搜索资源列表
2D_dct
- 二维dct变换的DSP实现算法 只要下载了后,解压缩既可-Extra transform two-dimensional DSP algorithm as a download, decompress both!
dct_dsp
- 在ccs开发环境下实现的基于dsp的图像二维dct变换和压缩,完整可实现的工程文件, 源文件算法清晰,良好的实现效果
test
- 二维DCT变换灰度图像,可分别输出变换、反变换、压缩、去除细节等之后的图像,要求输入图片为raw格式(可用photoshop转换)
shuiying
- 由于二维DCT变换是对数字图像矩阵而言的,所以对于RGB位图不能进行DCT变换我在这里先将它转换成灰度图像再把水印嵌入到灰度图像中来进行基于DCT变换的图像水印研究。
two_d_dct_serial
- altera公司提供的适用于包涵DSP内核的FPGA的二维DCT变换源码,语言是:verilog 性能不错,不过资源消耗有点大,可以用来学习多项式变换的DCT算法-ALTERA companies covered in the application of FPGA DSP core 2D DCT source language is : Verilog performance is good, but a bit large consumption of resources can be us
基于DCT变换的图像编码方法研究
- 本文结合DCT变换的特性,利用分形的Peano一hilbert扫描曲线,对基于DCT变换的图像编码方法进行了研究,并提出了改进方法。主要工作分为两个部分: 一是在分块DCT基础上的改进。对分块后生成的各图像块矩阵,不直接作二维DCT变换,而是先进行扫描,使之重排成一维向量,再进行一维DCT变换,这样可以减少运算量。 其次是对层次余弦变换编码部分的改进。使用层次DCT变换与零树编码相结合的方法,并在扫描编码过程中,按Peano一hilbert扫描顺序进行编码。这样不仅可以减少“块效应”,而且可以加
对girl图像做二维DCT
- 对girl图像做二维DCT,并通过对变换后的某些系数置零达到压缩目的,Girl doing two-dimensional images of the DCT, and through certain coefficients transformed to achieve compression purpose of nulling
compressed-sensing-procedure
- 基于压缩感知的图像处理,分别使用二维DCT、FFT和一维dwt变换对图像信号进行稀疏变换,然后使用正交匹配追踪算法进行重构,在进行相应的逆变换-This is a image processing procedure based on compressed sensing which respectively uses two-dimensional DCT, FFT and one-dimensional dwt transform to sparse the image signal a
imageview
- 图象处理程序,提供了图象直方图均衡,robert,sobel,prewitt,kirsch,gauss等方法的边缘检测运算,中值滤波,二维FFT变换和DCT变换,图象的反转,旋转等一些基本的图象模板变换和点变换的功能。目前只处理256*256的图象-Image processing procedures, provided the image histogram equalization, robert, sobel, prewitt, kirsch, gauss edge detection
2107210017520071022238367591296
- vc图像处理比较全面的程序,提供了图象直方图均衡,robert,sobel,prewitt,kirsch,gauss等方法的边缘检测运算,中值滤波,二维FFT变换和DCT变换,图象的反转,旋转等一些基本的图象模板变换和点变换的功能。目前只处理256*256的图象-vc images deal with more comprehensive procedures, provided the image histogram equalization, robert, sobel, prewitt,
DCT
- DCT变换的源代码,支持一维二维DCT变换及反变换-DCT transform of the source code, to support the one-dimensional two-dimensional DCT transform and inverse transform
DCT
- 视频处理中经常需要进行DCT变换,这是本人自己编写的、可以对图像样点进行一维和二维的DCT变换-Video processing often require DCT transform, which is I have written, you can kind of image points of one-dimensional and two-dimensional DCT transform
DCT_001.pdf
- 基于SIMD的二维DCT算法快速计算。本文针对二维DCT变换,提出了和媒体指令相适应的数据结构和计算方法。最大限度利用媒体指令的运算能力,在软件设计时避免了数据相关性所带来的性能下降。-SIMD two-dimensional DCT-based fast calculation algorithm. In this paper, two-dimensional DCT transform, and the media put forward a directive to adapt the d
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
RWJpegExp
- MFC 读取BMP图像信息,然后进行二维DCT变换,再量化,Z字型扫描,实现BMP到JPEG的转换-the encoding and decoding of JPEG and the specific realization of program on vc++ platform. The encoding part of this program can encode a picture whose format is BMP and save relevant data as binary
dctANDidct
- 用java实现二维dct变换及其idct逆变换,-The realization of two-dimensional transform and its inverse transform dct
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
two_d_dct_serial
- 二维DCT变换,采用查找表的方法实现算法,分别通过列变换,再通过行变换,通过加法器乘法器以及流水线技术得出更快的结果!-two-dimention DCTtransform,the algorithm was implemented by look up table,via row trasforming and colum trasforming respectively
dct
- dct变换的ccs实现,二维DCT变换,等效于分别在两个维度上进行一维DCT变换-ccs achieve dct transform, two-dimensional DCT transform, is equivalent to, respectively, in two dimensions on the one-dimensional DCT transform
2D的DCT变换
- 二维DCT变换,附源码以及testbench,以及相应的数学知识