Examples of 'quantization step size' in a sentence
Meaning of "quantization step size"
Quantization step size: In the context of signal processing, quantization step size refers to the size of the intervals or levels into which the continuous range of values of a signal is divided during quantization
How to use "quantization step size" in a sentence
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quantization step size
The quantization parameter is a quantization step size.
The quantization step size is adjustable.
Any other calculation result may be used as the predicted quantization step size.
The quantization step size is determined per coding unit of a predetermined size or more.
The quantiser scale code is data indicating the quantization step size of a macroblock.
The quantization step size and motion vector information are included with the video data.
The quantization weights are scaled according to the quantization step size of the block.
The quantization step size predictor of the current coding unit is determined for inverse quantization.
The decoding related information may be the quantization step size in each frequency band.
QP is the quantization step size of the current block.
The above has described the encoding process for the quantization step size.
Below the quantization step size delta A as a function of frequency is depicted.
The shifting factor acts similarly to the quantization step size used in the base layer.
Such control enables visual-sensitivity-based adaptive quantization without changing the quantization step size.
Decoding a quantization step size in the bitstream ;.
See also
The enhancement layer uses a quantization parameter QPe which affords a finer quantization step size.
In other words, the quantization step size increases exponentially.
Here, the quantization parameter may be a value mapped to a quantization step size.
In other words, the quantization step size can be encoded by a smaller code rate.
Generally, the code amount Sx is in inverse proportion to the quantization step size Qx.
The quantization unit 130 determines a quantization step size for quantizing coefficients of the transformed residual block.
The transform and quantization module 130 quantizes the transform block using a quantization step size.
However, the derivation of the predicted quantization step size is not limited thereto.
The initial quantization step size is determined based on the loudness of the signal, L k.
For example, the encoder applies a uniform, scalar quantization step size to each coefficient.
The quantization step size buffer 20112 stores and holds quantization step sizes decoded in the past.
The step size calculator 76 adapts the quantization step size S to obtain an acceptable error.
In the next step S108, quantization and encoding are executed using the determined quantization step size.
Method ( b ) allows to compute quantization step size block by block.
The entropy decoder 20111 entropy-decodes input code to output a difference quantization step size.
The inverse quantization unit 230 determines a quantization step size predictor of a current coding unit.
In a step 104, the quantization step size A = a · T is then determined using the parameter a.
Figure 34 shows a generalized technique ( 3400 ) for retrieving an adaptive quantization step size for quantization matrix elements.
It follows that the quantization step size needed is 2 Tc / Q.
Figure 33 shows a generalized technique ( 3300 ) for adaptively setting a quantization step size for quantization matrix elements.
However, the predicted quantization step size is not limited to those in equation ( 6 ).
The quantization controller 104 determines a quantization step size for the current input image block.
FIG . 25 It depicts a block diagram showing a quantization step size encoder in a typical video encoding device.
The V compression unit 552 may determining the quantization step size as a function of this nbits parameter.
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