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    • 4. 发明授权
    • Illumination device comprising a collimator
    • 包括准直仪的照明装置
    • US08475010B2
    • 2013-07-02
    • US12993281
    • 2009-05-27
    • Michel Cornelis Josephus Marie VissenbergAnthonie Hendrik BergmanTim DekkerGiovanni Cennini
    • Michel Cornelis Josephus Marie VissenbergAnthonie Hendrik BergmanTim DekkerGiovanni Cennini
    • F21V5/00
    • G02B6/0011G02B6/0045G02B6/0078
    • The invention provides an illumination device (1) comprising a lighting unit (2). The lighting unit (2) comprises a light source (100) and a substantially flat collimator (200), arranged to collimate light source light (111). The collimator (200) has an entrance window (210), an edge window (220), a top collimator surface (201), a bottom collimator surface (202), a first collimating side edge (230) and a second collimating side edge (240). The lighting unit has an optical axis (O). One or more of the top collimator surface (201), the bottom collimator surface (202), the first collimating side edge (230) and the second collimating side edge (240) comprise n*½ grooves (300), wherein n is a positive integer number, and wherein the grooves (300) independently have a longitudinal axis (301) having a groove direction angle (ω) with the optical axis (O) ≧0° and & and
    • 本发明提供一种包括照明单元(2)的照明装置(1)。 照明单元(2)包括光源(100)和基本平坦的准直器(200),被布置成准直光源光(111)。 准直器(200)具有入口窗口(210),边缘窗口(220),顶部准直器表面(201),底部准直器表面(202),第一准直侧边缘(230)和第二准直侧边缘 (240)。 照明单元具有光轴(O)。 顶部准直器表面(201),底部准直器表面(202),第一准直侧边缘(230)和第二准直侧边缘(240)中的一个或多个包括n * 1/2个凹槽(300),其中n是 正整数,并且其中所述凹槽(300)独立地具有纵轴(301),所述纵向轴线(301)具有光轴(O)> 0°和&和<90°的槽方向角(ω)。
    • 5. 发明授权
    • Illumination system and display device
    • 照明系统和显示设备
    • US08128273B2
    • 2012-03-06
    • US12446275
    • 2007-10-23
    • Fetze PijlmanGiovanni CenniniMichel Cornelis Josephus Marie Vissenberg
    • Fetze PijlmanGiovanni CenniniMichel Cornelis Josephus Marie Vissenberg
    • F21V7/04
    • G02F1/133606G02B6/005G02B6/0068G02F1/133609G02F1/133611G02F2001/133607
    • An illumination system for illuminating a display device includes a light-mixing chamber having a light-exit window, a rear wall situated opposite the light-exit window, and edge walls which extend between the light-exit window and the rear wall. A surface of the rear wall is substantially specularly reflective for specularly reflecting light impinging on the surface of the rear wall and having a relatively large angle of incidence with respect to an axis perpendicular to the rear wall. The illumination system further includes a light source light out-coupling elements. The light source emits light into the light-mixing chamber in a direction substantially parallel to the light-exit window. The illumination system further includes an angularly reflective filter applied at the light-exit window. The angularly reflective filter includes substantially transparent layers, each layer having a substantially uniform thickness. Each set of two adjacent layers of the angularly reflective filter has different refractive indexes.
    • 用于照明显示装置的照明系统包括具有出光窗的光混合室,与光出射窗相对的后壁,以及在出光窗和后壁之间延伸的边缘壁。 后壁的表面基本上是镜面反射的,用于镜面反射照射在后壁的表面上的光并且相对于垂直于后壁的轴具有相对大的入射角。 照明系统还包括光源光输出耦合元件。 光源在基本上平行于光出射窗的方向上将光发射到光混合室中。 照明系统还包括在光出射窗处施加的角度反射滤光片。 角度反射滤光器包括基本上透明的层,每个层具有基本均匀的厚度。 角度反射滤光片的两组相邻层的每一组具有不同的折射率。
    • 7. 发明申请
    • ILLUMINATION DEVICE COMPRISING A COLLIMATOR
    • 包括胶卷机的照明装置
    • US20110085332A1
    • 2011-04-14
    • US12993281
    • 2009-05-27
    • Michel Cornelis Josephus Marie VissenbergAnthonie Hendrik BergmanTim DekkerGiovanni Cennini
    • Michel Cornelis Josephus Marie VissenbergAnthonie Hendrik BergmanTim DekkerGiovanni Cennini
    • F21V5/00
    • G02B6/0011G02B6/0045G02B6/0078
    • The invention provides an illumination device (1) comprising a lighting unit (2). The lighting unit (2) comprises a light source (100) and a substantially flat collimator (200), arranged to collimate light source light (111). The collimator (200) has an entrance window (210), an edge window (220), a top collimator surface (201), a bottom collimator surface (202), a first collimating side edge (230) and a second collimating side edge (240). The lighting unit has an optical axis (O). One or more of the top collimator surface (201), the bottom collimator surface (202), the first collimating side edge (230) and the second collimating side edge (240) comprise n*½ grooves (300), wherein n is a positive integer number, and wherein the grooves (300) independently have a longitudinal axis (301) having a groove direction angle (ω) with the optical axis (O) ≧0° and & and
    • 本发明提供一种包括照明单元(2)的照明装置(1)。 照明单元(2)包括光源(100)和基本平坦的准直器(200),被布置成准直光源光(111)。 准直器(200)具有入口窗口(210),边缘窗口(220),顶部准直器表面(201),底部准直器表面(202),第一准直侧边缘(230)和第二准直侧边缘 (240)。 照明单元具有光轴(O)。 顶部准直器表面(201),底部准直器表面(202),第一准直侧边缘(230)和第二准直侧边缘(240)中的一个或多个包括n * 1/2个凹槽(300),其中n是 正整数,并且其中所述凹槽(300)独立地具有具有光轴(O)≥0°和&和<90°的槽方向角(ω)的纵轴(301)。
    • 9. 发明授权
    • Method and system for image analysis
    • 图像分析方法与系统
    • US08634591B2
    • 2014-01-21
    • US13389539
    • 2010-08-09
    • Vincent JeanneIhor Olehovych KirenkoGiovanni CenniniLing Shao
    • Vincent JeanneIhor Olehovych KirenkoGiovanni CenniniLing Shao
    • G06K9/00
    • G06K9/2027G06K9/00496G06T7/0016G06T2207/30076
    • A method of image analysis, includes: obtaining a sequence (37;51) of images, each represented by pixel data; performing a vision-based analysis on at least one of the sequence (37;51) of images to obtain data for classifying a state of a subject represented in the images;—determining at least one value of a physiological parameter of a living being represented in at least some of the sequence (37;51) of images; and classifying a state of the subject using the data obtained with the vision-based analysis and the at least one value of the physiological parameter. The at least one value of the physiological parameter is determined through analysis of image data from the same sequence (37;51) of images from which the at least one image on which the vision-based analysis is performed is taken. A method of enabling remote photoplethysmographic analysis includes: obtaining a sequence (37;51) of images from at least one camera (3), each represented by pixel data representative of reflected ambient light in at least a limited range of wavelengths; and, for at least one measurement zone (41), providing a signal representative of at least variations in a time-varying value of a combination of pixel values at least a number of image points in the measurement zone (41) for use in determining at least one value of a physiological parameter. At least part of a selected subject represented in the sequence (37;51) of images is tracked, and a directable light source (4) illuminating at least part of the selected subject is controlled.
    • 一种图像分析方法,包括:获得由像素数据表示的图像序列(37; 51); 对图像的序列(37; 51)中的至少一个进行基于视觉的分析,以获得用于对图像中表示的对象的状态进行分类的数据; - 确定表示的生物的生理参数的至少一个值 在图像的序列(37; 51)中的至少一些中; 以及使用通过基于视觉的分析获得的数据和所述生理参数的所述至少一个值来对所述受试者的状态进行分类。 通过分析从其上进行基于视觉的分析的至少一个图像的图像的相同序列(37; 51)的图像数据的分析来确定生理参数的至少一个值。 一种启用远程光电容积描记术分析的方法包括:从至少一个照相机(3)获得图像的序列(37; 51),每个相机(3)由表示至少有限的波长范围内的反射环境光的像素数据表示; 并且对于至少一个测量区域(41),提供表示测量区域(41)中的至少多个图像点的像素值的组合的至少变化值的变化的信号,以用于确定 至少一个生理参数值。 跟踪在图像序列(37; 51)中表示的被选对象的至少一部分,并且控制照亮所选被摄体的至少一部分的可定向光源(4)。