公开(公告)号：EP2859528A1

公开(公告)日：2015-04-15

申请号：EP12878349.5

申请日：2012-06-08

申请人： Nokia Corporation

发明人： GEORGIEV, Mihail ,  GOTCHEV, Atanas ,  HANNUKSELA, Miska

IPC分类号： G06T7/00 ,  H04N13/02

CPC分类号： G06T7/002 ,  G06T7/85 ,  G06T2207/10012 ,  H04N13/239 ,  H04N13/246 ,  H04N2013/0092

摘要： An apparatus comprising: an image analyser configured to analyse at least two images to determine at least one matched feature; a camera definer configured to determine at least two difference parameters between the at least two images; and a rectification determiner configured to determine values for the at least two difference parameters in an error search using an error criterion based on the at least one matched feature in the at least two images and an estimated difference parameter value, wherein the value for each difference parameter is determined serially.

公开(公告)号：EP2774345A1

公开(公告)日：2014-09-10

申请号：EP12845293.5

申请日：2012-10-31

申请人： Nokia Corporation

发明人： KONDRAD, Lukasz ,  HANNUKSELA, Miska

IPC分类号： H04L29/06 ,  H04N21/00

CPC分类号： H04N21/8456 ,  H04L65/1006 ,  H04L65/1016 ,  H04L65/80 ,  H04L67/02

摘要： Various methods are described for selecting an access method for receiving a DASH media presentation. One example method may comprise providing for reception of a media presentation description. The media presentation description may identify a first set of access methods for receiving media and may provide attribute values associated with each of the access methods. The method of this example embodiment may further comprise identifying a second set of access methods supported by an apparatus. Furthermore, the method of this example embodiment may comprise determining a third set of access methods belonging to both the first set and the second set. The method of this example embodiment may further comprise selecting an access method from the third set based at least in part on the attribute values associated with the access method. Similar and related example methods, example apparatuses, and example computer program products are also provided.

公开(公告)号：EP2392138A1

公开(公告)日：2011-12-07

申请号：EP10735509.1

申请日：2010-01-27

申请人： Nokia Corporation

发明人： HANNUKSELA, Miska

IPC分类号： H04N7/24 ,  H04N7/26

CPC分类号： H04N21/234327 ,  H04N19/132 ,  H04N19/134 ,  H04N19/172 ,  H04N19/187 ,  H04N19/34 ,  H04N19/44 ,  H04N19/61 ,  H04N19/70 ,  H04N21/4383 ,  H04N21/44004 ,  H04N21/8451

摘要： A method comprises receiving a bitstream including a sequence of access units; decoding a first decodable access unit in the bitstream; determining whether a next decodable access unit in the bitstream can be decoded before an output time of the next decodable access unit; and skipping decoding of the next decodable access unit based on determining that the next decodable access unit cannot be decoded before the output time of the next decodable access unit.

公开(公告)号：EP1287699B1

公开(公告)日：2011-08-24

申请号：EP01951502.2

申请日：2001-05-14

申请人： Nokia Corporation

发明人： HANNUKSELA, Miska ,  CAGLAR, Kerem

IPC分类号： H04N7/24

CPC分类号： H04N19/577 ,  H04N19/65 ,  H04N19/895

摘要： A method of encoding a video signal representing a sequence of pictures, the method comprising receiving a current picture for encoding, forming a temporal prediction of the current picture from a default reference picture for the current picture, comparing the default reference picture with at least one further reference picture, calculating a measure of the similarity between the default reference picture and each further reference picture and, if the measure of similarity meets a pre-determined criterion, outputting an indicator identifying the further reference picture.

公开(公告)号：EP1797661B1

公开(公告)日：2011-06-01

申请号：EP04769568.9

申请日：2004-10-06

申请人： Nokia Corporation

发明人： WENGER, Stephan ,  HANNUKSELA, Miska

IPC分类号： H04L1/00

CPC分类号： H04L1/0083 ,  H03M13/15 ,  H03M13/1515 ,  H03M13/47 ,  H03M13/635 ,  H03M13/6356 ,  H04L1/0041 ,  H04L1/0059

摘要： The invention relates to a method for assembling FEC frames for a sequence of groups of coded media packets. In order to reduce a buffer delay at a decoding end (15), it is proposed that the FEC frame is aligned with the groups of media packets. To this end, a number of next subsequent groups is determined, which fit completely into a FEC frame. All coded media packets associated to this determined group or groups, if any, are selected for the FEC frame (step 202,402). Then, the selected coded media packets are encoded to obtain at least one FEC packet for the FEC frame (step 206,406). For fixed FEC frame structures, moreover the introduction of padding packets as additional media packets, if required, is proposed.

公开(公告)号：EP2314072A1

公开(公告)日：2011-04-27

申请号：EP09797599.9

申请日：2009-07-16

申请人： Nokia Corporation

发明人： HANNUKSELA, Miska ,  WANG, Ye-Kui

IPC分类号： H04N7/24 ,  G06F17/30 ,  H04N7/26

CPC分类号： G11B27/102 ,  G11B27/32 ,  H04N19/597 ,  H04N19/61 ,  H04N21/85406

摘要： A method comprises storing real-time multimedia data in a plurality of tracks and/or track subsets; and identifying one or more multi-track groups, each multi-track group being associated with a relationship among one or more of the plurality of tracks and/or track subsets.

公开(公告)号：EP2215844A2

公开(公告)日：2010-08-11

申请号：EP08840172.4

申请日：2008-10-15

申请人： Nokia Corporation

发明人： CHEN, Ying ,  HANNUKSELA, Miska ,  WANG, Ye-Kui

IPC分类号： H04N7/26 ,  H04N7/50

CPC分类号： H04N19/521 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176 ,  H04N19/46 ,  H04N19/513 ,  H04N19/597 ,  H04N19/61 ,  H04N19/70

摘要： A system, method and computer program tangibly embodied in a memory medium for implementing motion skip and single-loop decoding for multi-view video coding. In various embodiments, a more efficient motion skip is used for the current JMVM arrangement by 8x8 or 4x4 pel disparity motion vector accuracy, while maintaining the motion compensation process that is compliant with the H.264/AVC design regarding hierarchical macroblock partitioning. Adaptive referencing merging may be used in order achieve a more accurate motion skip from one inter- view reference picture. In order to indicate whether a picture is to be used for motion skip, a new syntax element or syntax modification in the NAL unit header may be used.

公开(公告)号：EP1452037B1

公开(公告)日：2010-07-14

申请号：EP02783423.3

申请日：2002-11-22

申请人： Nokia Corporation

发明人： HANNUKSELA, Miska ,  WANG, Ye-Kui

IPC分类号： H04N7/26

CPC分类号： H04N19/29 ,  H04N19/17 ,  H04N19/174 ,  H04N19/23

公开(公告)号：EP2191402A1

公开(公告)日：2010-06-02

申请号：EP08807361.4

申请日：2008-08-19

申请人： Nokia Corporation

发明人： HANNUKSELA, Miska

IPC分类号： G06F17/30

CPC分类号： G06F17/30858 ,  G06F17/30023 ,  G06F17/30038 ,  G06F17/30044 ,  G06F17/30817 ,  G06F17/3082 ,  G06F17/30997 ,  H04N21/85406

摘要： A method of organizing streamed data includes storing streamed data in a file, identifying metadata applicable to a subset of the streamed data, and forming at least one group of one or more samples of the streamed data, each sample in a group having identical metadata content for a metadata type. The file may be in accordance with ISO base media file format. The storing streamed data in a file may include storing in a reception hint track. The at least one group may be indicated in a sample group description box. The metadata type may be indicated by a grouping type and grouping instance data, the grouping type specifying semantics of the grouping instance data and the metadata content. The metadata content may comprise a metadata payload and zero or more metadata payload extensions, where the metadata payload is included in a first structure and the zero or more metadata payload extensions are included in a second structure.

公开(公告)号：EP2145270A2

公开(公告)日：2010-01-20

申请号：EP08738069.7

申请日：2008-05-02

申请人： Nokia Corporation

发明人： HANNUKSELA, Miska

IPC分类号： G06F17/30

CPC分类号： G06F17/30017 ,  Y10S707/913

摘要： A method is disclosed for storing received real-time media streams into a multimedia container file (1200). Media content is recorded into a file according to a file format that provides instructions for constructing the media packets. At least one received media packet is represented in the file using the instructions for constructing media packets. The at least one received media packet in the file is also associated with an indication that it may contain errors. This technology bears the advantage that erroneously transmitted packets are easy to detect which can be applied to prevent a crash of the replay device.