搜索资源列表
lsb-and-dct-markedarecover-code
- 两种方法的水印嵌入和提取,lsb和dct,代码易懂,有部分注释-lsb and dct marked&recover code
DCT
- 基于DCT分类的边缘匹配矢量量化图像编码算法-Based on DCT classification side-match vector quantization image coding algorithm
dct-arnold
- 基于DCT的数字水印算法 通过Arnold变换对水印进行置乱,增加了水印的鲁棒性,成功的实现了水印的嵌入和提取。-Arnold transform digital watermarking algorithm based on DCT watermark scrambling to increase the robustness of the watermark, the watermark embedding and extracti
JPEG-DCT
- 将lena.bmp图像进行JPEG压缩,使用dct变换和量化编码。-Will lena.bmp images to JPEG compression using dct transform and quantization coding.
DCT
- dct for verilog useful
defination-of-DCT-DFT-and-DWT
- this file contains difference between DCT,DWT and DFT
DCT
- DCT and IDCT code in matlab.
Image-compression-based-on-DCT-
- 基于DCT变换的图像压缩matlab实现,检测可用,值得参考。-Image compression based on DCT matlab implementation, testing available, worthy of reference.
DCT
- DCT 图像压缩 算法 源代码 不用matlab本身自带的源代码-DCT image compression
Quantization-for-DCT
- 量化离散余弦变换系数的程序实现及其效果的检测。过程中使用了8x8的分块方法。首先计算每块的离散余弦变换(DCT);然后量化了DCT的系数; 最后进行了反离散余弦变换(iDCT). 程序中还可以设定缩放系数。-Quantify the discrete cosine transform coefficients procedure and its effect detection. The process used in the 8x8
DCT
- 二维dct算法的 fpga实现及验证,采用VHDL语言编写。-2D-dctThe FPGA realizing algorithm
MATLAB-DCT
- 基于MATLAB的DCT变换在JPEG图像压缩中的应用
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
dct-dwt
- combined DWT-DCT based digital image water marking
DCT
- 基于改进DCT域分类矢量量化的图像编码算法 基于改进DCT域分类矢量量化的图像编码算法-Based on the improved DCT domain classified vector quantization image coding algorithm
dct
- 基于dct水印算法的MATLAB实现,数字水印算法研究-dct watermarking
implementation-of-image-compression-using-dct-abs
- image compression using dct
DCT
- DCT,C语言代码,移植性强,dct广泛应用与数字多媒体领域的信息嵌入,以及编码问题上-DCT, the C language code, portability, the DCT wide range of applications and digital multimedia information in the field of embedded and coding issues
an-analasys-of-LSB-a-DCT-based-steganegraphy
- an analasys of LSB & DCT based steganegraphy
DCT
- 用JAVA实现的离散余弦变换,离散余弦变换是各种压缩算法用到的-JAVA Implementation of Discrete Cosine Transform, Discrete Cosine Transform is used in a variety of compression algorithms