Method for processing a video scene and corresponding device
    11.
    发明公开
    Method for processing a video scene and corresponding device 审中-公开
    Verfahren zur Verarbeitung einer Videoszene sowie entsprechende Vorrichtung

    公开(公告)号:EP2960906A1

    公开(公告)日:2015-12-30

    申请号:EP14306008.5

    申请日:2014-06-26

    Abstract: The present disclosure relates to a method for processing a video of a scene, the method comprising:
    - receiving (S1) a 3D representation of the scene,
    - determining (S2) into said 3D representation at least one candidate object, said at least one candidate object comprising a cloud of 3D points,
    - selecting (S3), among said at least one candidate object, one object to be removed,
    - computing (S4) a signature of the object to be removed, said signature being representative of 3D features of said selected object,
    - determining (S5) a substitute object from a plurality of candidate substitute objects of a library, each candidate substitute object having a signature, said determination being based on comparison of signatures, and
    - replacing (S6) the object to be removed by said substitute object into said video scene.

    Abstract translation: 本公开涉及一种用于处理场景的视频的方法,所述方法包括: - 接收(S1)所述场景的3D表示; - 将至少一个候选对象确定(S2)到所述3D表示中,所述至少一个 候选对象包括3D云点, - 在所述至少一个候选对象中选择(S3)一个要删除的对象, - 计算(S4)要删除的对象的签名,所述签名代表3D特征 , - 从库的多个候选替代对象中确定(S5)替代对象,每个候选替代对象具有签名,所述确定基于签名的比较,以及 - 将所述对象替换为(S6) 被所述替代对象移除到所述视频场景中。

    Method of processing of a compressed image into a gamut mapped image using spatial frequency analysis
    13.
    发明公开
    Method of processing of a compressed image into a gamut mapped image using spatial frequency analysis 审中-公开
    使用空间频率分析将压缩图像处理成色域映射图像的方法

    公开(公告)号:EP2120448A1

    公开(公告)日:2009-11-18

    申请号:EP08305169.8

    申请日:2008-05-14

    CPC classification number: H04N1/6058 H04N1/60

    Abstract: The spatial frequency analysis contained in the compressed image is used not only for decompression of images but also for the selection of an appropriate gamut mapping algorithm. Computation resources are then saved because no specific spatial frequency analysis is required for the selection of an appropriate gamut mapping algorithm.

    Abstract translation: 包含在压缩图像中的空间频率分析不仅用于图像的解压缩,还用于选择适当的色域映射算法。 然后保存计算资源,因为不需要特定的空间频率分析来选择适当的色域映射算法。

    Method for processing a video sequence for preventing unauthorized recording and apparatus implementing said method
    14.
    发明公开
    Method for processing a video sequence for preventing unauthorized recording and apparatus implementing said method 有权
    处理视频序列和装置此方法的实现的方法

    公开(公告)号:EP1830583A1

    公开(公告)日:2007-09-05

    申请号:EP07103072.0

    申请日:2007-02-26

    CPC classification number: H04N5/913 H04N2005/91392

    Abstract: The present invention is in the field of Content protection, most particularly in cinema venues where camcorder acquisition followed by immediate illegal distribution creates important revenue losses for content owners. It is known that anti-camcorder systems using a color modulation can be circumvented by using low shutter speed in the camcorder. Today, the shutter speed is determined automatically by the camcorder as a function of the filmed video source. In automatic configurations, shutter speed self-adapts to either motion, or flicker detection, both of which taking into account brightness variations only.
    The proposed invention proposes a dual color/brightness modulation to defeat automatic shutter speed adjustment. For example, a color modulation at 50/60 Hz is carried out and a brightness modulation at a higher frequency 100/120 Hz is added to force the camcorder to work at a high shutter speed.

    Abstract translation: 本发明是在内容保护,最特别是在电影院场地的领域,其中摄像机采集后立即进行非法分发创建内容所有者重要的收入损失。 已知没有使用彩色调制防摄像机系统可以通过在摄像机使用低快门速度来规避。 今天,快门速度被自动确定通过将摄像机作为拍摄视频源的函数开采。 在自动配置中,快门速度自适应要么运动,或闪烁检测,两者都考虑到仅考虑亮度变化。 所提出的发明提出了一种双重颜色/亮度调制打败自动快门速度调整。 例如,在50/60赫兹的彩色调制被执行并且以较高的频率100/120赫兹亮度调制被添加到强制摄像机以高快门速度工作。

    Method and device for processing a sequence of video images
    15.
    发明公开
    Method and device for processing a sequence of video images 审中-公开
    Verfahren und Vorrichtung zur Bearbeitung der Videodaten einer Bildfolge

    公开(公告)号:EP1814073A1

    公开(公告)日:2007-08-01

    申请号:EP06290155.8

    申请日:2006-01-26

    CPC classification number: H04N5/913 H04N5/74 H04N2005/91392

    Abstract: The invention discloses a new modulation scheme to prevent illegal copy in movie theaters. None of the existing modulation schemes make the right assumptions to modelize a camcorder device. In such classical schemes, camcorders are always considered as sampling devices without taking into account the effects of shutter speed. The shutter of the camcorder is classically compared to a low-pass filter. As a result, modulation effects can be easily removed by setting up shutter speed to low values (low cutoff frequency). The right mathematical modelization of the shutter effect shows that, in the spectral domain, the behavior of the camcorder is close to a cardinal sine function with a main lobe and sidelobes. Consequently, according to the invention, it is proposed to select a modulation frequency that not only generates visual artifacts once recorded by the camcorder under shutter-free conditions, but that can also generate artifacts despite low shutter speed settings by going through sidelobe of the shutter spectrum.

    Abstract translation: 本发明公开了一种防止电影院非法复制的新调制方案。 现有的调制方案都没有制定正确的假设来建模摄像机设备。 在这种经典方案中,摄像机总是被认为是采样设备,而不考虑快门速度的影响。 摄像机的快门与低通滤镜相比是经典的。 结果,通过将快门速度设置为低值(低截止频率),可以容易地消除调制效果。 快门效应的正确数学模型化表明,在光谱域中,摄像机的行为接近具有主瓣和旁瓣的基本正弦函数。 因此,根据本发明,提出了选择不仅在无快门条件下由摄像机记录的视觉伪像的调制频率,而且即使经过快门速度设置,也可以通过快门的旁瓣来产生伪像 光谱。

    Method and apparatus for generating from a quantised image having a first bit depth a corresponding image having a second bit depth
    16.
    发明公开
    Method and apparatus for generating from a quantised image having a first bit depth a corresponding image having a second bit depth 审中-公开
    用于从量化的图像与第一位元深度与第二位元深度的相应的图像生成方法和装置

    公开(公告)号:EP2869260A1

    公开(公告)日:2015-05-06

    申请号:EP13290262.8

    申请日:2013-10-29

    CPC classification number: G06T5/002 G06T2207/20208

    Abstract: High Dynamic Range (HDR) imaging allows a significantly greater dynamic range than normal digital imaging techniques. HDR imaging devices should also be able to process or display video data having 8 bits/sample per colour, whereby it is desirable that quantisation artefacts are removed and signal dynamics are enhanced. The inventive processing reduces quantisation artefacts and provides rich dynamic content by generating using the normal law from the 8-bit quantised image an HDR initialisation image followed by image content geometry-driven Gaussian kernel filtering.

    Abstract translation: 高动态范围(HDR)成像允许显着更大的动态范围比正常的数字成像技术。 因此HDR成像装置shoulderstand能够处理或具有8位/彩色样本显示的视频数据,由此,期望并量化伪像被去除和信号动态特性被增强。 根据本发明的处理减少量化伪像和通过利用正常法从随后的图像内容几何驱动高斯核滤波HDR图像初始化的8位量化的图像生成提供丰富DynamicContent类。

    Braille display system and method for operating a refreshable Braille display
    18.
    发明公开
    Braille display system and method for operating a refreshable Braille display 审中-公开
    Braille-Anzeigesystem und Verfahren zum Betrieb einer aktualisierbaren Braille-Anzeige

    公开(公告)号:EP2608189A1

    公开(公告)日:2013-06-26

    申请号:EP11306739.1

    申请日:2011-12-21

    CPC classification number: G09B21/005 G09B21/003

    Abstract: A Braille display system and a method for operating a refreshable Braille display 14 is provided. A string of characters is assigned to a drive signal for specifying the activation or deactivation of a tuple of dots which are raised through holes in a touch and sense surface of the Braille display 14 upon activation and which are retracted upon deactivation. The Braille display 14 is driven by a drive signal which is configured to activate and/or to deactivate the tuple of dots so as to generate a dynamic tactile display of said string of characters. The time dependent characteristic of activation and/or deactivation of the tuple of dots is defined by the string of characters.

    Abstract translation: 提供了一种盲文显示系统和操作可刷新盲文显示器14的方法。 将一串字符分配给驱动信号,用于指定在激活时通过盲文显示器14的触摸和感测表面中的孔凸起的点元组的激活或去激活,并且在停用时被缩回。 盲文显示器14由驱动信号驱动,该驱动信号被配置为激活和/或去激活点的元组,以便产生所述字符串的动态触觉显示。 点的元组的激活和/或去激活的时间依赖特性由字符串定义。

    Control of a multiprimary display device for observers having different visual characteristics
    19.
    发明公开
    Control of a multiprimary display device for observers having different visual characteristics 审中-公开
    Steuerung einermultiprimärenAnzeigevorrichtungfürBeobachter mit unterschiedlichen Seheigenschaften

    公开(公告)号:EP2472875A1

    公开(公告)日:2012-07-04

    申请号:EP10306526.4

    申请日:2010-12-28

    CPC classification number: H04N9/67

    Abstract: In the method according to the invention, the choice among Q different N-tuples for the control of the display device is performed for each pixel of an image to reproduce in order to minimize the difference of perceptions of the colour generated by the display device among the various observers.

    Abstract translation: 在根据本发明的方法中,针对图像的每个像素执行用于控制显示装置的Q个不同N元组中的选择以便再现以最小化由显示装置产生的颜色的感知差异 各种观察员。

    Method and device to capture images by emulating a mechanical shutter
    20.
    发明公开
    Method and device to capture images by emulating a mechanical shutter 审中-公开
    用于通过模拟机械闭合获取图像的方法和装置

    公开(公告)号:EP2200277A1

    公开(公告)日:2010-06-23

    申请号:EP08305992.3

    申请日:2008-12-22

    Abstract: To capture an image, the image sensing period of this image is subdivided into a plurality of successive illumination periods, and the value which is assigned to each pixel to capture the image is the sum of the integrals of intensity of illumination of this pixel over each of said successive illumination periods. According to the invention, this sum is weighted by an apodization function in order to emulate a mechanical shutter. Temporal aliasing issues and temporal ringing artifacts of digital imaging are prevented or at least limited.

    Abstract translation: 以捕捉图像,该图像的图像感测时间段是细分成连续照明期间的多个,并且被分配给每个像素来捕获图像的值的所有是该像素的照明的强度随每个积分的总和 所述连续照明期间。 。根据本发明,该总和由变迹加权以模拟的机械快门的功能。 时间混叠问题和数字成像的时间的振铃伪像被防止或至少限制。

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