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dct_watermarking.rar
A color image is DCT transformed watermark embedded into the intermediate frequency coefficients to the effect of a good algorithm is the classic reference value has a strong image of yourself for the
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ImageFreqCipher.rar
一种频域加密算法,图像经过DCT变换得到DCT系数,然后对DCT系数进行加密。然后对加密的DCT系数进行DCT反变换图像数据。最后对其加密后的图像数据进行线性变换来调整图像数据的取值范围在[0,255]。最后得到加密图像
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dctwm.zip
this project is simple dct-based watermarking
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dct_cs.rar
采用BP算法来实现压缩感知的信号重构示例。BP算法由线性规划来实现,稀疏基为DCT基,信号为语音信号
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2.rar
book that describe the DCT transform (Discret cosine transform)
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dct_optimise.rar
随着人机交互界面的日益复杂,嵌入式系统显示复杂图象的应用也越来越多,而未经过压缩的图象占用的存储空间很大,压缩后的图象存储空间大幅度减少,而嵌入式系统在进行图象解码时会用到占用大量计算资源的 DCT算法,本文提出了一种应用于嵌入式系统的 8 ×8离散余弦变换算法的优化及实现方法。
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02030012.zip
dct transform tum log bary behnchod ho fazool time zaya kar rahy ho
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1DCT_VHDL.rar
VHDL Behavioral Model for 1D DCT operation
Algorithm : Calculates the 1D DCT coefficients. DCT Points range from 8 to 32. There is double buffering at the input, to allow continuous usage of DCT engine.
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