搜索资源列表
TryDCT.rar
- 这是一组DCT和iDCT的代码，都是基于x86构架汇编的或标准C的，有使用MMX、3Dnow或者SSE、SSE2，是陈氏算法的变种，可以参考Intel APP Notes 922
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
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
TryDCT.rar
- 这是一组DCT和iDCT的代码，都是基于x86构架汇编的或标准C的，有使用MMX、3Dnow或者SSE、SSE2，是陈氏算法的变种，可以参考Intel APP Notes 9,This is a group of DCT and IDCT code, are based on the x86 architecture or standard C compilation, with the use of MMX, 3Dnow or SSE, SSE2, is a variant of Chen s
dct
- 一个快速算法的例子，有和一般算法的比较--A example about fast algorithm , it has been comparied with common algorithms
DCT
- 将图象分块(8*8)，作DCT变换，并作IDCT：DCT是一种可分离图象变换，用来图象压缩编码，IDCT用来解压缩。-The image sub-block (8* 8) for the DCT transform, and to make IDCT: DCT is a separable image transformations, is used to image compression coding, IDCT is used to decompress.
IDCT
- 反DCT变换代码，已通过调试，可以直接运行-Anti-DCT transform code, had passed through debugging, can be directly run
DCTPROGRAM.ZIP
- it is verilog code for two dimentional dct
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
3971017DCT
- 对原始灰度图像 Lena_gray.bmp进行图像压缩实验 1．对此图进行 8×8 DCT 变换后，分别只保留 DC系数，以及保留前 4、8、16 个变换系数(DC＋AC) ，然后再分别进行 IDCT 变换，比较结果。 2．可以使用 Matlab - Image Processing Toolbox 中的函数实现。-gray image of the original image compression Lena_gray.bmp an experiment. This diagram 8 8
jpeg
- jpeg compression , use DCT, Zigzag, Quantization,IDCT, InvZigzag, huffman to do the compression with matlab
Myproject
- It is a laboratory work from bsuir, where foto can be normilized by brightness, contrast, algorithm JPEG, dct idct
mirt_dctn
- steganography dct image algorithm. very useful for implementing dct and idct concepts in matlab-steganography dct image algorithm. very useful for implementing dct and idct concepts in matlab......
DCT
- DCT and IDCT code in matlab.
DCT-and-iDCT
- 一个简单的图像DCT变换和反DCT变换 没有注释-A simple image DCT and inverse DCT transform
DCT-a-Hamming-coding
- 1.DCT变换，对整个图像的直接DCT变换和分块为8*8做DCT变换，并设定阈值。 2.汉明编码（7，4），译码以及找出错误图样和纠错。并在不同的转移概率的BSC道下进行传输。-DCT:Direct DCT and IDCT,blocking. hamming coding:decoding and picking up errors.
test
- 程序功能：模拟DCT编码解码过程，生成带“块效应”的图像 实验图片：lena.jpg(512*512) 步骤：彩色图像→灰度图像→DCT→量化→反量化→IDCT→重构图像并保存- Program features: Analog DCT encoding and decoding process, generated with the " block effect" image Experimental Image: lena.jpg (512* 512)
dct
- dctt/idct image compression with matlab
idct16psk
- generate mimo-ofdm using dct and idct matlab source code
idctmimoofdm
- generate signal mimo ofdm using dct with m-psk modulation