Re: Studying Lossy Image Compression Efficiency

2013-10-21 Thread stephanepechard
> I have a couple of fundamental issues with how you're calculating 3 of the 4 > metrics (all but RGB-SSIM, which I didn't think too much about) You are right about it, methodology is not clear on this point. > First, am I correct in my reading of your methodology that for all metrics, > you en

Re: Studying Lossy Image Compression Efficiency

2013-10-19 Thread stephanepechard
I'll just talk about the quality evaluation aspects of this study, as it is a field I know quite well (PhD on the topic, even if in video specifically). > I think the most important kind of comparison to do is a subjective blind > test with real people. This is of course produces less accurate