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Self-Portrait by Proxy III a.k.a. Crime Scene IV by The Gigapanographer Currently Known as "Kilgore661"

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About This Gigapan

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Taken by
The Gigapanographer Currently Known as "Kilgore661" The Gigapanographer Currently Known as "Kilgore661"
Explore score
122
Size
1.84 Gigapixels
Views
9469
Date added
Mar 06, 2013
Date taken
 
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Description

This is an attempt to shoot a reasonably large gigapan using both focus bracketing and exposure bracketing. Each image in the 22 column, 10 row panorama was shot at five different focal distances and five exposure levels (so a total of 5500 separate images). It took about 20 hours of shooting over three nights. For gear geeks, I used my Canon 7D with a Canon 17-55mm f/2.8 lens at 55mm (so 88mm as 35mm equivalent) at f/11 and exposures from 1/15 second to 15 seconds.

I think the focus stacking is quite successful. The image is pretty sharp from the nearest point (the back of the central brown chair, less than a metre away) to the farthest point (the wall upstairs visible in a mirror, ten metres away). I think the focus stacking software has done really well given that I was asking it to stack images that were completely out of focus and/or hugely under- or over-exposed. I have only found one area where the software has created a stripe of the sort that happens when the change in focal length between successive shots is too large. For the benefit of anyone wanting to try the same sort of thing, I will add that I found the current version of Helicon Focus (5.3.7) seemed to have bugs in its batch mode and the support people at Helicon gave me the impression they didn't really care.

The exposure bracketing has not worked out as well as I had hoped because it would seem there is no software for tone mapping that works with images as large as this so I had to manually merge the different exposures by hand using the old cut-and-paste-with-masks technique in Photoshop (with which I have no expertise). The largest version of this image that I have been able to tone map is gigapan.com/gigapans/125210.
One significant problem that I didn't think about until it was too late is that the two groups of ceiling lights use different types of light bulb so they produce different colours of "white" light which makes setting the white balance tricky.

I will be very interested to hear from anyone who knows of a tone-mapping program that can cope with large images. (And when I say "knows" I mean "have themselves successfully tone mapped an image of over 30,000 by 15,000 pixels" - I have had too many recommendations for software that "should" work.)


Gigapan Comments (10)

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  1. stereopan.com

    stereopan.com (March 18, 2013, 10:04AM )

    Too bad this HDR focus stacked image was not shot in 3D stereo!

  2. The Gigapanographer Currently Known as "Kilgore661"

    The Gigapanographer Currently Known as "Kilgore661" (March 12, 2013, 01:09PM )

    Having someone pick over my life in such detail is an odd experience! I'm not complaining - it did occur to me that I might be inadvertantly revealing too much about myself, but I checked and you can't see my bank details, passwords or any evidence of my mail-order white slave business so I'm cool. The recumbent is fun. There is hardly any wind resistance so you can get over 20mph very easily unlike on a bicycle. It isn't as dangerous to ride as you'd think either. I find that drivers give me a much wider berth on the trike than they do on a bike. I have 5 gigapan imagers, six if you count the Lego one. The one you can't see is on loan to a friend. The hacky sacks are in fact bean bags for juggling with. I got quite good at this and could juggle four solidly but I lacked the determination to learn five. I'm not sure what you mean by a "love film" or "the fancy latched boxes". Take a snapshot and I will be able to tell you about them. My windows are indeed draughty. This is due to them being sub-standard and me not noticing when I bought the house:( Those AA batteries really do need throwing out - I have had them (and in such quantity) since I was using the Lego robot and the Epic/Epic 100s four years ago now. The underpants are old but not dirty. They, along with the socks next to them, have become separated from the rest of my clean laundry where I keep it on the brown chair. Thanks for reminding me about the 10 euros - I'm going to Paris soon so they will be useful.

  3. Jason Buchheim

    Jason Buchheim (March 12, 2013, 12:12PM )

    I was just enjoying virtually sitting in your living room this morning. Thought I would take inventory in my head and use your filing system. The recumbent bike looks like fun. I have never ridden one, I met these guys this year from North Carolina that have battery powered recumbent bikes that can go 70 kph. If you are looking for the draft for the party wall award, its under the end table by the door. A bit above it is a metal plate that would be great for doing manual movement 360 degree panoramas. A bit above that is some handy wasp killer if necessary. Do you still use blank cd's or dvd's, as there are a few available there too. A bunch of empty thc bags could be recycled. Dont sit on your glasses, they are on the easy chair, opposite the full ashtray. Your three Gigapans seems to aggregate together near the glowing orb, must be some sort of recharge of their spirits. Montreal looks astray. Your blue ray player is set on military time, its 19 minutes past midnight when the Gigapan saw it. How many Gigapan units do you have as three on on floor and one is taking image? Your gout medicine is on the floor, or at least, its box is. As is your hypertension medicine, there is at least one pill left. They are both right next to your bag of potato chips. Potato chips don't really mix with gout or hypertension, but they sure do taste good;) Mini flapjacks and Benbo's probably dont help either, but playing hacky sack should be good for the heart.

  4. Jason Buchheim

    Jason Buchheim (March 12, 2013, 12:07PM )

    Its good that you keep your 3D glasses safe in the nestle quality street tin, they will be important soon when you start shooting 3D gigapans! I want to watch a love film, and I really want to know what is in those fancy latched boxes by the sliding door Mmmm, leftover pizza crust on the couch f11 55mm +-2ev will take a while Your don't chew on your pen caps Your windows are drafty, some packing tape will help that Your camera batteries and swan papers are on the other end table, the one with the part of the lava lamp. There is a receipt there you need to retain for your records. Spend that Singapore money already. That is a big bag of AA batteries! And more AA batteries wrapped in packing tape on top of your dirty underwear The other half of your lava lamp is hidden behind those Bob Atkins focus/exposure graphs you printed out! Its by the open amazon box. Your permitted work paperwork is on the table By your mop (a mop, seriously) There are 10 Euros on the floor by the Irish cream espresso bean bag that was used as an ashtray I know where three hats are, a picture of a robot in the hallway, and your tripods Fear and Loathing in Las Vegas, Selfish Gene, Happy Birthday, Wanda June, Hocus Pocus, the Lord of the Rings, are the only titles we have both read, but I have also read some of the same authors, Terry Brooks, Bill Bryson You have a picture of a biker female growing cob webs on your mantle Very nice panorama prints on the walls!

  5. hagbard_celine

    hagbard_celine (March 09, 2013, 10:41PM )

    Only you would see no mess my friend. Actually it looks less crusty than my last visit, must be the new vim!

  6. The Gigapanographer Currently Known as "Kilgore661"

    The Gigapanographer Currently Known as "Kilgore661" (March 08, 2013, 10:30AM )

    Mess? I see no mess. I see the results of an enlightened person who uses the "First Available Flat Surface" filing system. This is an advanced technique that requires data management based on a space-time lookup key.

  7. Jason Buchheim

    Jason Buchheim (March 07, 2013, 10:34PM )

    So, this panorama looks best in a 360 degree viewer, like here 3d-360.com/124980 Will open in
a new tab or window Wow, I thought your place looked messy, then I looked at my place and its messy too;) Good job on the merges on focus and exposure!

  8. mediaadvantages

    mediaadvantages (March 06, 2013, 10:10PM )

    Great pic! I'm a newbie and just starting to learn about this. I just bought a Canon 5d Mark III www.youtube.com/watch?v=KDULltPMs0 o Will open in a new tab or window

  9. The Gigapanographer Currently Known as "Kilgore661"

    The Gigapanographer Currently Known as "Kilgore661" (March 06, 2013, 03:34PM )

    The H7 (to be precise) is stored on the table by the TV :-)

  10. David Engle

    David Engle (March 06, 2013, 02:20PM )

    I was hoping to see where you have the Sony H9 stored ... you had earlier mentioned a bookend, when I suggested a museum :)

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