搜索资源列表
li_0101
- /*DCT和IDCT快速变换的C语言实现 仿效FFT的FDCT方法有与DCT无关的复数运算部分,选用代数分解法可以降低运 算量,达到高速运算的目的。代数分解法实现如下:对一维DCT表达式直接展开, 寻找各点表达式中共同项,仿FFT蝶形关系,将表达式中的共同项作为下一级节 点,依次进行多次,最后得到变换结果。*/-/ * DCT and IDCT rapid transformation of C language FFT follow the diagr
wartemarking123
- 又一种实现数字水印的代码,希望喜欢,用到了DCT和小波变换-also a digital watermark code, like that used by DCT and wavelet transform
simplejpeg
- 一个简单的jpeg的编码器 它采用的离散余弦变换是ANN&SCALE DCT -a simple jpeg the encoder uses the discrete cosine transform DCT is ANNSCALE
zjbianhuan
- 正交变换,通过DCT函数的变换讲空间域变换到比率域,-orthogonal transformation, the transformation function DCT stresses of space domain transform domain ratio,
ad_DCT
- verilog 编程 有测试文档 基于查表结构实现 离散余弦变换dct 来源:opencores -Verilog Programming is based on the test documents Lookup structure for a discrete cosine transform Extra Source : opencores
dct_p
- 这是用VHDL语言(硬件描述语言)写的一个二维 8*8块的离散余弦变换(DCT)以及反变换(IDCT).全同步设计,低门数.可以用于多媒体及打印应用领域.-VHDL (hardware descr iption language) wrote a two-dimensional 8 * 8 discrete cosine transform (D CT) and the anti-transform (IDCT). fully synchronous design, low gate cou
VC_ImageProcessing
- 《Visual C++数字图像获取、处理及实践应用》杨枝灵、王开等编著。内容:第4章 图像增强(对比度增强、灰度变换法、直方图修整法、图像平滑、图像锐化、伪彩色和假彩色增强);第5章 图像复原(逆滤波复原、维纳滤波方法);第6章 图像处理中的正交变换(傅立叶变换、离散余弦变换(DCT)、沃尔什变换、基于特征向量的变换、霍特林(Hotelling)变换、SVD变换、小波变换、Mallat算法);第7章 图像压缩编码(霍夫曼(Huffman)编码、算术编码、游程编码(Run Length Codin
DCTdemo
- DCT离散余弦变换演示。源代码+测试图片 -DCT discrete cosine transform demonstration. Photo source code testing
jpegtool_matlab
- 关于利用离散余弦变换DCT的jpeg压缩的matlab源程序,简单实用,也有注释,很好读。-on the use of discrete cosine transform DCT jpeg compression Matlab source, simple and practical, the Notes have a good time.
DCTcoder
- 关于数字图象处理的DCT变换的源代码,测试通过.-of digital image processing of DCT source code, test.
waveletdct
- matlab中用于小波变换和DCT的好的程序代码,无需编译直接使用。-Matlab used wavelet transform and DCT good code, the compiler no direct use.
H263coder
- H.263编码器的主要特征:包括运动估计和补偿 离散余弦变换(DCT) 量化 熵编码 帧存储-H.263 coding for the main features : including motion estimation and compensation discrete cosine transform (DCT) quantify entropy coding frame memory, etc.
BMP_DCT_IDCT
- 本源码是用VC++6.0实现的,显示了BMP位图,并实现了快速的8*8的块的DCT和IDCT变换-the source of VC 6.0, showing a bitmap BMP, and achieve a rapid 8 * 8 block of DCT and IDCT transform
VC_Fourier
- 本程序用VC实现了Fourier变换,主要过程是先把原始图象变换成Fourier图象,经过处理后再把dct图象变换为可以显示的图象-this procedure with VC the Fourier transform, the main course is to extend the original image into Fourier Transform Image, After processing, then put Copy Image Transform to be able t
quickidct
- 直接在实数域进行IDCT和DCT快速变换。使用查找表来实现变换中的系数运算。计算速度快,效率高。-directly in the real domain for DCT and IDCT rapid transformation. Use lookup table to achieve the transformation coefficient calculation. Calculating speed, high efficiency.
CoxWmk
- 用二维离散余弦变换(DCT)进行数字水印matlab源码-two-dimensional discrete cosine transform (DCT) digital watermarking Matlab FOSS
many_solution_figure_enhancement
- 多种图像增强方法,效果都挺好的的。包括dct,灰度变换,直方图均匀化,图像锐化-variety of image enhancement methods, the results are very good. Including Extra, the gray-scale transformation, histogram equalization, image sharpening, etc.
VCHUNDAN
- 第6章 图像处理中的正交变换(傅立叶变换、离散余弦变换(DCT)、沃尔什变换、基于特征向量的变换、霍特林(Hotelling)变换、SVD变换、小波变换、Mallat算法);第7章 图像压缩编码(霍夫曼(Huffman)编码、算术编码、游程编码(Run Length Coding)-image processing orthogonal transformation (Fourier transform, discrete cosine transform (DCT), Walsh transf
35647
- 4x4的不必采用dct/idct变换,H.264代码也好用。我在这也照着公式写了一个,也能用-4x4 without using the Copy / idct transform, or use H.264 code. I also wrote a shining on a formula also can be used
ImageLib_ver0.6.tar
- 功能强大的图像处理开源软件,支持多种图像格式,包括各种图像处理常见变换,如DCT,小波变换等。-powerful image processing software revenue to support a variety of image formats, including various image processing common transform, If DCT, wavelet transform.