Photosynth -- Microsoft Live Labs New Technology Preview

Photosynth is a superb electronic photo technology developed by Microsoft Live Labs.
It analyzes the similarity of a large number of photos of a location or object, and then recreates them in a three-dimensional space.
Its main functions include:
1. Observe photos from any angle and intelligently identify the photo shooting direction and location;

2. Seamless reduction of images, even with 100,000 or tens of millions of pixels;

3. view the relevance of the image;

4. Search for images similar to the currently viewed images;

5. Custom tours;

6. Share friends.