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POPIL: Image resizing : Algorithm similar to firefox's
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  1. POPIL: Image resizing : Algorithm similar to firefox's
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    copied!<p>I'm getting about the same <em>bad looking</em> resizing from all the 4 algorithms of PIL</p> <pre><code>&gt;&gt;&gt; data = utils.fetch("http://wavestock.com/images/beta-icon.gif") &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.save("/home/ptarjan/www/tmp/metaward/original.png") &gt;&gt;&gt; &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.resize((36,36), Image.ANTIALIAS).save("/home/ptarjan/www/tmp/metaward/antialias.png") &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.resize((36,36), Image.BILINEAR).save("/home/ptarjan/www/tmp/metaward/bilinear.png") &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.resize((36,36), Image.BICUBIC).save("/home/ptarjan/www/tmp/metaward/bicubic.png") &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.resize((36,36), Image.NEAREST).save("/home/ptarjan/www/tmp/metaward/nearest.png") &gt;&gt;&gt; &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.thumbnail((36,36), Image.ANTIALIAS); image.save("/home/ptarjan/www/tmp/metaward/antialias-thumb.png") &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.thumbnail((36,36), Image.BILINEAR); image.save("/home/ptarjan/www/tmp/metaward/bilinear-thumb.png") &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.thumbnail((36,36), Image.BICUBIC); image.save("/home/ptarjan/www/tmp/metaward/bicubic-thumb.png") &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.thumbnail((36,36), Image.NEAREST); image.save("/home/ptarjan/www/tmp/metaward/nearest-thumb.png") &gt;&gt;&gt; &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.convert("RGB").resize((36,36), Image.ANTIALIAS).save("/home/ptarjan/www/tmp/metaward/antialias-rgb.png") &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.convert("RGB").resize((36,36), Image.BILINEAR).save("/home/ptarjan/www/tmp/metaward/bilinear-rgb.png") &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.convert("RGB").resize((36,36), Image.BICUBIC).save("/home/ptarjan/www/tmp/metaward/bicubic-rgb.png") &gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); image.convert("RGB").resize((36,36), Image.NEAREST).save("/home/ptarjan/www/tmp/metaward/nearest-rgb.png") </code></pre> <p>But the results look much worse that just resizing in firefox.</p> <p><a href="http://paulisageek.com/tmp/metaward/images.html" rel="nofollow noreferrer">http://paulisageek.com/tmp/metaward/images.html</a></p> <p>How can I get a similar effect to the firefox result using PIL (or another python image library)?</p> <p><strong>EDIT</strong> : Hover your mouse to see what each image is</p> <p><a href="http://paulisageek.com/tmp/metaward/original.png" rel="nofollow noreferrer" title="original">http://paulisageek.com/tmp/metaward/original.png</a> <a href="http://paulisageek.com/tmp/metaward/antialias.png" rel="nofollow noreferrer" title="antialias">http://paulisageek.com/tmp/metaward/antialias.png</a> <a href="http://paulisageek.com/tmp/metaward/bicubic.png" rel="nofollow noreferrer" title="bicubic">http://paulisageek.com/tmp/metaward/bicubic.png</a> <a href="http://paulisageek.com/tmp/metaward/bilinear.png" rel="nofollow noreferrer" title="bilinear">http://paulisageek.com/tmp/metaward/bilinear.png</a> <a href="http://paulisageek.com/tmp/metaward/nearest.png" rel="nofollow noreferrer" title="nearest">http://paulisageek.com/tmp/metaward/nearest.png</a> <a href="http://paulisageek.com/tmp/metaward/antialias-thumb.png" rel="nofollow noreferrer" title="antialias-thumb">http://paulisageek.com/tmp/metaward/antialias-thumb.png</a> <a href="http://paulisageek.com/tmp/metaward/bicubic-thumb.png" rel="nofollow noreferrer" title="bicubic-thumb">http://paulisageek.com/tmp/metaward/bicubic-thumb.png</a> <a href="http://paulisageek.com/tmp/metaward/bilinear-thumb.png" rel="nofollow noreferrer" title="bilinear-thumb">http://paulisageek.com/tmp/metaward/bilinear-thumb.png</a> <a href="http://paulisageek.com/tmp/metaward/nearest-thumb.png" rel="nofollow noreferrer" title="nearest-thumb">http://paulisageek.com/tmp/metaward/nearest-thumb.png</a> <a href="http://paulisageek.com/tmp/metaward/antialias-rgb.png" rel="nofollow noreferrer" title="antialias-rgb">http://paulisageek.com/tmp/metaward/antialias-rgb.png</a> <a href="http://paulisageek.com/tmp/metaward/bicubic-rgb.png" rel="nofollow noreferrer" title="bicubic-rgb">http://paulisageek.com/tmp/metaward/bicubic-rgb.png</a> <a href="http://paulisageek.com/tmp/metaward/bilinear-rgb.png" rel="nofollow noreferrer" title="bilinear-rgb">http://paulisageek.com/tmp/metaward/bilinear-rgb.png</a> <a href="http://paulisageek.com/tmp/metaward/nearest-rgb.png" rel="nofollow noreferrer" title="nearest-rgb">http://paulisageek.com/tmp/metaward/nearest-rgb.png</a></p> <p>It looks like the RGB and then ANTIALIS looks the best. Any other recommendations?</p> <p>For reference, this is the one that looked the best :</p> <pre><code>&gt;&gt;&gt; image = Image.open(StringIO.StringIO(data)); &gt;&gt;&gt; image.convert("RGB").resize((36,36), Image.ANTIALIAS) </code></pre>
 

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