搜索资源列表
图像dct变换的程序
- 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 diagr
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
20031361
- 二维和一维DCT变换以及IDCT变换的程序,有问题自己改正.-two-dimensional and one-dimensional DCT and IDCT transform the procedures to correct their problems.
idct
- IDCT变换源程序,基于Chen s DCT
jpeg_bmp
- 从JPEG转bmp格式,huffman采用存储译码,IDCT变换采用行列分别译码,采用loeffler译码,算法和数据结构都很优秀
idct
- 两个对已知图像库的图像,实现有效的反余弦变换,实现图像的压缩编码
DCTandIDCT
- DCT变换及IDCT变换,为较为常用的变换,在许多信号处理中经常使用。
DCT&IDCT变换
- 实行针对图像的DCT以及IDCT变换的源程序。-instituting image DCT and IDCT transformation of the source.
JPEG图片编解码程序
- JPEG图片编解码程序,包括读头文件和DCT,IDCT变换等等。,JPEG image codec procedures, including the first reading of documents and DCT, IDCT transform and so on.
DCT.rar
- 实现对二维图象,进行DCT变换和IDCT变换,The realization of two-dimensional image, the DCT transform and IDCT transform
tuxiangbianhuan.rar
- 图像变换 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,Image transform to image sub-block (8* 8), for the DCT transform, and IDCT: DCT is a separable transform image to image compression coding, IDCT used to extract
project2.rar
- 数字图像处理的实验 DCT IDCT变换 灰度变换 锐化等等,Digital image processing experiments DCT IDCT transform gray-scale transformation sharpening, etc.
YUVdct
- YUV序列打开,DCT变换,IDCT变换、量化、反量化等操作-YUV sequence of open, DCT transform, IDCT transform, quantization, inverse quantization operation
fdctchange
- 图像变换算法,本代码实现普通DCT,快速DCT,快速IDCT算法-Image transform algorithm, the code to achieve common DCT, fast DCT, fast IDCT algorithm
DCT
- 实现图像的DCT变换和IDCT变换,用OPENGL显示出经变换后并还原了的图像-To achieve the image DCT transform and IDCT transform, using OPENGL shown by the transformation, and restore the image of
mainidct0
- DCT IDCT 量子化变换DCT IDCT 量子化变换-DCT IDCT quanta
jpegdecode
- jpeg 解码分析,对jpeg 的熵解码,帧结构,还有idct变换的原理和实现做了详细的解释,并做了代码的分析。-jpeg decode analysis, jpeg entropy decoding, frame structure, there idct transform the theory and implementation a detailed explanation, and do the code analysis.
dip4
- 对原始灰度图像进行图像压缩,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 -The original gray image compression, this map for 8 × 8 DCT transform, respectively, to retain only the DC coefficient, and to retain the former 4,8,16 months tr
FreqCalculate
- 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-Var
MATLAB-dct-and-idct
- 将图片进行8*8块的dct变换,以及8*8块的反变化恢复原图像-use 8*8 block dct to chang image, and use 8*8 block idct to renew image.