1) lapped orthogonal transform
重叠正交变换
1.
The fast decomposition algorithms and computation architectures for various orthogonal transforms including lapped orthogonal transform based on the new “fast rotation arithmetic” are proposed, which can be used combinationally.
该文基于新的快速“旋转算术”，提出了各种正交变换包括重叠正交变换快速分解算法与运算结构。
2) lapped biorthogonal transform
双正交重叠变换
1.
The fixed-point lapped biorthogonal transform algorithm was adopted that can be implemented using only shift and add operations.
针对空间遥感成像数据传输之前需对CCD图像进行压缩处理的要求,设计了一种基于多片DSP+FPGA结构的高效高速星载图像压缩系统,采用了双正交重叠变换的定点实现算法对图像进行压缩,只需少量的移位和加法运算,降低了算法的实现难度,并对编码进行了优化处理,适于DSP并行处理。
3) modulated lapped biorthogonal transform (MLBT)
调制重叠双正交变换
1.
A new modulated lapped biorthogonal transform (MLBT) was introduced for narrowband interference suppression in spread spectrum communications.
引入一种新的调制重叠双正交变换(MLBT)用于扩频通信窄带干扰抑制。
2.
A new modulated lapped biorthogonal transform (MLBT) with optimized windows was introduced for non-orthogonal multi-tone interference cancellation in spread spectrum communications.
提出一种新的具有优化窗函数的调制重叠双正交变换(MLBT)用于非正交型多音干扰抑制,推导出基于MLBT干扰抑制算法的接收机误码率(BER)闭合表达式,并与基于调制重叠变换(MLT)的干扰抑制算法进行了比较。
4) HLBT
多分辨重叠双正交变换
1.
Unlike the LOT,Hierarchical Lapped Biorthogonal Transform(HLBT)can effectively isolate the energy to a small number of bins in the transform domain by non-uniform division of the signal spectrum.
与LOT相比,多分辨重叠双正交变换(HLBT)对信号频谱的非均匀划分,可以更加有效地将能量集中在有限的变换域子带(TransformBins)上。
5) lapped orthogonal transform
交叠正交变换
1.
A deblocking filter,projections onto convex sets,and lapped orthogonal transform behave as the candidate technologies for reducing the block effects in signal processing.
由于滤波法、凸集投影法、交叠正交变换等可作为信号处理中去除块效应的技术方案,为此在对视频编码的系统结构进行分析的基础上,实现了基于交叠正交变换时间域预滤波和后置滤波的去块效应视频混合编码方案,并讨论了实现这一方案的框架结构和交叠模式选择等关键技术问题,最后给出了实验结果,对比实验结果显示,该方案在提供相当的编码性能基础上,能有效地改善视频图像的块效应现象。
2.
A detail analysis for the lapped orthogonal transform is made, and its extended transform is applied in the video coding; meanwhile, other part is about the key technology of second generation video technology-video object segmentation and coding.
对去除块效应的交叠正交变换进行深入研究，将其扩展变换应用在视频编码上，另一部分是第二代编码技术的关键技术—视频对象分割与编码的研究。
6) adaptive hierarchical lapped orthogonal transform (AHLOT)
自适应多分辨重叠正交变换
补充资料：正交变换
设m是对称矩阵， p是可逆矩阵， n=p^tmp 称为 m的正交变换。
正交变换不改变m的特征值。
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