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    • 1. 发明授权
    • Visual communication signal
    • 可视通信信号
    • US07439976B2
    • 2008-10-21
    • US10478734
    • 2002-05-28
    • Peter-Andre RedertFabian Edgar ErnstPiotr WilinskiMarc Joseph Rita Op De Beeck
    • Peter-Andre RedertFabian Edgar ErnstPiotr WilinskiMarc Joseph Rita Op De Beeck
    • G06T15/10
    • G06T17/00
    • Disclosed is a visual communication signal (32) which comprises image model information (10) for generating 3-D images. The image model information (10) may comprise a 3-D image model, e.g. a 3-D wireframe model or a 3-D voxel map. Some of the generated 3-D images may have a relatively low image quality. The visual communication signal (32) further comprises image enhancement information (20) corresponding to at least part of the 3-D images for enhancing the image quality of the generated 3-D images. This image enhancement information (20) may comprise image information corresponding to one or more single viewpoints (22, 24) and/or image information corresponding to one or more ranges of viewpoints (26, 28). The visual communication signal (32) may be transmitted from a transmitter (30) to a receiver (34) in a visual communication system (40) such as a 3-D television system or a 3-D teleconferencing system. Alternatively, the visual communication signal (32) may be carried by a tangible medium, e.g. a CD-ROM or a DVD-ROM.
    • 公开了一种可视通信信号(32),其包括用于产生3-D图像的图像模型信息(10)。 图像模型信息(10)可以包括3-D图像模型,例如, 3-D线框模型或3-D体素图。 所生成的三维图像中的一些可能具有相对较低的图像质量。 可视通信信号(32)还包括对应于至少部分3-D图像的图像增强信息(20),用于增强所生成的3-D图像的图像质量。 该图像增强信息(20)可以包括对应于一个或多个单个视点(22,24)的图像信息和/或对应于一个或多个视点范围(26,28)的图像信息。 可视通信信号(32)可以在诸如3-D电视系统或3-D电话会议系统的视觉通信系统(40)中从发射机(30)发送到接收机(34)。 或者,视觉通信信号(32)可以由有形介质,例如, CD-ROM或DVD-ROM。
    • 3. 发明申请
    • Rendering Images Based On Image Segmentation
    • 基于图像分割的渲染图像
    • US20080187222A1
    • 2008-08-07
    • US11718917
    • 2005-11-08
    • Fabian Edgar ErnstPeter-Andre Redert
    • Fabian Edgar ErnstPeter-Andre Redert
    • G06K9/34
    • G06T15/20G06T7/12G06T7/97G06T2207/20228
    • The invention relates to a method for providing rendered images based on image segmentation with determining an edge within the image introduced by boundaries of image segments. To allow shift-based rendering, the invention provides determining an edge within the image introduced by boundaries of image segments, determining an edge region around the edge, determining a first displacement field for the segments, determining a second displacement field for the edge region, merging the first and the second displacement field into a third displacement field having a displacement of the first displacement field for the segments and a displacement of the second displacement field for the edge region, such that the edge region is treated as a separate object with a separate displacement, and shifting the image pixels according to the third displacement field.
    • 本发明涉及一种基于图像分割提供渲染图像的方法,其中确定由图像段边界引入的图像内的边缘。 为了允许基于位移的渲染,本发明提供了确定由图像段的边界引入的图像内的边缘,确定边缘周围的边缘区域,确定区段的第一位移场,确定边缘区域的第二位移场, 将第一和第二位移场合并成具有用于段的第一位移场的位移和边缘区域的第二位移场的位移的第三位移场,使得边缘区域被视为具有 分离位移,并根据第三位移场移动图像像素。
    • 4. 发明授权
    • Creating a depth map
    • 创建深度图
    • US08036451B2
    • 2011-10-11
    • US10597976
    • 2005-02-07
    • Peter-Andre RedertFabian Edgar Ernst
    • Peter-Andre RedertFabian Edgar Ernst
    • G06K9/00G06K9/36G06K9/46
    • G06T7/50
    • A method of generating a depth map (122) comprising depth values representing distances to a viewer, for respective pixels of an image (100), is disclosed. The method comprises: computing a cost value for a first one of the pixels (108) of the image by combining differences between values of pixels which are disposed on a path (112) from the first one of the pixels (108) to a second one of the pixels (110) which belongs to a predetermined subset of the pixels of the image; and assigning a first one of the depth values corresponding to the first one of the pixels (108) on basis of the cost value.
    • 公开了一种生成深度图(122)的方法,该深度图(122)包括表示对于图像(100)的各个像素的观看者的距离的深度值。 该方法包括:通过组合设置在从第一个像素(108)到第二个像素(108)的路径(112)上的像素的值之间的差异来计算图像的第一个像素(108)的成本值, 像素(110)中的一个属于图像的像素的预定子集; 以及基于所述成本值分配与所述第一像素(108)相对应的所述深度值中的第一个。
    • 5. 发明授权
    • Rendering images based on image segmentation
    • 基于图像分割渲染图像
    • US07840070B2
    • 2010-11-23
    • US11718917
    • 2005-11-08
    • Fabian Edgar ErnstPeter-Andre Redert
    • Fabian Edgar ErnstPeter-Andre Redert
    • G06K9/34
    • G06T15/20G06T7/12G06T7/97G06T2207/20228
    • The invention relates to a method for providing rendered images based on image segmentation with determining an edge within the image introduced by boundaries of image segments. To allow shift-based rendering, the invention provides determining an edge within the image introduced by boundaries of image segments, determining an edge region around the edge, determining a first displacement field for the segments, determining a second displacement field for the edge region, merging the first and the second displacement field into a third displacement field having a displacement of the first displacement field for the segments and a displacement of the second displacement field for the edge region, such that the edge region is treated as a separate object with a separate displacement, and shifting the image pixels according to the third displacement field.
    • 本发明涉及一种基于图像分割提供渲染图像的方法,其中确定由图像段边界引入的图像内的边缘。 为了允许基于位移的渲染,本发明提供了确定由图像段的边界引入的图像内的边缘,确定边缘周围的边缘区域,确定区段的第一位移场,确定边缘区域的第二位移场, 将第一和第二位移场合并成具有用于段的第一位移场的位移和边缘区域的第二位移场的位移的第三位移场,使得边缘区域被视为具有 分离位移,并根据第三位移场移动图像像素。
    • 8. 发明申请
    • AUTOSTEREOSCOPIC DISPLAY DEVICE
    • 自动显示设备
    • US20100245406A1
    • 2010-09-30
    • US12739420
    • 2008-10-27
    • Peter-Andre RedertMarcellinus Petrus Carolus Michael Krijn
    • Peter-Andre RedertMarcellinus Petrus Carolus Michael Krijn
    • G09G5/10H04N13/04
    • H04N13/32H04N13/305H04N13/349
    • A multi-view autostereoscopic display device comprises: a backlight having a plurality of backlight areas arranged in a width direction of the display device; a spatial light modulator arranged over and in registration with the backlight, the spatial light modulator having an array of display forming elements arranged in rows and columns for modulating light received from the backlight; and a view forming layer arranged over and in registration with the spatial light modulator, the view forming layer having a plurality of view forming elements arranged in the width direction of the display device, each view forming element being configured to focus modulated light from adjacent groups of the display forming elements into a plurality of views for projection towards a user in different directions. The backlight is switchable to activate different ones of the backlight areas in different portions of a driving cycle of the display device so that, in the different portions of the driving cycle, modulated light from the active backlight areas is incident on each view forming element with respective different angles of incidence. In this way, the overall viewing angle or the effective three dimensional display resolution may be increased.
    • 多视点自动立体显示装置包括:具有沿显示装置的宽度方向布置的多个背光区域的背光源; 布置在背光并与其对准的空间光调制器,空间光调制器具有排列成行和列的显示形成元件阵列,用于调制从背光接收的光; 以及与所述空间光调制器配置并对准的视图形成层,所述视图形成层具有沿所述显示装置的宽度方向布置的多个视图形成元件,每个视图形成元件被配置为聚焦来自相邻组的调制光 的显示形成元件分成用于在不同方向上向用户突出的多个视图。 背光源可切换以在显示装置的驱动周期的不同部分中激活不同的背光区域,使得在驱动周期的不同部分中,来自主动背光区域的调制光入射到每个视图形成元件上, 各自的不同入射角。 以这种方式,可以增加整体视角或有效的三维显示分辨率。
    • 10. 发明申请
    • Optical System For 3-Dimensional Display
    • 光学系统三维显示
    • US20080278809A1
    • 2008-11-13
    • US12092416
    • 2006-10-26
    • Peter-Andre RedertMarcellinus Petrus Carolus Michael Krijn
    • Peter-Andre RedertMarcellinus Petrus Carolus Michael Krijn
    • G02B27/22
    • G02B27/2214G02B3/14G02B26/005H04N13/302H04N13/305H04N13/307H04N13/322H04N13/398
    • An optical system that can add an optical depth information to a two-dimensional image (72) represented by substantially collimated light, e.g. by using a collimated light source in front of a LCD display. The optical system includes a first array of optical lenses (70) arranged at a first distance in front of the two-dimensional image (72), and a second array of optical lenses (71) arranged at a second distance in front of the two-dimensional image (72), the second distance being larger than the first distance. Optical properties, e.g. focal length, can be adjusted for the optical lenses of the first and second array of optical lenses (70, 71) in response to the optical depth information. The optical system can serve as an optical front for 3D multiview displays. Depending on embodiment, both horizontal and vertical angular resolution can be obtained, and the front end exhibits only a small brightness loss. Preferably one lens per pixel is used in case of a pixelized image. In one embodiment, a stack of several arrays of on/off switchable optical lenses are arranged at different distances in front of the two-dimensional image, wherein a depth is applied by turning on one lens corresponding to the desired depth distance. In another preferred embodiment two arrays of continuously adjustable lenses are used to generate a depth by adjusting the lenses so as to provide an apparent position in between the two arrays. Preferably, a diffuser is positioned in front of the second array of lenses. Different shapes of lenses may be used such as spherical lenses, lenticular lenses, Fresnel type lenses or “horse-saddle” shaped lenses. The arrays of lenses may be implemented using GRIN lenses or fluid-focus lenses. Preferably, the lenses of each array of lenses are individually adjustable.
    • 一种光学系统,其可以将光学深度信息添加到由基本上准直的光(例如)表示的二维图像(72)。 通过在LCD显示器前面使用准直光源。 该光学系统包括在二维图像(72)的前面以第一距离排列的第一光学透镜阵列(70),以及第二阵列的光学透镜(71),其布置在两个前面的第二距离处 维数图像(72),第二距离大于第一距离。 光学性质,例如 可以根据光学深度信息调整第一和第二光学透镜阵列(70,71)的光学透镜的焦距。 该光学系统可以作为3D多视图显示器的光学前端。 根据实施例,可以获得水平和垂直角分辨率,并且前端仅表现出小的亮度损失。 在像素化图像的情况下,优选使用每像素一个透镜。 在一个实施例中,可以在二维图像之前的不同距离处布置多个开/关可切换光学透镜阵列的叠层,其中通过打开与所需深度距离对应的一个透镜来施加深度。 在另一个优选实施例中,通过调整透镜来使用两个连续可调透镜阵列来产生深度,从而在两个阵列之间提供明显的位置。 优选地,扩散器位于第二阵列阵列的前面。 可以使用不同形状的透镜,例如球面透镜,双凸透镜,菲涅尔型透镜或“马鞍”形透镜。 透镜阵列可以使用GRIN透镜或流体对焦透镜来实现。 优选地,每个透镜阵列的透镜可单独调节。