Archived posting to the Leica Users Group, 2007/01/12

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Subject: [Leica] M8 Article in LFI: Lossy Algorithim
From: glehrer at san.rr.com (Jerry Lehrer)
Date: Fri Jan 12 17:20:38 2007
References: <011220070218.22621.45A6EFE90000E3510000585D219791332903010CD2079C080C03BF970A9D9F9A0B9D09@mchsi.com> <012c01c735f6$8b2c6d40$6401a8c0@FrankDell2>

Frank Filippone wrote:
> Loss...
>
> Lossy or almost lossy algorithms are subjective judgments.  This is not an 
> objective optical assessment.
>
> If you are a real expert in imaging ( not photography, imaging) lossy 
> artifacts are obvious ( to a point). People that designed the
> jpg and mpeg algorithms could see stuff that seemed impossible for me to 
> see.   For the occasional user ( like Grandma looking at
> Peggy Sue's graduation pictures) loss is no big deal, and it appears 
> non-lossy.
>
> Do not buy off on someone else's assessment of lossy algorithms.  See them 
> for yourself and make your own call.  Remember, image
> size IS important.  Blow up the images to the size you expect you will 
> need, and view them from the distance you expect to use.
> Then you can make a suitable assessment for yourself.
>
> You may find that one man's almost lossless is another man's way too lossy.
>
> Frank Filippone
> red735i@earthlink.net 
>
>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>
>   
Frank,

As my former boss would say; "Image is everything"  He was a noted poseur!

Jerry

In reply to: Message from grduprey at mchsi.com (grduprey@mchsi.com) ([Leica] M8 Article in LFI)
Message from red735i at earthlink.net (Frank Filippone) ([Leica] M8 Article in LFI: Lossy Algorithim)