搜索资源列表
DCT-TO-WAVE
- 用DCT变换模拟小波变换的结果,实现小波变换的分块分层显示。-DCT transform analog wavelet transform, wavelet transform block hierarchical display.
DCT
- 基于OpenCL的DCT变换,有完整的C文件和kernel文件-OpenCL-based DCT transform
DCT-based-image-coding-
- 基于DCT变换的图像压缩matlab实现,开发环境为matlab-DCT-based image compression matlab implementation, development environment for matlab
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.
JPEG-DCT
- JPEG中DCT 变换在 matlab中的实现 相当简便-JPEG in the DCT transform in matlab in the realization of a very simple
DCT
- 通过二维图抽象的DCT变换,取前n和系数进行重构得到的图像进行显示-Two-dimensional map by abstraction of DCT, take the first coefficient n and displays the image reconstructed by
watermark-JPEG-and-DCT
- 自己总结的关于JPEG压缩的过程以及DCT变换的步骤-The main story about those files is the process of JPEG compression and DCT transform
dct
- 读取图像,然后对图像进行dct变换,并保存-Dct transform the image and save
DCT
- 数字水印的DCT变换,可以看看,相当不错的,老师推荐的!-The DCT digital watermarking can look pretty good, the teacher recommended!
DCT
- 随着科学技术的发展,图像压缩技术越来越引起人们的关注。为此从众多的图像压缩编码标准中选取了基于DCT变换的JPEG图像压缩编码算法进行研究,并通过对比分析各种软件特性选取了MATLAB进行实验仿-With the development of science and technology, image compression technology is increasingly a cause for concern. To do this, select from a large number
DCT-transform
- 读取彩色图像,灰度化后,进行DCT变换,然后进行DCT重构-After reading a color image, gray, DCT transform, and then reconstructed DCT
DCT
- DCT变换不同实现量化表量化,去除较小的变换系数,反变换后显示图像压缩效果!-Different implementations of the DCT quantization quantization table, removing a small transform coefficients, the display image compression inverse transform!
DCT
- 利用元胞数组对图像的每个8x8块进行DCT变换后,重整图像,在左上角显示图像概貌-After the use of cellular arrays for each 8x8 block DCT transform image, reforming the image is displayed in the upper left corner of the image overview
DCT--and--FFT
- 实现DCT变换和FFT变换的图像压缩, 比较两者性能的差异-The DCT transform and FFT transform image compression
dct
- 对图片进行 离散余弦变换 DCT变换 对图片进行 离散余弦变换 DCT变换-DCT
DCT
- 基于DCT域的数字水印算法主要包括水印调制、水印嵌入和水印提取,首先在嵌入载体图像之前用Logistic混沌序列对水印进行调制,得到一个只有+1和-1随机序列的水印,同时将载体图像进行全局DCT变换,然后将水印图像嵌入人类视觉系统最重要的部分,即DCT最大的系数,DC(Direct Current)部分也包含在这最大的系数中,这部分的系数满足人类视觉特性,会使水印嵌入的性能更好。嵌入算法是将水印与这些系数进行相乘获得新的系数,再用新的系数来替换原来的系数,即获得嵌入水印后的离散余弦域的图像,然后
DCT
- dct变换的简单程序,用于例如jpeg图像压缩等的部分程序-DCT simple procedure to transform.For such as part of JPEG image compression program
gaussian-white-noise--DCT-Matlab
- 混沌加密、DCT变换、水印提取,可以直接使用,方便交流学习。-gaussian white noise DCT Matlab
DCT
- 用C#语言编写的通过DCT变换实现图像压缩 数字图像处理实验报告-Written in c# by DCT transformation to realize image compression
dct-f3
- 图像dct变换,量化,f3隐写,压缩,解压,使用matlab实现-Image DCT transform, quantization, F3 steganography, compression, decompression, using MATLAB to achieve