Panorama Artifacts
Antoine McNamara
5/6/2002
Here are some examples created using the panorama tool. The most complicated involved multiple versions of myself in my bedroom. It was shot with the Kaidan head. My father took the pictures while I stayed perfectly still. Once I was no longer in a frame, I would pose on the other side of the camera in a new position. I had meant for it to look like I was having a conversation between myself on the bed and at the desk, and I'm not sure that came around. Because in one I'm much closer to the camera, the line of site seems to get distorted (especially when you look at it flattened out in cylindrical coordinates.
Large Res --- Panorama Viewer
The only problem came when aligning two images whose overlap consisted only of the light switch and bare wall. As you can see, the light switch is the only distinguishing feature and Lucas-Kanade had issues. I had to set that aligning by hand.
This next example was taken by hand at Sunset Park in Ballard. The was quite a bit of vertical drift, and so you can that the fence doesn't quite match up. Besides that, I was impressed with the cameras "stitch" mode. It helped tremendously.
Large Res --- Panorama Viewer
This one also had one region of difficulty initially, where two almost identical trees stood side by side. I had initialized Lucas-Kanade with a very rough estimate, and it actually ended up in an incorrent local minima matching one tree with the other. Once I gave it a slightly more accurate guess, it found the correct solution.
And the last example is the basic test shot from the given images. Nothing too special here. It worked fine off the bat.
