Patents by Inventor Heiko Sparenberg
Heiko Sparenberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11949915Abstract: An apparatus for decoding a sequence of pictures from a data stream is configured for decoding a picture of the sequence by: deriving a residual transform signal of the picture from the data stream; combining the residual transform signal with a buffered transform signal of a previous picture of the sequence so as to obtain a transform signal of the picture, the transform signal representing the picture in spectral components; and subjecting the transform signal to a spectral-to-spatial transformation, wherein the buffered transform signal comprises a selection out of spectral components representing the previous picture.Type: GrantFiled: January 14, 2022Date of Patent: April 2, 2024Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Thomas Richter, Wolfgang Heppner, Joachim Keinert, Siegfried Fößel, Herbert Thoma, Christian Scherl, Christian Minuth, Bilal Ahmed, Nisha Bhaskar, Heiko Sparenberg
-
Publication number: 20230353787Abstract: An apparatus for decoding a sequence of pictures from a data stream is configured for decoding a picture of the sequence by deriving a residual transform signal of the picture from the data stream; combining a residual transform signal with a buffered transform signal approximation of a previous picture of the sequence so as to obtain a transform signal representing the picture, the transform signal having a plurality of transform coefficients; and subjecting the transform signal to a spectral-to-spatial transformation. The apparatus is configured for deriving the buffered transform signal approximation from a further transform signal representing the previous picture so that the buffered transform signal approximation has approximations of further transform coefficients of the further transform signal.Type: ApplicationFiled: July 5, 2023Publication date: November 2, 2023Inventors: Thomas RICHTER, Wolfgang HEPPNER, Joachim KEINERT, Siegfried FÖßEL, Herbert THOMA, Christian SCHERL, Christian MINUTH, Bilal AHMED, Nisha BHASKAR, Heiko SPARENBERG
-
Publication number: 20230345050Abstract: An apparatus for decoding a sequence of pictures from a data stream is configured for decoding a picture of the sequence by deriving a residual transform signal of the picture from the data stream; combining a residual transform signal with a buffered transform signal approximation of a previous picture of the sequence so as to obtain a transform signal representing the picture, the transform signal having a plurality of transform coefficients; and subjecting the transform signal to a spectral-to-spatial transformation. The apparatus is configured for deriving the buffered transform signal approximation from a further transform signal representing the previous picture so that the buffered transform signal approximation has approximations of further transform coefficients of the further transform signal.Type: ApplicationFiled: July 5, 2023Publication date: October 26, 2023Inventors: Thomas RICHTER, Wolfgang HEPPNER, Joachim KEINERT, Siegfried FÖßEL, Herbert THOMA, Christian SCHERL, Christian MINUTH, Bilal AHMED, Nisha BHASKAR, Heiko SPARENBERG
-
Patent number: 11736731Abstract: An apparatus for decoding a sequence of pictures from a data stream is configured for decoding a picture of the sequence by deriving a residual transform signal of the picture from the data stream; combining a residual transform signal with a buffered transform signal approximation of a previous picture of the sequence so as to obtain a transform signal representing the picture, the transform signal comprising a plurality of transform coefficients; and subjecting the transform signal to a spectral-to-spatial transformation. The apparatus is configured for deriving the buffered transform signal approximation from a further transform signal representing the previous picture so that the buffered transform signal approximation comprises approximations of further transform coefficients of the further transform signal.Type: GrantFiled: January 14, 2022Date of Patent: August 22, 2023Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Thomas Richter, Wolfgang Heppner, Joachim Keinert, Siegfried Fößel, Herbert Thoma, Christian Scherl, Christian Minuth, Bilal Ahmed, Nisha Bhaskar, Heiko Sparenberg
-
Publication number: 20230232048Abstract: An apparatus for decoding a sequence of pictures from a data stream is configured for decoding a picture of the sequence by deriving a residual transform signal of the picture from the data stream; combining a residual transform signal with a buffered transform signal approximation of a previous picture of the sequence so as to obtain a transform signal representing the picture, the transform signal comprising a plurality of transform coefficients; and subjecting the transform signal to a spectral-to-spatial transformation. The apparatus is configured for deriving the buffered transform signal approximation from a further transform signal representing the previous picture so that the buffered transform signal approximation comprises approximations of further transform coefficients of the further transform signal.Type: ApplicationFiled: January 14, 2022Publication date: July 20, 2023Inventors: Thomas RICHTER, Wolfgang HEPPNER, Joachim KEINERT, Siegfried FÖßEL, Herbert THOMA, Christian SCHERL, Christian MINUTH, Bilal AHMED, Nisha BHASKAR, Heiko SPARENBERG
-
Publication number: 20230230283Abstract: There is disclosed an encoder, a decoder, related methods, and non-transitory storage units storing instructions which, when executed by a computer, cause the computer to perform the methods. At an encoder (300), after a spatial transformation stage (304), there is obtained a spatially transformed version (306) of input image information (302) having multiple bands and, for each band, multiple transform band coefficients. After the generation of precincts (311), each comprising transform coefficients covering a predetermined spatial area of the input image information (302), there is provided a component transformation stage (320, 325), to apply one component transformation (CTr) selected (327) out of a plurality of predetermined component transformations, to each band (102?) of each precinct (311). Hence, there is obtained a spatially transformed and color transformed version (323) of the input image information (302), which is subsequently quantized and entropy encoded.Type: ApplicationFiled: January 31, 2022Publication date: July 20, 2023Inventors: Thomas RICHTER, Wolfgang HEPPNER, Joachim KEINERT, Siegfried FÖßEL, Herbert THOMA, Christian SCHERL, Christian MINUTH, Bilal AHMED, Nisha BHASKAR, Heiko SPARENBERG
-
Publication number: 20230232047Abstract: An apparatus for decoding a sequence of pictures from a data stream is configured for decoding a picture of the sequence by: deriving a residual transform signal of the picture from the data stream; combining the residual transform signal with a buffered transform signal of a previous picture of the sequence so as to obtain a transform signal of the picture, the transform signal representing the picture in spectral components; and subjecting the transform signal to a spectral-to-spatial transformation, wherein the buffered transform signal comprises a selection out of spectral components representing the previous picture.Type: ApplicationFiled: January 14, 2022Publication date: July 20, 2023Inventors: Thomas RICHTER, Wolfgang HEPPNER, Joachim KEINERT, Siegfried FÖßEL, Herbert THOMA, Christian SCHERL, Christian MINUTH, Bilal AHMED, Nisha BHASKAR, Heiko SPARENBERG
-
Patent number: 10152485Abstract: A file system is configured to provide, based on a request from a requester, a requested file stored on a storage medium to the requester. Furthermore, the file system is configured to provide a chosen part of the requested file corresponding to a desired version of the content of the requested file to the requester, based on received side information in the request indicating the desired version, and based on meta information of the requested file.Type: GrantFiled: April 7, 2015Date of Patent: December 11, 2018Assignee: FRAUNHOFE-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Heiko Sparenberg, Siegfried Floessel, Matthias Martin, Michael Schoeberl
-
Publication number: 20150213044Abstract: A file system is configured to provide, based on a request from a requester, a requested file stored on a storage medium to the requester. Furthermore, the file system is configured to provide a chosen part of the requested file corresponding to a desired version of the content of the requested file to the requester, based on received side information in the request indicating the desired version, and based on meta information of the requested file.Type: ApplicationFiled: April 7, 2015Publication date: July 30, 2015Inventors: Heiko SPARENBERG, Siegfried FLOESSEL, Matthias MARTIN, Michael SCHOEBERL
-
Patent number: 9015211Abstract: A device for caching a scalable original file having a first structure which has a header and a plurality of information packets for different information levels has a cache memory configured to cache a proxy file and/or information packets of the proxy file and a proxy file generator configured to generate a proxy file such that the latter is transferable into or directly has a second structure, which corresponds to the first structure of the original file. The proxy file generator further is configured to read out a first information packet of a basic information level from the original file and insert it into the proxy file at a position specified by the second structure and to output the proxy file in the second structure, so that in the second structure, at least one of the information packets of a non-basic information level is replaced with an empty information packet.Type: GrantFiled: December 7, 2012Date of Patent: April 21, 2015Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Heiko Sparenberg, Siegfried Foessel
-
Publication number: 20130346456Abstract: A device for caching a scalable original file having a first structure which has a header and a plurality of information packets for different information levels has a cache memory configured to cache a proxy file and/or information packets of the proxy file and a proxy file generator configured to generate a proxy file such that the latter is transferable into or directly has a second structure, which corresponds to the first structure of the original file. The proxy file generator further is configured to read out a first information packet of a basic information level from the original file and insert it into the proxy file at a position specified by the second structure and to output the proxy file in the second structure, so that in the second structure, at least one of the information packets of a non-basic information level is replaced with an empty information packet.Type: ApplicationFiled: December 7, 2012Publication date: December 26, 2013Applicant: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Heiko Sparenberg, Siegfried Foessel