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3971017DCT
- 对原始灰度图像 Lena_gray.bmp进行图像压缩实验 1．对此图进行 8×8 DCT 变换后，分别只保留 DC系数，以及保留前 4、8、16 个变换系数(DC＋AC) ，然后再分别进行 IDCT 变换，比较结果。 2．可以使用 Matlab - Image Processing Toolbox 中的函数实现。-gray image of the original image compression Lena_gray.bmp an experiment. This diagram 8 8
jpeg
- jpeg compression , use DCT, Zigzag, Quantization,IDCT, InvZigzag, huffman to do the compression with matlab
idct
- program for image decompression
final-asic-proj
- DCT/IDCT introdution
1
- 基于dct的图像转换，及fdct，以及idct的实现源代码，有需要的可以拿去-Dct-based image conversion, and fdct, and idct implementation source code, we need to take it
DCTiDCT
- the dct and idct with visual basic 6
DCTiDCT
- DCT-IDCT algorithm and codes
FDCT
- VC++图像DCT快速变换演示源码，一共演示了普通DCT、快速DCT、快速IDCT算法的实现，效果还不错-VC++ image DCT fast algorithm demo source code, demonstrates a total ordinary DCT, fast DCT, fast IDCT algorithm, results were pretty good
DCT_IDCT
- 视频编码中，二维IDCT和DCT变换-two-demension in IDCT and DCT in video coding
videowatermarkDCT
- 一个基于DCT系数的视频水印嵌入程序，读取yuv文件，提取其中的若干帧，然后对每帧做DCT变换，在中低频修改系数值，然后做IDCT，再把每帧图像组成YUV格式播放。-DCT coefficients of a video-based watermark embedding program, read the yuv file, extract the number of frames, and then do each frame DCT transform coefficients in th
Transform
- 快速傅里叶变换、快速傅里反叶变换、快速余弦变换、快速余弦反变换，FFT,IFFT,DCT,IDCT-Fast Fourier transform and fast cosine transform
dctidct
- dct and idct code for verilog
Axi_mux
- The elements come from the necessity of creating generic modules, in the verification phase, for this widely used protocol. These primitives are presented as a not compiled library written in SystemC where interfaces are the core of the lib
idct2dim_ib002
- This program computes the 2D IDCT as per the equation. The result matches the output of the built-in Matlab function.Good for analysis.
fdct
- VC++实现的DCT、IDCT图像变换与反变换，分为普通和快速模式-VC++ implementation of the DCT, IDCT transform and inverse transform the image is divided into normal and fast mode
idct
- invert discret cosinus transformation VHDL code
DCT-a-IDCT
- Discrete Cosine Transformation and Inverse Discrete Cosine Transformation written using C++. Helpful if you are intrested in image processing using C++.
image3
- compression of images using programs with DCT transform et decompression using IDCT
DCT
- DCT and IDCT code in matlab.
Quantization-for-DCT
- 量化离散余弦变换系数的程序实现及其效果的检测。过程中使用了8x8的分块方法。首先计算每块的离散余弦变换（DCT)；然后量化了DCT的系数； 最后进行了反离散余弦变换(iDCT). 程序中还可以设定缩放系数。-Quantify the discrete cosine transform coefficients procedure and its effect detection. The process used in the 8x8 sub-block method. First calcul