Thursday, June 17, 2010

AutoStitch v3.0

Breaking news: AutoStitch v3.0 was released on Wednesday, 16 June 2010. The latest version of AutoStitch Panorama -- or AutoStitch iPhone, as it appears the app is called now -- features a new Tutorial Video in its built-in Help. There are new options for Blending and Auto-Exposure, as well as new options for sharing output, notably the capability to send full-resolution panorama photos via e-mail directly from AutoStitch.

I decided to test the new settings by restitching a five-image panorama photo of Hollin Hall that I created earlier this week. (For details, see "Pano, Counterpano.") The original version appears first; the new version appears second.



In my opinion, the new version looks much better than the original. The overall color of the image appears more vibrant (especially the house itself), and the slight discoloration of the sky (above the house) and lawn (in front of the house) that is noticeable in the original has been corrected in the new version. One negative comment: Some of the detail in the clouds was lost in the new version (contrast the upper-right corners of the two versions), but that imperfection could be corrected easily using a full-featured photo-processor such as Apple's Aperture.

Inspired by the results of the first test, I decided to restitch a 16-image panorama photo I created the same day as the Hollin Hall panorama. Using the new, higher quality settings, AutoStitch took much longer to prepare, extract, align, and render the larger panorama photo. That said, the time wasn't excessive given the complex computational processes performed by AutoStitch. The original version appears first; the new version appears second.




I think the new version looks slightly better than the original version, although the difference between the two photos is very subtle.

Based upon admittedly limited testing, I give the latest release of AutoStitch iPhone an enthusiastic "Two Thumbs Up!" The next test of AutoStitch: Shoot a set of photos that overlap horizontally and vertically.

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