| 摘要 |
<p>An imaging system comprising an extracting section for extracting a block area of predetermined size from a signal outputted from an imaging device, a converting section for converting the signal of the extracted block area into a signal in a frequency space, an estimating section for estimating the noise quantity of the frequency components other than the zero-order component of the converted signal on the basis of the zero-order component, a noise reducing section for reducing noise concerning the frequency components other than the zero-order components according to the noise quantity, and a compressing section for compressing the zero-order component and the noise-reduced frequency components other than the zero-order component.</p> |
