Method of using hue to interpolate color pixel signals
    11.
    发明授权
    Method of using hue to interpolate color pixel signals 有权
    使用色相插值彩色像素信号的方法

    公开(公告)号:US07053944B1

    公开(公告)日:2006-05-30

    申请号:US09591867

    申请日:2000-06-12

    IPC分类号: H04N5/335 H04N1/46 G06K9/32

    CPC分类号: H04N9/045 G06T3/4015

    摘要: Briefly, in accordance with one embodiment of the invention, a method of using hue to interpolate color pixel signals includes the following. For a particular pixel location in a subsampled color image, differences in hue are compared for two mutually orthogonal directions across the particular pixel location. A color signal value for that particular pixel location for a color plane other than the color plane of the pixel signal value in the subsampled color image of that location is computed. The computation includes relatively weighing the differences in hue values, the relative weights depending, at least in part, on the difference in hue value in one direction relative to the other.

    摘要翻译: 简而言之,根据本发明的一个实施例,使用色调来内插彩色像素信号的方法包括以下。 对于子采样彩色图像中的特定像素位置,在特定像素位置处的两个相互正交的方向上比较色调差异。 计算该位置的子采样彩色图像中除了像素信号值的色平面之外的彩色平面的特定像素位置的颜色信号值。 所述计算包括相对称重色调值的差异,所述相对权重至少部分地取决于相对于另一方向的一个方向上的色调值的差异。

    Searching for object images with reduced computation
    14.
    发明申请
    Searching for object images with reduced computation 有权
    搜索减少计算的对象图像

    公开(公告)号:US20050044056A1

    公开(公告)日:2005-02-24

    申请号:US10643467

    申请日:2003-08-19

    CPC分类号: G06F17/30277 G06K9/00288

    摘要: In one embodiment, the present invention includes a method to obtain a query image and search a database corresponding to object images for a solution set having a maximum similarity to the query image using fuzzy logic. Also in certain embodiments, based on fuzzy logic, the database may be partitioned into multiple sets based on a fuzzy similarity analysis of a measure of the object images to various thresholds.

    摘要翻译: 在一个实施例中,本发明包括一种获取查询图像并使用模糊逻辑搜索与查询图像具有最大相似性的解集的对象图像对应的数据库的方法。 同样在某些实施例中,基于模糊逻辑,可以基于对象图像的度量的各种阈值的模糊相似度分析将数据库划分为多个集合。

    Pyramid filter
    16.
    发明授权
    Pyramid filter 有权
    金字塔过滤器

    公开(公告)号:US06766286B2

    公开(公告)日:2004-07-20

    申请号:US09820108

    申请日:2001-03-28

    申请人: Tinku Acharya

    发明人: Tinku Acharya

    IPC分类号: G06F1710

    CPC分类号: G06F17/148 H03H17/06

    摘要: Embodiments of a pyramid filter are described.

    摘要翻译: 描述了金字塔过滤器的实施例。

    Method and apparatus for multiply-accumulate two-dimensional separable symmetric filtering
    17.
    发明授权
    Method and apparatus for multiply-accumulate two-dimensional separable symmetric filtering 失效
    用于多次累积二维可分离对称滤波的方法和装置

    公开(公告)号:US06751640B1

    公开(公告)日:2004-06-15

    申请号:US09718877

    申请日:2000-11-20

    申请人: Tinku Acharya

    发明人: Tinku Acharya

    IPC分类号: G06F1710

    摘要: An architecture for a multiply and accumulate two-dimensional separable symmetric filter. The architecture includes a binary tree adder producing sums of samples of an incoming signal. A multiplier then multiplies sums from the binary tree adder with filter coefficients producing filtered products. An accumulation adder to sums the filtered products and produce a filtered output.

    摘要翻译: 一种用于乘法和积累二维可分离对称滤波器的架构。 该架构包括二进制树加法器,产生输入信号的样本的和。 然后乘法器将来自二叉树加法器的和乘以产生滤波产物的滤波器系数。 累积加法器,用于对滤波后的乘积进行求和并产生滤波输出。

    Method and apparatus for two-dimensional separable symmetric filtering
    20.
    发明授权
    Method and apparatus for two-dimensional separable symmetric filtering 失效
    二维可分离对称滤波的方法和装置

    公开(公告)号:US06678708B1

    公开(公告)日:2004-01-13

    申请号:US09713663

    申请日:2000-11-15

    申请人: Tinku Acharya

    发明人: Tinku Acharya

    IPC分类号: G06F1710

    摘要: A symmetric digital filter. The filter has the dimensions N rows by N columns. There are a predetermined number of 8-input adders, and a predetermined number of 4-input adders each able to receive inputs from samples of an incoming signal. In addition, there are a predetermined number of parallel multipliers. The parallel multipliers receive output signals from the 8-input adders and the 4-input adders, and multiply the partial sums by coefficients of the digital filter, applying the digital filter to the input signal.

    摘要翻译: 对称数字滤波器。 过滤器的尺寸为N行×N列。 存在预定数量的8输入加法器和预定数量的4输入加法器,每个能够从输入信号的采样中接收输入。 另外,存在预定数量的并行乘法器。 并行乘法器接收来自8输入加法器和4输入加法器的输出信号,并将部分和乘以数字滤波器的系数,将数字滤波器应用于输入信号。