Examples of 'quantization matrix' in a sentence
Meaning of "quantization matrix"
quantization matrix: In the realm of signal processing and data compression, a quantization matrix is used to map input values to output values, helping to reduce the precision of data while maintaining its essential information
How to use "quantization matrix" in a sentence
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quantization matrix
The quantization matrix may vary.
In quantizing a block of such coefficients a quantization matrix is utilized.
The quantization matrix is also called a scaling list.
Image processing device and method with a scalable quantization matrix.
Quantization matrix for still and moving picture decoding.
The set of quantizers typically is referred to as a quantization table or quantization matrix.
Quantization matrix for still and moving picture coding.
It is also possible to use an uniform quantization matrix for all the components.
The quantization matrix varies in picture units or frame units.
It is also possible to copy and reuse a quantization matrix of a different size or type.
A quantization matrix is used to derive quantization steps of the respective frequency components.
The transformed coefficients of picture are quantized using the updated quantization matrix.
The constructed quantization matrix can include various quantization matrices.
The first part of the embodiment describes the truncated quantization matrix.
The quantization matrix varies according to the size of the current block to be restored.
See also
The proposal requires the initial downsampling of the quantization matrix to reduce its resolution.
A quantization matrix may be generated typically based on the minimum of transform unit sizes.
The extension start code is a start code indicative of the start of this quantization matrix extension.
One quantization matrix value corresponding to each square may be included in the bitstream.
The intra quantiser matrix is data indicating a value for the quantization matrix for the intramacroblock.
The quantization matrix is defined as a size substantially the same as an orthogonal transform unit.
In general, this disclosure describes signaling values of a quantization matrix.
An independent quantization matrix can be computed for each encoding unit such as a macroblock.
In some examples, the different matrix may be a quantization matrix.
A fixed quantization matrix may be provided for each of a number of different desired bit rates.
First, frequency band information of a quantization matrix is modeled as a parameter model.
A quantization matrix may be a 2-dimensional matrix that includes a plurality of values.
In this region, all quantization matrix values are signaled.
Figure 37 is a chart showing a mapping of bands for prediction of quantization matrix elements.
QM is the value of the quantization matrix corresponding to the coefficient to be quantized.
Ordinarily, the scan pattern when linearizing a quantization matrix is a zigzag scan.
Determining a quantization matrix used in quantization ; and.
If a value of scaling list present flag is 1, it indicates that an encoded quantization matrix is present.
Graphical diagrams illustrating a quantization matrix and a reconstructed quantization matrix are illustrated in FIGS.
If a value of scaling list present flag is 0, it indicates that a quantization matrix is not present.
Generating a quantization matrix using the truncated quantization matrix ;.
Fig . 3 shows a diagram of an example of synthesized quantization matrix according to the present invention.
The quantization matrix defined by a user may be called a non-default matrix.
In some embodiments, an encoder computes a quantization matrix for each channel in a tile.
The adaptive quantization matrix can be controlled per block unit ( processing unit ).
Also, a generator is provided for producing a particular quantization matrix after a number of frames.
Truncating the complete quantization matrix having a plurality of quantization elements into a truncated quantization matrix ;.
Fig . 9 is a block diagram of a decoder for decoding the scaled truncated quantization matrix.
A default matrix may mean a specific quantization matrix that is defined in an encoder / decoder.
Fig . 6 shows one of the ways to code and transmit the truncated quantization matrix.
For example, the downsampled quantization matrix values may be treated similarly to a downsampled image.
That is, all the positions within a square use the same quantization matrix value.
A predetermined quantization matrix and a user-defined quantization matrix may be used for quantizing the transformed block.
During encoding procedure, the quantization of transformed coefficients is normally carried out vía a quantization matrix.
Decoding a result of extracting the coded truncated quantization matrix into the truncated quantization matrix ;.
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