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    • 4. 发明授权
    • Methods and apparatuses for encoding and decoding an image
    • 用于对图像进行编码和解码的方法和装置
    • US08315469B2
    • 2012-11-20
    • US12229065
    • 2008-08-18
    • Ossi Kalevo
    • Ossi Kalevo
    • G06K9/36G06K9/46
    • G06T9/004H04N19/105H04N19/12H04N19/182H04N19/186H04N19/46H04N19/90
    • A method as well as a system, a device, an encoding apparatus, a decoding apparatus, a module and a computer software product for image processing is disclosed. The image comprises a pixel matrix, in which the pixels comprise a first number of bits. The pixel matrix is divided to two or more blocks of pixels. The pixels are processed on a block-by-block basis to form encoded pixel values including a certain second number of bits. Bit strings are formed on the basis of the encoded pixels. When decoding the image the bit strings are examined to find out the encoding method used in encoding the pixel, and decoding is performed on a block-by-block basis to retrieve pixel values of the image.
    • 公开了一种方法以及用于图像处理的系统,装置,编码装置,解码装置,模块和计算机软件产品。 图像包括像素矩阵,其中像素包括第一数量的位。 像素矩阵被划分为两个或更多个像素块。 像素在逐块的基础上被处理以形成包括某个第二位数的编码像素值。 基于编码像素形成位串。 当对图像进行解码时,检查位串以找出用于编码像素的编码方法,并且逐个块地执行解码以检索图像的像素值。
    • 5. 发明申请
    • METHOD AND APPARATUS FOR REDUCING SIZE OF IMAGE DATA
    • 减少图像数据大小的方法和装置
    • US20110274349A1
    • 2011-11-10
    • US13145110
    • 2009-01-19
    • Ossi Kalevo
    • Ossi Kalevo
    • G06K9/36
    • H04N1/648G06T3/40H04N5/23229H04N5/23245H04N19/117H04N19/186H04N19/59H04N19/60H04N19/80
    • An input image (IMG1) may be converted to a lower-resolution output image (IMG2) by: determining a location (OP) of an output pixel (P2) with respect to said input image (IMG1), determining values of elements (E) of a filter array (FA1) such that non-zero values of the elements (E) of said filter array (FA1) approximate a paraboloid reference surface (REFS), wherein said reference surface (REFS) has a maximum at a base point (BP), and determining a value of said output pixel (P2) by performing a sum-of-products operation between non-zero values of said elements (E) and values of input pixels (P1) of said input image (IMG1) located at respective positions, wherein said filter array (FA1) is superimposed on said input image (IMG1) such that the location of said base point (BP) corresponds to the location of said output pixel (P2).
    • 可以通过以下方式将输入图像(IMG1)转换为较低分辨率输出图像(IMG2):确定输出像素(P2)相对于所述输入图像(IMG1)的位置(OP),确定元素(E ),使得所述滤波器阵列(FA1)的元件(E)的非零值接近抛物面参考表面(REFS),其中所述参考表面(REFS)在基点处具有最大值 (BP),并且通过执行所述元素(E)的非零值和所述输入图像(IMG1)的输入像素(P1)的值之间的积和运算来确定所述输出像素(P2)的值, 位于相应位置,其中所述滤波器阵列(FA1)叠加在所述输入图像(IMG1)上,使得所述基点(BP)的位置对应于所述输出像素(P2)的位置。
    • 8. 发明申请
    • Method and system for color management in digital imaging
    • 数字成像中颜色管理的方法和系统
    • US20090002545A1
    • 2009-01-01
    • US11824598
    • 2007-06-29
    • Tomi HeinonenOssi Kalevo
    • Tomi HeinonenOssi Kalevo
    • H04N5/232
    • H04N9/735H04N5/2253H04N5/2257
    • A color management system has an illuminating source identification algorithm to identify the ambience at which a picture is taken. One or more illumination sensors, along with a plurality of narrow-band filters are used to measure the spectral distribution of the illuminating light so that the illuminating source or sources can be identified. Based on the identified ambience, the color contents of the image data can be corrected. At the image visualization stage, the image data can be further corrected based on the color characteristics of the display device. Part of the color management system can be integrated into an image device, for example. Thus, an illumination sensor can be provided in a camera to spectral measurement purposes. A user interface can be used to allow a user to identify the picture-taking ambience.
    • 颜色管理系统具有照明源识别算法,以识别拍摄照片的氛围。 使用一个或多个照明传感器以及多个窄带滤波器来测量照明光的光谱分布,使得可以识别照明源或源。 基于识别的氛围,可以校正图像数据的颜色内容。 在图像可视化阶段,可以基于显示装置的颜色特性进一步校正图像数据。 例如,颜色管理系统的一部分可以集成到图像设备中。 因此,可以在照相机中提供照明传感器以进行光谱测量。 可以使用用户界面来允许用户识别拍摄氛围。
    • 9. 发明申请
    • Electronic Device and a Method in an Electronic Device for Processing Image Data
    • 电子设备和用于处理图像数据的电子设备中的方法
    • US20070206000A1
    • 2007-09-06
    • US10592984
    • 2005-03-15
    • Mikko HaukijärviOssi Kalevo
    • Mikko HaukijärviOssi Kalevo
    • G06T3/40
    • G06T3/403G06T1/00
    • The invention relates to an electronic device, which includes data-processing means and a memory, for performing processing on image data on the basis of blocks. The image data is arranged to be coded into unit blocks (B, MB) arranged in a preset manner, from which a processing area (PA) according to the settings can be formed from the data of one or more blocks (B, MB). For processing, data on the processing area (PA) is arranged in the memory, as well as, in a preset manner, data on the surroundings areas (EA1, EA2, EA4) of the processing area (PA), for processing the edge areas of the processing area (PA). Part of the processing area (PA1, PA2) is arranged to be formed from one or more unit blocks (MBP1-MBP3, BP1-BP5) that has been previously coded and of an area that has possibly already been at least partly processed. In addition, the invention also relates to a method and program product.
    • 本发明涉及一种电子设备,其包括数据处理装置和存储器,用于基于块执行对图像数据的处理。 图像数据被布置成被编码为以预设方式布置的单位块(B,MB),根据设置可以根据一个或多个块(B,MB)的数据形成根据设置的处理区域(PA) 。 对于处理,处理区域(PA)中的数据被布置在存储器中,并且以预设方式布置在处理区域(PA)的周围区域(EA 1,EA 2,EA 4)上的数据,用于 处理区域(PA)的边缘区域。 处理区域(PA 1,PA 2)的一部分被布置成由已经被预先编码的一个或多个单元块(MBP 1 -MBP 3,BP 1 -BP 5)和可能已经被 至少部分处理。 此外,本发明还涉及一种方法和程序产品。