Blur - SVG blur applied to SVG image element

Image inserted via SVG with a SVG blur filter applied on hover

HTML

<svg height="1" width="1">
  <defs>
    <filter id="f1" x="0" y="0">
      <feGaussianBlur in="SourceGraphic" stdDeviation="15" />
    </filter>
  </defs>
  <image x="0" y="0" id="svg-image"  xlink:href="http://css-plus.com/examples/2012/03/gaussian-blur/i/fence.jpg" filter="url(#f1)" />
  
</svg>

CSS

svg { height: 100%; width:100%}
#svg-image{ width:110%; margin-left:-5%;}