公开(公告)号：US20150062558A1

公开(公告)日：2015-03-05

申请号：US14478858

申请日：2014-09-05

Applicant: Texas Instruments Incorporated

Inventor： Sanjeev Jagannatha Koppal ,  Vikram VijayanBabu Appia

IPC: G01S17/89

CPC classification number: G01S17/89 ,  G01B11/2527 ,  G01S17/46

Abstract: A method for computing a depth map of a scene in a structured light imaging system including a time-of-flight (TOF) sensor and a projector is provided that includes capturing a plurality of high frequency phase-shifted structured light images of the scene using a camera in the structured light imaging system, generating, concurrently with the capturing of the plurality of high frequency phase-shifted structured light images, a time-of-flight (TOF) depth image of the scene using the TOF sensor, and computing the depth map from the plurality of high frequency phase-shifted structured light images wherein the TOF depth image is used for phase unwrapping.

Abstract translation: 提供了一种用于计算包括飞行时间（TOF）传感器和投影仪的结构化光成像系统中的场景的深度图的方法，其包括使用所述场景的多个高频相移结构光图像捕获 在所述结构化光成像系统中的相机，与所述多个高频相移结构光图像的拍摄同时生成使用所述TOF传感器的所述场景的飞行时间（TOF）深度图像，并且计算 来自多个高频相移结构光图像的深度图，其中TOF深度图像用于相位展开。

公开(公告)号：US10739463B2

公开(公告)日：2020-08-11

申请号：US16039114

申请日：2018-07-18

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Sanjeev Jagannatha Koppal ,  Vikram VijayanBabu Appia

IPC: G01S17/89 ,  G01S17/46 ,  G01B11/25

Abstract: A method for computing a depth map of a scene in a structured light imaging system including a time-of-flight (TOF) sensor and a projector is provided that includes capturing a plurality of high frequency phase-shifted structured light images of the scene using a camera in the structured light imaging system, generating, concurrently with the capturing of the plurality of high frequency phase-shifted structured light images, a time-of-flight (TOF) depth image of the scene using the TOF sensor, and computing the depth map from the plurality of high frequency phase-shifted structured light images wherein the TOF depth image is used for phase unwrapping.

公开(公告)号：US20200333467A1

公开(公告)日：2020-10-22

申请号：US16920832

申请日：2020-07-06

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Sanjeev Jagannatha Koppal ,  Vikram VijayanBabu Appia

IPC: G01S17/89 ,  G01S17/46 ,  G01B11/25

Abstract: A method for computing a depth map of a scene in a structured light imaging system including a time-of-flight (TOF) sensor and a projector is provided that includes capturing a plurality of high frequency phase-shifted structured light images of the scene using a camera in the structured light imaging system, generating, concurrently with the capturing of the plurality of high frequency phase-shifted structured light images, a time-of-flight (TOF) depth image of the scene using the TOF sensor, and computing the depth map from the plurality of high frequency phase-shifted structured light images wherein the TOF depth image is used for phase unwrapping.

公开(公告)号：US10079970B2

公开(公告)日：2018-09-18

申请号：US14292900

申请日：2014-05-31

Applicant: Texas Instruments Incorporated

Inventor： Sanjeev Jagannatha Koppal

IPC: H04N5/232 ,  G06T5/00 ,  G06T5/50

CPC classification number: H04N5/23212 ,  G06T5/002 ,  G06T5/50 ,  G06T2200/04 ,  G06T2207/10028 ,  G06T2207/30201 ,  H04N5/23219

Abstract: A method of controlling image focus in a digital imaging system is provided that includes receiving a depth-scene image pair generated by a depth-scene image sensor pair comprised in the digital imaging system, aligning the depth image with the scene image wherein each pixel in the scene image has a corresponding depth in the aligned depth image, detecting a user gesture associated with a focus effect, and blurring, responsive to the user gesture, at least a portion of the scene image according to the focus effect, wherein the blurring is based on depths in the depth image.

公开(公告)号：US10061028B2

公开(公告)日：2018-08-28

申请号：US14478858

申请日：2014-09-05

Applicant: Texas Instruments Incorporated

Inventor： Sanjeev Jagannatha Koppal ,  Vikram VijayanBabu Appia

IPC: G01S17/89 ,  G01S17/46 ,  G01B11/25

CPC classification number: G01S17/89 ,  G01B11/2527 ,  G01S17/46

Abstract: A method for computing a depth map of a scene in a structured light imaging system including a time-of-flight (TOF) sensor and a projector is provided that includes capturing a plurality of high frequency phase-shifted structured light images of the scene using a camera in the structured light imaging system, generating, concurrently with the capturing of the plurality of high frequency phase-shifted structured light images, a time-of-flight (TOF) depth image of the scene using the TOF sensor, and computing the depth map from the plurality of high frequency phase-shifted structured light images wherein the TOF depth image is used for phase unwrapping.

公开(公告)号：US20150023563A1

公开(公告)日：2015-01-22

申请号：US14292897

申请日：2014-05-31

Applicant: Texas Instruments Incorporated

Inventor： Sanjeev Jagannatha Koppal

IPC: G06T7/00 ,  G06T5/00

CPC classification number: G06T5/50 ,  G06T7/30 ,  G06T2207/10016 ,  G06T2207/10024 ,  G06T2207/10028

Abstract: A method of improving depth sensor data in real-time based on scene sensor data is provided that includes aligning depth images of depth-scene image pairs generated by a depth-scene image sensor pair with corresponding scene images wherein, for each depth-scene image pair, the depth image is warped such that locations of depths in the depth image are aligned with locations of corresponding pixels in the scene image, and improving at least some of the aligned depth images based on image data from one or more of the scene images.

Abstract translation: 提供了一种基于场景传感器数据实时改进深度传感器数据的方法，其包括将由深度场景图像传感器对生成的深度场景图像对的深度图像与对应的场景图像对准，其中对于每个深度场景图像 深度图像变形，使得深度图像中的深度的位置与场景图像中的相应像素的位置对准，并且基于来自一个或多个场景图像的图像数据来改善对准的深度图像中的至少一些 。

公开(公告)号：US20150022649A1

公开(公告)日：2015-01-22

申请号：US14292900

申请日：2014-05-31

Applicant: Texas Instruments Incorporated

Inventor： Sanjeev Jagannatha Koppal

IPC: H04N5/232 ,  G06T7/00 ,  G06F3/01

CPC classification number: H04N5/23212 ,  G06T5/002 ,  G06T5/50 ,  G06T2200/04 ,  G06T2207/10028 ,  G06T2207/30201 ,  H04N5/23219

Abstract: A method of controlling image focus in a digital imaging system is provided that includes receiving a depth-scene image pair generated by a depth-scene image sensor pair comprised in the digital imaging system, aligning the depth image with the scene image wherein each pixel in the scene image has a corresponding depth in the aligned depth image, detecting a user gesture associated with a focus effect, and blurring, responsive to the user gesture, at least a portion of the scene image according to the focus effect, wherein the blurring is based on depths in the depth image.

Abstract translation: 提供了一种控制数字成像系统中的图像焦点的方法，包括：接收由数字成像系统中包括的深度场景图像传感器对生成的深度场景图像对，将深度图像与场景图像对准，其中每个像素 所述场景图像在对准的深度图像中具有对应的深度，根据所述焦点效果，响应于所述用户手势来检测与焦点效果相关联的用户手势，以及模糊所述场景图像的至少一部分，其中所述模糊是 基于深度图像的深度。

公开(公告)号：US11867500B2

公开(公告)日：2024-01-09

申请号：US16920832

申请日：2020-07-06

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Sanjeev Jagannatha Koppal ,  Vikram Vijayanbabu Appia

IPC: G01B11/25 ,  G01S17/46 ,  G01S17/894

CPC classification number: G01B11/2527 ,  G01S17/46 ,  G01S17/894

Abstract: A method for computing a depth map of a scene in a structured light imaging system including a time-of-flight (TOF) sensor and a projector is provided that includes capturing a plurality of high frequency phase-shifted structured light images of the scene using a camera in the structured light imaging system, generating, concurrently with the capturing of the plurality of high frequency phase-shifted structured light images, a time-of-flight (TOF) depth image of the scene using the TOF sensor, and computing the depth map from the plurality of high frequency phase-shifted structured light images wherein the TOF depth image is used for phase unwrapping.

公开(公告)号：US09767545B2

公开(公告)日：2017-09-19

申请号：US14292897

申请日：2014-05-31

Applicant: Texas Instruments Incorporated

Inventor： Sanjeev Jagannatha Koppal

IPC: G06T7/00 ,  G06T5/50 ,  G06T7/30

CPC classification number: G06T5/50 ,  G06T7/30 ,  G06T2207/10016 ,  G06T2207/10024 ,  G06T2207/10028

Abstract: A method of improving depth sensor data in real-time based on scene sensor data is provided that includes aligning depth images of depth-scene image pairs generated by a depth-scene image sensor pair with corresponding scene images wherein, for each depth-scene image pair, the depth image is warped such that locations of depths in the depth image are aligned with locations of corresponding pixels in the scene image, and improving at least some of the aligned depth images based on image data from one or more of the scene images.