| 摘要 |
PROBLEM TO BE SOLVED: To provide a target imaging detector that achieves reduction in misdetection of a target. SOLUTION: The target imaging detector includes first and second waveband imaging parts 1 and 2 for imaging the same target in two different wavebands; an error function calculating part 3 for substituting an image output signal y, from the first waveband imaging part into a function containing an error function expressed by f(y)=(Aexp(-By))/(1+erf(C+Dy)), by using parameters A-D to output the calculation results;an exponential function calculation part 4 for substituting an image output signal x from the second waveband imaging part into an exponential function, expressed by g(x)=exp(Ex<SP>2</SP>), by using a parameter E to output calculation results; and a target determining part 5 for determining that a detected signal is a signal from the target, when the calculation results output from the error function calculating part and the exponential function calculating part satisfy the relation g(x)≤f(y). COPYRIGHT: (C)2009,JPO&INPIT |
