搜索资源列表
my_dct
- 图像DCT编码压缩，经DCT变换，量化，编码，然后再解码。-DCT coding image compression, the DCT transform, quantization, coding, and then decode.
dct
- 利用DCT变化对tif图像进行压缩利用DCT变换进行图像压缩的MATLAB程序-Changes in the use of DCT compression of tif images using DCT transform image compression MATLAB program
dct-quanlity-snr
- 对一幅图像进行不同量化水平的DCT变换，可以应用于不同分块大小下的DCT变换测试。-On an image to quantify the level of different DCT transform, can be applied to different sub-block size DCT transform under test.
CBmpP
- 实现了对bmp图像的量化，反量化，DCT变换，FDCT变换.可以调整参数，查看量化对图像影响，对图像处理课来说不失为一个好project.-This program implements the quantization, DCT, FDCT transform.
dct
- 针对给定的静止图像进行DCT 变换 给定不同的阈值及将数据块中不同位置的值置为0所得到的不同情况下压缩-For a given static image DCT transform a given threshold and a different data block at different positions of a value of 0 has been compressed under different circumstances
DCT
- DCT变换是图像图形处理中的很重要的一个压缩算法，此文件详尽的完成了DCT变换-DCT transform is image and graphics processing is very important to a compression algorithm, this document contains details of the completion of the DCT transform
code
- 基于FFT变换、DCT变换、HT变换、小波变换和矢量量化技术的图像压缩的Matlab实现。-Based on the FFT transform, DCT transform, HT transform, wavelet transform and vector quantization image compression technology, the Matlab implementation.
DCT
- 生成一个高斯水印后，对待嵌入水印的载体图像进行二维的DCT变换，然后嵌入水印-Generates a Gaussian watermark, the watermark embedded in the carrier to treat two-dimensional image of the DCT transform, and then embedding the watermark
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 retain the former 4,8,16 months tr
dct
- 在一个图像块中调整两个(或多个) DCT系数的相对大小。将描述一个使用数字图像作为载体的系统。在编码处理中，发送者将载体图像分成8×8的像素块，每一块只精确地编码一个秘密信息位。嵌入过程开始时，首先伪随机地选择一个图像块bi，用它对第i个消息比特进行编码。令Bi=D{bi}为DCT变换后的图像块。 在通信开始前，发送者和接收者必须对嵌入过程中使用的两个DCT系数的位置达成一致，让我们用(u1,v1)和(u2,v2)来表示这两个索引。这两个系数应该相应于余弦变换的中频，确保信息保存在信号的
DCT
- 读入一幅256*256图像，将它分成8*8pixel的若干块，对每块做DCT变换，保留Z型顺序的若干变换系数，进行IDCT重构图像，计算重构图像的信噪比-Reading a 256* 256 image, it will be divided into several blocks of 8*8 pixel, keep each optimal Z transformation of sequence number, IDCT transform coefficient calculation
media
- huffman 编码来处理图像 DCT变换-huffman coding to DCT transform processing images
dct
- 图像的DCT变换，颜色空间的变换，结合OPENCV对图像进行二维空间的肤色提取-The image DCT, color space conversion, combined with OPENCV two-dimensional space of the color image extracted
DCT
- 实现了彩色图像上的DCT变换和DCT反变换-Color image on the realization of the DCT transform and inverse transform DCT
DCT
- 图像的DCT变换 提取高频分量 和低频分量 -DCT change
DCT-Domain-Image-Resizing-Algorithm
- 图像放大打算，关于高频DCT变换的，代码里面有介绍，我自己科研实现的-DCT based transformation for high frequences. A Complexity Scalable Universal DCT Domain Image Resizing Algorithm
DCT-MATLAB
- 利用DCT变换对灰度图像进行压缩，求出压缩比；对比不同压缩比的图像。-DCT transform using grayscale image compression, the compression ratio obtained compare different compression ratio of the image.
MATLAB-dct-and-idct
- 将图片进行8*8块的dct变换，以及8*8块的反变化恢复原图像-use 8*8 block dct to chang image, and use 8*8 block idct to renew image.
DCT-and-iDCT
- 一个简单的图像DCT变换和反DCT变换 没有注释-A simple image DCT and inverse DCT transform
DCT
- 用VC++实现图像DCT变换及IDCT，界面友好便于实现-complish DCT by VC++