1) idct2
二维离散余弦反变换
2) 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。
3) 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。
4) 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。
5) 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。
6) IDCT
反离散余弦变换
1.
High-speed ASIC of 2-dimensional discrete cosine transform(DCT)and its inverse(IDCT)was designed for H.
264视频压缩协议的编解码算法,二维离散余弦变换(DCT),及二维反离散余弦变换(IDCT),设计了ASIC高速电路,并完成了电路的FPGA模拟验证。
2.
This paper presents a 2-D 8×8 IDCT processor core for video applications.
提出了一种面向视频处理应用的二维8×8IDCT(反离散余弦变换)处理器结构。
3.
Also, it provides the implementation and optimization of IDCT algorithm.
接着系数数据依次进行反向扫描(IS),反量化(IQ)和反离散余弦变换(IDCT),而运动向量送往MC部分进行运动补偿变换。
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