The Frankencamera

Andrés Calderón andres.calderon at emqbit.com
Sun Jul 25 17:49:09 EDT 2010


On Sun, Jul 25, 2010 at 4:30 PM, Werner Almesberger <werner at openmoko.org> wrote:
> Marco Castorina wrote:
>> I know a little about digital photography: yes you can use digital
>> zoom but what it does is using just a part of the CMOS and
>> calculate the pixels from there for the full resolution image.
>
> Ah, zoom was a bad example. You're right, digital zoom just throws
> away information and interpolates the rest.
>
> What I meant was, instead of using optics to create an undistorted
> small image on the sensor, one could use a distorted image and
> algorithmically reconstruct the undistorted image. Like they did
> it with the Hubble :-)
>
> For zoom, you'd still have to change the angle of view, but you
> wouldn't need the complex optics that make sure the image doesn't
> get distorted when changing the focal length.
>

Noise reduction it's another great example of computational photography:
http://graphics.stanford.edu/papers/gkdtrees/

-   Andrés Calderón


> - Werner
>
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