Video processing method
AssigneeNovatek Microelectronics Corp.
InventorsXin Huang, Fan-Di Jou
Life of this patent
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Abstract
A video processing method includes: an i-th block of a target frame partitioned into a plurality of blocks is received; at least one of a spatial attribute parameter and a temporal attribute parameter of an i-th block of the target frame is determined; and at least one of a delta quantization parameter and a modified Lagrange multiplier is determined according to at least one of the spatial attribute parameter and the temporal attribute parameter, for encoding the i-th block of the target frame.
Claims23
A video processing method, adapted to a video encoder, comprising:
- receiving an i-th block of a target frame partitioned into a plurality of blocks;
- determining at least one of a spatial attribute parameter and a temporal attribute parameter of an i-th block of the target frame, wherein the spatial attribute parameter is a logarithmic approximation of a first value associated with the variance of pixel data in the i-th block of the target frame, and the temporal attribute parameter is a logarithmic approximation of a second value associated with the variance of an absolute difference between the pixel data of the i-th block of the target frame and pixel data of a reference block, which is at the same position as the i-th block of the target frame, of a reference frame;
- and
- determining at least one of a delta quantization parameter and a modified Lagrange multiplier according to at least one of the spatial attribute parameter and the temporal attribute parameter, for encoding the i-th block of the target frame.
A video processing method, adapted to a video encoder, comprising:
- receiving an i-th block of a target frame partitioned into a plurality of blocks;
- determining a spatial attribute parameter and a temporal attribute parameter of an i-th block of the target frame, wherein the spatial attribute parameter is dependent on the variance of pixel data in the i-th block of the target frame, and the temporal attribute parameter is dependent on the variance of an absolute difference between the pixel data of the i-th block of the target frame and pixel data of a reference block, which is at the same position as the i-th block of the target frame, of a reference frame;
- and
- determining at least one of a delta quantization parameter and a modified Lagrange multiplier according to the spatial attribute parameter and the temporal attribute parameter, for encoding the i-th block of the target frame.
A video processing method, adapted to a video encoder, comprising:
- receiving an i-th block of a target frame partitioned into a plurality of blocks;
- determining a temporal attribute parameter of an i-th block of the target frame, wherein the temporal attribute parameter is dependent on the variance of an absolute difference between pixel data of the i-th block of the target frame and pixel data of a reference block, which is at the same position as the i-th block of the target frame, of a reference frame;
- and
- determining at least one of a delta quantization parameter and a modified Lagrange multiplier according to the temporal attribute parameter, for encoding the i-th block of the target frame.
Dependencies are inferred from the claim text.