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1.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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公开(公告)号：US11678067B1
公开(公告)日：2023-06-13
申请号：US17674564
申请日：2022-02-17
Applicant: OmniVision Technologies, Inc.
Inventor： Yiyi Ren , Wenshou Chen , Guansong Liu
Abstract: An image sensor processor implemented method for retaining pixel intensity, comprising: receiving, by the image processor, a numerical value indicative of a corresponding pixel intensity; determining, by the image processor, whether a least significant portion of the received numerical value is equal to a predetermined numerical value; and responsive to determining the least significant portion of the received numerical value is equal to the predetermined numerical value, rounding, by the image processor, the received numerical value of the corresponding pixel intensity to a higher or lower value depending on a bit sequence, and if the least significant portion of the received numerical value is not equal to the predetermined value, rounding the received numerical value to the higher or lower value based on the received numerical value; and binning the rounded value.
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公开(公告)号：US20220247992A1
公开(公告)日：2022-08-04
申请号：US17164679
申请日：2021-02-01
Applicant: OMNIVISION TECHNOLOGIES, INC.
Inventor： Wenshou Chen , Yiyi Ren , Guansong Liu , Badri Padmanabhan , Alireza Bonakdar , Richard Mann
IPC: H04N13/218 , H04N5/225 , G06T7/593
Abstract: In some embodiments, an image sensor is provided. The image sensor comprises a plurality of photodiodes arranged as a photodiode array. The photodiodes of the photodiode array are arranged into a first quadrant, a second quadrant, a third quadrant, and a fourth quadrant. A first polarization filter and a first telecentric lens are aligned with the first quadrant. A second polarization filter and a second telecentric lens are aligned with the second quadrant. A third polarization filter and a third telecentric lens are aligned with the third quadrant. A fourth telecentric lens is aligned with the fourth quadrant.
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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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Patent Agency Ranking
6.发明申请Camera Array Systems Including At Least One Bayer Type Camera And Associated Methods 有权相机阵列系统包括至少一个拜耳型相机和相关方法公开(公告)号：US20140139642A1
公开(公告)日：2014-05-22
申请号：US14086731
申请日：2013-11-21
Applicant: OmniVision Technologies, Inc.
Inventor： Yongshen Ni , Guansong Liu
CPC classification number: H04N9/09 , G06T7/593 , G06T7/90 , G06T2207/10024 , H04N5/2258 , H04N9/045 , H04N13/239 , H04N13/243 , H04N13/246 , H04N13/257 , H04N2013/0081
Abstract: A method for processing a plurality of images of a scene recorded from different vantage points, where the plurality of images includes a color reference image captured by a Bayer type camera and at least one additional image, the method including (a) registering at least a portion of the plurality of images, and (b) generating a unitary color image from the plurality of images, wherein color information of the unitary color image is determined exclusively from the color reference image.
Abstract translation: 一种用于处理从不同有利位置记录的场景的多个图像的方法，其中所述多个图像包括由拜耳型照相机拍摄的颜色参考图像和至少一个附加图像，所述方法包括（a）至少注册一个 所述多个图像的一部分，以及（b）从所述多个图像生成单一彩色图像，其中，所述单一彩色图像的颜色信息仅从所述颜色参考图像确定。
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公开(公告)号：US12273623B2
公开(公告)日：2025-04-08
申请号：US17394944
申请日：2021-08-05
Applicant: Omnivision Technologies, Inc.
Inventor： Yan Ye , Zhongyang Huang , Guansong Liu
Abstract: An image processing method and a device configured to implement the same are disclosed. The device comprises: a hybrid imaging device configured to obtain optical input; and a processing device in signal communication with the hybrid imaging device. The processing device comprises: a motion detection circuit that performs feature tracking based on a first component of an obtained optical input; a motion estimation circuit that performs motion compensation based on output of the motion detection unit; a frame reconstruction circuit that reconstructs image frame based on both the output of the motion estimation unit and a second component of the optical input; and an output unit that outputs image frame at a predetermined global frame rate.
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公开(公告)号：US20230395628A1
公开(公告)日：2023-12-07
申请号：US17832399
申请日：2022-06-03
Applicant: OMNIVISION TECHNOLOGIES, INC.
Inventor： Chin Poh Pang , Wei Deng , Chen-Wei Lu , Da Meng , Guansong Liu , Yin Qian , Xiaodong Yang , Hongjun Li , Zhiqiang Lin , Chao Niu
IPC: H01L27/146
CPC classification number: H01L27/14627 , H01L27/14645
Abstract: Half Quad Photodiode (QPD) for improving QPD channel imbalance. In one embodiment, an image sensor includes a plurality of pixels arranged in rows and columns of a pixel array that is disposed in a semiconductor material. Each pixel includes a plurality of subpixels. Each subpixel comprises a plurality of first photodiodes, a plurality of second photodiodes and a plurality of third photodiodes. The plurality of pixels are configured to receive incoming light through an illuminated surface of the semiconductor material. A plurality of small microlenses are individually distributed over individual first photodiodes and individual second photodiodes of each subpixel. A plurality of large microlenses are each distributed over a plurality of third photodiodes of each subpixel. A diameter of the small microlenses is smaller than a diameter of the large microlenses.
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公开(公告)号：US20230395626A1
公开(公告)日：2023-12-07
申请号：US17832335
申请日：2022-06-03
Applicant: OMNIVISION TECHNOLOGIES, INC.
Inventor： Xiaodong Yang , Guansong Liu , Wei Deng , Chin Poh Pang , Da Meng , Hongjun Li
IPC: H01L27/146 , H04N5/232 , H04N5/369
CPC classification number: H01L27/14627 , H01L27/14645 , H04N5/232122 , H04N5/36961
Abstract: Image sensors for Phase-Detection Auto Focus (PDAF) are provided. An image sensor includes a pixel including a plurality of photodiodes disposed in a semiconductor material according to an arrangement. The arrangement defines a first image subpixel comprising a plurality of first photodiodes, a second image subpixel comprising a plurality of second photodiodes, and a third image subpixel including a plurality of third photodiodes, and a phase detection subpixel comprising a first photodiode, a second photodiode, or a third photodiodes. The pixel can include a plurality of first micro-lenses disposed individually overlying at least a subset of the plurality of photodiodes of the first, second and third image subpixels. The pixel can also include a second micro-lens disposed overlying the phase detection subpixel, a first micro-lens of the first micro-lenses having a first radius less than a second radius of the second micro-lens.
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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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