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    METHODS OF IMAGE FUSION FOR IMAGE STABILIZATON
    1.
    发明申请
    METHODS OF IMAGE FUSION FOR IMAGE STABILIZATON 审中-公开
    图像融合方法对图像稳定性的影响

    公开(公告)号：WO2014197154A1

    公开(公告)日：2014-12-11

    申请号：PCT/US2014/036879

    申请日：2014-05-06

    Applicant: APPLE INC.

    Inventor： TICO, Marius ,  ZHOU, Jianping ,  NARIANI, Schulze, Anita ,  TOFT, Rolf ,  HUBEL, Paul ,  SUN, Wei

    IPC: G06T5/00 ,  G06T5/10

    CPC classification number: G06K9/46 ,  G06K9/6201 ,  G06T5/003 ,  G06T5/10 ,  G06T2207/10016 ,  G06T2207/10144 ,  G06T2207/20016 ,  G06T2207/20201 ,  G06T2207/20208 ,  G06T2207/20221 ,  H04N5/23267

    Abstract: Systems, methods, and computer readable media to improve image stabilization operations are described. Novel approaches for fusing non- reference images with a pre-selected reference frame in a set of commonly captured images are disclosed. The fusing approach may use a soft transition by using a weighted average for ghost/non-ghost pixels to avoid sudden transition between neighborhood and almost similar pixels. Additionally, the ghost/non-ghost decision can be made based on a set of neighboring pixels rather than independently for each pixel. An alternative approach may involve performing a multi-resolution decomposition of all the captured images, using temporal fusion, spatio-temporal fusion, or combinations thereof, at each level and combining the different levels to generate an output image.

    Abstract translation: 描述了用于改善图像稳定操作的系统，方法和计算机可读介质。 公开了一组用于将非参考图像与一组常规拍摄图像中的预选参考帧融合的新方法。 融合方法可以通过使用重影/非重像素的加权平均值来使用软转换，以避免邻域和几乎相似像素之间的突然过渡。 此外，可以基于一组相邻像素而不是针对每个像素独立地进行重影/非重影决定。 替代方法可以包括在每个级别上使用时间融合，时空融合或其组合执行所有捕获图像的多分辨率分解，并组合不同的级别以生成输出图像。

    STATIONARY CAMERA DETECTION AND VIRTUAL TRIPOD TRANSITION FOR VIDEO STABILIZATION
    2.
    发明申请
    STATIONARY CAMERA DETECTION AND VIRTUAL TRIPOD TRANSITION FOR VIDEO STABILIZATION 审中-公开
    静态摄像机检测和虚拟三维转换视频稳定

    公开(公告)号：WO2013184379A1

    公开(公告)日：2013-12-12

    申请号：PCT/US2013/042427

    申请日：2013-05-23

    Applicant: APPLE INC.

    Inventor： ZHOU, Jianping ,  BEYSSERIE, Sebastien, X. ,  WILLIAMS, George, E. ,  TOFT, Rolf

    IPC: H04N5/232

    CPC classification number: H04N5/23248

    Abstract: An apparatus, method, and computer-readable medium for motion sensor-based video stabilization. A motion sensor may capture motion data of a video sequence. A controller may compute instantaneous motion of the camera for a current frame of the video sequence and accumulated motion of the camera corresponding to motion of a plurality of frames of the video sequence. The controller may compare the instantaneous motion to a first threshold value, compare the accumulated motion to a second threshold value, and set a video stabilization strength parameter for the current frame based on the results of the comparison. A video stabilization unit may perform video stabilization on the current frame according to the frame's strength parameter.

    Abstract translation: 一种用于基于运动传感器的视频稳定的装置，方法和计算机可读介质。 运动传感器可以捕获视频序列的运动数据。 控制器可以计算摄像机对视频序列的当前帧的瞬时运动以及对应于视频序列的多个帧的运动的照相机的累积运动。 控制器可以将瞬时运动与第一阈值进行比较，将累积运动与第二阈值进行比较，并且基于比较结果为当前帧设置视频稳定强度参数。 视频稳定单元可以根据帧的强度参数在当前帧上执行视频稳定。

    MOTION-BASED IMAGE STITCHING
    4.
    发明申请
    MOTION-BASED IMAGE STITCHING 审中-公开
    基于运动的图像缝合

    公开(公告)号：WO2013184313A1

    公开(公告)日：2013-12-12

    申请号：PCT/US2013/041088

    申请日：2013-05-15

    Applicant: APPLE INC.

    Inventor： ZHOU, Jianping ,  ZULIANI, Marco

    IPC: H04N5/232

    CPC classification number: H04N5/23238 ,  G06T3/4038 ,  H04N5/23258

    Abstract: Systems, methods, and computer readable media for stitching or aligning multiple images (or portions of images) to generate a panoramic image are described. In general, techniques are disclosed for using motion data (captured at substantially the same time as image data) to align images rather than performing image analysis and/or registration operations. More particularly, motion data may be used to identify the rotational change between successive images. The identified rotational change, in turn, may be used to calculate a motion vector that describes the change in position between a point in a first image and a corresponding point in a subsequent image. The motion vector may be utilized to align successive images in an image sequence based on the motion data associated with the images.

    Abstract translation: 描述用于拼接或对准多个图像（或图像的部分）以产生全景图像的系统，方法和计算机可读介质。 通常，公开了使用运动数据（基本上与图像数据同时捕获）来对准图像而不是执行图像分析和/或注册操作的技术。 更具体地，运动数据可用于识别连续图像之间的旋转变化。 识别的旋转变化又可以用于计算描述第一图像中的点与随后图像中的对应点之间的位置变化的运动矢量。 运动矢量可以用于基于与图像相关联的运动数据来对齐图像序列中的连续图像。

    MOTION SENSOR BASED VIRTUAL TRIPOD METHOD FOR VIDEO STABILIZATION
    5.
    发明申请
    MOTION SENSOR BASED VIRTUAL TRIPOD METHOD FOR VIDEO STABILIZATION 审中-公开
    基于运动传感器的虚拟TRIPOD方法进行视频稳定

    公开(公告)号：WO2013090097A1

    公开(公告)日：2013-06-20

    申请号：PCT/US2012/068015

    申请日：2012-12-05

    Applicant: APPLE INC.

    Inventor： ZHOU, Jianping

    IPC: H04N5/232

    CPC classification number: H04N5/23258 ,  H04N5/23267

    Abstract: An apparatus, method, and computer-readable medium for motion sensor-based video stabilization. A motion sensor may capture motion data of a video sequence. A controller may compute average motion data of the camera used to capture the video sequence based on motion data from the motion sensor. The controller may then determine the difference between the actual camera motion and the average camera motion to set a video stabilization strength parameter for the frames in the video sequence. A video stabilization unit may utilize the strength parameter to stabilize the frames in the video sequence.

    Abstract translation: 一种用于基于运动传感器的视频稳定的装置，方法和计算机可读介质。 运动传感器可以捕获视频序列的运动数据。 控制器可以基于来自运动传感器的运动数据来计算用于捕获视频序列的相机的平均运动数据。 然后，控制器可以确定实际相机运动和平均相机运动之间的差异，以设置视频序列中的帧的视频稳定强度参数。 视频稳定单元可以利用强度参数来稳定视频序列中的帧。

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