1) 2D-DCT
二维离散余弦变换
1.
This paper describes a FPGA design for two dimensional Discrete Cosine Transform(2D-DCT)used in JPEG medical image compression.
二维离散余弦变换采用了行列分解的方法,并通过快速算法在很大程度上减少了硬件实现的复杂度,提高了模块的吞吐量,并且具有实时、高精度的优点。
2.
According to the feature of coarse grain reconfigurable processor,this paper introduces an approach that implements 2D-DCT on coarse grain reconfigurable processor.
针对粗粒度可重构处理器的特点,提出一种二维离散余弦变换的设计方法,该方法在硬件资源受限的条件下,有效地挖掘了算法的并行性,结果证明算法在速度和资源利用率方面均达到了较好的状态,可满足实时图像编解码的要求。
3.
Upon the analysis of the movement of facial expression,this paper describes a HMM approach for facial expression recognition,which uses 2D-DCT coefficients as the features and constructs a HMM model for recognizing the facial expression.
通过分析人脸表情的变化情况,利用二维离散余弦变换(2D-DCT)提取脸部表情特征,经过大样本训练构建HMM模型来识别图像中的人脸表情。
2) 2D DCT
二维离散余弦变换
1.
2D DCT plays an important role in image procession and video encoding.
二维离散余弦变换(DCT)在图像处理和视频编码中起重要的作用。
3) 2-D DCT
二维离散余弦变换
1.
In this paper, an ECG data compression method based on 2-D DCT transform has been proposed, which utilizes the fact that ECG signals have two types of redundancies-between adjacent samples and between adjacent heartbeats.
通过分析心电图 (ECG)在相邻采样点和相邻心跳周期存在的冗余信息 ,提出了一种基于二维离散余弦变换 (DCT)的 ECG信号压缩方法 ,并提出了采用数据重排和分段编码技术来进一步提高压缩比 。
2.
FPGA Implementation of 2-D DCT-based Distributed Arithmetic;
研究了一种采用现场可编程门阵列(FPGA)实现超高性能二维离散余弦变换(DCT)的方法。
4) D DCT
二维离散余弦变换
1.
A 2-D DCT circuit design based on systolic array algorithm is proposed in this paper.
本文介绍了一种基于脉动阵列算法的二维离散余弦变换 (2 -DDCT)电路设计。
5) idct2
二维离散余弦反变换
6) 3D-DCT
三维离散余弦变换
1.
It is a new idea of color image coding algorithm that considers R,G,B frames of a color image as a whole and makes use of three-dimensional discrete cosine transform(3D-DCT) to compress.
将彩色图像的R、G、B三帧作为整体考虑,并利用三维离散余弦变换(3D-DCT)进行压缩编码是彩色图像编码的新方法。
2.
This paper proposes a robust watermarking algorithm for volume data based on three-dimension discrete cosine transform(3D-DCT) and spread-spectrum communication technique.
本文基于三维离散余弦变换(3D-DCT)技术和扩频通信技术提出三维体数据鲁棒水印嵌入算法。
3.
A new color image coding approach based on three-dimensional intra-prediction and 3D-DCT (Discrete Cosine Transformis) is proposed.
该方法利用三维帧内预测技术结合三维离散余弦变换有效地去除彩色图像相邻像素间以及R、G、B三帧之间的相关性。
补充资料:Fourier余弦变换
Fourier余弦变换
Fourier cosine transform
I议耐台余弦变换[I饭川份仪d理加田北而;Koc皿yc一uPe-o6pa”。a.e巾yp‘e] 见I议州匕变换(Fou〔屺rtla瑙form).
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