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    • 1. 发明授权
    • Method for electronic reduction of the contrast of video images as early as during recording
    • 在记录过程中尽早电子缩小视频图像的对比度的方法
    • US06529243B1
    • 2003-03-04
    • US09048926
    • 1998-03-26
    • Werner Ritter von SteinWolfgang Zahn
    • Werner Ritter von SteinWolfgang Zahn
    • H04N5225
    • H04N5/235H04N5/142H04N5/20H04N5/243H04N9/045H04N2209/049
    • A method for electronic reduction of the contrast of video images as early as during recording provides electronic brightening of the shaded zones of a video image in a camera as early as during recording while maintaining the detail contrast even in the brightened regions. A blurred diffuse image of the motif is produced on the image sensor in the camera by the objective and the electronically alterable diffusion element, and is stored in a frame store. The black and white contrast of the mask is determined in the evaluation circuit, and a control variable is generated pixel-by-pixel from this. The focused video image which is subsequently produced on the image sensor when the diffusion element is switch to be crystal-clear is read and is amplified or attenuated pixel-by-pixel such that the shadowed parts are brightened and/or the bright zones are attenuated.
    • 一种用于在记录期间电子降低视频图像的对比度的方法提供了在记录期间在摄像机中视频图像的阴影区域的电子增亮,同时即使在增亮区域中也保持细节对比度。 通过物镜和电子可变扩散元件在摄像机的图像传感器上产生模糊的模糊漫射图像,并存储在帧存储器中。 在评估电路中确定掩模的黑白对比度,并从其中逐像素地生成控制变量。 读取扩散元件切换为清晰的随后在图像传感器上产生的聚焦视频图像,并逐个像素地放大或衰减,使得阴影部分变亮和/或亮区域被衰减 。
    • 6. 发明申请
    • VIRTUAL SPOTLIGHT FOR DISTINGUISHING OBJECTS OF INTEREST IN IMAGE DATA
    • 用于识别图像数据利益的虚拟照明
    • US20090102858A1
    • 2009-04-23
    • US12293364
    • 2007-03-12
    • Helmuth EggersStefan HahnGerhard KurzOtto LoehleinMatthias OberlaenderWerner RitterRoland Schweiger
    • Helmuth EggersStefan HahnGerhard KurzOtto LoehleinMatthias OberlaenderWerner RitterRoland Schweiger
    • G09G5/00
    • G06K9/00805G06T11/001G08G1/166G08G1/167
    • Assistance systems are increasingly being used to assist vehicle drivers when driving their vehicles. To this end, a camera is used to record image data from the area surrounding a vehicle, and at least some of the image data (1) are shown on a display following object identification and image processing. After the image data have been recorded by the camera, they are processed using object identification in order to identify objects (2, 3) in the recorded image data. At least some of the objects (2, 3) which have been identified in this manner are highlighted when showing the image data (1) on the display. In this case, the identified objects (2, 3) are highlighted in such a manner that the image data (1) to be shown are divided into two types of regions. In this case, the first type of region comprises the objects (2, 3) which have been identified and are to be highlighted and a surrounding region (2a, 3a) which respectively directly adjoins the latter in a corresponding manner. The second type of region then comprises those image data (1) which have not been assigned to the first type of region. The objects in the image data (1) are then highlighted in such a manner that the image data of both types of regions are manipulated in different ways.
    • 援助系统越来越多地用于在驾驶车辆时协助车辆驾驶员。 为此,摄像机用于记录来自车辆周围的区域的图像数据,并且至少一些图像数据(1)被显示在物体识别和图像处理之后的显示器上。 在通过相机记录图像数据之后,使用对象识别来处理图像数据,以识别所记录的图像数据中的对象(2,3)。 当在显示器上显示图像数据(1)时,以这种方式识别的至少一些对象(2,3)被突出显示。 在这种情况下,所识别的对象(2,3)以使得要显示的图像数据(1)被分成两种类型的区域的方式突出显示。 在这种情况下,第一类型的区域包括已被识别并被突出显示的对象(2,3),以及分别以相应的方式直接与其相邻的周围区域(2a,3a)。 然后,第二类型的区域包括尚未分配给第一类型的区域的那些图像数据(1)。 图像数据(1)中的对象然后以不同方式操作两种类型的区域的图像数据的方式突出显示。
    • 7. 发明授权
    • Method for producing an ethylene copolymer
    • 乙烯共聚物的制造方法
    • US06586540B1
    • 2003-07-01
    • US09889607
    • 2001-07-19
    • Paulus De LangeVolker BillertBernd BrunnerWerner RitterAndreas Deckers
    • Paulus De LangeVolker BillertBernd BrunnerWerner RitterAndreas Deckers
    • C08F21016
    • C08F210/16C08F2/002C08F210/14C08F2500/12C08F2500/07C08F210/08
    • The invention relates to a method for the production of copolymer based on ethylene by continuous copolymerization of ethylene and comonomer in a reactor in the presence of a catalyst. In this method, in a first step of the copolymerization, a mixture comprising ethylene and comonomer of such a composition that a copolymer-containing coating deposits in the reactor is metered into the reactor and/or generated in the reactor, and, in a second step, the concentration of the comonomer in the metered-in mixture and/or in the mixture generated in the reactor is reduced sufficiently and/or the concentration of the ethylene in the metered-in mixture and/or in the mixture generated in the reactor is increased sufficiently that the coating is removed from the reactor either partially or completely. The method has the advantage that the production of copolymer does not have to be interrupted during cleaning of the reactor.
    • 本发明涉及在反应器中在催化剂存在下通过乙烯和共聚单体的连续共聚制备基于乙烯的共聚物的方法。 在该方法中,在共聚的第一步骤中,将含有共聚物的涂层沉积在反应器中的组合物的乙烯和共聚单体的混合物计量加入反应器和/或在反应器中产生,并且在第二步中 步骤中,在计量混合物中和/或在反应器中产生的混合物中的共聚单体的浓度被充分降低和/或在计量混合物中和/或在反应器中产生的混合物中的乙烯浓度 充分增加,使得涂层部分或完全从反应器中除去。 该方法的优点在于,在反应器的清洗期间不必中断共聚物的制备。
    • 9. 发明授权
    • Process and device for improving the visibility in vehicles
    • 用于提高车辆可见性的过程和装置
    • US06996253B2
    • 2006-02-07
    • US10143152
    • 2002-05-10
    • Joachim GlogerWerner Ritter
    • Joachim GlogerWerner Ritter
    • G06K9/00
    • H04N5/332B60R1/00B60R2300/106B60R2300/205B60R2300/30B60R2300/8053H04N5/33
    • The invention concerns a device for improving the view in vehicles, in particular at night, bad weather and fog. In the process images of actual traffic scenes are recorded by a camera (2), which is sensitive outside the visible spectrum, and these images are reproduced in the visible spectrum in the vehicle via a display optic (6). According to the invention the type of object which is contained in a traffic scene recorded by the camera (2) is automatically classified according to type, and depending upon the type of the recognized object it is reproduced on the display optic (6) in an intensity and/or color, which corresponds to the intensity and/or color which the associated object typically has by daylight. The process facilitates the recognition by the vehicle operator of images of traffic scenes recorded outside the visible spectrum.
    • 本发明涉及用于改善车辆视图,特别是在夜晚,恶劣天气和雾中的装置。 在过程中,实际交通场景的图像由在可见光谱之外敏感的照相机(2)记录,并且这些图像经由显示光学器件(6)在车辆中的可见光谱中再现。 根据本发明,由摄像机(2)记录的交通场景中所包含的物体的类型根据类型自动分类,并且根据其在显示器(6)上再现的识别对象的类型, 强度和/或颜色,其对应于相关对象通常在日光下具有的强度和/或颜色。 该过程有助于车辆操作者识别在可见光谱之外记录的交通场景的图像。
    • 10. 发明授权
    • Method for improving the contrast reproduction of digitized images
    • 用于改善数字化图像的对比度再现的方法
    • US06720992B1
    • 2004-04-13
    • US09430459
    • 1999-10-29
    • Wolfgang ZahnWerner Ritter von Stein
    • Wolfgang ZahnWerner Ritter von Stein
    • H04N904
    • H04N1/6027G06T5/007
    • The optimum reproduction of high-contrast motifs in digital imaging technology is limited owing to the limited dynamic range of present-day image sensors. The reproduction of high-contrast motifs is intended to be improved using active pixel image sensors. The sensitivity of the sensor pixels is adapted, controlled in an analogous manner to the blurred brightness distribution in the motif, to ensure that the dark and bright image regions of the motif are also reproduced, well illuminated, without any loss of detailed contrast. This results in a particularly natural and balanced image impression. This method may be used in numerous fields for digital image processing.
    • 由于目前图像传感器的动态范围有限,数字成像技术中高对比度图案的最佳再现受到限制。 使用有源像素图像传感器旨在改进高对比度图案的再现。 传感器像素的灵敏度以与图案中的模糊亮度分布类似的方式进行调整,以确保图案的暗和亮的图像区域也被再现,良好照明,而没有任何损失的详细对比度。 这导致了一种特别自然和平衡的图像印象。 该方法可用于数字图像处理的多个领域。