| 发明名称 |
IMAGE PROCESSING APPARATUS, RADIATION IMAGING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM |
| 摘要 |
An image processing apparatus includes: a dark correction unit configured to obtain a dark corrected image by removing a dark image obtained in a state without radiation irradiation from an object image obtained by radiation irradiation; an addition value obtaining unit configured to analyze pixel values included in a plurality of dark corrected images and, based on an analysis result of the pixel values including a negative pixel value, obtain an addition value used to correct the negative pixel value; and an adding unit configured to add the addition value to the pixel values of the dark corrected image. |
| 申请公布号 |
US2016366353(A1) |
申请公布日期 |
2016.12.15 |
| 申请号 |
US201615172638 |
申请日期 |
2016.06.03 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
Kobayashi Tsuyoshi |
| 分类号 |
H04N5/361;A61B6/04;A61B6/00;H04N5/378 |
主分类号 |
H04N5/361 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An image processing apparatus comprising:
a dark correction unit configured to obtain a dark corrected image by removing a dark image obtained in a state without radiation irradiation from an object image obtained by radiation irradiation; an addition value obtaining unit configured to analyze pixel values included in a plurality of dark corrected images and, based on an analysis result of the pixel values including a negative pixel value, obtain an addition value used to correct the negative pixel value; and an adding unit configured to add the addition value to the pixel values of the dark corrected image. |
| 地址 |
Tokyo JP |
