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    • 11. 发明申请
    • IMAGE CODER FOR REGIONS OF TEXTURE
    • 纹理区域的图像编码器
    • WO2007010446A2
    • 2007-01-25
    • PCT/IB2006/052358
    • 2006-07-12
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.WILINSKI, PiotrDE WAELE, Stijn
    • WILINSKI, PiotrDE WAELE, Stijn
    • 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 (ρ 3e ) from at least one of a first texture parameter (ρ 20 )of the first region and a second texture parameter (ρ 20 ) of the second region according to a predetermined estimating algorithm (K), a comparator (22) arranged to compare a representation (R 3 ') of a generated texture corresponding to the estimated third texture parameter (ρ 3e ) with a representation (R 3 ) 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 (μ m ) ; and a data encoder (23) arranged to encode at least one of the first texture parameter and the second texture parameter (ρ 10 , ρ 20 ) into a compressed data stream ST (ρ 10 , ρ 20 ,.) 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 (ρ 10 , ρ 20 , K ) when the degree of match value (μ m ) 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(α< 3e)从第一区域的第一纹理参数(α<20>)和第二区域的第二纹理参数(α<20>)中的至少一个 根据预定的估计算法(K),比较器(22)被布置为比较与所估计的第三纹理参数(ΔTA3e&lt; 3&gt; / SUB>),根据预定的匹配标准,在输入图像的第三区域中存在纹理的表示(R 3> 3),并计算匹配度(μ 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(β1,...,20S)中的至少一个编码到压缩数据流ST (θ10,...,20),并且被布置为在输入图像的第三区域中存在的纹理编码,其中编码了估计算法(K) 当匹配度(μ> m>)在预先指定的范围内时,压缩数据流ST(θ10,θ20,K) 间隔。
    • 17. 发明申请
    • COMMUNICATION SYSTEM WITH LANDSCAPE VIEWING MODE
    • 具有景观观察模式的通信系统
    • WO2007026269A1
    • 2007-03-08
    • PCT/IB2006/052504
    • 2006-07-21
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.DE WAELE, Stijn
    • DE WAELE, Stijn
    • H04N7/14H04N7/15
    • H04N7/147H04N2007/145
    • A communication system comprises a terminal (10) with a network interface (100) for communicating with a communication network (14) via a link. The terminal (100) comprises a display screen (104) coupled to the network interface (100) for displaying images received form the network interface (100) and a camera unit (106) directed at a region from which the display screen (104) can be viewed. It is detected whether a face is visible in an image from the camera unit (106). A reduction and an increase of a bandwidth that is used to transmit image data via the link for controlling image content on the display screen (104), when a face is not detected and detected in the image respectively. Thus, more bandwidth is used for displaying images when it is detected that someone looks at the screen. In a mobile telephone for example this can be used to decrease bandwidth use towards the mobile telephone when the user uses the mobile telephone to show a "landscape" rather than his or her face.
    • 通信系统包括具有网络接口(100)的终端(10),用于经由链路与通信网络(14)进行通信。 终端(100)包括耦合到网络接口(100)的显示屏(104),用于显示从网络接口(100)接收的图像;以及相机单元(106),其指向显示屏幕(104)的区域, 可以看。 检测来自相机单元(106)的图像中的脸部是否可见。 当在图像中没有检测到并检测到脸部时,用于经由用于控制显示屏幕(104)上的图像内容的链接传送图像数据的带宽的减小和增加。 因此,当检测到有人看着屏幕时,更多的带宽用于显示图像。 例如,在移动电话中,当用户使用移动电话显示“风景”而不是他或她的脸时,这可以用于减少对移动电话的带宽使用。
    • 18. 发明申请
    • IMAGE ENHANCEMENT BASED ON MOTION ESTIMATION
    • 基于运动估计的图像增强
    • WO2006046204A3
    • 2006-08-03
    • PCT/IB2005053491
    • 2005-10-25
    • KONINKL PHILIPS ELECTRONICS NVDE WAELE STIJN
    • DE WAELE STIJN
    • G06T5/50G06T7/20
    • G06T5/50
    • A set of images (IM1a, IM2a, IMFa) that have successively been captured comprises a plurality of images (IM1a, IM2a) that have been captured under substantially similar light conditions, and an image (IMFa) that has been captured under substantially different light conditions (FLSH). For example, two images may be captured with ambient light and one with flashlight. A motion indication (MV) is derived (ST6) from at least two images (IM1a, IM2a) that have been captured under substantially similar light conditions. The image (IMFa) that has been captured under substantially different light conditions is processed (ST7, ST8) on the basis of the motion indication (MV) derived from the at least two images (IM1a, IM2a) that have been captured under substantially similar light conditions.
    • 已经连续拍摄的一组图像(IM1a,IM2a,IMFa)包括在基本相似的光条件下捕获的多个图像(IM1a,IM2a),以及在基本上不同的光下捕获的图像(IMFa) 条件(FLSH)。 例如,可以用环境光捕获两个图像,一个用手电筒捕获。 从基本相似的光条件下捕获的至少两个图像(IM1a,IM2a)导出运动指示(MV)(ST6)。 基于在基本相似的情况下捕获的至少两个图像(IM1a,IM2a)导出的运动指示(MV)来处理在基本不同的光条件下捕获的图像(IMFa)(ST7,ST8) 光照条件。
    • 19. 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
    • WO2006061751A1
    • 2006-06-15
    • PCT/IB2005/054011
    • 2005-12-02
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.BRULS, Wilhelmus, H., A.DE WAELE, Stijn
    • BRULS, Wilhelmus, H., A.DE WAELE, Stijn
    • H04N7/26H04N5/262
    • 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 (Rl) corresponding to a first horizontal pixel position (hi) in a vertically positioned first horizontal line (Ll) 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 (nl) initialized with a first seed (Sl) for a firstmost horizontal pixel position in the first horizontal line (fl) , 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 (nl) 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 (Sl) and starting from the firstmost horizontal pixel position in the first horizontal line (fl) . 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。 电子图像处理的方法包括:确定对应于输入图像(PIC)的垂直定位的第一水平线(L1)中的第一水平像素位置(hi)的第一随机值(R1); 以及 - 在垂直定位的第二水平线(L2)中导出第二水平像素位置(h2)的合成值(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(nl)确定,该第一随机生成器 用于第一水平线(fl)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水平线 随机发生器(nl),用于在连续施加到左上 - 上下底部之字形扫描路径(ZZ)上的所有水平位置之后,在第二水平线(f2)中的第一水平像素位置被初始化为第一 种子(S1)并且从第一水平线(fl)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。
    • 20. 发明申请
    • IMAGE PROCESSING METHOD
    • 图像处理方法
    • WO2006046204A2
    • 2006-05-04
    • PCT/IB2005/053491
    • 2005-10-25
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.DE WAELE, Stijn
    • DE WAELE, Stijn
    • G06T5/50G06T7/20
    • G06T5/50
    • A set of images (IM 1 a, IM2a, IMFa) that have successively been captured comprises a plurality of images (IM 1 a, IM2a) that have been captured under substantially similar light conditions, and an image (IMFa) that has been captured under substantially different light conditions (FLSH). For example, two images may be captured with ambient light and one with flashlight. A motion indication (MV) is derived (ST6) from at least two images (IM Ia, IM2a) that have been captured under substantially similar light conditions. The image (IMFa) that has been captured under substantially different light conditions is processed (ST7, ST8) on the basis of the motion indication (MV) derived from the at least two images (IM1 a, IM2a) that have been captured under substantially similar light conditions.
    • 已经连续拍摄的一组图像(IM1a,IM2a,IMFa)包括在基本相似的光条件下捕获的多个图像(IM1a,IM2a)和已经被捕获的图像(IMFa) 在基本不同的光条件(FLSH)下。 例如,可以用环境光捕获两个图像,一个用手电筒捕获。 从基本相似的光条件下捕获的至少两个图像(IM 1a,IM2a)导出运动指示(MV)(ST6)。 基于在基本上被捕获的至少两个图像(IM1a,IM2a)导出的运动指示(MV)来处理在基本上不同的光条件下捕获的图像(IMFa)(ST7,ST8) 类似的光线条件。