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dcts
- dct变换离散余弦变换（Discrete Cosine Transform，简称DCT变换）是一种与傅立叶变换紧密相关的数学运算。在傅立叶级数展开式中，如果被展开的函数是实偶函数，那么其傅立叶级数中只包含余弦项，再将其离散化可导出余弦变换-Discrete Cosine Transform
jpegyasuo
- 实现JPEG的压缩和编码 （1）首先通过DCT变换去除数据冗余； （2）使用量化表对DCT系数进行量化； （3）对量化后的系数进行Huffman编码。 -Achieve JPEG compression and coding of the DCT (1) First remove the data redundancy (2) Use the quantization tables for DCT coefficie
dct
- 离散余弦变换DCT 水印算法 嵌入二值水印信息-DCT watermark algorithm
WWatermarkinga
- 基于DCT变换的水印图像水印算法源代码（matlab实现）。将文件解压缩到到MATLAB安装目录下的work文件夹中，然后打开aaa.m文件，运行即可。 -DCT-based watermark image watermarking algorithm source code (Matlab implementation). Extract the file to the MATLAB installation directory
oc_mkjpeg_v63
- 离散DCT变换的Veilog HDL语言实现，RTL描述方式，并附有输入测试信号的testBeach文件-Discrete DCT transform Veilog HDL language, RTL descr iption, together with the input test signal testBeach file
DCT
- 该程序是图像处理中的离散余弦变换的源代码，语言环境VC-The program is a discrete cosine transform image processing source code, the language environment VC++
DCT
- 该函数用来实现快速离散余弦变换。该函数利用2N点的快速付立叶变换来实现离散余弦变换-This function is used to implement fast discrete cosine transform. 2N points of the function using the fast Fourier transform to achieve the discrete cosine transform
DCT
- 离散余弦变换，及其反变换，基于opencv的，所以必须安装opencv包括8*8分块-Discrete Cosine Transform and its inverse, based on the opencv opencv, so you must install the 8* 8 block
dfdcctfastdcte
- 演示快速DCT变换与与普通dct变换的区别 -The demo fast DCT transform ordinary dct transform distinction
soundDCT
- 读入语音信号并对其进行dct变换进行压缩变换的matlab程序-Reading the speech signal compression transform Matlab procedures and dct transform
jpegencoding
- 该文档详细描述了JPEG编码过程，涉及色系变换、DCT变换、量化、Huffman编码等关键步骤，适合JPEG编码入门学习。-The document is a detailed descr iption of the JPEG encoding process involves color transform, DCT transform, quantization and Huffman coding key steps, learn
piccompress
- 数字图像处理中，DCT变换，Z字形扫描，具有较好的效果，代码易懂-Digital image processing, DCT transformation, Z-shaped scanning, with good results, code understandable
DCTmark
- 基于DCT变换的信息隐藏(数字水印)嵌入算法的设计-DCT-based information hiding (digital watermark) embedded algorithm design
INT_DCT
- Verilog HDL语言实现的整数DCT变换模块。其中包括一维和两维的DCT变换模块各一个。该模块都通过硬件仿真以及FPGA实现后的测试，均满足预期的DCT变换功能。-Integer DCT transfer module with Verilog HDL format. The package includes one 1-D and one 2-D DCT transfer module, which all pass simul
11
- matlab代码，实现DCT变换 -matlab code, DCT transform matlab code, DCT transform
DCT
- 编程实现DCT高通，低通滤波，并与傅里叶变换进行对比-Programming DCT high pass, low pass filtering, compared with the Fourier transform
Blind-video-watermarking-DCT
- 基于离散余弦变换的自适应盲视频水印算法Blind video watermarking algorithm based on adaptive discrete cosine transform-Blind video watermarking algorithm based on adaptive discrete cosine transform
interpre
- 基于matlab的帧内16*16宏块预测代码实现，采用全搜索算法，后面有简化的DCT变换和量化过程-inter prediction of 16*16 macroblocks using Full Search Algorithm based on matlab, followed with simplified process of DCT transform and quantization
DCT
- 提出了一种基于DCT提取人脸特征技术和支持向量机分类模型的人脸识别方法。利用离 散余弦变换可提取人脸可识别的大部分信息,而支持向量机作为分类器,在处理小样本、高维数等 方面具有独特的优势,且泛化能力很强,无需先验知识。从ORL 人脸库上的实验结果可以看出, DCT特征提取是很有效的,且SVM的分类性能优于最近邻分类器,同时提高了整个系统的运算速 度。-A face recognition method based on
Image-compression-coding-design
- 本实验为设计性实验，其目的是理解有损压缩的概念，特别是通过K-L变换或DCT变换，掌握压缩编码的基本原理、算法，并通过编程给予实现，对原始图像数据和解压后的图像数据进行失真估计，了解压缩性能及其重建效果的影响、作用，给出适当的理论分析。-Image compression coding program design