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公开(公告)号：US11838497B2
公开(公告)日：2023-12-05
申请号：US17118310
申请日：2020-12-10
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Sujith Shivalingappa , Vikram Appia , Anand Yalgurdrao Kulkarni , Do-Kyoung Kwon
CPC classification number: H04N17/002 , B60R1/00 , G06V20/56 , H04N7/181 , B60R2300/102 , B60R2300/105 , B60R2300/402 , G06V10/16 , G06V10/245
Abstract: A method for automatic generation of calibration parameters for a surround view (SV) camera system is provided that includes capturing a video stream from each camera comprised in the SV camera system, wherein each video stream captures two calibration charts in a field of view of the camera generating the video stream; displaying the video streams in a calibration screen on a display device coupled to the SV camera system, wherein a bounding box is overlaid on each calibration chart, detecting feature points of the calibration charts, displaying the video streams in the calibration screen with the bounding box overlaid on each calibration chart and detected features points overlaid on respective calibration charts, computing calibration parameters based on the feature points and platform dependent parameters comprising data regarding size and placement of the calibration charts, and storing the calibration parameters in the SV camera system.
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公开(公告)号：US20220335680A1
公开(公告)日：2022-10-20
申请号：US17853220
申请日：2022-06-29
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Shashank Dabral , Vikram Appia , Hemant Hariyani , Lucas Weaver
Abstract: A system on a chip (SoC) includes a digital signal processor (DSP) and a graphics processing unit (GPU) coupled to the DSP. The DSP is configured to receive a stream of received depth measurements and generate a virtual bowl surface based on the stream of received depth measurements. The DSP is also configured to generate a bowl to physical camera mapping based on the virtual bowl surface. The GPU is configured to receive a first texture and receive a second texture. The GPU is also configured to perform physical camera to virtual camera transformation on the first texture and on the second texture, based on the bowl to physical camera mapping, to generate an output image.
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公开(公告)号：US20210027522A1
公开(公告)日：2021-01-28
申请号：US16519099
申请日：2019-07-23
Applicant: Texas Instruments Incorporated
Inventor： Shashank Dabral , Vikram Appia , Hemant Hariyani , Lucas Weaver
Abstract: A system on a chip (SoC) includes a digital signal processor (DSP) and a graphics processing unit (GPU) coupled to the DSP. The DSP is configured to receive a stream of received depth measurements and generate a virtual bowl surface based on the stream of received depth measurements. The DSP is also configured to generate a bowl to physical camera mapping based on the virtual bowl surface. The GPU is configured to receive a first texture and receive a second texture. The GPU is also configured to perform physical camera to virtual camera transformation on the first texture and on the second texture, based on the bowl to physical camera mapping, to generate an output image.
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4.发明申请METHOD, APPARATUS AND SYSTEM FOR PROCESSING A DISPLAY FROM A SURROUND VIEW CAMERA SOLUTION 有权用于处理来自环视图相机解决方案的显示器的方法，装置和系统公开(公告)号：US20150254825A1
公开(公告)日：2015-09-10
申请号：US14642510
申请日：2015-03-09
Applicant: Texas Instruments Incorporated
Inventor： Buyue Zhang , Ibrahim Pekkucuksen , Vikram Appia , Aziz Umit Batur
CPC classification number: B60R1/00 , B60R2300/303 , B60R2300/607 , G06T3/4038
Abstract: A method, apparatus and a system multi-camera image processing method. The method includes performing geometric alignment to produce a geometric output, performing photometric alignment to produce a photometric output and blending output, using data from the geometric alignment and the photometric alignment for performing synthesis function for at least one of blending and stitching images from the multi-cameras, and displaying an image from the synthesis function.
Abstract translation: 一种方法，装置和系统的多摄像机图像处理方法。 该方法包括执行几何对准以产生几何输出，执行光度对准以产生光度输出和混合输出，使用来自几何对准和光度对准的数据，用于执行来自多重图像的混合和拼接图像中的至少一个的合成功能 - 相机，并从合成功能显示图像。
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公开(公告)号：US12250366B2
公开(公告)日：2025-03-11
申请号：US18387206
申请日：2023-11-06
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Sujith Shivalingappa , Vikram Appia , Anand Yalgurdrao Kulkarni , Do-Kyoung Kwon
Abstract: A method for automatic generation of calibration parameters for a surround view (SV) camera system is provided that includes capturing a video stream from each camera comprised in the SV camera system, wherein each video stream captures two calibration charts in a field of view of the camera generating the video stream; displaying the video streams in a calibration screen on a display device coupled to the SV camera system, wherein a bounding box is overlaid on each calibration chart, detecting feature points of the calibration charts, displaying the video streams in the calibration screen with the bounding box overlaid on each calibration chart and detected features points overlaid on respective calibration charts, computing calibration parameters based on the feature points and platform dependent parameters comprising data regarding size and placement of the calibration charts, and storing the calibration parameters in the SV camera system.
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Patent Agency Ranking
公开(公告)号：US20180184078A1
公开(公告)日：2018-06-28
申请号：US15393168
申请日：2016-12-28
Applicant: Texas Instruments Incorporated
Inventor： Sujith Shivalingappa , Vikram Appia , Anand Yalgurdrao Kulkarni , Do-Kyoung Kwon
CPC classification number: H04N17/002 , B60R1/00 , B60R2300/102 , B60R2300/105 , B60R2300/402 , G06K9/00791 , G06K9/3216 , G06K2009/2045 , G06K2009/3225 , H04N7/181
Abstract: A method for automatic generation of calibration parameters for a surround view (SV) camera system is provided that includes capturing a video stream from each camera comprised in the SV camera system, wherein each video stream captures two calibration charts in a field of view of the camera generating the video stream; displaying the video streams in a calibration screen on a display device coupled to the SV camera system, wherein a bounding box is overlaid on each calibration chart, detecting feature points of the calibration charts, displaying the video streams in the calibration screen with the bounding box overlaid on each calibration chart and detected features points overlaid on respective calibration charts, computing calibration parameters based on the feature points and platform dependent parameters comprising data regarding size and placement of the calibration charts, and storing the calibration parameters in the SV camera system.
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公开(公告)号：US11380046B2
公开(公告)日：2022-07-05
申请号：US16519099
申请日：2019-07-23
Applicant: Texas Instruments Incorporated
Inventor： Shashank Dabral , Vikram Appia , Hemant Hariyani , Lucas Weaver
Abstract: A system on a chip (SoC) includes a digital signal processor (DSP) and a graphics processing unit (GPU) coupled to the DSP. The DSP is configured to receive a stream of received depth measurements and generate a virtual bowl surface based on the stream of received depth measurements. The DSP is also configured to generate a bowl to physical camera mapping based on the virtual bowl surface. The GPU is configured to receive a first texture and receive a second texture. The GPU is also configured to perform physical camera to virtual camera transformation on the first texture and on the second texture, based on the bowl to physical camera mapping, to generate an output image.
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公开(公告)号：US10911745B2
公开(公告)日：2021-02-02
申请号：US15393168
申请日：2016-12-28
Applicant: Texas Instruments Incorporated
Inventor： Sujith Shivalingappa , Vikram Appia , Anand Yalgurdrao Kulkarni , Do-Kyoung Kwon
Abstract: A method for automatic generation of calibration parameters for a surround view (SV) camera system is provided that includes capturing a video stream from each camera comprised in the SV camera system, wherein each video stream captures two calibration charts in a field of view of the camera generating the video stream; displaying the video streams in a calibration screen on a display device coupled to the SV camera system, wherein a bounding box is overlaid on each calibration chart, detecting feature points of the calibration charts, displaying the video streams in the calibration screen with the bounding box overlaid on each calibration chart and detected features points overlaid on respective calibration charts, computing calibration parameters based on the feature points and platform dependent parameters comprising data regarding size and placement of the calibration charts, and storing the calibration parameters in the SV camera system.
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公开(公告)号：US20240080435A1
公开(公告)日：2024-03-07
申请号：US18387206
申请日：2023-11-06
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Sujith Shivalingappa , Vikram Appia , Anand Yalgurdrao Kulkarni , Do-Kyoung Kwon
CPC classification number: H04N17/002 , B60R1/00 , G06V20/56 , H04N7/181 , B60R2300/102 , B60R2300/105 , B60R2300/402 , G06V10/245
Abstract: A method for automatic generation of calibration parameters for a surround view (SV) camera system is provided that includes capturing a video stream from each camera comprised in the SV camera system, wherein each video stream captures two calibration charts in a field of view of the camera generating the video stream; displaying the video streams in a calibration screen on a display device coupled to the SV camera system, wherein a bounding box is overlaid on each calibration chart, detecting feature points of the calibration charts, displaying the video streams in the calibration screen with the bounding box overlaid on each calibration chart and detected features points overlaid on respective calibration charts, computing calibration parameters based on the feature points and platform dependent parameters comprising data regarding size and placement of the calibration charts, and storing the calibration parameters in the SV camera system.
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公开(公告)号：US11875450B2
公开(公告)日：2024-01-16
申请号：US17853220
申请日：2022-06-29
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Shashank Dabral , Vikram Appia , Hemant Hariyani , Lucas Weaver
CPC classification number: G06T15/20 , G06T1/20 , G06T5/006 , G06T7/40 , G06T15/04 , H04N13/111 , B60R1/00 , B60R2300/105 , B60R2300/30 , B60R2300/306 , G06T2207/30252
Abstract: A system on a chip (SoC) includes a digital signal processor (DSP) and a graphics processing unit (GPU) coupled to the DSP. The DSP is configured to receive a stream of received depth measurements and generate a virtual bowl surface based on the stream of received depth measurements. The DSP is also configured to generate a bowl to physical camera mapping based on the virtual bowl surface. The GPU is configured to receive a first texture and receive a second texture. The GPU is also configured to perform physical camera to virtual camera transformation on the first texture and on the second texture, based on the bowl to physical camera mapping, to generate an output image.
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