Patent ID: 11906288
Assignee: SEIKO EPSON CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 7:
8. A three-dimensional shape measuring device comprising:
a projector projecting a first grid pattern based on a first light and a first full pattern based on a second light onto a target object, the first light and the second light being lights of two colors included in three primary colors of light;
a three-color camera picking up an image of the first grid pattern and the first full pattern projected on the target object and acquiring a first picked-up image based on the first light and a second picked-up image based on the second light; and
a computing unit calculating height information of the target object, using the first picked-up image, and calculating position information of the target object, using the second picked-up image.