System and method for determining encoding parameters
a technology of encoding parameters and methods, applied in the field of system and method for determining encoding parameters, can solve the problems of not being able to quickly adapt to variations in transmission conditions, methods and devices according to the prior art, and reducing bandwidth, so as to improve quality, improve efficiency, and optimize the use of resources
Inactive Publication Date: 2014-08-05
THALES SA
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- Description
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Benefits of technology
The technology described in this patented allows users to compare their usage against what they are supposedly doing well without paying more money than necessary due to poor performance at certain points during peak hours. This helps them make informed decisions about how best to allocate limited resources based upon factors like cost-effectiveness rather than just being able to see things up from normal levels.
Problems solved by technology
Technologies described earlier have been developed but they lack flexibility due to their fixed rules governing how best to allocate bandwidth among different components during operation. They also require separate steps from traditional encoding techniques such as modulation and error correction codes before sending them over long distances. Additionally, these approaches only work with specific types of signals like video streaming while others use less efficient ways. Overall, existing systems cannot quickly adjust to changes in network performance based upon factors like consistence rates and loss probability caused by varying environmental circumstances.
Method used
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Effect test
case 1
[0092]all the QPs tested (on one or more curves) significantly exceed the target,
case 2
[0093]all the QPs tested (on one or more curves) come significantly below the target,
case 3
[0094]the throughput of the target is found between 2 QPs, found above a single curve,
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Abstract
A method for optimizing a video transmission, in a constrained environment using a video coder adapted for coding the video data to be transmitted, includes determining one or more compression parameters for the video coder considered to transmit the video data at a given throughput or for a given quality. The method defines and uses reference charts for the coder considered, and predicts for the part of the video sequence undergoing compression, using the reference charts, compression parameters to be used, such as the quantization interval, by selecting a chart for which the targeted range of throughput or of quality is the closest in distance to the part of the sequence to be compressed, while complying with a given margin, and updates with an iterative method the prediction step to converge on the best choice of parameterization. The iteration includes at least one compression step followed by a verification step, to compress the video data to be transmitted with the parameters.
Description
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Owner THALES SA
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