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08/30/2011 12:30:30 AM · #1 |
Interesting.... far larger reduction with good rendering and compatible with existing JPEG std.... PNG died largely because of compatibility issues.... and somewhat similar to JPG2000.... So this is interesting....
JPEG "Mini" |
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08/30/2011 12:32:41 AM · #2 |
That's what is so wonderful about "standards", there are so many of them!
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08/30/2011 01:07:46 AM · #3 |
"The reports of my death are greatly exaggerated."
PNG Format |
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08/30/2011 01:16:43 AM · #4 |
Originally posted by Nordlys:
"The reports of my death are greatly exaggerated."
PNG Format |
To be fair... it's just in a box six foot down with someone throwing dirt on the top of it's box :-) It might just make a comeback or resurrection I guess :-/
I think I also posted the google format a while back that was floated (webp) but it's got a harder row to plough if this one is really really compatible not the regular "compatible" that we all live thru..... Google does not yet own the world as smells like the age old hubris - although maybe they can make a go of it. |
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08/30/2011 01:20:14 AM · #5 |
Originally posted by robs:
... if this one is really really compatible not the regular "compatible" that we all live thru..... |
We shall see if it's compatible with my 15-year old version of Photoshop -- then it might have a chance. |
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08/30/2011 08:48:33 AM · #6 |
Originally posted by GeneralE:
Originally posted by robs:
... if this one is really really compatible not the regular "compatible" that we all live thru..... |
We shall see if it's compatible with my 15-year old version of Photoshop -- then it might have a chance. |
It is. Because it's not a new format at all, it's just "optimized JPEG compression." From the website:
JPEGmini works by analyzing the input image using a unique quality detector which imitates the human visual system, and based on this analysis applying the maximum amount of compression which will not cause visible artifacts. For further details, see the technology section
Bottom line, all this does is to figure out how much normal JPEG compression can be done to a given image without perceptual changes.
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08/30/2011 09:17:19 AM · #7 |
Originally posted by kirbic:
Originally posted by GeneralE:
Originally posted by robs:
... if this one is really really compatible not the regular "compatible" that we all live thru..... |
We shall see if it's compatible with my 15-year old version of Photoshop -- then it might have a chance. |
It is. Because it's not a new format at all, it's just "optimized JPEG compression." From the website:
JPEGmini works by analyzing the input image using a unique quality detector which imitates the human visual system, and based on this analysis applying the maximum amount of compression which will not cause visible artifacts. For further details, see the technology section
Bottom line, all this does is to figure out how much normal JPEG compression can be done to a given image without perceptual changes. |
The rub is that you have to upload your pictures to their server and download the optimized version.
How can I use JPEGmini on my photos?
You can upload your photos to our online service, and download the optimized JPEGmini photos. Single photos do not require registration, and batch uploading full photo albums requires free registration, and there is currently no limit on the amount of photos you can process.
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08/30/2011 10:13:10 AM · #8 |
Originally posted by Nordlys:
"The reports of my death are greatly exaggerated."
PNG Format |
+1
PNG is not a good choice for photos, however it is the best available format for compressing line-art type images. It will produce smaller files than JPEG compression, while yielding better results. Some of the Excel charts that I've uploaded here have been posted as PNGs.
Remember, PNG was conceived to replace the .GIF format when Compuserve decided they were going to start demanding royalties on use of the format.
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08/30/2011 10:22:50 AM · #9 |
| So it does degrade image quality, just it tries to do so in imperceptible ways. Essentially if you're shooting in jpeg instead of raw I wouldn't use this on the files until you're sure you've done all the editing you want to (or have two version of the file - which kind of defeats the point). |
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08/30/2011 10:38:30 AM · #10 |
Like Fritz says... it's really just a different compression method within the JPG super-spec. It would obviously take Adobe and others to support as a file type saving method to really take off (think of another option on the save for web panel or similar).
Yeah I joke about PNG but still use them a lot for graphic type stuff - now that IE can deal with them they are a great choice for that type of application.... better transparency/alpha properties then GIF e.t.c. although it cannot do the animation last I knew so is not really a complete "replacement" for GIF (I believe there was an extension or something to PNG but too long ago and would have to google that). Not sure I agree completely on the not good for photos part... It can be but agree it's generally larger then JPG and for web use not much chop. It's still a failed format IMO. |
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