1) AC coefficients in DCT domain
DCT域AC系数
1.
A novel method for detecting image resampling is proposed based on the distribution of the most significant digits of the AC coefficients in DCT domain.
借助DCT域AC系数首位有效数字的概率分布分别对RGB3个色彩通道进行统计,以3条概率曲线的拟合程度为依据对重采样操作进行检测。
2) DCT coefficients
DCT系数
1.
Mixing compression algorithm of video and audio based on correlation of DCT coefficients;
基于DCT系数相关性的音视频混合压缩算法
2.
considering the sensitivity of image edge information, we classified the coding blocks based on the features of edge, made the quantization noise near an edge appear edgelike itself, then reserved the sensitive DCT coefficients optimaly, and improved the image quality at high coding efficiency.
考虑到视觉对于边缘信息的敏感性,我们根据边缘特性对编码块进行分类量化,使得边缘附近的量化噪声具有边缘相似性,从而最优地保留对于视觉敏感的DCT系数,在保证编码效率的同时较大地提高了重建图像质
3.
A fast and effective stego-images recognition method based on statistical distributions of DCT coefficients is proposed.
提出了一种基于DCT系数统计分布的含密图像(stego-images)和掩护图像(cover-images)的识别算法。
3) DCT coefficient
DCT系数
1.
In particular,the algorithm first utilizes the DCT coefficient in the HSV space to divide a given image into the target and the background,and divides the target into two different grades in importance.
该方法在HSV空间用DCT系数表征图像的内容差异,将图像内容划分为目标和背景两大类,并且将目标内容划分为两级重要度;根据使用者对目标和背景以及目标重要度的不同要求,对不同部分采用与之相适应的插值算法进行缩放处理。
2.
In this paper, an adaptive watermarking algorithm using relationships between DCT coefficients is proposed.
本文提出了一个利用DCT系数的关系来进行水印嵌入和提取的算法。
3.
For quantization is the main source of information loss in JEPG compression scheme,can hide information in the quantized DCT coefficient.
由于JPEG压缩方案中量化是损失信号的主要原因,所以可以在量化后的DCT系数中隐藏信息。
4) DCT coefficients code table
DCT系数码表
5) DCT coefficients scrambling
DCT系数置乱
6) DCT's intermediate frequency coefficient
DCT中频系数
补充资料：[3-(aminosulfonyl)-4-chloro-N-(2.3-dihydro-2-methyl-1H-indol-1-yl)benzamide]
分子式：C16H16ClN3O3S
分子量：365.5
CAS号：26807-65-8
性质：暂无
制备方法：暂无
用途：用于轻、中度原发性高血压。
分子量：365.5
CAS号：26807-65-8
性质：暂无
制备方法：暂无
用途：用于轻、中度原发性高血压。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条