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    • 21. 发明授权
    • Adaptive image stabilization
    • 自适应图像稳定
    • US07880769B2
    • 2011-02-01
    • US10779246
    • 2004-02-13
    • Yingyong Qi
    • Yingyong Qi
    • H04N5/228
    • H04N5/145H04N5/23248H04N5/23254H04N5/23264
    • A method and apparatus for image stabilization takes an input image sequence including a plurality of frames, estimates frame-level motion vectors for each frame, and adaptively integrates the motion vectors to produce, for each frame, a motion vector to be used for image stabilization. A copy of the reference image of a frame is displaced by the corresponding adaptively integrated motion vector. In one embodiment, the perimeter of the image sensor is padded with a margin to be used for image compensation. In another embodiment, vertical and horizontal components are treated independently. In still another embodiment, the motion estimation circuitry associated with an MPEG-4 encoder is used to calculate macroblock level vectors, and a histogram is used to compute a corresponding frame-level vector for that frame.
    • 用于图像稳定的方法和装置采用包括多个帧的输入图像序列,估计每个帧的帧级运动矢量,并且自适应地积分运动矢量以针对每个帧产生要用于图像稳定的运动矢量 。 帧的参考图像的副本被相应的自适应集成运动矢量移位。 在一个实施例中,图像传感器的周边填充有用于图像补偿的余量。 在另一个实施例中,垂直和水平部件被独立地处理。 在另一个实施例中,与MPEG-4编码器相关联的运动估计电路用于计算宏块水平矢量,并且使用直方图来计算该帧的相应帧级矢量。
    • 22. 发明申请
    • DUAL LOOKUP TABLE DESIGN FOR EDGE-DIRECTED IMAGE SCALING
    • 双向图表设计用于边缘方向图像缩放
    • US20100054621A1
    • 2010-03-04
    • US12198404
    • 2008-08-26
    • Yingyong QiKing-Chung LaiMillie LiChia-Yuan Teng
    • Yingyong QiKing-Chung LaiMillie LiChia-Yuan Teng
    • G06K9/40
    • G06T3/403
    • In general, the disclosure describes various techniques for providing edge-directed scaling filters that may be used to scale image data. An example device includes a storage medium configured to store a first lookup table and a second lookup table, and one or more processors configured to obtain one or more gradient values that each indicates a gradient between values of at least two pixels in a source image. The one or more processors are also configured to generate one or more inverse gradient values from a first lookup table based on the gradient values, and to generate one or more edge-directed scaling filter coefficients from a second lookup table based on the inverse gradient values. The one or more processors may be further configured to generate an edge-directed filter based on the coefficients, and to apply the filter to the at least two pixels to generate an interpolated pixel.
    • 通常,本公开描述了用于提供可用于缩放图像数据的边缘定向缩放滤波器的各种技术。 示例设备包括被配置为存储第一查找表和第二查找表的存储介质,以及被配置为获得一个或多个梯度值的一个或多个处理器,每个梯度值指示源图像中的至少两个像素的值之间的梯度。 一个或多个处理器还被配置为基于梯度值从第一查找表生成一个或多个逆梯度值,并且基于逆梯度值从第二查找表生成一个或多个边缘定向缩放滤波器系数 。 一个或多个处理器可以进一步被配置为基于系数生成边缘导向滤波器,并且将滤波器应用于至少两个像素以产生内插像素。
    • 23. 发明申请
    • Mesh-based video compression with domain transformation
    • 基于网格的视频压缩与域转换
    • US20080031325A1
    • 2008-02-07
    • US11499275
    • 2006-08-03
    • Yingyong Qi
    • Yingyong Qi
    • H04B1/66
    • H04N19/176H04N19/54H04N19/61
    • Techniques for performing mesh-based video compression/decompression with domain transformation are described. A video encoder partitions an image into meshes of pixels, processes the meshes of pixels to obtain blocks of prediction errors, and codes the blocks of prediction errors to generate coded data for the image. The meshes may have arbitrary polygonal shapes and the blocks may have a predetermined shape, e.g., square. The video encoder may process the meshes of pixels to obtain meshes of prediction errors and may then transform the meshes of prediction errors to the blocks of prediction errors. Alternatively, the video encoder may transform the meshes of pixels to blocks of pixels and may then process the blocks of pixels to obtain the blocks of prediction errors. The video encoder may also perform mesh-based motion estimation to determine reference meshes used to generate the prediction errors.
    • 描述了使用域转换执行基于网格的视频压缩/解压缩的技术。 视频编码器将图像划分为像素网格,处理像素的网格以获得预测误差块,并且编码预测误差块以生成图像的编码数据。 网格可以具有任意的多边形形状,并且块可以具有预定的形状,例如正方形。 视频编码器可以处理像素的网格以获得预测误差的网格,然后可以将预测误差的网格转换为预测误差块。 或者,视频编码器可以将像素的网格变换为像素块,然后可以处理像素块以获得预测误差块。 视频编码器还可以执行基于网格的运动估计,以确定用于生成预测误差的参考网格。
    • 25. 发明授权
    • Method and apparatus for animation of an object on a display
    • 用于显示器上的对象的动画的方法和装置
    • US06900809B2
    • 2005-05-31
    • US09982266
    • 2001-10-18
    • Yingyong Qi
    • Yingyong Qi
    • G06T13/80G06T15/00
    • G06T13/80G06T2210/44
    • A method and apparatus for animation of an object. The invention includes communication destination matrixes used for project source and destination vertex arrays of, source and destination objects from an original space to an ortho-normal space. At a receiver (200), a control system (210) transforms zero-mean of source and destination vertex arrays using, respectively, the source and destination projection matrixes. Control system (210) computes an interim vertex array in the ortho-normal space based on a linear interpolation of the transformed source and destination vertex arrays, and an interim projection matrix based on a linear interpolation of the source and destination projection matrixes. Control system (210) transforms the interim vertex array from the ortho-normal space to the original space based on the interim projection matrix. A display (250) displays an interim object based on the interim vertex array in an animation of the object.
    • 一种用于动画对象的方法和装置。 本发明包括用于从原始空间到正常空间的源和目标对象的项目源和目的地顶点阵列的通信目的地矩阵。 在接收机(200)处,控制系统(210)分别使用源投影矩阵和目标投影矩阵来转换源和目标顶点阵列的零均值。 控制系统(210)基于经变换的源和目标顶点阵列的线性插值以及基于源和目的地投影矩阵的线性内插的临时投影矩阵来计算邻近正态空间中的中间顶点阵列。 控制系统(210)基于临时投影矩阵将临时顶点阵列从正常空间转换为原始空间。 显示器(250)基于对象的动画中的中间顶点数组显示临时对象。
    • 29. 发明申请
    • Mobile device with acoustically-driven text input and method thereof
    • 具有声驱动文本输入的移动设备及其方法
    • US20080048988A1
    • 2008-02-28
    • US11510333
    • 2006-08-24
    • Yingyong Qi
    • Yingyong Qi
    • G06F3/041
    • G06F3/043G06F3/03545H04M1/03H04M1/72527H04M2250/70
    • A mobile device has a housing having first and second display areas. A mic-array is integrated into the housing and has microphones operable to sense sound signals at multiple locations on the housing from a sound pen when handwriting an alphanumeric symbol on a surface separate from and in proximity to the housing. A handwriting-to-text converter is operable to graphically represent, for display on the first display area, simulated handwritten traces of the alphanumeric symbol and to convert the alphanumeric symbol into a computer-readable interchange code, representative of the alphanumeric symbol, for display in the second display area.
    • 移动设备具有具有第一和第二显示区域的外壳。 麦克风阵列集成到壳体中,并且具有麦克风可操作以在从壳体分离并且在壳体附近的表面上书写字母数字符号时从声笔读取壳体上多个位置处的声音信号。 手写到文本转换器可操作用于图形地表示用于在第一显示区域上显示模拟的字母数字符号的手写轨迹,并将字母数字符号转换成表示字母数字符号的计算机可读交换代码用于显示 在第二显示区域。