搜索资源列表
fdctchange
- 图像变换算法，本代码实现普通DCT，快速DCT,快速IDCT算法-Image transform algorithm, the code to achieve common DCT, fast DCT, fast IDCT algorithm
dct
- 已知两个不同图像块亮度数据如下： （1）分析DCT原理，采用DCT方法，编程并计算相应的DCT系数，分析系数分布特点。 （2）依据视觉特性分析量化表步长的分布特点，完成DCT系数量化。 （3）采用Z形扫描，实现输出数据的统计编码，形成Video stream。 （4）采用IDCT重建图像亮度数据，计算SAD大小，分析产生误差的原因及采用DCT进行数据压缩的原理。（ ） （5）分别利用左上角1、3、6个系数重
xapp615
- IDCT - xlinix design in vhdl-IDCT- xlinix design in vhdl
FDTCandIDTC
- IDCT,FDCT,以及霍夫曼编码，可以比较原始块和编码后的输出块间的误差-IDCT, FDCT, as well as the Huffman code, you can compare the original block and the code after the error between the output block
TDC_3
- This is a matrixl 8 * 8 discrete cosine transform (DCT) and inverse transform (IDCT) algorithms using VHDL realiz-This is a matrixl 8* 8 discrete cosine transform (DCT) and inverse transform (IDCT) algorithms using VHDL
ifdct_8x8
- idct the code to achieve common DCT, fast DCT, fast IDCT algorithm
idct
- 这段程序是前面dct程序嵌入的逆过程，即进行信息的提取，从而获得置乱原始信息-Dct in front of this program is the reverse process of embedding process, namely, the extraction of information, thereby scrambling the original information obtained
Final_28Nov
- 2D-DCT 压缩图像后，通过QPSK,AWGN信道编码传输后，IDCT解压缩回原始图像，适用于任何图像-Using DCT to compress the orginal image, I use zigzag program, quantization, dct compression, then change the vector to bineary bit to pass through the QPSK channel. A
project2
- 数字图像处理的实验 DCT IDCT变换 灰度变换 锐化-Digital image processing experiments DCT IDCT transform gray-scale transformation sharpening, etc.
mpeg2_idct_hw
- 2-D的DCT/IDCT在軟硬體上的verilog code-dct/idct source code for soc
FDCT
- VC++图像DCT快速变换演示源码 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，效果一般，不过代码写得不错。程序执行后，将每一种变换的结果存为TXT文档 ，方便查看-VC++ image DCT fast algorithm demo source VC++ source code image DCT fast transform presentation, a total of p
DCT
- 将图象分块(8*8)，作DCT变换，并作IDCT：DCT是一种可分离图象变换，用来图象压缩编码，IDCT用来解压缩。-The image sub-block (8* 8) for the DCT transform, and to make IDCT: DCT is a separable image transformations, is used to image compression coding, IDCT is used t
attachments_2010_01_29
- dct and idct vhdl code
YUVdct
- YUV序列打开，DCT变换，IDCT变换、量化、反量化等操作-YUV sequence of open, DCT transform, IDCT transform, quantization, inverse quantization operation
mainidct0
- DCT IDCT 量子化变换DCT IDCT 量子化变换-DCT IDCT quanta
dip4
- 对原始灰度图像进行图像压缩，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 -The original gray image compression, this map for 8 × 8 DCT transform, respectively, to retain only the DC coefficient, and to reta
IDCT
- IEEE 1180号标准中关于MPEG标准下，对IDCT算法进行精度测试的小程序-IEEE 1180 standard number on the MPEG standards, the IDCT algorithm is tested for accuracy on a small program
FreqCalculate
- 各种变换：// FFT() - 一维快速付立叶变换 // IFFT() - 一维快速付立叶逆变换 // Fourier() - 二维快速傅立叶变换 // IFourier() - 二维快速傅立叶逆变换 // DCT() - 一维快速离散余弦变换 // IDCT() - 一维快速离散余弦逆变换 // FreqDCT() - 二维快速离散余弦变换 // IFreqDCT()
DCT_IDCT
- verilog code for DCT and IDCT (JPEG)
Myproject
- It is a laboratory work from bsuir, where foto can be normilized by brightness, contrast, algorithm JPEG, dct idct