公开(公告)号：CA3143885A1

公开(公告)日：2020-12-24

申请号：CA3143885

申请日：2020-05-20

Applicant: NOKIA TECHNOLOGIES OY

Inventor： HANNUKSELA MISKA

IPC: H04N21/234 ,  H04N13/172 ,  H04N19/169 ,  H04N19/187 ,  H04N19/30 ,  H04N19/597 ,  H04N19/70 ,  H04N21/44

Abstract: There is disclosed a method, an apparatus and a computer program product for video encoding and decoding. In accordance with an embodiment the method for encoding comprises concluding that a coded video sequence starts at particular position in a bitstream, wherein the coded video sequence is a sequence of coded pictures in decoding order that is independently decodable and is followed by another coded video sequence or the end of the bitstream, and wherein the bitstream comprises access units, and an access unit comprises coded video data for a single time instance and associated other data, and an access unit comprises one or more network abstraction layer (NAL) units; and indicating in an access unit delimiter to treat the NAL unit(s) associated with the access unit delimiter as a start of a coded video sequence.

公开(公告)号：CA3140549A1

公开(公告)日：2020-12-10

申请号：CA3140549

申请日：2020-05-29

Applicant: NOKIA TECHNOLOGIES OY

Inventor： HANNUKSELA MISKA

IPC: H04N19/70 ,  H04N19/119 ,  H04N19/174 ,  H04N19/55

Abstract: A method comprising: determining a number of units that are to be assigned to partitions and are initialized as unassigned; indicating or inferring a number of explicitly sized partitions to be assigned; indicating sizes for the explicitly sized partitions and accordingly marking unassigned units as assigned to partitions in a pre-defined scan order; indicating a count of units; repetitively assigning the count of units to partitions and accordingly marking unassigned units as assigned in the pre-defined scan order until the number of unassigned units is less than the count of units; and assigning, if the number of unassigned units is greater than 0, the unassigned units to a last partition.

公开(公告)号：PH12018502011A1

公开(公告)日：2019-07-15

申请号：PH12018502011

申请日：2018-09-19

Applicant: NOKIA TECHNOLOGIES OY

Inventor： HANNUKSELA MISKA

IPC: H04N13/00 ,  G03B37/04 ,  H04N19/55 ,  H04N19/563 ,  H04N19/70

Abstract: There is provided a method comprising encoding an uncompressed constituent frame into a first encoded picture, said encoding also resulting into a reconstructed first picture and said constituent frame having an effective picture area within the first reconstructed picture, performing either of the following as a part of said encoding: inserting at least one sample value outside the effective picture area to form a boundary extension for the constituent frame in the reconstructed first picture; or saturating or wrapping oversample locations outside the effective picture area to be within the effective picture area. There is also provided a method comprising receiving an encoded picture, decoding the encoded picture to form a reconstructed constituent frame of the picture having an effective picture area;and performing either of the following: filling an area outside the effective picture area to produce a padded reference picture, wherein the filled area forms a boundary extension; or determining that when referring to sample locations outside the effective picture area in decoding, said sample locations are saturated or wrapped over to be within the effective picture area.

公开(公告)号：ZA201703143B

公开(公告)日：2018-11-28

申请号：ZA201703143

申请日：2017-05-08

Applicant: NOKIA TECHNOLOGIES OY

Inventor： MALAMAL VADAKITAL VINOD KUMAR ,  HANNUKSELA MISKA

Abstract: A method for signaling reference pictures of a picture sequence encoded in a bitstream, the method comprising classifying pictures of the picture sequence into reference pictures and non-reference pictures; providing each reference picture with a unique picture identifier; determining, at least for inter-coded pictures of the picture sequence, all unique combinations of the picture identifier and at least one reference picture identifier, where the at least one reference picture identifier for a particular picture identifies all pictures that may be used as a reference for predicting said particular picture; and assigning intra-coded reference pictures at least with their unique picture identifier and the inter-coded pictures with their corresponding unique combination of the picture identifier and the at least one reference picture identifier.

公开(公告)号：ZA201607006B

公开(公告)日：2018-08-29

申请号：ZA201607006

申请日：2016-10-12

Applicant: NOKIA TECHNOLOGIES OY

Inventor： BUGDAYCI DONE ,  LAINEMA JANI ,  UGUR KEMAL ,  HANNUKSELA MISKA

Abstract: There are disclosed various methods, apparatuses and computer program products for video encoding/decoding. In some embodiments the method comprises signalling a long-term palette information, where the long-term palette information comprises at least information on the color values for each entry in the long-term palette; generating a palette that is used for coding a coding unit by either selecting at least one color value from a long-term palette or by separately signaling at least one color value, or performing both. Alternatively the method comprises constructing a long-term palette during an encoding process or a decoding process; and updating the long-term palette dynamically after coding a coding unit, and constructing a palette used for encoding or decoding a coding unit using information from the long-term palette.

公开(公告)号：ZA201607005B

公开(公告)日：2018-08-29

申请号：ZA201607005

申请日：2016-10-12

Applicant: NOKIA TECHNOLOGIES OY

Inventor： HANNUKSELA MISKA

Abstract: Various methods, apparatuses and computer program products for video encoding and decoding. In some embodiments a data structure is encoded that is associated with a base-layer picture and an enhancement-layer picture in a file or a stream comprising a base layer of a first video bitstream and/or an enhancement layer of a second video bitstream, wherein the enhancement layer may be predicted from the base layer; and into the data structure information that is indicative of whether the base-layer picture is regarded as an intra random access point picture for enhancement layer decoding is also encoded. If the base-layer picture is regarded as an intra random access point picture for enhancement layer decoding; the data structure information is further indicative of the type of the intra random access point IRAP picture for the decoded base-layer picture to be used in the enhancement layer decoding.

公开(公告)号：FI20165256A

公开(公告)日：2017-09-25

申请号：FI20165256

申请日：2016-03-24

Applicant: NOKIA TECHNOLOGIES OY

Inventor： HANNUKSELA MISKA

IPC: H04N19/55 ,  G03B37/04 ,  H04N13/00 ,  H04N19/563 ,  H04N19/70

公开(公告)号：BR112016000470A2

公开(公告)日：2017-07-25

申请号：BR112016000470

申请日：2014-06-25

Applicant: NOKIA TECHNOLOGIES OY

Inventor： UGUR KEMAL ,  HANNUKSELA MISKA

公开(公告)号：ZA201502578B

公开(公告)日：2017-01-25

申请号：ZA201502578

申请日：2015-04-17

Applicant: NOKIA TECHNOLOGIES OY

Inventor： RUSANOVSKYY DMYTRO ,  HANNUKSELA MISKA

公开(公告)号：BRPI0206630B1

公开(公告)日：2016-11-29

申请号：BR0206630

申请日：2002-02-08

Applicant: NOKIA CORP ,  NOKIA TECHNOLOGIES OY

Inventor： AKSU EMRE BARIS ,  HANNUKSELA MISKA

IPC: G06F5/06 ,  H04J3/26 ,  H04L12/861 ,  H04L13/08 ,  H04L29/06 ,  H04N7/24 ,  H04N21/44 ,  H04N21/658

Abstract: "método e sistema para transmitir uma sequência contínua de dados de mídia ao transmitir uma pluralidade de pacotes de dados sobre a rede, e, dispositivo cliente". a invenção descreve um método para melhorar a reprodução da mídia continuada no dispositivo cliente, ao solucionar os problemas causados pelas variações no retardo de transmissão dos pacotes devido á rede e a operação do protocolo de transporte e ás variações nos retardos específicos da codificação/servidor. em uma incorporação da invenção, o dispositivo cliente possui o decodificador (120) e a memória do pré-decodificador (110), a qual recebe os pacotes continuados do servidor da fonte através da rede de pacote. a memória do pré-decodificador é variável no tamanho e possui um tempo de armazenagem inicial variável, para receber os pacotes transmitidos do servidor da fonte antes de decodificar no decodificador. o tempo de armazenagem inicial e o tamanho da memória do pré-decodificador podem ser adaptados dinamicamente ao desempenho de reprodução otimizado pelo servidor da fonte. em outro aspecto da invenção, a memória do pós-decodificador opera em conjunção com a memória do pré-decodificador para reduzir as variações de retardo relacionadas á decodificação.