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Correcting wide-angle panoramas

From: Photoshop CS6 New Features

Video: Correcting wide-angle panoramas

In this movie, I'm going to show you what I consider to be an even better use for the Adaptive Wide Angle filter. And that's its ability to remove distortion from panoramas that you stitch together in Photoshop. Now, again things are going to work better if you have the lens data and you'll only have the lens data if you stitch the panorama in Photoshop CS6. CS5 and earlier do not capture the lens data in a way that the Adaptive Wide Angle filter recognizes. Now, I'm looking at a collection of six images here inside the Bridge, and the reason I'm showing them to you in the Bridge is because there's a new command.

Correcting wide-angle panoramas

In this movie, I'm going to show you what I consider to be an even better use for the Adaptive Wide Angle filter. And that's its ability to remove distortion from panoramas that you stitch together in Photoshop. Now, again things are going to work better if you have the lens data and you'll only have the lens data if you stitch the panorama in Photoshop CS6. CS5 and earlier do not capture the lens data in a way that the Adaptive Wide Angle filter recognizes. Now, I'm looking at a collection of six images here inside the Bridge, and the reason I'm showing them to you in the Bridge is because there's a new command.

It's under the tools menu. You go to Photoshop and then there's this command called Process Collections in Photoshop. This thing is amazing! What it does is it looks through an entire folder full of images and any images that look to the Bridge like they ought to be part of a panorama, the Bridge sends them off to Photoshop and Photoshop automatically stitches them together. So you may end up with five or six panoramas that are created in a single pass. And wherever the Bridge finds multiple exposures of a single scene, it goes ahead and merges them to HDR. So it all happens automatically, which means, by the way, it's not always accurate.

You need to bear that in mind. But when it works, it works brilliantly. Anyway, I'm going to switch back to Photoshop so that we can see the panorama that I've stitched together based on these images, and it's this one right here. Now, I use the cylindrical mapping method when I stitch the images, which means that each one of the images bows out as you can see right here and the panorama as a whole bows out as well. But of course, we can fix that using the Adaptive Wide Angle filter. In this case we've got multiple layers to work with here, but we can combine them all into a single Smart Object by pressing Ctrl+Alt+A or Command+Option+A on the Mac in order to select them all.

Then go up to the Layers panel flyout menu and choose Convert to Smart Object and we have a single Smart Object that we can edit as a whole. All right! I'll go ahead and call this guy panorama and then I'll go up to the Filter menu and choose Adaptive Wide Angle in order to bring up the window. And I'm going to have to start things off pretty wide, as I am here, zoomed out from the image, which is why it's useful that I have this Detail preview over here on the right-hand side. So that will help me keep an eye on the details I'm trying to match. So, I'm going to click right there at the top of that ledge and then move my cursor all the way over to the right- hand side of the building and click on the top of this ledge if I can get to it.

So this tends to be a little tricky when you're zoomed out this wide. All right! It looks like I got it there. I'll click in order to straighten out that portion of the building. And I want it to be horizontal, so I'll right-click on that line and choose Horizontal. And I'll draw a couple of other lines as well while pressing the Shift key. So, I'll drag through the bushes to create a horizontal line right there and I'll drag across the top of the building or at least with the Shift key down, I'll click at one point and then I'll click at the other one right about there. It looks pretty good, a little higher maybe. If I can. See, these just tiny movements are making a big difference over here in the Detail panel on the right-hand side. There we go.

All right, I'll click in order to set that point. Now, there're a few other things that I could straighten out. For example, this light pole has a bend associated with it, so I'll go ahead and straighten it, and this tree I think wants to be straight, so I'll go ahead and straighten it out as well. Some of the details like this side of this building over here don't straighten out too well. If I drag along it, you can see that straightens it a little bit but not all that much. The good news is this is way better than the kind of stuff you would get out of panoramas in Photoshop CS5 and earlier. So it's a very positive step, even when it's not necessarily perfect.

Now, here's a detail that's a little bit of a head-scratcher. It's difficult to know whether the base of the statue is bowing upward or whether that's dirt that's covering up the base of the statue. And the best we can do just kind of ask Photoshop what it thinks based on the lens data. So, I'll go ahead and grab this tool, the Polygon Constraint tool, and I'll click in each one of the corners like so in order to try to surround this with a rectangle, and I would hope that that would bow up right there but it didn't. So that must mean, according to lens data, that that's dirt that's rising up to the statue.

I'm going to zoom out here to see what we've got. Everything looks pretty darn good. I imagine that that tree wiggles naturally. I could try to straighten it by grabbing the Constraint tool again and dragging down and there is some bend associated with it but that one bit of bend right there is apparently natural, and that looks now kind of not very good, I don't think. So, I'm going to Alt+Click or Option+ Click on that line to remove it. All right, now I'll click OK in order to accept the result, and of course because we're working with the Smart Object, we can change our mind any time we like. All right, now I'm going to go ahead and grab the Crop tool and I'm going to crop this image pretty wide especially with regard to the top of the image.

So, I'll make sure that I crop tight along the bottom. I want a little building over here on the left- hand side even if it's kind of at an angle there. But I don't want to drag all the way down to where the sky begins above the statue's head because that would crop away some of the tops of the palm trees. So instead, I'm going to crop to right about there and then press the Enter key or the Return key on the Mac. For a second, it looks like the statue has no head. That's because we're seeing the original version of the image for a moment. All right! I'm going to switch back to the Rectangular Marquee tool and now we want to fill in this area using Content-Aware Fill.

It's probably going to do the best job. But Content-Aware Fill is only applicable to pixels; you can't use it with the Smart Object. So, I'm going to create a copy of the Smart Object layer by pressing Ctrl+J or Command+J on the Mac and then I'll go up to the layer menu and choose Rasterize and then choose Smart Object in order to convert that layer to pixels. And then I'll hide the original one, but it's good to have it around in case we want to make changes later. All right. Now to select that area, I'll press the Ctrl key or the Command key on the Mac and click on the thumbnail for this top layer and then I'll go up to the Select menu and choose the Inverse command, so just this region is selected.

Now, we need to select a few more edge pixels. So, I'll go up to the Select menu, choose Modify, and then choose Expand, and about 20 pixels should do it. I'll click OK and next I'll go up to the Edit menu and choose the Fill command. Inside the Fill dialog box, I'll set the Use option to Content-Aware and click OK and that'll go ahead and inspect all the details outside the selection and repeat them as Photoshop sees fit inside the selection, and it may or may not work. In my case, it worked really, really well. All right! I'm going to go ahead and click to deselect the image.

We have some repeated details here and there, but we definitely have a lot of good cloud action going on. It's just this little detail that's a problem. So, using the Marquee tool I'm going to select that region like so and then I'm going to press Shift+Backspace or Shift+ Delete on the Mac, which is a keyboard shortcut for the Fill command, Use is still set to Content-Aware, click OK and that gets rid of my problem. Excellent! All right! I'll press the F key a couple of times in order to fill the screen with the image and go ahead and zoom-out, so that I can take in the entire thing. Now just for the sake of comparison, I'll press the F12 key, which goes ahead and reverse the image to its saved appearance.

This is the image as it appears when stitched using the Photomerge command and this is pretty much the kind of results we had to accept in Photoshop CS5 and earlier, but now thanks to the Adaptive Wide Angle filter we can achieve near-perfect panoramas here in Photoshop CS6.

Show transcript

This video is part of

Image for Photoshop CS6 New Features
Photoshop CS6 New Features

38 video lessons · 42428 viewers

Deke McClelland
Author

 
Expand all | Collapse all
  1. 1m 37s
    1. Welcome
      1m 37s
  2. 2h 27m
    1. The secrets of the dark interface
      3m 55s
    2. Background and Auto-Save
      3m 22s
    3. The altogether revamped Crop tool
      4m 0s
    4. The consolidated Properties panel
      3m 58s
    5. The searchable Layers panel
      5m 2s
    6. Modifying multiple layers at a time
      4m 50s
    7. The wide world of layer enhancements
      6m 48s
    8. Content-Aware Move and Extend
      6m 16s
    9. Content-Aware Patch
      3m 14s
    10. Auto-Power color adjustments
      6m 3s
    11. The brave new world of Camera Raw 7
      6m 16s
    12. The new three-part Blur Gallery
      8m 9s
    13. The Adaptive Wide-Angle filter
      7m 7s
    14. Correcting wide-angle panoramas
      7m 14s
    15. Text enhancements & styles
      4m 48s
    16. Filling & stroking shape layers
      4m 37s
    17. Aligning and stacking vector-based shapes
      4m 17s
    18. Working with the Scripted Patterns
      3m 32s
    19. Erodible brush tips & airbrushes
      5m 44s
    20. The enhanced Liquify filter
      4m 20s
    21. The new Oil Paint filter
      4m 10s
    22. Selecting skin tones and faces
      5m 11s
    23. The new Lighting Effects filter
      6m 29s
    24. Editing videos in the Timeline panel
      10m 16s
    25. Making editable 3D type
      8m 8s
    26. 3D shadows and reflections
      6m 35s
    27. Aligning and distributing meshes in 3D
      3m 0s
  3. 50m 34s
    1. Introducing the first Photoshop Creative Cloud update
      1m 36s
    2. Liquify and Blur Gallery support Smart Objects
      8m 42s
    3. Creating conditional actions
      9m 51s
    4. Moving a point with the Pen tool on the fly
      3m 32s
    5. Autonaming merged layers
      4m 42s
    6. Creating global default type styles
      4m 57s
    7. Copying CSS code from specialty layers
      4m 54s
    8. Enhanced 3D lighting with 32-bit bit color
      6m 42s
    9. The new default 3D image-based light
      5m 38s
  4. 29s
    1. Goodbye
      29s

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