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    • 43. 发明申请
    • Method and system for variable color saturation
    • 可变颜色饱和度的方法和系统
    • US20060146193A1
    • 2006-07-06
    • US11027339
    • 2004-12-30
    • Chaminda WeerasingheMagnus NilssonYu Shi
    • Chaminda WeerasingheMagnus NilssonYu Shi
    • H04N9/74H04N11/06H04N7/01H04N11/20
    • H04N9/68H04N9/67
    • A low complexity apparatus (100) and method (200) for variable color saturation, performed in combination with RGB to YUV color space conversion, is used to direct input signal noise away from a luminance channel, to which the human eye is highly sensitive, and into chrominance channels. The apparatus (100) is adapted to perform color conversion and variable color saturation of input primary color signals red, green and blue to produce variable chrominance signals and luminance invariance. The apparatus includes a luminance composition module (105) dependent on non-varying luminance composition coefficients. A first chrominance composition module (110) is dependent on the non-varying luminance composition coefficients and includes a first variable saturation coefficient that is multiplied by the difference between low pass filtered red and green primary color signals. A second chrominance composition module (115) is also dependent on the non-varying luminance composition coefficients and includes a second variable saturation coefficient that is multiplied by the difference between low pass filtered blue and green primary color signals.
    • 使用与RGB至YUV色彩空间转换结合执行的用于可变色彩饱和度的低复杂度装置(100)和方法(200)来将输入信号噪声引导离开人眼高度敏感的亮度通道, 并进入色度通道。 该装置(100)适于对输入的原色信号红色,绿色和蓝色进行颜色转换和可变色饱和度,以产生可变色度信号和亮度不变性。 该装置包括依赖于不变亮度组成系数的亮度组合模块(105)。 第一色度组合模块(110)取决于非变化亮度组成系数,并且包括乘以低通滤波的红色和绿色原色信号之间的差的第一可变饱和度系数。 第二色度组合模块(115)还取决于不变亮度组合系数,并且包括乘以低通滤波的蓝色和绿色原色信号之间的差的第二可变饱和系数。
    • 48. 发明申请
    • Segment Sequence-Based Handwritten Expression Recognition
    • 基于片段序列的手写表达识别
    • US20100166314A1
    • 2010-07-01
    • US12346376
    • 2008-12-30
    • Yu ShiFrank Kao-Ping Soong
    • Yu ShiFrank Kao-Ping Soong
    • G06K9/00
    • G06K9/00422G06K9/6296
    • Methods and apparatuses for generating, by a computing device configured to interpret a handwritten expression, a symbol graph to represent strokes associated with the handwritten expression, are described herein. The symbol graph may include nodes, each node corresponding to a combination of a stroke and a candidate symbol for that stroke. The computing device may also generate a segment graph based on the symbol graph by combining nodes associated with a same stroke if strokes of their preceding nodes are the same. Also the computing device may perform a structure analysis on at least a subset of segment sequences represented by the segment graph to determine hypotheses for the handwritten expression. In other embodiments, rather than generate a segment graph, the computing device may determine segment sequences by selecting a number of symbol sequences from the symbol graph and combining symbol sequences having the same segmentation.
    • 本文描述了通过被配置为解读手写表达式的计算设备来生成表示与手写表达式相关联的笔画的符号图形的方法和装置。 符号图可以包括节点,每个节点对应于笔划的组合和该笔划的候选符号。 如果其前面的节点的笔划相同,则计算设备还可以通过组合与相同笔划相关联的节点来基于该符号图来生成片段图。 此外,计算设备还可以对由片段图表示的段序列的至少一个子集进行结构分析,以确定手写表达式的假设。 在其他实施例中,计算设备可以通过从符号图中选择符号序列的数目并组合具有相同分割的符号序列来确定段序列而不是生成段图。