1. A miniature autonomous apparatus for scene interpretation, comprising: image acquisition means; image processing means directly connected with said image acquisition means; memory means connected with said image acquisition means and with said processing means; power supply; and communication means, wherein said processing means comprise: means for determining an initial parametric representation of said scene; means for updating said parametric representation according to predefined criteria; means for analyzing said image, said means for analyzing comprising: means for determining, for each pixel of said image, whether it is a hot pixel, according to predefined criteria; means for defining at least one target from said hot pixels; means for measuring predefined parameters for at least one of said at least one target; and means for determining, for at least one of said at least one target whether said target is of interest, according to application-specific criteria, and wherein said communication means are adapted to output the results of said analysis.