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    CAMERA TRANSITION BLENDING
    1.
    发明申请
    CAMERA TRANSITION BLENDING 审中-公开

    公开(公告)号：WO2021231020A1

    公开(公告)日：2021-11-18

    申请号：PCT/US2021/027278

    申请日：2021-04-14

    Applicant: QUALCOMM INCORPORATED

    Inventor： LIU, Weiliang ,  LIU, Shizhong ,  MA, Tao ,  REN, Jianfeng

    IPC: H04N5/225 ,  G06T3/00 ,  G11B27/031 ,  H04N5/232 ,  H04N5/247 ,  H04N5/265 ,  H04N5/262

    Abstract: In general, techniques are described regarding initiating a recursive blending of a plurality of frames following a camera transition. One or more processors may, subsequent to a transition from a first camera mode to a second camera mode, blend one or more pixels of a first frame with one or more pixels of a second frame to produce a first blended frame, the first frame captured via a first camera, and the second frame captured via a second camera. The one or more processors may then output the first blended frame.

    TRANSFORM MATRIX LEARNING FOR MULTI-SENSOR IMAGE CAPTURE DEVICES
    2.
    发明申请
    TRANSFORM MATRIX LEARNING FOR MULTI-SENSOR IMAGE CAPTURE DEVICES 审中-公开

    公开(公告)号：WO2022198168A1

    公开(公告)日：2022-09-22

    申请号：PCT/US2022/070948

    申请日：2022-03-03

    Applicant: QUALCOMM INCORPORATED

    Inventor： LIU, Shizhong ,  HUANG, Jincheng ,  LIU, Weiliang ,  REN, Jianfeng ,  PHANIRAJ VENKATESH, Sahul Madanayakanahalli

    IPC: G06T5/00 ,  G06T7/55

    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.

    REAL TIME CALIBRATION FOR MULTI-CAMERA WIRELESS DEVICE
    3.
    发明申请
    REAL TIME CALIBRATION FOR MULTI-CAMERA WIRELESS DEVICE 审中-公开
    多相无线设备的实时校准

    公开(公告)号：WO2016148785A1

    公开(公告)日：2016-09-22

    申请号：PCT/US2016/016015

    申请日：2016-02-01

    Applicant: QUALCOMM INCORPORATED

    Inventor： NAGARAJA, Adarsh Hosaagrahara ,  LIU, Weiliang ,  LIU, Shizhong

    IPC: G06T7/00

    CPC classification number: H04N5/2258 ,  G06T7/33 ,  G06T7/85 ,  G06T2207/10012 ,  H04N5/217 ,  H04N5/2253 ,  H04N5/23212 ,  H04N17/002 ,  H04N2101/00

    Abstract: A method for generating image calibration data at an electronic device having multiple cameras includes capturing a first image of a first scene at a first time using a first camera at the electronic device. The method also includes capturing a second image of a second scene at the first time using a second camera at the electronic device. A portion of the first scene overlaps a portion of the second scene. The method further includes generating the image calibration data based on the first image and based on the second image.

    Abstract translation: 一种用于在具有多个照相机的电子设备上产生图像校准数据的方法，包括使用电子设备上的第一照相机在第一时间捕获第一场景的第一图像。 该方法还包括在电子设备处使用第二相机在第一时间捕获第二场景的第二图像。 第一场景的一部分与第二场景的一部分重叠。 该方法还包括基于第一图像并基于第二图像生成图像校准数据。

    SYSTEM AND METHOD OF CORRECTING IMAGE ARTIFACTS
    5.
    发明申请
    SYSTEM AND METHOD OF CORRECTING IMAGE ARTIFACTS 审中-公开
    系统和校正图像的方法

    公开(公告)号：WO2015013206A1

    公开(公告)日：2015-01-29

    申请号：PCT/US2014/047465

    申请日：2014-07-21

    Applicant: QUALCOMM INCORPORATED

    Inventor： SHU, Xianbiao ,  JIANG, Xiaoyun ,  XIONG, Weihua ,  LIU, Weiliang

    IPC: G06T5/00

    CPC classification number: G06T5/005 ,  G06T2207/10024 ,  H04N1/58

    Abstract: Certain aspects relate to systems and techniques for correction of color artifacts including both color aberration and color spot artifacts using a unified framework. For example, both color aberration and color spot artifacts can be corrected using a post-processing method implementing directional median filtering on chroma channels. A pixel-by-pixel correction ratio map can be built by analyzing the luma and chroma components of the image to indicate a type of color artifact associated with each pixel in the image, and a directional median filter can be selected for each pixel based on the corresponding correction ratio map value.

    Abstract translation: 某些方面涉及使用统一框架来校正彩色伪影的系统和技术，包括色差和色斑伪像。 例如，可以使用在色度通道上实现方向中值滤波的后处理方法来校正色差和色斑伪影。 可以通过分析图像的亮度和色度分量来构建像素逐像素校正比图，以指示与图像中的每个像素相关联的颜色伪像的类型，并且可以基于每个像素选择方向中值滤波器 相应的校正比图值。

    SPATIAL ALIGNMENT TRANSFORM WITHOUT FOV LOSS
    7.
    发明申请
    SPATIAL ALIGNMENT TRANSFORM WITHOUT FOV LOSS 审中-公开

    公开(公告)号：WO2022103535A1

    公开(公告)日：2022-05-19

    申请号：PCT/US2021/054274

    申请日：2021-10-08

    Applicant: QUALCOMM INCORPORATED

    Inventor： REN, Jianfeng ,  LIU, Shizhong ,  LIU, Weiliang ,  PAN, Kuan-Chen ,  UCHIL, Nikhil ,  ZOU, Wei

    IPC: H04N5/232

    Abstract: This disclosure provides devices, methods, computer-readable medium, and means for spatial alignment transform. In some aspects, a device may perform operations including capturing a first image of a scene using a first sensor at a first zoom ratio, capturing a second image of the scene using a second sensor at a second zoom ratio, the first image having a different field-of-view (FOV) than the second image, determining a translation matrix based on one or more spatial misalignments between the first image and the second image, determining a confidence associated with the translation matrix, in response to the confidence being greater than a confidence threshold, determining a weighting factor based on the first zoom ratio, the second zoom ratio, and a current zoom ratio of the device, applying the weighting factor to the translation matrix, and warping the first image to the second image using the weighted translation matrix.

    SYSTEM AND METHOD FOR MULTI-FOCUS IMAGING
    8.
    发明申请
    SYSTEM AND METHOD FOR MULTI-FOCUS IMAGING 审中-公开
    用于多焦点成像的系统和方法

    公开(公告)号：WO2015153218A1

    公开(公告)日：2015-10-08

    申请号：PCT/US2015/022418

    申请日：2015-03-25

    Applicant: QUALCOMM INCORPORATED

    Inventor： NAGARAJA, Adarsh Hosaagrahara ,  LIU, Weiliang ,  LIU, Shizhong

    IPC: H04N5/232 ,  H04N5/235

    CPC classification number: H04N5/23212 ,  G06K9/46 ,  G06K2009/4666 ,  H04N5/23216 ,  H04N5/23219 ,  H04N5/23293 ,  H04N5/2356

    Abstract: Systems and methods for multi-focus imaging are disclosed. An imaging system may suggest multiple regions of interest to a user based on a preview mode of a scene of interest. The user may select a plurality of the suggested regions of interest for a multi-focus image. The imaging system calculates the autofocus parameters for each of the multiple regions of interest and captures single images of each of the regions of interest when the shutter button of the camera is pressed. The imaging system then generates a multi-focus image from the multiple images.

    Abstract translation: 公开了用于多焦点成像的系统和方法。 成像系统可以基于感兴趣的场景的预览模式来向用户建议感兴趣的多个区域。 用户可以为多焦点图像选择多个建议的兴趣区域。 成像系统计算感兴趣的多个区域中的每一个的自动聚焦参数，并且当按下相机的快门按钮时捕获每个感兴趣区域的单个图像。 然后，成像系统从多个图像生成多焦点图像。

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