| 发明名称 | Determining a depth map from images of a scene | ||
| 摘要 | Methods for determining a depth measurement of a scene which involve capturing at least two images of the scene with different camera parameters, and selecting corresponding image patches in each scene. A first approach calculates a plurality of complex responses for each image patch using a plurality of different quadrature filters, each complex response having a magnitude and a phase, assigns, for each quadrature filter, a weighting to the complex responses in the corresponding image patches, the weighting being determined by a relationship of the phases of the complex responses, and determines the depth measurement of the scene from a combination of the weighted complex responses. | ||
| 申请公布号 | US9117277(B2) | 申请公布日期 | 2015.08.25 |
| 申请号 | US201313855285 | 申请日期 | 2013.04.02 |
| 申请人 | Canon Kabushiki Kaisha | 发明人 | Morgan-Mar David Peter;Larkin Kieran Gerard;Arnison Matthew Raphael;Fletcher Peter Alleine;Pham Tuan Quang |
| 分类号 | G06K9/00;G06T7/00 | 主分类号 | G06K9/00 |
| 代理机构 | Canon U.S.A., Inc. IP Division | 代理人 | Canon U.S.A., Inc. IP Division |
| 主权项 | 1. A method of determining a depth measurement of a scene, the method comprising: capturing at least two images of the scene with different camera parameters; selecting corresponding image patches in each scene; calculating a plurality of complex responses for each image patch using a plurality of different quadrature filters , each said complex response having a magnitude and a phase, assigning, for each quadrature filter, a weighting to the complex responses in the corresponding image patches, said weighting being determined by a relationship of the phases of the complex responses; and determining the depth measurement of the scene from a combination of the weighted complex responses. | ||
| 地址 | Tokyo JP | ||