发明名称 |
PROCESSING DEVICE, IMAGE PICKUP DEVICE AND PROCESSING METHOD |
摘要 |
A processing device which obtains distance information of a subject, including: a calculation unit configured to calculate the distance information of the subject from a difference in blur degree of a plurality of images photographed by an imaging optical system; a correcting unit configured to correct the distance information using correction data in accordance with an image height in the imaging optical system; and an extraction unit configured to extract at least one frequency component from each of the plurality of images, wherein the calculation unit calculates the distance information from a difference in blur degree in the plurality of images in the at least one frequency component; and the correcting unit corrects the distance information using correction data in accordance with an image height in the at least one frequency component. |
申请公布号 |
US2015092091(A1) |
申请公布日期 |
2015.04.02 |
申请号 |
US201414500789 |
申请日期 |
2014.09.29 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
Ishihara Keiichiro |
分类号 |
H04N5/232;H04N9/64 |
主分类号 |
H04N5/232 |
代理机构 |
|
代理人 |
|
主权项 |
1. A processing device which obtains distance information of a subject, comprising:
a calculation unit configured to calculate the distance information of the subject from a difference in blur degree of a plurality of images photographed by an imaging optical system; a correcting unit configured to correct the distance information using correction data in accordance with an image height in the imaging optical system; and an extraction unit configured to extract at least one frequency component from each of the plurality of images, wherein the calculation unit calculates the distance information from a difference in blur degree in the plurality of images in the at least one frequency component; and the correcting unit corrects the distance information using correction data in accordance with an image height in the at least one frequency component. |
地址 |
Tokyo JP |