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    • 1. 发明申请
    • Reflectance Spectra Estimation and Colour Space Conversion Using Reference Reflectance Spectra
    • 使用参考反射光谱的反射光谱估计和色彩空间转换
    • US20090128649A1
    • 2009-05-21
    • US11885705
    • 2006-02-24
    • Daniel Robert Colaco OsorioJohn Conrad Anderson
    • Daniel Robert Colaco OsorioJohn Conrad Anderson
    • H04N5/228
    • H04N1/6033H04N1/6083H04N1/6086
    • A Personal Computer (PC) adjusts a colour of an image received from a digital camera to produce an estimated reflectance spectrum and/or to convert the colour to a new colour space. First, an input compensation transform is generated, e.g. based on a Macbeth colour chart in the image, to compensate for the sensitivity of the camera used to generate the image to different wavelengths of light and the illumination spectrum incident on an object of interest to which the image relates. In order to estimate the reflectance spectrum, a reflectance spectrum estimation transform is then generated by the PC. In order to convert the colour of the image to the new colour space, a colour space conversion transform is generated by the PC. Both the reflectance spectrum estimation transform and the colour space conversion transform are based on the input compensation transform and reference reflectance spectra stored in a reference reflectance spectra database.
    • 个人计算机(PC)调整从数码相机接收的图像的颜色以产生估计的反射光谱和/或将颜色转换为新的颜色空间。 首先,生成输入补偿变换,例如, 基于图像中的Macbeth色彩图,以补偿用于将图像生成到不同波长的光的照相机的灵敏度以及入射到图像所涉及的感兴趣对象上的照明光谱。 为了估计反射光谱,PC产生反射谱估计变换。 为了将图像的颜色转换为新的颜色空间,PC产生色空间转换变换。 反射光谱估计变换和颜色空间转换变换均基于存储在参考反射光谱数据库中的输入补偿变换和参考反射光谱。
    • 4. 发明授权
    • Bistable matrix television display system
    • 双稳矩阵电视显示系统
    • US4006298A
    • 1977-02-01
    • US579172
    • 1975-05-20
    • Vernon John FowlerBruce Conrad Anderson
    • Vernon John FowlerBruce Conrad Anderson
    • H04N3/12H04N5/66
    • H04N3/12
    • A television display system is described in which a full resolution, interlaced scanned display of real-time images is provided on a bistable matrix display panel. The display system has a gray scale with 64 discrete levels of brightness. The brightness levels are achieved with each panel cell turning on for one of 63 different accumulative intervals of time in response to digitized TV signals. From zero to six separate pulses of light are produced from each cell. The durations of these pulses form a geometric progression such that each of the sixty-four possible combinations of pulses has a distinct cumulative time interval. The analog TV signal is converted to a 6-bit digital word for each cell of the display panel. A memory and control system are provided for storage of the words. The least significant bit of the digitized TV signal controls the shortest pulse for the particular cell, and the most significant bit controls the longest pulse. Each bit of the digitized TV signal controls a pulse twice as long as the one controlled by the previous bit. By controlling the shortest duration pulses of the cell first and the longest duration pulses last, the data memory requires no more than one storage location per cell for the six bits of the signal.
    • 描述了一种电视显示系统,其中在双稳态矩阵显示面板上提供实时图像的全分辨率,隔行扫描显示。 显示系统具有64个离散亮度级别的灰度级。 每个面板单元响应于数字化的电视信号,在63个不同的累积时间间隔中的一个开启时实现亮度水平。 从每个单元产生从零到六个单独的光脉冲。 这些脉冲的持续时间形成几何级数,使得六十四种可能的脉冲组合中的每一种具有不同的累积时间间隔。 模拟电视信号被转换为显示面板的每个单元的6位数字字。 提供存储和控制系统用于存储单词。 数字化电视信号的最低有效位控制特定单元的最短脉冲,最高有效位控制最长脉冲。 数字化电视信号的每一位控制由前一位控制的脉冲的两倍的脉冲。 通过首先控制单元的最短持续时间脉冲和持续时间最长的脉冲,数据存储器对于信号的六位每个单元需要不超过一个存储位置。
    • 7. 发明授权
    • Reflectance spectra estimation and colour space conversion using reference reflectance spectra
    • 使用参考反射光谱的反射光谱估计和色彩空间转换
    • US08044969B2
    • 2011-10-25
    • US11885705
    • 2006-02-24
    • Daniel Robert Colaco OsorioJohn Conrad Anderson
    • Daniel Robert Colaco OsorioJohn Conrad Anderson
    • H04N1/46H04N1/60H04N5/228G06T1/00G06K9/00G06K9/32G09G5/00G09G5/02G06K9/40
    • H04N1/6033H04N1/6083H04N1/6086
    • A Personal Computer (PC) adjusts a color of an image received from a digital camera to produce an estimated reflectance spectrum and/or to convert the color to a new color space. First, an input compensation transform is generated, e.g. based on a Macbeth color chart in the image, to compensate for the sensitivity of the camera used to generate the image to different wavelengths of light and the illumination spectrum incident on an object of interest to which the image relates. In order to estimate the reflectance spectrum, a reflectance spectrum estimation transform is then generated by the PC. In order to convert the color of the image to the new color space, a color space conversion transform is generated by the PC. Both the reflectance spectrum estimation transform and the color space conversion transform are based on the input compensation transform and reference reflectance spectra stored in a reference reflectance spectra database.
    • 个人计算机(PC)调整从数码相机接收的图像的颜色以产生估计的反射光谱和/或将颜色转换为新的颜色空间。 首先,生成输入补偿变换,例如, 基于图像中的Macbeth色彩图,以补偿用于将图像生成到不同波长的光的照相机的灵敏度以及入射到图像所涉及的感兴趣对象上的照明光谱。 为了估计反射光谱,PC产生反射谱估计变换。 为了将图像的颜色转换为新的颜色空间,PC产生色空间转换变换。 反射光谱估计变换和颜色空间转换变换均基于存储在参考反射光谱数据库中的输入补偿变换和参考反射光谱。