[daala] Early results with new PVQ code

Jack Moffitt jack at metajack.im
Tue Dec 17 14:08:14 PST 2013


It seems to zigzag less. Is that significant somehow?

jack.

On Tue, Dec 17, 2013 at 3:00 PM, Jean-Marc Valin <jmvalin at jmvalin.ca> wrote:
> Actually, these curves may be more useful. They force all blocks to be
> 8x8 (the only size supported with PVQ for now) rather than have block
> switching.
>
>         Jean-Marc
>
> On 12/17/2013 04:04 PM, Jean-Marc Valin wrote:
>> Hi,
>>
>> Here are some early results I got on subset1 with the new PVQ code I've
>> been working on. It can be enabled simply by changing:
>> mbctx.run_pvq[pli] = 0;
>> to
>> mbctx.run_pvq[pli] = 1;
>> in encode.c.
>>
>> It seems to be performing very slightly better than scalar, which is a
>> good sign at this point considering it just started working at all.
>>
>> Cheers,
>>
>>       Jean-Marc
>>
>>
>>
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>
>
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