A method of sonically detecting a sonic act such as a graffiti-making act or firearm shot includes providing a sonic act detection system to sonically detect a sonic act and a camera to take an image of a perpetrator of the sonic act; locating the sonic act detection system and the camera near a location where the sonic act is prone to occur; sonically detecting with said sonic act detection system a sonic act; obtaining one or more images of the perpetrator of the sonic act with the camera; communicating to one or more entities that sonic act has been detected.

 
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< Physiological model based non-rigid image registration

> Wave-transmitting cover, and method for producing it

> Image recording body and image forming apparatus by use of the same

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