http://code.activestate.com/recipes/tags/metric/2011-04-08T07:26:45-07:00ActiveState Code Recipes2011-04-08T07:26:45-07:00Denis Gorodetskiyhttp://code.activestate.com/recipes/users/4177587/http://code.activestate.com/recipes/577645-a-script-evaluating-psnr-metric-of-two-yuv420-fram/

<p style="color: grey"> Python recipe 577645 by <a href="/recipes/users/4177587/">Denis Gorodetskiy</a> (<a href="/recipes/tags/comparison/">comparison</a>, <a href="/recipes/tags/difference/">difference</a>, <a href="/recipes/tags/frame/">frame</a>, <a href="/recipes/tags/metric/">metric</a>, <a href="/recipes/tags/psnr/">psnr</a>, <a href="/recipes/tags/video/">video</a>, <a href="/recipes/tags/yuv/">yuv</a>). Revision 2. </p> <p>A script evaluating PSNR metric of two YUV420 frames <strong>usage: psnr.py filename1.yuv filename2.yuv frame_width frame_height</strong></p> <p>Alternatively if filename1 contains width and height in the form <strong>file-1200x1600.yuv</strong>, the script will extract width and height of a frame from the filename. Then usage even simplier: <strong>psnr.py filename1-1200x1600.yuv filename2.yuv</strong></p>

2009-10-11T18:39:58-07:00Daniel Sahahttp://code.activestate.com/recipes/users/4171644/http://code.activestate.com/recipes/576928-metric-prefix-symbol-and-decimal-quiz/

<p style="color: grey"> Python recipe 576928 by <a href="/recipes/users/4171644/">Daniel Saha</a> (<a href="/recipes/tags/base/">base</a>, <a href="/recipes/tags/decimal/">decimal</a>, <a href="/recipes/tags/metric/">metric</a>, <a href="/recipes/tags/prefix/">prefix</a>, <a href="/recipes/tags/symbol/">symbol</a>, <a href="/recipes/tags/units/">units</a>). Revision 3. </p> <p>Quiz on the metric prefixs, symbols, and decimals associated with each other.</p>