Search results

...ly the Haar transform to the DC, starting with 32x32 superblock and coding the averages, and then going further down. but i'm kind of looking for ideas on - derf: depends on metric. it was more for the metrics we suck at. ...

...frames). on the clips that i tested on, doing that didn't seem to improve the results at all, but didn't hurt either. - jm: i would not expect it to help the curves, but visually. mostly at low birates. ...

...The next thing to do is the asymmetric 16 point DST. I can piece together the 32x32 DCT from that. Does that seem reasonable? - d: I'd have to look at a diagram or the code. I can't just answer that from a description. ...

- j: I'll give you a link so you can compare the two predictors ...esting my patches right now, but considering that tim landed 31 patches in the code I am working on it is coming along ...

...16x16 and that's why it's not done yet. i left it running for 2 days with the old code, and i didn't notice it until yesterday. - xiphmont: i am running my own RDO tests but was curious what the status was. ...

...y in the current code by companding and uncompanding the gain. at least in the case where there is no theta, is there more to it? jm: computing k is a function of the gain. ...

...ng we'll go through quickly and assign and those should get done by end of the week. - jm: here are the projects: ...

- jm: What's the status of all the papers? Mine has a completed first draft. So I'd like to get some review fr ...ual masing is controled by gain, but it seems in the newest version one of the parameters is gone. ...

Hardware support status for Ogg Theora is a new thing, but it seems it's sometimes included even if not advertised. If you can't ...y hardware or projects that are not yet mentioned here, please add them to the list. ...

...omething in all the bins where it actually makes sense and leaves it up to the encoder to encode noref or not. In no case would not putting something in a ...s. It fails most of the time. However, there is a noref that will cover up the bad predictor. I made a random change to not code outside of some 4x4 coeff ...

...ew shortly. TF'd 8x16 appears to be no worse, despite predicting from half the data. ...gs we should use a couple iterations of Gauss-Seidel instead of re-solving the system every time (cutting out a factor of O(N)). ...

gmaxwell is on vacation, so don't pick him as a reviewer until the 18th :) ...lution but the iterative solution converges. We can decode everything, run the preidction at 4x4, and we're closed loop because we have ??? ...

...asks here. one is to find a test to evaluate the residual performance, and the other is a collection of videos that we all agree to test on - j: was jm talking about the latter? ...

...ing at the graphs, it was dramatically better than subset1. when it got to the end it went right to zero. - derf: we didn't save any of the intermediate steps did we? ...

...DC you just use the normal dc and use the k tokenizer for the remainder of the coefficients. - u: no it's recording the dc as is. ...

...one at FOMS (Friday before), project overview at FOSDEM. But it's kind of the wrong order. - j: Can't be helped since the general one should be for the more general audience. ...

658: shouldn't be doing clamping in the metrics tools. can do this in the decoder instead. ...ou get noise amplification. Quantizing ref frames to 8bit is the source of the noise. ...

...n my branch. I can't figure out hwo to do that other than turn on AM after the block size decisions are made. ...definitely be normalized different. THe first results he reported were in the break even stage, and now we're sitting at 18% on PSNR. What changes caused ...

...ally slow. On some clips, at exceptionally low bit rates, e.g. 0.007 bpp, the lines do cross on some clips which is not what I would expect. - x: as far as I know this is the only place where 12 bit is not as good as 8bit ...

...than what we had before. but very small differences. i haven't tried it in the codec yet. - jm: just the prefilter, not the intra right? ...