Re: [Gegl-developer] new GEGL samplers: what they are and where they are going

2009-09-18 Thread Daniel Rogers
On Sep 17, 2009, at 6:51 PM, Nicolas Robidoux wrote: But I am wondering if for GEGL's target user base an "always pretty good" default is preferable to "choose your poison." Well, if all GEGL ever has is a "always pretty good" default and you never get to pick your poison, you are making yo

Re: [Gegl-developer] new GEGL samplers: what they are and where they are going

2009-09-17 Thread Martin Nordholts
On 09/18/2009 03:51 AM, Nicolas Robidoux wrote: > But I am wondering if for GEGL's target user base an "always pretty > good" default is preferable to "choose your poison." > > Comments? As long as there is good general-purpose resampler (which could possibly use different algorithms depending on

[Gegl-developer] new GEGL samplers: what they are and where they are going

2009-09-17 Thread Nicolas Robidoux
Question about future direction for resamplers: Would it be better if there was only one sampler tuned for upsampling, and one tuned for downsampling? My previous vision for GEGL was that my research group would contribute TWO resamplers tuned for upsampling and TWO resamplers tuned for downsamp

Re: [Gegl-developer] new GEGL samplers: what they are and where they are going (REVISED)

2009-09-03 Thread Martin Nordholts
On 09/01/2009 04:22 PM, Nicolas Robidoux wrote: > > > Abstract > > > Eric Daoust and Adam Turcotte are about to wrap up a pair of Google > Summer of Code 2009 projects having to do with new samplers. In this > document, I explain what the samplers do, how they (may) fit within

[Gegl-developer] new GEGL samplers: what they are and where they are going

2009-09-03 Thread Nicolas Robidoux
RE: > === > Upsharp sampler > === > ... > Future improvements: ...Finally, current research > suggests that the co-monotonicity enforcing derivative clamping is > overkill and that the result would be less aliased without a > noticeable increase in haloing if it only enf

Re: [Gegl-developer] new GEGL samplers: what they are and where they are going (REVISED)

2009-09-01 Thread Alexandre Prokoudine
On Tue, Sep 1, 2009 at 6:22 PM, Nicolas Robidoux wrote: > > Abstract > > > Eric Daoust and Adam Turcotte are about to wrap up a pair of Google > Summer of Code 2009 projects having to do with new samplers.  In this > document, I explain what the samplers do, how they (may) fit wi

[Gegl-developer] new GEGL samplers: what they are and where they are going (REVISED)

2009-09-01 Thread Nicolas Robidoux
Abstract Eric Daoust and Adam Turcotte are about to wrap up a pair of Google Summer of Code 2009 projects having to do with new samplers. In this document, I explain what the samplers do, how they (may) fit within the GEGL library, and where they are going (most likely: feedbac

[Gegl-developer] new GEGL samplers: what they are and where they are going

2009-08-31 Thread Nicolas Robidoux
Abstract Eric Daoust and Adam Turcotte are about to wrap up a pair of Google Summer of Code 2009 projects having to do with new samplers. In this document, I explain what the samplers do, how they (may) fit within the GEGL library, and where (most likely) they are going. I als