Shrinking a picture --- and it becomes blur !!
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From: Paul Furman on 5 May 2008 12:12 > <hsyq8xg(a)gmail.com> wrote > >> Hello ! >> >> I do computer graphics as a hobby, and have produced quite a number of >> stunning graphics. Often time though, when I shrink the graphic to put >> them online, they become blurred !! Lee, Post a cropped sample of an original size and a reduced sample, and the method you used. Maybe someone can do better (or not). In photoshop, the bicubic sharper option in the pull-down ought to be a tad sharper. >> I do all kinds of computer graphics, from fractals to virtual >> landscape, to sci-fi rendering, using softwares ranging from photoshop >> to terragen to povray. >> >> When I am satisfied with a certain creation, I often make a master >> copy with the resolution of 8192 X 6144 pixel. Why that size? Because >> that's the largest size my puny computer (dual-core 3GHz CPU running >> XP with 4GB RAM) can produce within a reasonably timeframe. (Give or >> take 8 hours for rendering). >> >> As the filesize for a JPG with 8192 X 6144 resolution may go up to 30+ >> MB, I often have to shrink them to a more reasonable 1024 X 768, >> filesize about 800 KB or so. >> >> However, I found that when I do that, many interesting minute details >> that were in the 8K X 6K pictures (even when I shrink fit it to my >> 1024X768 desktop as wallpaper) are GONE. In the 1024 X 768 JPG files, >> all those details become blurred. No matter it's a JPG ---> JPG >> shrink, or BMP ---> JPG shrink, or TIFF ---> JPG shrink, all those >> details are GONE !! >> >> I have experimented with many different graphic / photo softwares in >> the shrinking process, all of them give me the same "blurring" effect. >> >> Now my questions to all you Gurus as below --- >> >> 1. Can you tell me of the best way to shrink a 8192X6144 size graphic >> to >> 1024X768 size graphic without losing the interesting details? >> >> 2. Which software do you recommend to carry out the shrinking >> operation? >> >> Thank you all in advance !!! >> >> Sincerely, >> Lee -- Paul Furman www.edgehill.net www.baynatives.com all google groups messages filtered due to spam |