搜索资源列表
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
dctidct
- dct and idct code for verilog
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
Mmedctto
- 修改过的，用线形汇编改写的DCT，QQUANT，IDCT，IQUANT，代码 -The modified, linear assembler rewritten DCT, QQUANT, IDCT, IQUANT code
DCTaIDCT
- 这是在VS2010平台上编写的MFC应用程序，采用单文档模式，用四种不同的方法实现图像的DCT（离散余弦变换）以及IDCT变换，支持8*8分块儿变换-This MFC application written in VS2010 platform, a single document mode, using four different methods to achieve image DCT (discrete cosine transform) and IDCT transform and s
jpegDCT
- the function implements the DCT transform, using a matrix operator. note that matlab has a function for the DCT and iDCT transforms that might be more efficient.
ques12
- . Write MATLAB code that will do the following. (a) Apply DCT on an image and obtain the o/p (b) On the DCT image apply quantization using standard quantiser. (8×8) (c) Apply IDCT to retain back the image. Apply Hoffman compression -. Writ
jpeg
- 自己写的jpeg的压缩，自己写的DCT以及IDCT,没有采用huffman编码，因为太难了，采用的是游程编码，可以直接运行，压缩比达到要求。内付文档详细说明代码。-Write your own jpeg compression, and write their own DCT and IDCT, did not use huffman coding, because too difficult, using run-length encoding, you can directly run th
Image-Compression
- DCT变换1、 提取彩色图像，将图像大小限制为512* 3； 2、 提取彩色图像三个颜色分量的矩阵，每个矩阵单独处理； 3、 将矩阵分为8*8的块，做DCT变换； 4、 提取每个块的一部分DCT系数做IDCT变换，显示基本图像； 5、 再提取每个块的一部分DCT系数做DCT反变换，得到增强层1，与前一次得到的数据叠加，得到质量更好的图像。 -DCT transform
zhiluanbianhuan
- 数字水印置乱变换频域插入程序，含有置乱变换与逆置乱算法，DCT运算与IDCT运算-Digital watermarking Scrambling frequency domain insertion procedure contains scrambling transformation and inverse scrambling algorithm, DCT operation and IDCT operation
jpeg
- It shows what a jpeg compression is all about. the function implements the DCT transform, using a matrix operator. note that matlab has a function for the DCT and iDCT transforms that might be more efficient.
vp9_idct
- Constants and Macros used by all idct dct functions.
DCTAndIDCT
- 图像的DCT余弦变换（频谱变换），包括IDCT变换以及反变换。经过测试修改源代码中的笔误。包括理论。-Image DCT cosine transform (spectrum transform), comprising IDCT transform and inverse transform. Tested modify the source code of a clerical error. Including theoretical.
exp10_3_BF537.7z
- ADSP-BF537 Experiment 10.3_BF537 2D DCT and IDCT using BF537 EZ-KIT
hw1
- 自己写的fft，iff和dct，idct变换，打开后可直接运行- My own fft and dct, can be directly run
DCTcolor
- 彩色图像的DCT和IDCT变换,在vs2013运行成功-Color image DCT and IDCT transform
JPEG_DECODE
- 本解码器类支持普通jpeg文件格式，这也是目前大多数jpeg文件所采用的格式，此格式主要特点是数据精度为8位，采用Huffman编码的普通DCT帧（不支持扩展串行和递进模式及数学编码）。本解码器类的 IDCT算法采用三种模式，分别是浮点解码、定点整数解码和定点整数MMX优化解码，您可根据具体情况选择。-The decoder class support common JPEG file format, which is currently the most JPEG files in the f
169064
- 本代码演示了普通DCT,快速DCT,快速IDCT算法的实现-This code demonstrates common DCT, fast DCT, fast IDCT algorithm implementation,,