On Tuesday 08 July 2003 10:26, schnatte@xxxxxxx wrote: >> schnatte@xxxxxxx wrote: >> > Matlab supportes JPEG. But I want work with JPEG while to my >> > knowledge JPEG is compressed. Normal I want to work with bmp >> > but I heared it ist better with ppm. This is why I want to work >> > with it. Perhaps its false. >> >> I dont want to be rude, but your English is very hard to >> understand (although it is probably much better than my German!) >> It seemed you did *not* want JPEG *because* it is compressed. >> Right? >> >> If so, *why*? Non-compressed formats (or even expanded, if you use >> ascii) will exacerbate bandwidth problems. You must have a pretty >> good reason to reject compressed formats, but we still dont know >> what it is. > >Sorry for my english I know it, I will try to work on it. Its quite adequate for me. And thousands of times better than my comprehension of your native tongue. All the german I ever knew I got from translating 50 year old Telefunken schematics, which is now not very much, no recent refreshers. >For me a compressed image format is a format that have losses. >e.g. I take 5*5 pixels and calcul the mean of it. So the size is > smaller as further. In the normal status you dont see the quality > losses but if you zoom in. Do you understand, what I mean with > compressed? >OK but after I had saved the images I want to analyse it with > Matlab. And I've been afraid that if I use compressed images which > had information losses, the results are wrong. That's all. An entirely valid reason to avoid any lossy image format. -- Cheers, Gene AMD K6-III@500mhz 320M Athlon1600XP@1400mhz 512M 99.26% setiathome rank, not too shabby for a WV hillbilly Yahoo.com attornies please note, additions to this message by Gene Heskett are: Copyright 2003 by Maurice Eugene Heskett, all rights reserved.
