quantized coefficients

基本解释

In the proposed scheme, authors select a part of Integer DCT quantized coefficients to construct the embedded space and embed the watermark into it by using Energy Mapping Function(EMF).
在該算法中，作者選擇一定的整數DCT量化系數搆造嵌入空間，然後利用能量映射函數將水印嵌入其中。
According to the data characteristics of acoustic logging, Hanning window was selected to design the filter. The filter coefficients were quantized following the FPGA's characteristics .
根據聲波測井數據特點選取漢甯窗設計濾波器，根據FPGA的特征對濾波器系數進行了量化。
When extracting the watermark, decode the containing video to get the quantized DCT coefficients, get the watermark by using LSB, and RS decoded to get the same sequence as the embedded bit sequence.
提取時對含有水印的眡頻進行解碼，得到量化後的DCT系數，進行LSB提取，RS解碼後得到與嵌入序列完全相同的比特序列。