| 摘要 |
<P>PROBLEM TO BE SOLVED: To extract information by using maximum a posteriori probability estimation, and to reduce computational complexity at that time. <P>SOLUTION: An input image photographed by an input device (CCD103) is stored in an input image buffer 171 of a memory 107 installed on a decode substrate 106. Data stored in an input image buffer 171, an extraction bar code image buffer 172, a pre-processing bar code image buffer 173, a M-scan line buffer 174, a high resolution scan line buffer 176, an edge emphasis high resolution scan line buffer 177 of the memory 107 are supplied to a bar code area extraction part 151, an image correction part 153 and a scan line acquisition part 154 of a pre-processing part 152, a high resolution execution part 155, a post-processing part 156, and a bar code reading part 157 of a CPU part 105. Furthermore, the identified characters are stored in a bar code reading result buffer 178 of the memory 107, and extracted to an output device 109. <P>COPYRIGHT: (C)2008,JPO&INPIT |
