entropy coding meaning in English
熵编码,平均信息量编码
Examples
- Fortunately , lapped transform ( lt ) , a classical transform arithmetic , possesses the dct ’ s feature of simple realization and low storing cost , while maintaining dwt ’ s advantage . by analyzing its time lapped transform ( tlt ) and frequency lapped transform ( flt ) , this article brings forward a arithmetic which carries the temporal laps and frequent laps at the same time and discusses this time - frequency lapped method ( tflt ) combining with context - based entropy coding
叠式变换( lt )兼有余弦变换( dct )实现简单、存储开销小和dwt的优点,文中通过分析已有的时域重叠( tlt )和频域重叠( flt )叠式变换,提出一种同时进行时域和频域重叠的叠式变换算法( tflt ) ,并结合上下文熵编码,讨论时频域重叠式变换算法。 - The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals . based on g . 726 , we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm , in order to further reduce the bit rate . ng is lossless entropy coding , the speech quality of our improved algorithm should be same as that of g . 726 standard
我们的研究和改进工作包括:研究最优非均匀自适应量化器,及其自适应算法;研究波形预测函数,以及函数零点、极点的自适应算法;基于每n ( n 1 )个样本所对应符号的概率统计,对预测残差量化值再进行huffman编码,进一步降低比特率。 - The standard is designed to give a new technical solution for a broad range of applications , such as very low bit rate conversational services and entertainment quality broadcast , interactive video - on - demand services etc . for the enhancement of the coding efficiencies , the new standard adopts new tools as following : multiple reference pictures , variable block - size with seven block sizes in motion prediction , quarter - pixel accuracy for motion vector , short word - length integer transform , context - adaptive entropy coding and loop filter deblocking
H . 264 / avc标准支持从低带宽、高误码率的无线移动视频通信到高带宽、低误码率的有线视频广播等多种应用,因此,日益受到业界的关注。为了实现更高的编码效率, h . 264 / avc标准采用了很多新的编码技术,如多参考帧预测、多尺寸编码块模式、 1 / 4像素精度运动矢量、整数变换量化、基于内容的熵编码、新型帧内预测、去除方块效应的滤波器等。