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[Other resource] 2DDCT

Description: 实现快速离散余弦变换的C代码。用在2 维图形压缩处理的预先处理-fast discrete cosine transform C code. Using the two-dimensional graphics compression pre-treatment
Platform: | Size: 2039 | Author: 闫位岸 | Hits:

[Special Effects] fdct

Description: 用VC实现的一幅图像的快速离散余弦变换程序，同时也给出了普通离散余弦变换的程序，以方面对比，给出了变换后的图像，以及相应的离散余弦反变换。-with VC image of a fast discrete cosine transform procedures, We also discuss the discrete cosine transform ordinary procedures, respect contrast, is the transformation of images, and the corresponding discrete cosine transform.
Platform: | Size: 540952 | Author: 孙金凤 | Hits:

[Graph program] FFT_DCT

Description: 快速傅立叶变换和离散余弦变换的简单实现，有一些小问题，就不修复了，呵呵。-fast Fourier transform and discrete cosine transform a simple, and it is only a small problem, not repaired, huh.
Platform: | Size: 357376 | Author: asly | Hits:

[Other] VC-DCT

Description: DCT离散余弦快速变换，可用于图象处理及音频信号处理-fast DCT discrete cosine transform, can be used for image processing and audio signal processing
Platform: | Size: 137216 | Author: 刘铭 | Hits:

[2D Graphic] 2DDCT

Description: 实现快速离散余弦变换的C代码。用在2 维图形压缩处理的预先处理-fast discrete cosine transform C code. Using the two-dimensional graphics compression pre-treatment
Platform: | Size: 2048 | Author: 闫位岸 | Hits:

[Special Effects] fdct

Description: 用VC实现的一幅图像的快速离散余弦变换程序，同时也给出了普通离散余弦变换的程序，以方面对比，给出了变换后的图像，以及相应的离散余弦反变换。-with VC image of a fast discrete cosine transform procedures, We also discuss the discrete cosine transform ordinary procedures, respect contrast, is the transformation of images, and the corresponding discrete cosine transform.
Platform: | Size: 540672 | Author: 孙金凤 | Hits:

[Wavelet] fdct

Description: 使用vc++6.0完成快速离散余弦变换。-Use vc++ 6.0 complete the fast discrete cosine transform.
Platform: | Size: 2634752 | Author: 琨 | Hits:

[Wavelet] Image_Processing

Description: 数字图像获取, 处理及实践应用源代码——很多有用的图像处理的源代码：图像显示（原图、抖动），图像增强（灰度变换、直方图均衡、多种滤波器、伪彩色增强等），图像复原（运动模糊、逆滤波等等），图像变换（傅立叶变换、快速傅立叶变换、离散余弦变换、沃尔什变换、霍特林变换、小波变换、小波反变换），图像编码（霍夫曼编码、香浓-费诺编码、算术编码、位平面编码等），图像识别。-Digital image acquisition, processing and practical application source code- a lot of useful image processing source code: Image Display (image, jitter), image enhancement (gray-scale transformation, histogram equalization, multi-filter, pseudo-color enhancement, etc. ), image restoration (motion blur, inverse filtering, etc.), image transform (Fourier transform, fast Fourier transform, discrete cosine transform, Walsh transform, Hotelling transform, wavelet transform, wavelet transform), image coding (Huffman coding, Shannon- Fenno coding, arithmetic coding, bit plane coding, etc.), image recognition.
Platform: | Size: 5184512 | Author: 郑忠恒 | Hits:

[Algorithm] FDCT

Description: 快速离散余弦变换程序，运行于TI公司的DSP-Fast discrete cosine transform process, running on TI s DSP
Platform: | Size: 64512 | Author: 陆 | Hits:

[Special Effects] Ten

Description: 第十章 MATLAB 图像正交变换 10.1 正交变换通用算子 10.2 傅立叶变换 10.2.1 傅立叶变换的原理 10.2.2 傅立叶性质 10.2.3 二维离散傅立叶变换（ 2DDFT ） 10.2.4 快速傅立叶变换（ FFT ） 10.2.5 傅立叶变换的研究与应用 10.3 离散余弦变换 10.3.1 DCT 变换矩阵 10.3.2 dct2 函数和 dctmtx 函数 10.4 Walsh- Hadamard 变换 10.5 Radon 变换 10.6 小波变换 10.6.1 小波的定义 10.6.2 小波变换函数 10.6.3 小波变换实例 10.6.4 小波除噪与压缩函数 -Chapter X MATLAB image orthogonal transformation orthogonal transformation 10.1 GM 10.2 Operators 10.2.1 Fourier transform Fourier transform Fourier 10.2.2 the nature of the principle of two-dimensional 10.2.3 Discrete Fourier Transform (2DDFT) 10.2 .4 Fast Fourier Transform (FFT) 10.2.5 Fourier Transform 10.3 Research and Application of Discrete Cosine Transform 10.3.1 DCT transformation matrix 10.3.2 dct2 function and dctmtx function 10.4 Walsh-Hadamard Transform 10.5 Radon Transform 10.6 wavelet transform 10.6.1 the definition of wavelet function 10.6.2 Wavelet Transform Wavelet Transform 10.6.3 Examples 10.6.4 Wavelet Denoising and Compression Functions
Platform: | Size: 5120 | Author: 王万国 | Hits:

[Documents] DigitalImageProcessing3

Description: 3.1 概述 3.2 可分离图像变换 3.3 离散傅里叶变换和性质 3.4 快速傅里叶变换 3.5 离散沃尔什变换 3.6 离散余弦变换 3.7 小波变换 -3.1 overview 3.2 detachable image transform 3.3 Discrete Fourier Transform and Fast Fourier Transform 3.4 Properties 3.5 Discrete Walsh Transform 3.6 Discrete Cosine Transform 3.7 Wavelet Transform
Platform: | Size: 13244416 | Author: wnl | Hits:

[Graph program] fdctanddct

Description: 这是在visual c++ 6.0平台下实现的离散余弦变换和快速离散余弦变换的算法，并对这两种算法给予对比，分析结果。经过调试，完全正确。对于大多数初步接触图像压缩算法的同学来说，有很大的参考价值，希望对大家有所帮助，欢迎下载。-This is in visual c++ 6.0 Platform implementation of the discrete cosine transform and the fast discrete cosine transform algorithms, and these two algorithms to give contrast to the results of the analysis. After debugging, entirely correct. Initial contact for most image compression algorithms for the Student, there is a great reference value, and they hope to help everyone, welcome to download. Thanks
Platform: | Size: 2097152 | Author: 燕子 | Hits:

[Special Effects] DCT

Description: 利用快速傅立叶算法，实现快速离散余弦变换及其逆变换-Using fast Fourier algorithm for fast discrete cosine transform and its inverse transform
Platform: | Size: 1024 | Author: 韩静 | Hits:

[2D Graphic] FreqCalculate

Description: 各种变换：// FFT() - 一维快速付立叶变换 // IFFT() - 一维快速付立叶逆变换 // Fourier() - 二维快速傅立叶变换 // IFourier() - 二维快速傅立叶逆变换 // DCT() - 一维快速离散余弦变换 // IDCT() - 一维快速离散余弦逆变换 // FreqDCT() - 二维快速离散余弦变换 // IFreqDCT() - 二维快速离散余弦逆变换，图象的二维离散小波变换-Various transformations:// FFT ()- one-dimensional Fast Fourier Transform// IFFT ()- one-dimensional inverse fast Fourier transform// Fourier ()- two-dimensional fast Fourier transform// IFourier ()- D Inverse Fast Fourier Transform// DCT ()- one-dimensional fast discrete cosine transform// IDCT ()- Fast one-dimensional inverse discrete cosine transform// FreqDCT ()- two-dimensional fast discrete cosine transform// IFreqDCT ()- two-dimensional fast inverse discrete cosine transform, discrete wavelet transform two-dimensional image
Platform: | Size: 6144 | Author: lcy | Hits:

[VHDL-FPGA-Verilog] DCT-Implementation

Description: The 8x8 discrete cosine transform (DCT) is an efficient, real-valued transform often used in image compression. Special, fast algorithms for the DCT have been developed to accommodate the many arithmetic operations involved in implementing the DCT directly.
Platform: | Size: 271360 | Author: zpy | Hits:

[Special Effects] rgb2grayAndfct2

Description: 1.将图像的rbg数据转化为对应的灰度数据； 2.将图像做二维快速离散余弦变换。-1.make rbg image data into the corresponding gray-scale data 2.2-D images make fast discrete cosine transform.
Platform: | Size: 1024 | Author: daodao | Hits:

[Special Effects] Image-compression

Description: 图像压缩中的快速方向离散余弦变换算法沿给定的方向模式进行变换，避免了DPDCT中的插值运算，可以快速、稀疏地表示图像中各向异性边缘信息．-Image compression in the direction of the fast discrete cosine transform algorithm along a given direction of change model to avoid DPDCT of interpolation, you can quickly and sparsely expressed in the anisotropic image edge information.
Platform: | Size: 694272 | Author: 杨艳 | Hits:

[JSP/Java] fdct

Description: Java实现的快速离散余弦变换，FDCT-Java implementation of the fast discrete cosine transform, FDCT
Platform: | Size: 3072 | Author: BenWei | Hits:

[Special Effects] tuxiang

Description: 图像压缩中的快速方向离散余弦变换 图像压缩中的快速方向离散余弦变换-Image compression in the direction of fast discrete cosine transform
Platform: | Size: 958464 | Author: | Hits:

[Special Effects] fastdct

Description: 快速离散余弦变换方法 将灰度图像分块进行DCT变换 得到频域图像-Fast Discrete Cosine Transform method to gray-scale image block DCT transform to the frequency domain image
Platform: | Size: 81920 | Author: chenyuanyuan | Hits:
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