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BoxCoding
- 本程序采用了最简单的方块编码对512×512的lena图像进行了编码.运行程序后可以看出，方块取得越大，图像编码后失真越大。
基于LBG算法的codebook8_512matlab生成
- 基于LBG算法的codebook8_512matlab生成
my_dct.rar
- 程序功能：模拟DCT编码解码过程，生成带“块效应”的图像 实验图片：lena.jpg(512*512),Program features: Analog DCT codec process, generated with
sha-512
- 基于C语言的SHA512程序 可以直接运行-Based C language SHA512 procedures
wavelet_solveFastMatrix
- 稀疏矩阵重建的两个源码，用于小波变换快速方程求解，可以很好地显示512*512矩阵中的稀疏元素。-Sparse matrix reconstruction of two source code for the wavelet transform fast equation solver, and can display 512* 512 matrix sparse elements.
LDPC.DIFFERENT-DIEDAICISHU
- LDPC码不同迭代次数对比。码长512，码率1/2，迭代次数分别为0，5，10，50，100.-The LDPC codes different number of iterations contrast. Long code 512, code rate 1/2, the number of iterations were 0,5,10,50,100.
LDPC.DIFFERENT-RATE
- LDPC码不同码率对比，1/2与1/3码率对比。码长512.迭代次数50次。-Comparison of different rate of the LDPC code, 1/2 compared with the 1/3 code rate. 512 yards long. 50 times the number of iterations.
LDPC.DIFFERENT-CODE-LONGTH
- LDPC码不同码长对比。码率选择1/2.码长分别为256，512，1024.-LDPC codes of different code length contrast. Bitrate select 1/2 yards long were 256,512,1024.
LDPC-butongyimasuanfaduibi
- LDPC码不同译码算法对比。码长512，码率1/2.-LDPC code decoding algorithm comparison. Code length of 512, a rate 1/2.
DCT
- 将一个512×512的lena.bmp图像进行DCT变换，对得到的DCT系数按8×8块进行分层（分三层），重组填充得到新的系数矩阵，结果发现原图像的能量集中在了新图像的左上角低频部分。-The lena.bmp an image of 512 × 512 is subjected to DCT transform, the DCT coefficients obtained by layering 8 × 8 block (of three), to obtain a new recombina
Optimum-Architecture-of-SHA-256-(384-512)-for-Har
- Iteration Bound Analysis and Throughput Optimum Architecture of SHA-256 (384,512) for Hardware Implementations
test-images_512
- 常用的灰度标准测试图像，分辨率为512*512，一共50幅，应有尽有-Common gray standard test images with a resolution of 512* 512, a total of 50, everything
test
- 程序功能：模拟DCT编码解码过程，生成带“块效应”的图像 实验图片：lena.jpg(512*512) 步骤：彩色图像→灰度图像→DCT→量化→反量化→IDCT→重构图像并保存- Program features: Analog DCT encoding and decoding process, generated with the " block effect" image Experimental Image: lena.jpg (512* 512)