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公开(公告)号：US10360662B2
公开(公告)日：2019-07-23
申请号：US15785239
申请日：2017-10-16
Applicant: OmniVision Technologies, Inc.
Inventor： Xinting Gao , Shan Xu , Shimiao Li , Ying Zhou , Guansong Liu , Lu Chang
Abstract: A multiple camera imaging system, comprising a first camera image sensor configured to obtain a first image of a scene from a first vantage perspective point; a second camera image sensor configured to obtain a second image of the scene from a second vantage perspective point; and an image signal processor (ISP), configured to process the first image and the second image by performing the following steps: producing a first monotone image from the first image, and a second monotone image from the second image; projecting the first monotone image to produce a first one-dimensional profile; and projecting the second monotone image to produce a second one-dimensional profile; extracting a matching information from the first and second one-dimensional profiles by matching the second one-dimensional profile to the first one dimensional profile; using the matching information produce a first processed two-dimensional image, and a second processed two-dimensional image that is aligned with the first processed two-dimensional image.
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公开(公告)号：US20180367681A1
公开(公告)日：2018-12-20
申请号：US15627813
申请日：2017-06-20
Applicant: OmniVision Technologies, Inc.
Inventor： Shan Xu , Xinting Gao , Bin Chen , Ye Tao , Guansong Liu , Lu Chang
Abstract: A chart for calibrating a system of multiple cameras, the chart comprising: a background; an array of dots contrasting the background, wherein the array of dots are arranged in rows and columns, wherein the array of dots comprise a first dot array, and a second dot array, wherein the first dot array fully occupies a first region of evenly spaced dots with a first dot density, the second dot array fully occupies a second region of evenly spaced dots with a second dot density, and wherein the second region is enclosed within the first region; a group of first markers in the first region, a group of second markers in the second region, and a third marker at the center of the chart, wherein each second marker is closer to the third marker than each first marker.
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公开(公告)号：US11082566B2
公开(公告)日：2021-08-03
申请号：US15627813
申请日：2017-06-20
Applicant: OmniVision Technologies, Inc.
Inventor： Shan Xu , Xinting Gao , Bin Chen , Ye Tao , Guansong Liu , Lu Chang
Abstract: A chart for calibrating a system of multiple cameras, the chart comprising: a background; an array of dots contrasting the background, wherein the array of dots are arranged in rows and columns, wherein the array of dots comprise a first dot array, and a second dot array, wherein the first dot array fully occupies a first region of evenly spaced dots with a first dot density, the second dot array fully occupies a second region of evenly spaced dots with a second dot density, and wherein the second region is enclosed within the first region; a group of first markers in the first region, a group of second markers in the second region, and a third marker at the center of the chart, wherein each second marker is closer to the third marker than each first marker.
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4.发明申请公开(公告)号：US20190114739A1
公开(公告)日：2019-04-18
申请号：US15785239
申请日：2017-10-16
Applicant: OmniVision Technologies, Inc.
Inventor： Xinting Gao , Shan Xu , Shimiao Li , Ying Zhou , Guansong Liu , Lu Chang
CPC classification number: G06T3/4038 , G06T7/344 , G06T2200/32 , G06T2207/10024 , H04N5/2258 , H04N5/23229 , H04N9/09
Abstract: A multiple camera imaging system, comprising a first camera image sensor configured to obtain a first image of a scene from a first vantage perspective point; a second camera image sensor configured to obtain a second image of the scene from a second vantage perspective point; and an image signal processor (ISP), configured to process the first image and the second image by performing the following steps: producing a first monotone image from the first image, and a second monotone image from the second image; projecting the first monotone image to produce a first one-dimensional profile; and projecting the second monotone image to produce a second one-dimensional profile; extracting a matching information from the first and second one-dimensional profiles by matching the second one-dimensional profile to the first one dimensional profile; using the matching information produce a first processed two-dimensional image, and a second processed two-dimensional image that is aligned with the first processed two-dimensional image.
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