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    • 4. 发明申请
    • APPARATUS AND METHOD FOR MEASURING COLOUR
    • 用于测量颜色的装置和方法
    • WO2003029766A2
    • 2003-04-10
    • PCT/GB2002/004521
    • 2002-10-04
    • DIGIEYE PLCLUO, Ming, RonnierLI, ChuangjunCUI, Guihua
    • LUO, Ming, RonnierLI, ChuangjunCUI, Guihua
    • G01J
    • G01J3/10G01J3/46
    • An apparatus and method for measuring colours of an object includes: an enclosure for receiving the object; illumination means for illuminating the object within the enclosure; a digital camera for capturing an image of the object; a computer connected to the digital camera, for processing information relating to the image of the object; and display means for displaying information relating to the image of the object. The enclosure may include means for mounting an object therein such that its position may be altered. These means may include a tiltable table for receiving the object, the tiltable table being controllable by the computer. The illumination means are preferably located within the enclosure, and may include diffusing means for providing a diffuse light throughout the enclosure. The illumination means may include a plurality of different light sources for providing respectively different illuminations for the object, one or more of the light sources may be adjustable to adjust the level of the illumination or the direction of the illumination. The light sources may be controllable by the computer.
    • 用于测量物体颜色的装置和方法包括:用于接收物体的外壳; 照明装置,用于照明外壳内的物体; 用于捕获对象的图像的数字照相机; 连接到数字照相机的计算机,用于处理与对象的图像有关的信息; 以及显示装置,用于显示与对象的图像有关的信息。 外壳可以包括用于将物体安装在其中的装置,使得其位置可以改变。 这些装置可以包括用于接收物体的可倾斜台,可倾斜台由计算机控制。 照明装置优选地位于外壳内,并且可以包括用于在整个外壳中提供漫射光的漫射装置。 照明装置可以包括多个不同的光源,用于为物体分别提供不同的照明,一个或多个光源可以是可调节的,以调节照明的水平或照明的方向。 光源可以由计算机控制。
    • 9. 发明申请
    • SYSTEM AND METHOD FOR MONITORING THE STATUS OF AN INVENTORY ITEM
    • 用于监控库存状态的系统和方法
    • WO2007086808A2
    • 2007-08-02
    • PCT/SG2007000018
    • 2007-01-24
    • AGENCY SCIENCE TECH & RESGAN OON PEENLUO MINGZHAO YI ZHITAN GAK CHEEZHANG JING BING
    • GAN OON PEENLUO MINGZHAO YI ZHITAN GAK CHEEZHANG JING BING
    • G06F17/00G06Q10/00G08B13/00
    • G06Q10/087
    • An inventory management and control system and method for monitoring the status of an inventory item where the inventory item comprises a tag for storing an identification code is disclosed. The system includes a network of interrogation zones, each interrogation zone comprising a reader and at least one antenna; a middleware server connected to the respective reader in each interrogation zone, the middleware server managing and controlling the network of interrogation zones; a monitoring server connected to the middleware server, the monitoring server processing data acquired by the middleware server; and a database server connected to the monitoring server, the database server storing data processed by the monitoring server wherein the reader is adapted to receive data from the tag of the inventory item when the tag is within the interrogation zone and is further adapted to transmit data to the middleware upon a respective request.
    • 公开了一种库存管理和控制系统和方法,用于监视库存物品的状态,其中库存物品包括用于存储识别码的标签。 该系统包括询问区的网络,每个询问区包括读取器和至少一个天线; 在每个询问区连接到相应阅读器的中间件服务器,管理和控制询问区网络的中间件服务器; 连接到中间件服务器的监视服务器,监视服务器处理由中间件服务器获取的数据; 以及连接到所述监视服务器的数据库服务器,所述数据库服务器存储由所述监视服务器处理的数据,其中所述读取器适于当所述标签在询问区域内时从所述库存物品的所述标签接收数据,并且还适于发送数据 根据相应的请求到中间件。
    • 10. 发明申请
    • A METHOD OF PREDICTING REFLECTANCE FUNCTIONS
    • 一种预测反射函数的方法
    • WO2003030524A2
    • 2003-04-10
    • PCT/GB2002/004500
    • 2002-10-04
    • DIGIEYE PLC.LUO, Ming, RonnierLI, CHUANGJUN
    • LUO, Ming, RonnierLI, CHUANGJUN
    • H04N5/225
    • G01J3/10G01J3/46
    • A method for obtaining a reflectance function from a camera output includes the following steps: uniformly sampling the visible range of wavelengths (λ = a t o λ = b) by choosing an integer n and specifying that λ i = a +(i-l)Δλ, i =1,2,...n, with formula (I); defining a relationship between camera output and reflectance function, using the following equation: P = W T r , where P is a known camera response vector, W is a known weight matrix derived from an illuminant function and the spectral sensitivities of the camera sensors, W T is the transposition of the matrix W and r is an unknown n component column vector representing reflectance function defined by formula (II): where R(λ 1 )to R(λ n ) are the unknown reflectances of the observed object at each of the n different wavelengths; and finding a solution for P = W T r which includes a measure of both the smoothness and the colour constancy of the reflectance function, the relative importance of smoothness and of colour constancy being defined by respective weighting factors. The above method results in a reflectance function which is relatively smooth and which preferably has a high degree of colour constancy, and is therefore realistic.
    • 从照相机输出获得反射率函数的方法包括以下步骤:通过选择整数n并且指定lambdi = a + i-lDELTAlambd,i = 1对波长lambd = a至lambd = b的可见范围进行均匀采样, 2,... n,其中公式I定义相机输出和反射函数之间的关系,使用以下等式:P = WTr,其中P是已知的相机响应向量,W是从光源函数导出的已知权重矩阵, 相机传感器的光谱灵敏度,WT是矩阵W的转置,r是表示由公式II定义的反射函数的未知n分量列向量:其中Rambd1至Rlambdn是在n个不同的每个处观察到的对象的未知反射率 波长,并找到一个P = WTr的解决方案,其中包括反射函数的平滑度和颜色恒定性的测量,平滑度和颜色恒定性的相对重要性 由各个加权因子定义。 上述方法产生相对平滑的反射函数,并且优选地具有高度的颜色恒定性,因此是现实的。