搜索资源列表
DCT2-lele
- 利用蝶形算法类似于FFT,利用先行再列实现二维DCT。速度很快。包含反DCT的代码。-similar to the use of butterfly FFT algorithm, the first re-use of 2D DCT out. Very fast. Contain anti - DCT code.
DCT-vhdl
- 这是一个二维 8*8块的离散余弦变换(DCT)以及反变换(IDCT)算法,采用VHDL实现
DCT
- 关于快速DCT的变换和快速DCT的反变换
smart decoder
- 视频解码:包括反DCT变换,反量化,VLD,MC等。与国际上的MPEG4 可以一较高下。-video decoder : including anti - DCT, anti-quantified, Variable Length, such as MC. With international MPEG4 can be a higher under.
8*8矩阵dct变换以及量化 反量化和反dct变换
- 8*8矩阵dct变换以及量化 反量化和反dct变换,8* 8 transform and quantization matrix dct quantization and anti-anti-dct transform
DCT
- 实现对一幅灰度和彩色图像作的离散余弦变换,选择适当的DCT系数阈值对其进行DCT反变换.-The realization of a piece of gray and color images for the discrete cosine transform, select the appropriate thresholds for DCT coefficients of its inverse transform DCT.
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
- 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
- Visual C++实现视频编码中的DCT和反DCT变换-Visual C++ implementation of the DCT video coding and anti-DCT transform
DCT
- 数字水印系统的实现——基于DCT的鲁棒水印。图像中数字水印的嵌入,分块DCT反变换-Image digital DCT
dct
- 本程序介绍的是离散余弦变换以及反离散余弦变换-benchengxujieshaodeshilisanyuxuabianhuanyijifalisanyuxuanbianhuan
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
- 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
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.
dct
- 在编码端,影像首先被分割成8 8块。 DCT的操作,然后 适用于每个图像块。据国际视频标准(JPEG,H.261...), 变换系数四舍五入到最接近的整数,并剪辑成12位( 2048至 2047)。这些系数,然后根据锯齿扫描顺序安排到1-D数据阵列。 然后,选择一些系数和量化。在解码器端,量化系数 反DCT(IDCT)重建。 IDCT的输出调整和裁剪,以0 255。 (我们只有Y信号处理。),DCT,量化和锯齿扫描规格 为了下页。 下面
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
- DCT图像压缩和反DCT,里面有程序说明和运行结果- DCT image compression and anti-DCT, which has a descr iption of the procedures and the results
DCT-transform-of-the-image
- 对cameraman.tif图像进行DCT变换,分别选取最大的1/4、1/8、1/16个变换系数(其余置为0),进行反DCT得到重构图像,显示原图像和各重构图像并分别计算重构图像的峰值信噪比。-Cameraman.tif DCT transform of the image, were selected maximum 1/4,1/8,1/16 transform coefficients (the remainder is set to 0), inverse DCT to obtain th
DCT-etc-DEY
- 视频解码:包括反DCT变换,反量化,VLD,MC等,-Video decoding: including the DCT transform and inverse quantization, VLD, MC etc.,
DCT
- 对每类中的每幅图片进行DCT变换(8*8)分块并对保留的DCT系数进行反DCT变换,得到重建的图象,显示原图像和重建图像进行对比,并计算出与原图对比的PSNR值。(Each picture in each class is divided into DCT transform (8*8) and the reserved DCT coefficient is inverse DCT transform. The reconstructed image is obtained. The origi