搜索资源列表
dct
- 主要是进行DCT变换的源码,供大家参考希望能得到大家的认可。-Mainly DCT transform source for your information we hope to be recognized.
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- 信号与系统基础知识包括连续信号与模型、离散信号与模型;常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等;离散系统结构包括IIR、fir和Lattice结构;IIR滤波器设计包括模拟和数字低通、高-Basic knowledge of signals and systems, including continuous signal with the model, discrete signals and model common signal, inclu
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.
dctblock
- DCT变换的MATLAB代码。无私奉献啦。希望给有用的朋友-DCT Transform MATLAB code. Selfless dedication啦. Want to give useful Friend
DCT
- 可完成二维DCT变换及量化,实现h264中变换量化部分功能-To be completed by two-dimensional DCT transform and quantization, transform h264 realize some functions to quantify
DCT-MATLAB
- DCT变换的实现,快速变换IDCT实现,VC工程-The realization of DCT transform, fast transform IDCT realization, VC works
TEMP
- dct变换的MATLAB实现,供大家学者参考-dct transform MATLAB realization of reference for all scholars
DCT
- dct变换的源代码,非常使用的代码。二维的-dct transform the source code, the code is used. Two-dimensional
CBmpP
- 实现了对bmp图像的量化,反量化,DCT变换,FDCT变换.可以调整参数,查看量化对图像影响,对图像处理课来说不失为一个好project.-This program implements the quantization, DCT, FDCT transform.
dct
- 针对给定的静止图像进行DCT 变换 给定不同的阈值及将数据块中不同位置的值置为0所得到的不同情况下压缩-For a given static image DCT transform a given threshold and a different data block at different positions of a value of 0 has been compressed under different circumstances
H264-DCT-Quanter
- H264中的整数DCT变换编码及量化代码,并附有原文的DCT编码、量化的说明文档。本源码从X264及JM中抽取后整理得来,并用原文档中的示例数据进行了测试,与原文档结果完全一样,是学习H.264不可多得的参考资源. -H264 in the integer DCT transform coding and quantization code, together with the original DCT coding, quantitative descr iption of the doc
DCT
- DCT变换是图像图形处理中的很重要的一个压缩算法,此文件详尽的完成了DCT变换-DCT transform is image and graphics processing is very important to a compression algorithm, this document contains details of the completion of the DCT transform
code
- 基于FFT变换、DCT变换、HT变换、小波变换和矢量量化技术的图像压缩的Matlab实现。-Based on the FFT transform, DCT transform, HT transform, wavelet transform and vector quantization image compression technology, the Matlab implementation.
DCT
- 256色灰度图像压缩 256色灰度图像dct变换-标量量化-反标量 量化-反DCT-256-color grayscale image compression 256-color grayscale image dct transform- scalar quantization- Anti-scalar quantization- Anti-DCT
DCT
- 生成一个高斯水印后,对待嵌入水印的载体图像进行二维的DCT变换,然后嵌入水印-Generates a Gaussian watermark, the watermark embedded in the carrier to treat two-dimensional image of the DCT transform, and then embedding the watermark
dct
- bmp DCT 压缩 对原图像进行DCT变换,数据压缩,丢弃右下角高频数据,进行DCT反变换,得到压缩后的图像-bmp DCT compression of the original image DCT transform, data compression, discarding the lower right corner frequency data, DCT inverse transform, the images are compressed
dct
- 在一个图像块中调整两个(或多个) DCT系数的相对大小。将描述一个使用数字图像作为载体的系统。在编码处理中,发送者将载体图像分成8×8的像素块,每一块只精确地编码一个秘密信息位。嵌入过程开始时,首先伪随机地选择一个图像块bi,用它对第i个消息比特进行编码。令Bi=D{bi}为DCT变换后的图像块。 在通信开始前,发送者和接收者必须对嵌入过程中使用的两个DCT系数的位置达成一致,让我们用(u1,v1)和(u2,v2)来表示这两个索引。这两个系数应该相应于余弦变换的中频,确保信息保存在信号的
DCT
- 读入一幅256*256图像,将它分成8*8pixel的若干块,对每块做DCT变换,保留Z型顺序的若干变换系数,进行IDCT重构图像,计算重构图像的信噪比-Reading a 256* 256 image, it will be divided into several blocks of 8*8 pixel, keep each optimal Z transformation of sequence number, IDCT transform coefficient calculation
dct
- 图像的DCT变换,颜色空间的变换,结合OPENCV对图像进行二维空间的肤色提取-The image DCT, color space conversion, combined with OPENCV two-dimensional space of the color image extracted
DCT
- 实现了彩色图像上的DCT变换和DCT反变换-Color image on the realization of the DCT transform and inverse transform DCT