similar to: NHW Project - major quality improvement for -l1->-l4 settings

I don't mind at all. I imagine there are more people like me out there who have been following your work, but haven't said anything. I agree that a series of pages explaining how things work may lead to more contributions. At the very least it would lead to more people being better educated on how wavelets work in image compression. But, this is your project, if you don't have the

Hi David! Many thanks for your very encouraging and kind feedback!!! (Hope you don't mind that I made your post public on the Theora channel). I try to be the more sincere as I can in my posts.Some people suggested me to make demo pages to explain how the codec works step by step, and I realize that it would be good, because certainly it will show that the NHW codec is not that complex and

Hello, I have re-tested -l4 high compression setting and it's clear that it lacks of precision on degraded, rather blurred images. So I don't know if it is a good idea to base the other lower quality settings (-l5,-l6,...) on -l4 setting.I have tested the NHW codec against x265, x264, Daala, WebP, Rududu, DLI and it's clear that at high compression these very good codecs have more

Hello, For those interested, I have added a -l4 high compression setting to the NHW codec ( http://nhwcodec.blogspot.com/ ).This setting is very experimental, I have boosted the sharpness for this one, but it can lack of precision on low contrast areas. This setting still maintains a good neatness and when it will be validated, I will then make a new 0.1.4 version for the NHW Project. High

Hello, I have improved quality for -l3,-l4,-l5 settings.I have diminished residual coding and I have raised again quantization.These settings are now better. Update at: http://nhwcodec.blogspot.com/ The NHW Project with this version starts to be competitive at high compression with x265. Any feedback welcome! Cheers, Raphael -------------- next part -------------- An HTML attachment was

Of course I will! On Sat, Apr 28, 2018, 4:06 PM Raphael Canut <nhwcodec at gmail.com> wrote: > Thank you so much Sir!!! > > If you have time, do not hesitate to let us know what you would think of > the NHW Project.Any remark, opinion would be very welcome! > > Many thanks again! > Best regards, > Raphael > > 2018-04-28 23:02 GMT+02:00 Dave Johnson Games

Cool, I'll check it out. On Sat, Apr 28, 2018, 3:09 PM Raphael Canut <nhwcodec at gmail.com> wrote: > Hello Dave, > > Thank you very much for your support and your interest. > > Actually so few people took a look at the NHW Project, but with this > version the NHW Project is becoming very interesting, it is royalty-free > and very fast furthermore. > > Really

Hello, I have improved quality for -l1->-l4 settings.I have properly set up the wavelet coeff threshold of the dead-zone according to the different wavelet subbands, I have then saved another 1Ko per .nhw files without noticeable difference and so I have raised again the quantization.The reconstructed images have now a better precision and still a good neatness. Update at:

Hello, I have improved quality for -l4 and -l5 high compression settings.These settings are now really better and very competitive, I now prefer them compared to x265 (HEVC). Update at: http://nhwcodec.blogspot.com/ I am also working on -l6 quality setting, I can simply increase quantization for it but I am not totally satisfied with this solution for now... Looking for more advanced processing

Thank you so much Sir!!! If you have time, do not hesitate to let us know what you would think of the NHW Project.Any remark, opinion would be very welcome! Many thanks again! Best regards, Raphael 2018-04-28 23:02 GMT+02:00 Dave Johnson Games <davefilms.us at gmail.com>: > Cool, I'll check it out. > > On Sat, Apr 28, 2018, 3:09 PM Raphael Canut <nhwcodec at gmail.com>

Hello Dave, Thank you very much for your support and your interest. Actually so few people took a look at the NHW Project, but with this version the NHW Project is becoming very interesting, it is royalty-free and very fast furthermore. Really if you could find time, I would be very interested in any opinion from the Xiph.org community! Cheers, Raphael 2018-04-28 21:40 GMT+02:00 Dave

Hello, I don't have really advanced on -l5 and -l6 high compression settings, but I know what bits to remove while still keeping a good image neatness/sharpness, I just need to translate these ideas into lines of code, which is not that easy... I realize now that the NHW Project was really lacking high compression settings, and now that I have started to add high compression, it really gives

Hello, I wanted to let you know that I have released a new -l13 very high compression quality setting for the NHW Project (and we can still save 2.5KB per .nhw compressed file). I find this -l13 quality setting very competitive (I will maybe use some of its processing to improve -l12 setting).Compared to x265 (HEVC), I have tested on 15 rather good quality images, and I visually prefer the

Hello Dave, Thank you very much for your help! Cheers, Raphael 2018-07-10 9:39 GMT+02:00 Dave Johnson Games <davefilms.us at gmail.com>: > Let me do some looking. > > On Mon, Jul 9, 2018, 4:55 PM Raphael Canut <nhwcodec at gmail.com> wrote: > >> Hello Dave! >> >> Thank you very much for your answer! >> >> You're right.I have thought

Hello, I think I have nearly validated the -l8 "very high compression" setting, I have started to work on -l9 setting, and I have just tested these ones against x265 (HEVC), and on rather good quality images, they are very competitive, that's not a joke!!! I have tested -l8 quality setting on 30 rather good quality images against x265, and on 20-22 images I prefer the results of the

Hello all, Finally find some time to get back to the NHW Project.I was thinking about making a technology demo, and I wanted to highlight the uniqueness of the NHW codec that is neatness/sharpness preserving or enhancement.With my eyes, I can see that the NHW codec has more neatness/sharpness than the other codecs (x265, x264, WebP, Rududu, JPEG,...), but for a demo there must be objective

I think Apple is somehow "attached" to the MPEG group. They control the "pools" too. Your codec sounds great. Google could -- if they wanted to -- use it but they have Web^M and webP. Look to Asia. Asus has just launched a new phone. ?? On Mon, Jul 9, 2018, 3:14 PM Raphael Canut <nhwcodec at gmail.com> wrote: > Hello, > > I don't have advanced on the NHW

Hello, I have improved a little the NHW codec.I have improved the dequantization in the wavelet HH band, and little improved the -l2 (and lower) quality setting.I have also added a -l3 lower quality setting (-15Ko, exp), I have increased the quantization for this other setting, and I start to remove higher wavelet coefficients, but this is not optimal... The artifacts start to be noticeable for

You're welcome! On Tue, Jul 10, 2018, 4:50 AM Raphael Canut <nhwcodec at gmail.com> wrote: > Hello Dave, > > Thank you very much for your help! > > Cheers, > Raphael > > 2018-07-10 9:39 GMT+02:00 Dave Johnson Games <davefilms.us at gmail.com>: > >> Let me do some looking. >> >> On Mon, Jul 9, 2018, 4:55 PM Raphael Canut <nhwcodec at

Hello, Just a word to let you know that I have improved -l7 high compression quality setting, thanks to a new processing and I have also corrected an error in the residual coding.Now it has more neatness/definition.Files size is also a little smaller (and please keep in mind that the entropy coding schemes are not optimal for now, so we can save 1.5Ko-2Ko per .nhw file). Actually I find -l7