Method and device for video encoding
A technology of video coding and coding mode, applied in digital video signal modification, electrical components, image communication, etc., can solve the problem that reliable out-of-band transmission of parameter sets is not feasible
Active Publication Date: 2018-06-22
NOKIA TECH OY
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Problems solved by technology
However, in some systems, mainly broadcast systems, reliable out-of-band transmission of parameter sets may not be feasible, and instead the parameter sets are transported in-band in the parameter set NAL unit
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[0093] In the following, several embodiments of the invention will be described in the context of a video coding installation. Note, however, that the invention is not limited to this particular arrangement. In fact, in any environment where improved reference image processing is required, the different embodiments have broad application. For example, the present invention can be applied to video encoding systems such as streaming systems, DVD players, digital television receivers, personal video recorders, systems and computer programs on personal computers, handheld computers and communication devices, and network elements , such as transcoders and cloud computing facilities that process video data.
[0094] The H.264 / AVC standard was developed by the Joint Video Team (JVT) of the Video Coding Experts Group (VCEG) of the Telecommunication Standardization Sector of the International Telecommunication Union (ITU-T) and the International Organization for Standardization (ISO) / ...
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A method, apparatus and computer program product are provided. In some embodiments, an uncompressed picture is coded into a coded picture comprising a slice; a list of prediction reference candidates for a slice is determined in one or more temporal reference pictures; each prediction reference candidate in the list is candidates are associated with a reference index; and checking whether a prediction reference candidate associated with a first reference index in the list can be used for temporal motion vector prediction for the slice. If the prediction reference candidate associated with the first reference index cannot be used for temporal motion vector prediction for the slice, it is checked whether the list includes another prediction reference candidate associated with another reference index. If the list includes another prediction reference candidate associated with another reference index, the reference index associated with the other prediction reference candidate is provided at slice level or at a higher level. The method relates to video encoding or decoding, in particular in the context of High Efficiency Video Coding (HEVC) or Advanced Video Coding (AVC).
Description
technical field [0001] The present invention generally relates to apparatuses, methods and computer programs for video encoding and decoding. Background technique [0002] This section is intended to provide a background or context to the invention that is recited in the claims. The description herein may contain concepts that may be pursued, but are not necessarily previously conceived or pursued. Therefore, unless otherwise indicated herein, what is described in this section is not prior art to the description and claims in this application and is not admitted to be prior art by inclusion in this section. [0003] A video encoding system may include an encoder that transforms input video into a compressed representation suitable for storage / transmission, and a decoder capable of decompressing the compressed video representation back into a viewable form. An encoder may discard some information in the original video sequence in order to represent the video in a more compa...
Claims
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IPC IPC(8): H04N19/105H04N19/147H04N19/172H04N19/19
CPCH04N19/105H04N19/147H04N19/597H04N19/52H04N19/70H04N19/30H04N19/174H04N19/187H04N19/58H04N19/51
Inventor M·O·比齐K·乌尔M·M·汉努克塞拉
Owner NOKIA TECH OY