Hi, OK I need to plead ignorance here, is there a decent reference on / can someone explain to me: a) what ORB is :p b) What the difference between FAST, oFAST and rBRIEF and STAR (and FREAK?) is and which one likely to be the most appropriate for random pictures of the Sun? c) What else needs to be done to turn this feature detection and description work into registration? Thanks!! Stuart On 27 September 2013 14:08, Stéfan van der Walt <stefan@sun.ac.za> wrote:

Hi Stuart

On Fri, Sep 27, 2013 at 2:05 PM, Stuart Mumford <stuart@mumford.me.uk> wrote:

...

After having spoken to people at scipy this year I have seen a lot of work going into feature extraction and description. I was wondering what the status of this was and what still needs to be done before I (/we, SunPy) can use it to align our images?

Google Summer of Code is just ending, and Ankit posted the result of his and Johannes's work on ORB:

http://skimager.blogspot.com/2013/09/oriented-fast-and-rotated-brieforb-hi.h...

We also have STAR (Censure) features, so registration is finally within reach!

...

P.S. expect more emails regarding image warping in the next month ;)

Bring it on!

Cheers Stéfan

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