA)

Gigapan Comments (40)

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  1. Rodolfo Lima

    Rodolfo Lima (July 31, 2010, 05:13AM )

    Thanks Bohonus. Luiz Velho happens to know Neel and Michael (and met the latter at SIGGRAPH 2 days before). This paper has great results and I look forward to implement it as a pass in our stitcher software.

  2. Bradford Bohonus

    Bradford Bohonus (July 30, 2010, 02:51PM )

    @rodlima You may find this document regarding techniques for haze-reduction/removal in photographs written by Neel Joshi and Michael Cohen at MS Research of interest (if you haven't seen it already). research.microsoft.com/en-us/um/pe ople/cohen/SeeingMtRainier.pdf Will open in
a new tab or windowregards, b

  3. Rodolfo Lima

    Rodolfo Lima (July 30, 2010, 02:30PM )

    @bohonus: that's exactly our approach. Thanks for your support.

  4. Bradford Bohonus

    Bradford Bohonus (July 30, 2010, 01:02PM )

    Hi rodlima, If people don't create images like this and others to begin with, how else is one to expose and address issues like the ones you have mentioned you are doing, don't you agree? "Never try, never do" and "never did, never done" right? :) Personally, I think once one gets comfortable with the techniques and processes and can reduce or eliminate issues during such, then the road is wide open for even more creative expression within the medium.

  5. Rodolfo Lima

    Rodolfo Lima (July 30, 2010, 06:53AM )

    @bohonus: as I said earlier, gigapan's viewer stretches the most detailed image 3x (or so), so no matter what panorama you view with it, the higher resolution level will appear blurred. But he has a point, it's somewhat easy to come up with a gigapixel panorama nowadays, it's a matter of having a good equipment (mostly). The bottleneck is during post-processing. Autopano *crawls* with 60GP, let alone higher resolutions, and this is using linear blending. It's almost impossible with multiband blending or smartblend. But we're working on software solutions to overcome these issues, just wait and see :)

  6. Bradford Bohonus

    Bradford Bohonus (July 29, 2010, 05:27PM )

    Nice going! Must have been a fun image to shoot and work on! & a wonderful location too! The commentary/rant/insults posting about this shot and the people who worked so hard on it from Mr Martin @ 360cities are way out of line in my opinion- blog.360cities.net/gigapixel-charl atans Will open in a new tab or window/

  7. Rodolfo Lima

    Rodolfo Lima (July 28, 2010, 07:54AM )

    @zmalol: the focus was fixed, that was a constraint of the 2x multiplier used. But yes, focus could (and will) be improved next time. But other factors are involved too: atmospheric condition (hot air causing distortions, etc), thermal noise on CCD and most importantly: gigapan most detailed view is stretching the original image 3 times (or so), so there's upsampling artifacts (blurring).

  8. Zbigniew

    Zbigniew (July 27, 2010, 10:12PM )

    How about lens focus? Was it locked during shooting? Reason for this question is that some parts of the panorama seems to be out of the focus in the nearest and farthest range (see two snapshots at the max zoom gigapan.org/gigapans/54825/snapshot s/154327/ and gigapan.org/gigapans/54825/snapshot s/154328/). In most gigapans at max zoom there is more details available. For me this brings the issue (perhaps discussed already) of lens performance for large multithousandshot gigapans.

  9. Giga Works

    Giga Works (July 26, 2010, 03:41AM )

    Very well done!

  10. The Rio de Janeiro - Hong Kong Connection

    The Rio de Janeiro - Hong Kong Connection (July 25, 2010, 07:17PM )

    @Texas_Photo: Yes, we hope to do some large ones of HK as well!

  11. The Rio de Janeiro - Hong Kong Connection

    The Rio de Janeiro - Hong Kong Connection (July 25, 2010, 07:16PM )

    @AutoMateUser: Thanks! Yes, we plan to put together a more detailed description of the picture capture and stitching process once we address the remaining exposure issues. It took a few hours to take the photos (about 45 images per minute in GigaPan's fastest mode) and we used autopano giga for this first stitching attempt. It took multiple days to complete. :) Cheers.

  12. David Engle

    David Engle (July 25, 2010, 10:38AM )

    Congratulations on the Rio GigaPan :) When will we see panoramas this size taken of Hong Kong? GigaPans of HK taken from the Peak and taken from Kowloon would quickly end up on the first page of most popular GigaPans.

  13. Jean Turco

    Jean Turco (July 25, 2010, 02:20AM )

    Superbe ! Félicitations - Jean

  14. Stefan Kuzmanov

    Stefan Kuzmanov (July 24, 2010, 12:20PM )

    Great Panorama from one of the worlds best locations! Congratulations!

  15. AutoMateUser

    AutoMateUser (July 24, 2010, 12:13PM )

    Congratulations on this achievement! The biggest challenge for these very large panoramas is the stitching. Can you tell us about how you did it, what software you used, and how long it took, etc.

  16. Guga Botelho

    Guga Botelho (July 24, 2010, 08:01AM )

    Congratulations for the images was to show the ball panoramica

  17. The Rio de Janeiro - Hong Kong Connection

    The Rio de Janeiro - Hong Kong Connection (July 24, 2010, 06:04AM )

    Thanks! And 100GP sounds exciting (and rather challening :). Cheers.

  18. T. Emrich

    T. Emrich (July 24, 2010, 03:47AM )

    Congratulations to this HUGE Panorama!

  19. Gerald Donovan

    Gerald Donovan (July 24, 2010, 03:46AM )

    Congratulations! See you the other side of 100GP ;)

  20. The Rio de Janeiro - Hong Kong Connection

    The Rio de Janeiro - Hong Kong Connection (July 23, 2010, 12:36PM )

    Images from the making-of at the Facebook group RioHK Connection, URL: www.facebook.com/group.php?gid=110 157455703161 Will open in
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