| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique capable of improving detection accuracy of a detection target image.SOLUTION: A grouping processing part 5 groups a plurality of detection result areas detected by a detection part 3 on the basis of positions of the detection result areas. A map generation part 4 generates a map indicating distribution of accuracy values indicating accuracy as a detection target image in the detection target image. An independent area specification part 8 specifies independent areas included in a high accuracy area in a binarized map. A threshold adjustment part 6 adjusts a threshold so that the number of independent areas specified by the independent area specification part 8 coincides with the number of groups obtained by grouping processing part 5. A detection target image specification part 9 specifies the detection target image on the basis of the independent areas included in the high accuracy area of the binarized map generated by using the threshold adjusted by the threshold adjustment part 6. |
