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2025-07-16 14:41:19 +03:00
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The files in this directory are a few sample images and documents
stored as raw bi-level image entities (BIE) (the data stream specified
by the JBIG standard).
The source data for the test examples ccitt* and lena.bie is available from
ftp://ftp.funet.fi/pub/graphics/misc/test-images/

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% MATLAB code to generate test files that exercise a JBIG codec
width = 1200;
img = [];
for y=1:650;
mx = ceil(y / 5);
line = uint8(repmat(round(rand(1,mx)),1,ceil(width/mx))) == 1;
img = [img ; line(1:width)];
end
imwrite(img, 'mx.png', 'PNG');

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P5
2
2
4294967295
abcdABCD9876WXYZ

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Width:  |  Height:  |  Size: 73 KiB

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