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图像的差值脉冲编码调制,通过预测器中现有系数进行预测,并统计预测误差,再用量化器进行量化-Differential pulse code modulation of the image, through the existing coefficient in the predictor to predict, and statistical prediction error and quantize
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JPEG压缩编码的主要步骤有:
1.通过前向离散余弦变换减少图像数据相关性;
2.利用人眼的视觉特性队DCT系数进行量化;
3.使用查分脉冲编码调制对直流系数进行编码;
4.对交流系数进行Z形扫描,使用形成长度编码队交流系数进行编码;
5.熵编码器对上述描述符进行熵编码。-JPEG compression encoding of the main steps are:
1.forward discrete cosine transform to reduce the im
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By matlab code, Complex modulation coherent pulse train signal, Chaos indicator for Lyapunov index calculation.
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