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Thread: Fuzzy text on jpegs


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Permlink Replies: 18 - Pages: 2 [ Previous | 1 2 ] - Last Post: Jun 26, 2012 8:46 PM Last Post By: punchygonzales
divorcedoctor

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Registered: 07/11/10
Re: Fuzzy text on jpegs
Posted: Jun 26, 2012 5:10 PM   in response to: man2010 in response to: man2010
 
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Change the extension to .mobi and use Mobi Unpack.
You can do the same with .prc files.

another thought is maybe Amazon does GLOBAL compression within the azw file?

by that I mean a jpg file IS a compressed file and the author should already have applied the optimum compression aka quality to keep it or a gif below 126 kb or whatever the figure is this month and Amazon will not change it or so they say.

so a zip facility can't compress it any further unlike the html which is typical reduced to 10% or less BUT seems to me a smart machine could use global compression over the whole 115 files.

is that a possible explanation because I can't see any degradation in any of the images from Jason.

I think that is how MicroSoft DoubleSpace worked back in 1994 in Win 3.1xxx
man2010

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Re: Fuzzy text on jpegs
Posted: Jun 26, 2012 7:38 PM   in response to: divorcedoctor in response to: divorcedoctor
 
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in my experience, compression of JPEGs using the best algorithm will be miniscule, whether you compress one image or 100.

the degradation of quality may not be visible in all images, after all, JPEG is a clever format.

if you unpack the mobi file, you will see that KindleGen did downsize the JPEGs, it did not compress them.
divorcedoctor

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Registered: 07/11/10
Re: Fuzzy text on jpegs
Posted: Jun 26, 2012 7:56 PM   in response to: jtbigtoad in response to: jtbigtoad
 
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Think it as adding Blue berries to muffin batter if
you add them in at the beginning you get purple mush
if you add them last they will stay pretty whole.

JT

;)


but never forget Toady that after all that RESIZING the Kindle "BROWSER" then does very clever SCALING things on certain days of the week - lol as I discovered by experimenting.

in your words the muffin itself gets squashed down to a muslei bar

In this Blog I show that the scaling gave NINE different sizes of image so as not to leave a blank space on the lower part of a page.

http://kindlecoversandformat.blogspot.com.au/2011/12/amazon-kindle-has-unbelievablee.html
punchygonzales

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Registered: 11/26/11
Re: Fuzzy text on jpegs
Posted: Jun 26, 2012 8:46 PM   in response to: booknookbiz in response to: booknookbiz
 
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"The problem occurs when people create images in programs that don't anti-alias the text (or don't use SVG fonts)."

I haven't seen a graphics program that didn't automatically do anti-aliasing since Lincoln was president. I highly doubt the OP is using a program that old. Besides, an aliased image (whether photo or text) doesn't look fuzzy. It looks jagged and broken up. It sounds to me like his images are being resized in the reader.
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