Abstract: The present invention relates to a method for providing reliable motion vectors, comprising the steps of determining motion vectors between two image frames with backward and forward estimation, comparing backward estimation motion vectors and forward estimation motion vectors, and detecting unreliable motion vectors based on the comparison result. The present invention further relates to a system for providing reliable motion vectors.

Abstract: The present invention relates to a method for providing a content stream (5) comprising processing information, comprising the steps of providing (S1) content data (3) comprising image and/or audio data, acquiring (S3) auxiliary data (4) from the content data (3) representing information for processing the content data (3) and embedding (S8) the auxiliary data (4) into the content data (3) thereby providing said content stream (5). The present invention further relates to such a content stream (5) and to a device for providing such a content stream (5). Additionally, the present invention relates to a method and a device for processing a content stream (5) comprising processing information.

Abstract: An optical element (100), comprises a first surface (110) having a first reflective coating (310) having a first reflectivity greater than 0 and smaller than or equal to 100% in a first wavelength range, and a second surface (120) having a second reflective coating (320) having a reflectivity greater than 0 and smaller than or equal to 100% in a second wavelength range, wherein a portion of the second wavelength range does not lie in the first wavelength range and the first and second surface are aligned along a first and a second plane, respectively, the first and second plane intersecting at an angles a smaller than 90° and greater than 0°.

Abstract: Method for iteratively calibrating a disparity estimation process generating a disparity estimation map relating to a 3D image which consists of at least a right and a left image, the method comprising: estimating a left-to-right image disparity map of a 3D image in horizontal and vertical direction, estimating a right-to-left image disparity map of the 3D image in horizontal and vertical direction, determining a misalignment value between the left and right images on the basis of the disparity maps, feeding back the misalignment value as to be considered in the next estimating the disparity maps of a next 3D image, and repeating the method for the next 3D image to iteratively calibrate the disparity estimation process.

Abstract: A method for interpolating a previous and subsequent image of an input image sequence, including: determining fidelity information for at least one motion vector that is descriptive for motion between a previous and subsequent image, wherein the fidelity information is descriptive for the level and accuracy of the motion, determining classification information for the at least one motion vector, wherein the classification information depends on the fidelity information, the classification information being descriptive for the motion type of the motion, and selecting an interpolation method in dependence of the determined classification information.

Abstract: A method and apparatus for estimating a disparity distribution between a left image and a right image of a stereoscopic 3D picture, each image having an array of pixels, including: providing a maximum range of disparity; correlating, by an estimation device, a left image area with a right image area, with one of both image areas being shifted by a disparity shift value, wherein the result of the correlation is an indication of a pixel match between both images; repeating the correlating for a set of disparity shift values within the maximum range of disparity; and deriving the disparity distribution from the results of the correlation.

Abstract: The present invention relates to a method for interpolating a subpixel at an interpolation position, which is situated in the chronological order between two source frames. Thereby the calculation of the interpolated subpixel's value is based on the value of the pixels of the two source frames and additional weighting coefficients, which are based on the motion vectors correlating the two source frames.

Abstract: From first and second image data descriptive for first and second pictures captured in a first temporal distance to each other, a global motion estimator unit (110) estimates a global motion vector, which is descriptive for sign and amount of a global displacement of image portions that move with respect to a first axis both when the move at the same speed and when they move at different velocities. The global motion vector improves estimation of fast moving objects. The global motion vector estimation may rely on the evaluation of a plurality of one-dimensional profiles.

Abstract: The present invention relates to a method for providing a content stream (5) comprising processing information, comprising the steps of providing (S1) content data (3) comprising image and/or audio data, acquiring (S3) auxiliary data (4) from the content data (3) representing information for processing the content data (3) and embedding (S8) the auxiliary data (4) into the content data (3) thereby providing said content stream (5). The present invention further relates to such a content stream (5) and to a device for providing such a content stream (5). Additionally, the present invention relates to a method and a device for processing a content stream (5) comprising processing information.

Abstract: The present invention relates to a method for providing reliable motion vectors, comprising the steps of determining motion vectors between two image frames with backward and forward estimation, comparing backward estimation motion vectors and forward estimation motion vectors, and detecting unreliable motion vectors based on the comparison result. The present invention further relates to a system for providing reliable motion vectors.

Abstract: A method for interpolating a previous and subsequent image of an input image sequence, including: determining fidelity information for at least one motion vector that is descriptive for motion between a previous and subsequent image, wherein the fidelity information is descriptive for the level and accuracy of the motion, determining classification information for the at least one motion vector, wherein the classification information depends on the fidelity information, the classification information being descriptive for the motion type of the motion, and selecting an interpolation method in dependence of the determined classification information.

Abstract: The present invention relates to a method for interpolating a subpixel at an interpolation position, which is situated in the chronological order between two source frames. Thereby the calculation of the interpolated subpixel's value is based on the value of the pixels of the two source frames and additional weighting coefficients, which are based on the motion vectors correlating the two source frames.

Abstract: A system for storing and rendering multimedia data includes a first storage configured to store multimedia data files of a plurality of formats. The system also includes a second storage configured to store program files including information regarding a transformation of multimedia data files of a first format into multimedia data files of a second format, where the first format is one of the plurality of formats. The system also includes a rendering device configured to render multimedia data files of the second format. At least one of the multimedia data files stored in the first storage is linked to at least one of the program files, and the program file includes information regarding a transformation of multimedia data files of the format of the at least one of the multimedia data files into the second format.

Abstract: The present invention relates to a method for classifying digital image data (ID) which solves the problem that images (I) having image areas with artificial text overlay have to be detected and classified in video signals in a reliable manner. Therefore, a robust detection in the presence of additive noise is proposed which can be invariant with respect to interlaced or progressive modes of video sequences.

Abstract: A system (1) for storing and rendering multimedia data comprises: a multimedia content archive (2) for storing multimedia data files (10, 13) to be rendered, a transforming algorithm archive (3) for storing transforming algorithm description files (12, 14, 15) comprising information for transforming multimedia data file (10, 13) of a first format into multimedia data files of a second format, respectively, wherein each stored multimedia data file (10, 13) is individually linked to at least one of said transforming algorithm description files (12, 14, 15), at least one rendering device (4a, 4b) being connected to said multimedia content archive (2) and said transforming algorithm archive (3), said at least one rendering device (4a, 4b) being capable of rendering a specific multimedia data file (10, 13) in dependence of transforming algorithm description files (12, 14, 15), to which said specific multimedia data file (10, 13) is linked to, respectively.

Abstract: A Method for pre-processing digital data and in particular of pre-processing digital video and/or digital audio data is provided, wherein a step of encoding (S3) a primary data stream (D1), a step of encrypting (S4) an encoded primary data stream (ED1) and a process of generating (P3) a preview data stream (PD) are built in and/or embedded within a common process (P2) of encoding said primary data stream (D1) in particular by integrating these processes and/or steps within a single and common encoder. The present invention additionally relates to a conversion system (10, 20) having a conversion functionality (11, 21) and a logic functionality (12, 22). Key aspect of the present invention is that said conversion functionality (11, 21) and said logic functionality (12, 22) are embedded in one single and common unit.