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    • 3. 发明申请
    • ELECTRONIC IMAGE PROCESSING METHOD AND DEVICE WITH LINKED RANDOM GENERATORS
    • 电子图像处理方法和连接随机发生器的设备
    • US20090231345A1
    • 2009-09-17
    • US11720839
    • 2005-12-02
    • Wilhelmus Hendrikus Alfonsus BrulsStijn De Waele
    • Wilhelmus Hendrikus Alfonsus BrulsStijn De Waele
    • G06T11/20
    • G06T5/002G06T2207/10016G06T2207/20204H04N19/85
    • A method for deterministic film grain addition, e.g. to video signals compressed in a way that the grain is lacking. The method of electronic image processing comprises: determining a first random value (R1) corresponding to a first horizontal pixel position (h1) in a vertically positioned first horizontal line (L1) of an inputted picture (PIC); and—deriving a resultant value (R) for a second horizontal pixel position (h2) in a vertically positioned second horizontal line (L2), the resultant value depending on the first random value and a second random value (R2) corresponding to the second horizontal pixel position in the second horizontal line, random values for horizontally neighboring pixel positions being determined by successive outputs of a single random generator initialized with a seed, wherein the first random value is determined with a first random generator (n1) initialized with a first seed (S1) for a firstmost horizontal pixel position in the first horizontal line (f1), and the second random value is determined with a second random generator (n2) running in parallel with the first random generator, and initialized with a second seed (S2) for a firstmost horizontal pixel position in the second horizontal line (f2), which second seed (S2) is substantially equal to a random value obtained by applying the first random generator (n1) for the firstmost horizontal pixel position in the second horizontal line (f2) after having consecutively been applied to all horizontal positions on a left-right-top-bottom zig-zag scan path (ZZ) being initialized with the first seed (S1) and starting from the firstmost horizontal pixel position in the first horizontal line (f1). The advantage is lower memory requirements for deterministic film grain addition.
    • 确定性胶片添加的方法,例如 以视频信号压缩的方式使谷物不足。 电子图像处理方法包括:确定与输入图像(PIC)的垂直定位的第一水平线(L1)中的第一水平像素位置(h1)相对应的第一随机值(R1); 并且导出垂直定位的第二水平线(L2)中的第二水平像素位置(h2)的结果值(R),所得到的值取决于第一随机值和与第二水平像素位置相对应的第二随机值(R2) 在第二水平行中的水平像素位置,水平相邻像素位置的随机值由通过种子初始化的单个随机生成器的连续输出确定,其中第一随机值由第一随机生成器(n1)确定,第一随机生成器 用于第一水平线(f1)中的第一水平像素位置的种子(S1),并且第二随机值由与第一随机生成器并行运行的第二随机生成器(n2)确定,并且用第二种子( S2)用于第二水平线(f2)中的第一水平像素位置,第二种子(S2)基本上等于通过应用第一rando获得的随机值 在第一水平线(f2)中的第一水平像素位置的第一水平像素位置的m个发生器(n1)在连续应用于左上 - 上 - 下Zig扫描路径(ZZ)上的所有水平位置之后, 种子(S1)并且从第一水平线(f1)中的最前一个水平像素位置开始。 优点是确定性胶片颗粒添加的记忆要求较低。
    • 5. 发明申请
    • Image Coder for Regions of Texture
    • 纹理区域的图像编码器
    • US20080205518A1
    • 2008-08-28
    • US11995544
    • 2006-07-12
    • Piotr WilinskiStijn De Waele
    • Piotr WilinskiStijn De Waele
    • H04B1/66
    • H04N19/17H04N19/105H04N19/14H04N19/196H04N19/46
    • An image encoder (20) for compressing an input image comprising at least one of a first region and a second region, and a third region, the image encoder comprising an estimator (21) arranged to estimate a third texture parameter (ρ3e) from at least one of a first texture parameter (ρ20) of the first region and a second texture parameter (ρ20) of the second region according to a predetermined estimating algorithm (K), a comparator (22) arranged to compare a representation (R3′) of a generated texture corresponding to the estimated third texture parameter (ρ3e) with a representation (R3) of a texture present in the third region of the input image according to a pre-determined matching criterion and to calculate a degree of match value (μm); and a data encoder (23) arranged to encode at least one of the first texture parameter and the second texture parameter (ρ10, ρ20) into a compressed data stream ST(ρ10, ρ20, . . . ) and arranged to encode the texture present in the third region of the input image with a codification of the estimating algorithm (K) in the compressed data stream ST(ρ10, ρ20,K) when the degree of match value (μm) is within a pre-specified interval.
    • 一种用于压缩包括第一区域和第二区域中的至少一个的输入图像和第三区域的图像编码器(20),所述图像编码器包括估计器(21),所述估计器被布置为估计第三纹理参数(rho < 3e)从第一区域的第一纹理参数(rho> 20 )和第二区域的第二纹理参数(rho <20>)中的至少一个 根据预定的估计算法(K),比较器(22)被布置为比较与估计的第三纹理参数(rho 3e&lt; 3e&gt; / SUB>),其具有根据预定匹配标准在输入图像的第三区域中存在的纹理的表示(R 3> 3),并计算匹配度(mu m ); 以及数据编码器(23),其被配置为将所述第一纹理参数和所述第二纹理参数(rho,10,20)中的至少一个编码到压缩数据流ST 并且被布置成通过估计算法(K)的编码来编码输入图像的第三区域中存在的纹理, 在匹配值(mu> m N)处于预先的范围内时,在压缩数据流ST(rho,10,rho,20,K)中, 指定间隔。
    • 7. 发明授权
    • Video depth map alignment
    • 视频深度图对齐
    • US08358301B2
    • 2013-01-22
    • US12447525
    • 2007-10-26
    • Stijn De WaelePhilip Steven NewtonHong LiMauro BarbieriJohannes Weda
    • Stijn De WaelePhilip Steven NewtonHong LiMauro BarbieriJohannes Weda
    • G06T15/00
    • G06T7/50H04N13/167H04N13/194
    • A system (1) for producing a depth map of a video sequence comprises a client (C) and a server (S) connected by a network (N). A secondary video sequence (M*) available at the client (C) is derived from a primary video sequence (M) available at the server (S), the primary video sequence (M) having a primary depth map (D). The server comprises a transmission unit for transmitting the primary depth map (D) to the client. The client comprises an alignment unit for aligning the primary depth map (D) with the secondary video sequence (M*) so as to produce alignment information (AI), and a derivation unit for deriving the secondary depth map (D*) from the primary depth map (D) using the alignment information (AI).
    • 用于产生视频序列的深度图的系统(1)包括由网络(N)连接的客户端(C)和服务器(S)。 在客户端(C)可用的次要视频序列(M *)从服务器(S)可用的主要视频序列(M)导出,主要视频序列(M)具有主要深度图(D)。 服务器包括用于将主要深度图(D)发送给客户端的传输单元。 客户端包括对准单元,用于将主要深度图(D)与次要视频序列(M *)对准,以产生对准信息(AI);以及导出单元,用于从第二深度图(D *) 使用对准信息(AI)的主深度图(D)。
    • 8. 发明申请
    • System and a Method for Controlling an Environmental Physical Characteristic,
    • 系统和控制环境物理特性的方法,
    • US20130012763A1
    • 2013-01-10
    • US13636005
    • 2011-03-16
    • Stijn De Waele
    • Stijn De Waele
    • A61M21/02
    • A61B5/00A61B2560/0242A61M21/00A61M2021/0044A61M2230/04A61M2230/06A61M2230/10A61M2230/18A61M2230/30A61M2230/42A61M2230/50A61M2230/63A61M2230/65G06F19/3481G16H40/63H04L12/282H04L12/2827H05B33/0857H05B33/0863H05B37/029
    • A system (100) and a method for controlling an environmental physical characteristic in an environment of a person (105), a color and intensity tunable lamp, an electronic device and a computer program product are provided. The system (100) comprises an environment influencing means (102), a sensor (104), an input means (134) and a controller (130). The environment influencing means (102) changes the environmental physical characteristic in response to a control signal (112) indicating a desired influencing of the environmental physical characteristic. The sensor (104) obtains a sensor signal (122) representing a physiological condition of the person (105). The input means (134) obtains a user setting signal (132) representing a user setting with respect to the environmental physical characteristic. The controller (130) receives the sensor signal (122) and the user setting signal (132) and generates the control signal (112) by applying an original function (114) to the sensor signal (122). The controller (130) defines an adapted function in response to receiving the user setting signal (132), wherein the adapted function provides the control signal(112) which, if applied to the sensor signal (122) occurring when the user setting signal(132) was received, causes the environmental physical characteristic to become closer to the user setting than when the original function (114) is applied to the sensor signal occurring when the user setting signal (132) was received. The controller (130) subsequently applies the adapted function. Finally, the controller (130) gradually changes the applied adapted function towards another function.
    • 提供一种系统(100)和用于控制人(105),颜色和强度可调灯,电子设备和计算机程序产品的环境中的环境物理特性的方法。 系统(100)包括环境影响装置(102),传感器(104),输入装置(134)和控制器(130)。 环境影响装置(102)响应于指示环境物理特性的期望影响的控制信号(112)改变环境物理特性。 传感器(104)获得表示人(105)的生理状态的传感器信号(122)。 输入装置(134)获得表示相对于环境物理特性的用户设定的用户设定信号(132)。 控制器(130)接收传感器信号(122)和用户设定信号(132),并通过对传感器信号(122)应用原始功能(114)来产生控制信号(112)。 控制器(130)响应于接收到用户设置信号(132)来定义适应的功能,其中适配功能提供控制信号(112),如果应用于当用户设置信号(...)发生的传感器信号(122) (114)被应用于当接收到用户设置信号(132)时发生的传感器信号时,使得环境物理特性变得更接近用户设置。 控制器(130)随后应用适配的功能。 最后,控制器(130)逐渐地将应用的适配功能改变为另一功能。