parameter
You can only play with opacity on each picture.
Example of code:
<defs> <filter id="MyFilter" filterUnits="userSpaceOnUse" x="0" y="0" width="400" height="400"> <feImage xlink:href='fondu3.jpg' result='pict1'/> <feImage xlink:href='bateau.jpg' result='pict2'/> <feMerge> <feMergeNode in="pict1"/> <feMergeNode in="pict2"/> </feMerge> </filter> </defs> <use filter="url(#MyFilter)" x='0' y='0'/>
Figure 1: feMerge with two JPEG pictures
Tool: you can choose your pictures and their opacity
FrontPage feColorMatrix feComponentTransfer feSpecularLightning feDiffuseLightning feSpotLight feDistantLight fePointLight feFlood feImage feTurbulence feTile feMerge feBlend feComposite feGaussianBlur feMorphology feConvolveMatrix feDisplacementMap feOffset