<svg width="150" height="150" viewBox="0 0 150 150">
  <defs>
    <filter id="convolve">
      <feConvolveMatrix
        preserveAlpha="
        true
        false"
        kernelMatrix="
        bias=""/>
    </filter>

    <g id="flower">
      <!-- SVG goes here -->
    </g>
  </defs>

  <use xlink:href="#flower" style="filter: url(#convolve);"/>
</svg>