| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a signal processing method and a signal processing device that are capable of responding to various input signals and processing the input signals in a short time. <P>SOLUTION: A signal processing device comprises: a storage unit 20 that stores a filter generated based on a sample image and a power spectrum of the sample image in an associated manner; a filter selection unit 30 that calculates a power spectrum of an input image, selects a power spectrum approximate to the calculated power spectrum among plural power spectra stored in the storage unit 20, and selects a filter corresponding to the selected power spectrum among plural filters stored in the storage unit 20; and a convolution processing unit 40 that performs convolution processing on the input image using the selected filter. <P>COPYRIGHT: (C)2012,JPO&INPIT |
