v.convolve v.convolve performs a 3 x 3 convolution of the input. v.convolve performs a 3 x 3 convolution of the input. 9 floats are used to define the convolution. The results range from blurring to sharpening to various more extreme effect. v.convolve is very processor-efficient.	from the library : softVNS Format : External Environment : jitter / max commercial Max 4.x http://homepage.mac.com/davidrokeby/softVNS.html