Patents by Inventor Gerhard TECH

Gerhard TECH 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: 9648298
    Abstract: A higher compression rate or better rate/distortion ratio is achieved by adopting or predicting second coding parameters used for encoding a second view of the multi-view signal from first coding parameters used in encoding a first view of the multi-view signal. The redundancies between views of a multi-view signal were found to be not restricted to the views themselves, such as the video information thereof. Rather, the coding parameters in parallely encoding these views show similarities which may be exploited in order to further improve the coding rate.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: May 9, 2017
    Assignee: GE VIDEO COMPRESSION, LLC
    Inventors: Thomas Wiegand, Detlev Marpe, Karsten Mueller, Philipp Merkel, Gerhard Tech, Hunn Rhee, Heiko Schwarz
  • Publication number: 20170078641
    Abstract: An apparatus for determining a measure for a distortion change of a first view synthesized from a second view, caused by a modification of a depth map of the second view from a first state to a second state, is configured—starting from a current synthesis state of the first view corresponding to a synthesis from the second view having the depth map modified to the second state in an already processed portion of the depth map and having the depth map unmodified at the first state in a yet to be processed portion of the depth map—to compute a possible successor synthesis state corresponding to a synthesis of the first view from the second view having the depth map modified to the second state in an already processed portion plus a currently processed portion and having the depth map unmodified at the first state in the yet to be processed portion without the currently processed portion; and to determine a distortion change of a distortion of the current synthesis state of the first view relative to an undistort
    Type: Application
    Filed: November 29, 2016
    Publication date: March 16, 2017
    Inventors: Gerhard TECH, Karsten MUELLER, Thomas WIEGAND
  • Patent number: 9544567
    Abstract: An apparatus for determining a measure for a distortion change of a first view synthesized from a second view, caused by a modification of a depth map of the second view from a first state to a second state, is configured—starting from a current synthesis state of the first view corresponding to a synthesis from the second view having the depth map modified to the second state in an already processed portion of the depth map and having the depth map unmodified at the first state in a yet to be processed portion of the depth map—to compute a possible successor synthesis state corresponding to a synthesis of the first view from the second view having the depth map modified to the second state in an already processed portion plus a currently processed portion and having the depth map unmodified at the first state in the yet to be processed portion without the currently processed portion; and to determine a distortion change of a distortion of the current synthesis state of the first view relative to an undistort
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: January 10, 2017
    Assignee: GE VIDEO COMPRESSION, LLC
    Inventors: Gerhard Tech, Karsten Mueller, Thomas Wiegand
  • Publication number: 20160156935
    Abstract: A number of negatively affected (correctly received) packets due to packet loss is reduced by providing, and analyzing, error resilience in the packets of the sequence of packets and identifying, for each of runs of one or more lost packets of the sequence of packets, a first packet in the sequence of packets after the respective run of one or more lost packets, which carries a beginning of any of the tiles of the video data stream, and concurrently carries a slice, the slice header of which is contained in any of the packets of the sequence of packets not being lost. In particular, the side information overhead for transmitting the error resilience data is comparatively low compared to the reduction in negatively affected packets due to packet loss.
    Type: Application
    Filed: January 14, 2016
    Publication date: June 2, 2016
    Inventors: Karsten SUEHRING, Thomas SCHIERL, Detlev MARPE, Robert SKUPIN, Yago SANCHEZ DE LA FUENTE, Gerhard TECH
  • Publication number: 20160156936
    Abstract: The signalization of the inter-layer dependencies between layers of a multi-layered data stream is described. A good compromise between a too intensive restriction of the potential diversity of inter-layer dependencies on the one hand and a too complex signaling of the inter-layer dependencies on the other hand has been found by describing the inter-layer dependencies by way of a first inter-dependency syntax structure indicating inter-dependencies between pairs of different values representable by a base layer-ID and a second inter-dependency syntax structure indicating inter-dependencies between pairs of different values representable by an extension layer-ID, the base layer ID and extension layer ID indexing the layers the portions of the multi-layer data stream are associated with.
    Type: Application
    Filed: January 14, 2016
    Publication date: June 2, 2016
    Inventors: Karsten SUEHRING, Thomas SCHIERL, Detlev MARPE, Robert SKUPIN, Yago SANCHEZ DE LA FUENTE, Gerhard TECH
  • Publication number: 20160156914
    Abstract: An interleaved multi-layered video data stream with interleaved decoding units of different layers is provided with further timing control information in addition to the timing control information reflecting the interleaved decoding unit arrangement. The additional timing control information pertains to either a fallback position according to which all decoding units of an access unit are treated at the decoded buffer access unit-wise, or a fallback position according to which an intermediate procedure is used: the interleaving of the DUs of different layers is reversed according to the additionally sent timing control information, thereby enabling a DU-wise treatment at the decoder's buffer, however, with no interleaving of decoding units relating to different layers. Both fallback positions may be present concurrently. Various advantageous embodiments and alternatives are the subject of the various claims attached herewith.
    Type: Application
    Filed: January 14, 2016
    Publication date: June 2, 2016
    Inventors: Karsten SUEHRING, Thomas SCHIERL, Detlev MARPE, Robert SKUPIN, Yago SANCHEZ DE LA FUENTE, Gerhard TECH
  • Publication number: 20160134896
    Abstract: A signaling of the layer ID is described which each of the packets of a multi-layered video signal is associated with. In particular, an efficient way of signaling this layer association is achieved, with nevertheless maintaining the backward compatibility with codecs according to which a certain value of the base layer-ID field is restricted to be non-extendable such as base layer-ID value 0 in the base layer-ID field. Instead of circumventing this restriction specifically with respect to this non-extendable base layer-ID value, the layer-ID of portions of the multi-layer data stream is signaled in an extendable manner by sub-dividing the base layer-ID field into a first sub-field and a second sub-field: whenever the first sub-field of the base layer-ID field fulfills a predetermined criterion, an extension layer-ID field is provided, and if the first sub-field of the base layer-ID field does not fulfill the predetermined criterion, the extension layer-ID field is omitted.
    Type: Application
    Filed: January 14, 2016
    Publication date: May 12, 2016
    Inventors: Karsten SUEHRING, Thomas SCHIERL, Detlev MARPE, Robert SKUPIN, Yago SANCHEZ DE LA FUENTE, Gerhard TECH
  • Publication number: 20160134895
    Abstract: A signaling of at least one characteristic for layers of a multi-layered video signal such as, for example, for each layer the indication of dependent layers to which the respective layer directly relates via inter-layer prediction, or the signaling of the afore-mentioned second inter-dependency syntax structure, is described. A maximum syntax element is signaled within the multi-layered video signal to indicate a maximally used value of an extension layer-ID field of the packets of the multi-layered video signal, the scope of the maximum syntax element being, for example, a predetermined portion of the multi-layered video signal extending, for example, across several portions of the multi-layered video signal. Accordingly, it is feasible for devices such as decoders or network elements receiving the multi-layered video signal to gain, for a relatively large predetermined portion of the multi-layered video signal, knowledge about the actually consumed portion of the possible domain of possible values.
    Type: Application
    Filed: January 14, 2016
    Publication date: May 12, 2016
    Inventors: Karsten SUEHRING, Thomas SCHIERL, Detlev MARPE, Robert SKUPIN, Yago SANCHEZ DE LA FUENTE, Gerhard TECH
  • Publication number: 20160057441
    Abstract: Various concepts which further improve multi-view/layer coding concepts, are described.
    Type: Application
    Filed: October 6, 2015
    Publication date: February 25, 2016
    Inventors: Robert SKUPIN, Karsten SUEHRING, Yago SANCHEZ DE LA FUENTE, Gerhard TECH, Valeri GEORGE, Thomas SCHIERL, Detlev MARPE
  • Publication number: 20140341290
    Abstract: In accordance with a first aspect, the intra prediction direction of a neighboring, intra-predicted block is used in order to predict the extension direction of the wedgelet separation line of a current block, thereby reducing the side information rate necessitated in order to convey the partitioning information. In accordance with a second aspect, the idea is that previously reconstructed samples, i.e. reconstructed values of blocks preceding the current block in accordance with the coding/decoding order allow for at least a prediction of a correct placement of a starting point of the wedgelet separation line, namely by placing the starting point of the wedgelet separation line at a position of a maximum change between consecutive ones of a sequence of reconstructed values of samples of a line of samples extending adjacent to the current block along a circumference thereof. Both aspects may be used individually or in combination.
    Type: Application
    Filed: May 9, 2014
    Publication date: November 20, 2014
    Applicant: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Philipp MERKLE, Christian BARTNIK, Haricharan LAKSHMAN, Detlev MARPE, Karsten MUELLER, Thomas WIEGAND, Gerhard TECH
  • Publication number: 20140313290
    Abstract: An apparatus for determining a measure for a distortion change of a first view synthesized from a second view, caused by a modification of a depth map of the second view from a first state to a second state, is configured—starting from a current synthesis state of the first view corresponding to a synthesis from the second view having the depth map modified to the second state in an already processed portion of the depth map and having the depth map unmodified at the first state in a yet to be processed portion of the depth map—to compute a possible successor synthesis state corresponding to a synthesis of the first view from the second view having the depth map modified to the second state in an already processed portion plus a currently processed portion and having the depth map unmodified at the first state in the yet to be processed portion without the currently processed portion; and to determine a distortion change of a distortion of the current synthesis state of the first view relative to an undistort
    Type: Application
    Filed: May 8, 2014
    Publication date: October 23, 2014
    Applicant: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Gerhard TECH, Karsten MUELLER, Thomas WIEGAND
  • Publication number: 20140247871
    Abstract: Although wedgelet-based partitioning seems to represent a better tradeoff between side information rate on the one hand and achievable variety in partitioning possibilities on the other hand, compared to contour partitioning, the ability to alleviate the constraints of the partitioning to the extent that the partitions have to be wedgelet partitions, enables applying relatively uncomplex statistical analysis onto overlaid spatially sampled texture information in order to derive a good predictor for the bi-segmentation in a depth/disparity map. Thus, in accordance with a first aspect it is exactly the increase of the freedom which alleviates the signaling overhead provided that co-located texture information in form of a picture is present. Another aspect pertains the possibility to save side information rate involved with signaling a respective coding mode supporting irregular partitioning.
    Type: Application
    Filed: May 9, 2014
    Publication date: September 4, 2014
    Applicant: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Philipp MERKLE, Christian BARTNIK, Haricharan LAKSHMAN, Detlev MARPE, Karsten MUELLER, Thomas WIEGAND, Gerhard TECH
  • Publication number: 20140247867
    Abstract: The way of predicting a current block by assigning constant partition values to the partitions of a bi-partitioning of a block is quite effective, especially in case of coding sample arrays such as depth/disparity maps where the content of these sample arrays is mostly composed of plateaus or simple connected regions of similar value separated from each other by steep edges. The transmission of such constant partition values would, however, still need a considerable amount of side information which should be avoided. This side information rate may be further reduced if mean values of values of neighboring samples associated or adjoining the respective partitions are used as predictors for the constant partition values.
    Type: Application
    Filed: May 9, 2014
    Publication date: September 4, 2014
    Applicant: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Philipp MERKLE, Christian BARTNIK, Haricharan LAKSHMAN, Detlev MARPE, Karsten MUELLER, Thomas WIEGAND, Gerhard TECH
  • Publication number: 20140247872
    Abstract: Wedgelet separation lines of neighboring blocks are predicted from each other by aligning the wedgelet separation lines of such neighboring blocks to each other, thereby reducing the side information coding rate that may be used.
    Type: Application
    Filed: May 9, 2014
    Publication date: September 4, 2014
    Applicant: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Philipp MERKLE, Christian BARTNIK, Haricharan LAKSHMAN, Detlev MARPE, Karsten MUELLER, Thomas WIEGAND, Gerhard TECH