Intelligent compression of grainy video content
AssigneeAteme
InventorElie Gabriel Mora
Life of this patent
Estimating the term…
Abstract
A method for processing a video stream prior to encoding, the video stream potentially comprising a film grain, the method comprising: measuring a film grain intensity in the video stream; obtaining at least one encoding rate information item associated with the video stream, in order to determine a pair of respective values for the grain intensity and encoding rate; comparing the pair values with predetermined respective threshold values in order to categorize the video stream with respect to pairs of predetermined values of grain intensity and rate; and selecting a film grain management strategy among at least four combinations based on the categorization of the video stream.
Claims20
A method, implemented by computer means, for processing a video stream prior to encoding, the video stream potentially comprising a film grain, the method comprising:
- measuring a film grain intensity in the video stream;
- obtaining at least one encoding rate information item associated with the video stream, in order to determine a pair of respective values of grain intensity and encoding rate;
- comparing the pair values with predetermined respective threshold values in order to categorize the video stream with respect to pairs of predetermined values of grain intensity and rate;
- and
- selecting a film grain management strategy among at least four combinations based on the categorization of the video stream.
A non-transitory computer-readable medium storing a program causing a computer to execute a method for processing a video stream prior to encoding, the video stream potentially comprising a film grain, the method comprising:
- measuring a film grain intensity in the video stream;
- obtaining at least one encoding rate information item associated with the video stream, in order to determine a pair of respective values of grain intensity and encoding rate;
- comparing the pair values with predetermined respective threshold values in order to categorize the video stream with respect to pairs of predetermined values of grain intensity and rate;
- and
- selecting a film grain management strategy among at least four combinations based on the categorization of the video stream.
An image processing apparatus for processing a video stream prior to encoding, the video stream potentially comprising a film grain, the image processing apparatus comprising:
- a processor configured to:
- measure a film grain intensity in the video stream;
- obtain at least one encoding rate information item associated with the video stream, in order to determine a pair of respective values of grain intensity and encoding rate;
- compare the pair values with predetermined respective threshold values in order to categorize the video stream with respect to pairs of predetermined values of grain intensity and rate;
- and
- select a film grain management strategy among at least four combinations based on the categorization of the video stream.
Dependencies are inferred from the claim text.