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    • 5. 发明授权
    • Method and/or apparatus for multiple pass digital image stabilization
    • 用于多次数字图像稳定的方法和/或装置
    • US08149911B1
    • 2012-04-03
    • US11675715
    • 2007-02-16
    • José R. AlvarezGuy CoteUdit Budhia
    • José R. AlvarezGuy CoteUdit Budhia
    • H04N7/12
    • G06T5/003G06T7/20G06T2207/20201
    • An apparatus including a first circuit and a second circuit. The first circuit may be configured to generate (i) a first series of sequential frames, (ii) a plurality of local motion vectors for each of said frames, (iii) one or more global motion vectors for each of said frames, (iv) a second series of stabilized sequential frames, (v) a plurality of rough motion vectors and (vi) a digital bitstream in response to (i) a video input signal. The second circuit may be configured to store (i) the first series of sequential frames, (ii) the plurality of local motion vectors, (iii) the one or more global motion vectors, (iv) the second series of stabilized sequential frames and (v) the plurality of rough motion vectors.
    • 一种包括第一电路和第二电路的装置。 第一电路可以被配置为产生(i)第一系列连续帧,(ii)每个所述帧的多个局部运动矢量,(iii)每个所述帧的一个或多个全局运动矢量,(iv )第二系列稳定的顺序帧,(v)多个粗略运动矢量和(vi)响应于(i)视频输入信号的数字比特流。 第二电路可以被配置为存储(i)第一系列连续帧,(ii)多个局部运动矢量,(iii)一个或多个全局运动矢量,(iv)第二系列稳定的顺序帧,以及 (v)多个粗略运动矢量。
    • 9. 发明授权
    • Systems and methods for determining noise statistics of image data
    • 用于确定图像数据噪声统计的系统和方法
    • US08953882B2
    • 2015-02-10
    • US13485299
    • 2012-05-31
    • Suk Hwan LimD. Amnon SilversteinMark A. ZimmerGuy Cote
    • Suk Hwan LimD. Amnon SilversteinMark A. ZimmerGuy Cote
    • G06K9/00H04N5/217
    • G06T1/20H04N17/002
    • The present disclosure generally relates to systems and methods for image data processing. In certain embodiments, an image processing pipeline may compute noise statistics associated with image data by receiving a frame of the image data having a plurality of pixels. The image processing pipeline may then identify a plurality of portions of the frame of the image data such that each portion of the plurality of portions has a flat surface. The image processing pipeline may then calculate a plurality of gradients for each portion of the plurality of portions, determine one or more dominant gradient orientations for each portion of the plurality of portions, and generate a histogram that represents a plurality of dominant gradient orientations that corresponds to the plurality of portions. After generating the histogram, the image processing pipeline may store the histogram, which may represent the noise statistics, in a memory.
    • 本公开通常涉及用于图像数据处理的系统和方法。 在某些实施例中,图像处理流水线可以通过接收具有多个像素的图像数据的帧来计算与图像数据相关联的噪声统计。 然后,图像处理流水线可以识别图像数据的帧的多个部分,使得多个部分的每个部分具有平坦表面。 然后,图像处理流水线可以为多个部分的每个部分计算多个梯度,为多个部分的每个部分确定一个或多个主要梯度取向,并且生成表示对应于多个部分的多个主要梯度取向的直方图 到多个部分。 在生成直方图之后,图像处理流水线可以将可以表示噪声统计的直方图存储在存储器中。