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    • 2. 发明申请
    • ACTIVE FRAME SYSTEM FOR AMBIENT LIGHTING USING A VIDEO DISPLAY AS A SIGNAL SOURCE
    • 使用作为信号源的视频显示的环境照明的主动框架系统
    • US20090167192A1
    • 2009-07-02
    • US11571288
    • 2005-06-27
    • Elmo M. A. DiederiksMark J. Elting
    • Elmo M. A. DiederiksMark J. Elting
    • G02F1/00H05B37/02
    • H04N9/73
    • Active diffuser frame system (A) for a video display (D) provides ambient lighting in viewer object mode and relies on real-time video input only, with no separate lighting script required. The system uses a controllable light source, and multiple inputs to improve realism and fidelity. Video inputs include actual display light; sensing of display light; and the video display signal. The frame can include a light modulator, or a goniophotometric or goniochromatic element to change character (intensity, color) of ambient light as a function of viewing angles, or a photoluminescent emitter for new chromaticities outside the display color gamut. The frame can split light between the viewer and the frame input, and can derive an added video signal to drive selected display pixels to boost output of display light into the frame.
    • 用于视频显示器(D)的主动扩散器框架系统(A)在观看者对象模式中提供环境照明,并且仅依赖于实时视频输入,而不需要单独的照明脚本。 该系统使用可控光源和多个输入来提高逼真度和逼真度。 视频输入包括实际显示灯; 感应显示灯; 和视频显示信号。 该框架可以包括光调制器或用于改变作为视角的函数的环境光的角色(强度,颜色)的光调制器,或用于显示色域外的新色度的光致发光器。 帧可以在观看者和帧输入之间分离光,并且可以导出添加的视频信号以驱动所选择的显示像素,以将显示光的输出增加到帧中。
    • 6. 发明授权
    • Dominant color extraction for ambient light derived from video content mapped through unrendered color space
    • 通过未渲染色彩空间映射的视频内容导出的环境光的主色提取
    • US08063992B2
    • 2011-11-22
    • US11571284
    • 2005-06-27
    • Srinivas GuttaMark J. Elting
    • Srinivas GuttaMark J. Elting
    • H04N5/57H04N5/58
    • H04N9/73H05B37/029
    • Extracting and processing video content encoded in a rendered color space to be emulated by an ambient light source, comprising extracting dominant color information from a video signal and transforming the color information through unrendered color space using tristimulus primary matrices to form a second rendered color space for ambient distribution. Steps include quantizing the rendered color space to form an assigned color distribution, such as by reducing possible color states, or binning to form superpixels; and selecting a dominant color using a mode, mean, median, or weighted average of pixel chromaticities. A color of interest can be further analyzed to produce a true dominant color, and past video frames can guide selection of dominant colors in future frames.
    • 提取和处理被渲染的颜色空间中编码的要被环境光源模拟的视频内容,包括从视频信号中提取主要颜色信息,并使用三色主矩阵来转换未渲染颜色空间的颜色信息,以形成第二渲染颜色空间, 环境分布。 步骤包括量化所渲染的颜色空间以形成所分配的颜色分布,例如通过减少可能的颜色状态或合并形成超像素; 并使用像素色度的模式,均值,中值或加权平均来选择主色。 可以进一步分析感兴趣的颜色以产生真正的主色,并且过去的视频帧可以指导未来帧中的主色选择。
    • 10. 发明授权
    • Dominant color extraction using perceptual rules to produce ambient light derived from video content
    • 使用感知规则来产生源自视频内容的环境光的主色提取
    • US07894000B2
    • 2011-02-22
    • US11571283
    • 2005-06-27
    • Srinivas GuttaElmo M. A. DiederiksMark J. Elting
    • Srinivas GuttaElmo M. A. DiederiksMark J. Elting
    • H04N5/57H04N5/58
    • H04N9/12G06T7/90H04N9/64H04N9/73H05B37/029Y02B20/48
    • Extracting and processing video content encoded in a rendered color space to be emulated by an ambient light source, using perceptual rules for intelligent dominant color selection. Steps include quantizing the video color space; performing dominant color extraction by using a mode, median, mean, or weighted average of pixel chromaticities; applying perceptual rules to further derive dominant chromaticities via [1] chromaticity transforms; [2] a weighted average using a pixel weighting function influenced by scene content; and [3] extended dominant color extraction where pixel weighting is reduced for majority pixels; and [4] transforming the dominant color chosen to the ambient light color space using tristimulus matrices. A color of interest can be further analyzed to produce a true dominant color, and past video frames can guide selection of dominant colors in future frames.
    • 提取和处理被渲染的颜色空间中编码的视频内容,以由环境光源模拟,使用智能主导颜色选择的感知规则。 步骤包括量化视频颜色空间; 通过使用像素色度的模式,中值,平均值或加权平均值来执行主要颜色提取; 应用感知规则通过[1]色度变换进一步导出主色; [2]使用受场景内容影响的像素加权函数的加权平均值; 和[3]扩展主色提取,其中大多数像素的像素加权减少; 和[4]使用三刺激矩阵将所选择的主要颜色转换为环境光色空间。 可以进一步分析感兴趣的颜色以产生真正的主色,并且过去的视频帧可以指导未来帧中的主色选择。