...数位音效的基本观念 声音的数位化 MIDI: Music Instrument Digital Interface 数位声音的量化与转换(Quantization and Transform)
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In this method, the original image 's feature is extracted by using wavelet transform and quantization. The feature information is changed into watermark by the chaotic sequence encryption.
该方法在一定的量化标准下利用小渡变换提取图象的特征信息，通过混沌序列对其加密生成数字水印。
The image compression includes transform of image, quantization and encoding.
图像的压缩包括变换、量化和编码。
Image compression is one of the most important key techniques in image processing. Traditional compression methods include prediction coding, transform coding and vector quantization (VQ).
图像压缩是数字图像处理中最重要的关键技术之一，传统的图像压缩方法有预测编码、变换编码和矢量量化等。
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