image stitcher: image composite editor (MSR)

Just found this very powerful tool:
image composite editor is designed and implemented by Microsoft Research.
My example:
original input images:

output image:






video demo:
http://research.microsoft.com/en-us/um/redmond/groups/ivm/multiimagefusion/
downloads:
http://research.microsoft.com/en-us/downloads/69699e5a-5c91-4b01-898c-ef012cbb07f7/default.aspx