搜索资源列表
dct
- 图像处理很重要，那只保留我们想要的信息就比较重要，程序是传统图像编码中的dct变换编码处理-Image processing is very important, the only retain the information we want is more important, the program is a traditional image coding in DCT transform coding processing
dct
- 用matlab对图像进行DCT变换，过滤掉一些能量低的部分，再进行反变换恢复图像，并进行展示。-Using matlab for image DCT, filtering out some of the low energy part, then the inverse transform to restore the image and display.
DCT-compress
- 把图像分成8x8的图像块进行DCT变换压缩，再用霍夫曼编码，其中DCT变换未调用matlab 的函数，可以满足一些作业的要求-The image is divided into 8x8 image blocks of compressed DCT transform, then Huffman coding, which is not the DCT matlab function calls, meet some of the requirements of the job
DCT
- DCT变换的C语言实现， DCT变换的C语言实现-DCT-C language,DCT-C language,DCT-C language,DCT-C language,
FFT-DCT
- 这两个程序分别是对图像进行FFT变换和DCT变换。-zhe liang ge cheng xu shi dui tu pian jin xing FFT and DCT bian huan .
Based-on-digital-watermarking-of-DCT
- 基于DCT变换的数字水印技术，初步编程，适合初学者使用，简单易行-Based on digital watermarking of DCT, preliminary program, suitable for beginners to use, simple
DCT-based-digital-watermarking
- 采用DCT变换的数字水印，简单，能够运行，适合毕业设计使用-Use of DCT watermark, simple and able to run for graduation design use
DCT-dctrestructuring-code
- DCT变换后，各子带系数重组后的显示图（和小波变换的性能对照，体现了DCT 的多分辨率性能），已经测试了，可以使用-After the DCT transform coefficients of each sub-band after the restructuring is shown in Figure (wavelet transform performance and control, reflecting the multi-resolution performance of DCT)
dct--matlab
- dct变换 提高图像数据压缩 效果较好-Dct transform to improve the image data compression is better
Graph-Code-and-DCT
- 图像编码解码以及图像的DCT变换，附原图及结果，代码有相关说明。-Graph Code and DCT
DCT
- 该代码是对图像进行DCT变换，并显示变换后的图像和频谱-The code is DCT transforms the image and displays the transformed image and spectrum
水印
- dct变换嵌入水印并实现提取，最后测试三种不同攻击对水印的影响(The DCT transform embeds watermark and realizes the extraction. Finally, the influence of three different attacks on watermark is tested)
dct·dft
- 使用matlab对图像进行dct、dft变换（通过原理实现算法）(Using MATLAB to carry out DCT and DFT transform (through principle implementation algorithm))
dct
- 对图像进行二维离散余弦函数变化时，可使用dctmtx函数进行DCT变换(When the two-dimensional discrete cosine function is changed to the image, the dctmtx function can be used for DCT transformation)
DFT&DCT
- 编程实现二维8*8图像块的DFT，DCT变换 输入一副RGB图像，将其转化为YCbCr颜色空间，然后对Y分量做分块DFT变换，保存为灰度图像，统计计算时间 编程实现8*8块DCT变换,然后分别显示，当使用64个DCT系数里面的一些系数进行重构，比较其质量；同时熟悉采用FFT来实现DCT变换的思想，并显示2维8*8DCT变换的基函数图像(Programming the DFT, DCT transform of two dimensional 8*8 image block Input
DCTtranslation
- 选取一个图像，并对它进行DCT变换和逆变换。(Select an image and carry out DCT transform and invert change.)
H264BSAnalyzer-master1
- DCT变换,H.264解析软件，比较好用，能解析出I帧，P帧，B帧(DCT transform ,h.264,P frame,B frame, i Frame)
dct
- 2维dct变换，离散余弦变换(DCT for Discrete Cosine Transform)是与傅里叶变换相关的一种变换，它类似于离散傅里叶变换(DFT for Discrete Fourier Transform),但是只使用实数。(DCT for Discrete Cosine Transform)
稀疏三维变换协同滤波图像去噪MATLAB代码
- 协同滤波去噪（主要是对于图像的去噪），其中加入了为纳滤波，dct等方式的融合滤波(Collaborative filtering)
hidedctadv
- 信息隐藏中，采用DCT变换实现文本的隐藏实现(Implementation of Text DCT Hiding)