parameters:
Example of code:
<defs>
<filter id="MyFilter" filterUnits="userSpaceOnUse" x="0" y="0" width="400" height="400">
<feImage xlink:href='puzzle.jpg' result='image1'/>
<feMorphology in='image1' radius='2,2' operator='dilate'/>
</filter>
</defs>
<use filter="url(#MyFilter)" x='0' y='0'/>

Figure 1: Examples of effect on JPEG and SVG picture

Figure 2: Using feMorphology on sourceAlpha, feDiffuseLighting and feComposite
Tool: you can modify operator,
x_radius, y_radius and see effect on JPEG or SVG picture
Example: effects on JPEG and SVG
picture
animation focussing on a picture
animations with radial gradient example 1
example 2
FrontPage feColorMatrix feComponentTransfer feSpecularLightning feDiffuseLightning feSpotLight feDistantLight fePointLight feFlood feImage feTurbulence feTile feMerge feBlend feComposite feGaussianBlur feMorphology feConvolveMatrix feDisplacementMap feOffset