公开(公告)号：US11076146B1

公开(公告)日：2021-07-27

申请号：US17206581

申请日：2021-03-19

Applicant: 3SHAPE A/S

Inventor： Rune Fisker ,  Henrik Öjelund ,  Rasmus Kjær ,  Mike van der Poel ,  Arish A. Qazi ,  Karl-Josef Hollenbeck

IPC: H04N13/296 ,  A61B5/00 ,  G01B11/25 ,  A61B5/107

Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

公开(公告)号：US12155812B2

公开(公告)日：2024-11-26

申请号：US18732173

申请日：2024-06-03

Applicant: 3SHAPE A/S

Inventor： Rune Fisker ,  Henrik Öjelund ,  Rasmus Kjær ,  Mike Van Der Poel ,  Arish A. Qazi ,  Karl-Josef Hollenbeck

IPC: H04N13/296 ,  A61B5/00 ,  A61B5/107 ,  G01B11/25

Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

公开(公告)号：US10595010B2

公开(公告)日：2020-03-17

申请号：US16433369

申请日：2019-06-06

Applicant: 3SHAPE A/S

Inventor： Rune Fisker ,  Henrik Ôjelund ,  Rasmus Kjær ,  Mike van der Poel ,  Arish A. Qazi ,  Karl-Josef Hollenbeck

IPC: H04N13/296 ,  A61B5/00 ,  G01B11/25 ,  A61B5/107

Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

公开(公告)号：US20150054922A1

公开(公告)日：2015-02-26

申请号：US14502230

申请日：2014-09-30

Applicant: 3SHAPE A/S

Inventor： Rune FISKER ,  Henrik Öjelund ,  Rasmus Kjær ,  Mike Van Der Poel ,  Arish A. Qazi ,  Karl-Josef Hollenbeck

IPC: H04N13/02 ,  A61B5/00 ,  A61B5/107 ,  G01B11/25

CPC classification number: H04N13/296 ,  A61B5/0068 ,  A61B5/1075 ,  A61B5/1076 ,  A61B5/1077 ,  A61B5/4547 ,  G01B11/2513 ,  G01B11/2518 ,  G01B2210/58

Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

Abstract translation: 扫描器包括相机，用于产生包含空间图案的探测光的光源，用于将探测光发送到物体并用于将从物体返回的光的至少一部分传输到相机的光学系统，焦点 在所述光学系统内用于改变所述物体上的空间图案的聚焦平面的位置的单元，用于从所述传感器元件阵列获得至少一个图像，用于评估在至少一个 图像像素和加权函数的处理器，用于针对焦距平面位置的范围确定多个图像像素中的每一个的对焦位置的处理器或用于焦距范围的多组图像像素中的每一个 平面位置，并将对焦数据转换为3D现实世界坐标。

公开(公告)号：US10349042B1

公开(公告)日：2019-07-09

申请号：US16289097

申请日：2019-02-28

Applicant: 3SHAPE A/S

Inventor： Rune Fisker ,  Henrik Öjelund ,  Rasmus Kjær ,  Mike van der Poel ,  Arish A. Qazi ,  Karl-Josef Hollenbeck

IPC: H04N13/296 ,  G01B11/25 ,  A61B5/00 ,  A61B5/107

Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

公开(公告)号：US10097815B2

公开(公告)日：2018-10-09

申请号：US14502230

申请日：2014-09-30

Applicant: 3SHAPE A/S

Inventor： Rune Fisker ,  Henrik Öjelund ,  Rasmus Kjær ,  Mike Van Der Poel ,  Arish A. Qazi ,  Karl-Josef Hollenbeck

IPC: H04N13/296 ,  A61B5/00 ,  A61B5/107 ,  G01B11/25

Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

公开(公告)号：US11051002B2

公开(公告)日：2021-06-29

申请号：US16774843

申请日：2020-01-28

Applicant: 3SHAPE A/S

Inventor： Rune Fisker ,  Henrik Ôjelund ,  Rasmus Kjær ,  Mike van der Poel ,  Arish A. Qazi ,  Karl-Josef Hollenbeck

IPC: H04N13/296 ,  A61B5/00 ,  G01B11/25 ,  A61B5/107

Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

公开(公告)号：US11022432B2

公开(公告)日：2021-06-01

申请号：US16485919

申请日：2018-02-14

Applicant: 3SHAPE A/S

Inventor： Karl-Josef Hollenbeck ,  Henrik Öjelund ,  Rasmus Kjær

IPC: G01B11/245 ,  A61C9/00 ,  G05B19/401 ,  H04N13/254 ,  G06T7/246 ,  G06T7/00 ,  H04N13/296 ,  G06T17/00

Abstract: Disclosed is 3D scanning using a 3D scanner configured for detecting when the scanned object is at rest in the scan volume of the 3D scanner.

公开(公告)号：US10349041B2

公开(公告)日：2019-07-09

申请号：US15974105

申请日：2018-05-08

Applicant: 3SHAPE A/S

Inventor： Rune Fisker ,  Henrik Ojelund ,  Rasmus Kjær ,  Mike van der Poel ,  Arish A. Qazi ,  Karl-Josef Hollenbeck

IPC: H04N13/296 ,  A61B5/00 ,  A61B5/107 ,  G01B11/25

Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

公开(公告)号：US10326982B2

公开(公告)日：2019-06-18

申请号：US16217943

申请日：2018-12-12

Applicant: 3SHAPE A/S

Inventor： Rune Fisker ,  Henrik Ôjelund ,  Rasmus Kjær ,  Mike van der Poel ,  Arish A. Qazi ,  Karl-Josef Hollenbeck

IPC: H04N13/296 ,  A61B5/107 ,  G01B11/25 ,  A61B5/00

Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.