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公开(公告)号：US20220292630A1
公开(公告)日：2022-09-15
申请号：US17201660
申请日：2021-03-15
Applicant: QUALCOMM Incorporated
Inventor： Shizhong Liu , Jincheng Huang , Weiliang Liu , Jianfeng Ren , Sahul Madanayakanahalli Phaniraj Venkatesh
Abstract: Artefacts in a sequence of image frames may be reduced or eliminated through modification of an input image frame to match another image frame in the sequence, such as by geometrically warping to generate a corrected image frame with a field of view matched to another frame in sequence of frames with the image frame. The warping may be performed based on a model generated from data regarding the multi-sensor device. The disparity between image frames may be modeled based on image captures from the first and second image sensor for scenes at varying depths. The model may be used to predict disparity values for captured images, and those predicted disparity values used to reduce artefacts resulting from image sensor switching. The predicted disparity values may be used in image conditions resulting in erroneous actual disparity values.
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公开(公告)号：US11908100B2
公开(公告)日：2024-02-20
申请号：US17201660
申请日：2021-03-15
Applicant: QUALCOMM Incorporated
Inventor： Shizhong Liu , Jincheng Huang , Weiliang Liu , Jianfeng Ren , Sahul Madanayakanahalli Phaniraj Venkatesh
CPC classification number: G06T3/0093 , G06T3/0012 , G06T5/50 , G06T7/521 , G06T7/571 , H04N5/268 , H04N23/90 , G06T2207/10016 , G06T2207/10028
Abstract: Artefacts in a sequence of image frames may be reduced or eliminated through modification of an input image frame to match another image frame in the sequence, such as by geometrically warping to generate a corrected image frame with a field of view matched to another frame in sequence of frames with the image frame. The warping may be performed based on a model generated from data regarding the multi-sensor device. The disparity between image frames may be modeled based on image captures from the first and second image sensor for scenes at varying depths. The model may be used to predict disparity values for captured images, and those predicted disparity values used to reduce artefacts resulting from image sensor switching. The predicted disparity values may be used in image conditions resulting in erroneous actual disparity values.
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公开(公告)号：US20220201208A1
公开(公告)日：2022-06-23
申请号：US17133221
申请日：2020-12-23
Applicant: QUALCOMM Incorporated
Inventor： Shizhong Liu , Jianfeng Ren , Weiliang Liu , Nikhil Uchil , Jincheng Huang , Sahul Madanayakanahalli Phaniraj Venkatesh , Krishnankutty Kolathappilly , Wei Zou
Abstract: Disruptions in the continuity of image frames output from an image capture device due to switching from one image sensor to another image sensor of the device may be reduced or eliminated through controlled timing for switching of the image sensors according to a predefined image sensor configuration. Operation of a multi-sensor image device according to the predefined image sensor configuration may include an appropriate selection of a source for image adjustment during the zoom level transition. The predefined image sensor configuration may define transition parameters for particular zoom ranges of the image capture device.
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公开(公告)号：US12028609B2
公开(公告)日：2024-07-02
申请号：US17133221
申请日：2020-12-23
Applicant: QUALCOMM Incorporated
Inventor： Shizhong Liu , Jianfeng Ren , Weiliang Liu , Nikhil Uchil , Jincheng Huang , Sahul Madanayakanahalli Phaniraj Venkatesh , Krishnankutty Kolathappilly , Wei Zou
IPC: H04N23/667 , H04N23/45 , H04N23/69 , H04N23/80
CPC classification number: H04N23/667 , H04N23/45 , H04N23/69 , H04N23/80
Abstract: Disruptions in the continuity of image frames output from an image capture device due to switching from one image sensor to another image sensor of the device may be reduced or eliminated through controlled timing for switching of the image sensors according to a predefined image sensor configuration. Operation of a multi-sensor image device according to the predefined image sensor configuration may include an appropriate selection of a source for image adjustment during the zoom level transition. The predefined image sensor configuration may define transition parameters for particular zoom ranges of the image capture device.
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